A step-up converter circuit (1) comprises a reactor (L1), a first half-bridge circuit (11), a second half-bridge circuit (12), a first step-up capacitor (C1), a second step-up capacitor (C2), a smoothing capacitor (C0) for smoothing the outputs that are inputted in parallel from the first and second half-bridge circuits, and a switching control circuit (15) for carrying out phase control of a switching operation between the first half-bridge circuit and the second half-bridge circuit. The voltage of the first step-up capacitor is superimposed on the voltage of a voltage source and outputted from the first half-bridge circuit, and the voltage of the second step-up capacitor is superimposed on the voltage of the voltage source and outputted from the second half-bridge circuit.
H02M 3/07 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des résistances ou des capacités, p. ex. diviseur de tension utilisant des capacités chargées et déchargées alternativement par des dispositifs à semi-conducteurs avec électrode de commande
2.
BOOST CONVERTER CIRCUIT AND ELECTRIC CONVEYOR PROVIDED THEREWITH
A boost converter circuit (1) is provided with a reactor (L1), a first half-bridge circuit (10), a second half-bridge circuit (20), a first boost capacitor (C1), a second boost capacitor (C2), a smoothing capacitor (C0) for smoothing the output from an output line linking to a connection line connecting the first boost capacitor and the second boost capacitor, and a switching control circuit (15) for executing control with separate excitation so that the first half-bridge circuit and the second half-bridge circuit perform a switching operation in antiphase. A current pathway for superimposing the voltage of the second boost capacitor onto the voltage of a voltage source and charging the first boost capacitor, and a second current pathway for superimposing the voltage of the first boost capacitor onto the voltage of the voltage source and outputting same are implemented.
H02M 3/07 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des résistances ou des capacités, p. ex. diviseur de tension utilisant des capacités chargées et déchargées alternativement par des dispositifs à semi-conducteurs avec électrode de commande
A cover (40) includes a top surface portion (42) and a leg portion (44). The top surface portion (42) covers over a core (10) and a coil (20) from above. The leg portion (44) extends downward from the top surface portion (42) along the side of the core (10). The leg portion (44) has a claw portion (46). The claw portion (46) protrudes from a part of the leg portion (44) toward the core (10). The cover (40) is attached to the core (10) by engagement of the claw portion (46) with an engagement portion (12) of the core (10). The core (10) is provided with a recess (14) in an outer edge of the upper surface of the core (10). The recess (14) is formed as a downward depression in the upper surface of the core (10). An insertion portion (48), which is a part of the cover (40), is accommodated in the recess (14).
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Sako Akifumi
Detmod Thitaporn
Terao Kenji
Saito Masaki
Daibo Masahiro
Abrégé
This implantable device system comprises: an extracorporeal apparatus (2) including an electromagnetic and vector potential generation sensing apparatus (21); and an implantable device (1) including an electromagnetic and vector potential generation sensing apparatus (14) for sensing a vector potential generated by the electromagnetic and vector potential generation sensing apparatus (21). The extracorporeal apparatus (2) includes: a communication circuit (23) that generates a modulation signal indicating transmission data; and a drive circuit (22) that, while modulating the vector potential on the basis of the modulation signal, drives the electromagnetic and vector potential generation sensing apparatus (21) so that the electromagnetic and vector potential generation sensing apparatus (21) generates a modulated vector potential. The implantable device (1) includes a communication circuit (13) that demodulates the modulated vector potential, extracts the modulation signal, generates the transmission data, and outputs the transmission data to a specific functional unit (11).
H02J 50/20 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant des micro-ondes ou des ondes radio fréquence
H02J 50/80 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre l’échange de données, concernant l’alimentation ou la distribution d’énergie électrique, entre les dispositifs de transmission et les dispositifs de réception
The purpose of the present invention is to improve workability and identification of each lead wire when a terminal portion of an electric wire used for a winding coil of a coil component is pulled out to the outside. The present invention comprises a coil component (transformer) body 100 comprising: magnetic cores 1, 2, a bobbin 4 mounted on the magnetic cores 1, 2, and coil windings 6A, 6B formed by winding an electric wire around a winding shaft part (21) of the bobbin 4. The bobbin 4 has suppressing parts 11A, 11B, 12A, 12B having a fulcrum for bending terminal portions 81A, 81B, 91A, 91B in a routing path of the terminal portions 81A, 81B, 91A, 91B of the coil windings 6A, 6B. The terminal portions 81A, 81B, 91A, 91B are held so as to be pressed against pressed portions 13A, 13B, 14A, 14B facing the suppressing parts 11A, 11B, 12A, 12B by a reaction force in a direction opposite to the bent direction caused by the terminal portions 81A, 81B, 91A, 91B being bent with the suppressing parts 11A, 11B, 12A, 12B as fulcrums.
A coil portion (10) is fixed to a case (40) by a first resin (50) and a second resin (60). The first resin (50) and the second resin (60) are both disposed in an accommodation space (44). The second resin (60) is softer than the first resin (50). The first resin (50) seals the opening of an accommodation recess (42). The second resin (60) is disposed closer to the bottom side of the accommodation recess (42) than the first resin (50) in the accommodation space (44). At least part of the coil portion (10) is exposed from the first resin (50). Said part is covered by the second resin (60).
[Problem] To provide a method for inhibiting the decrease or promoting the increase of at least one among bone density (bone mass) and bone strength. [Solution] A method for inhibiting the decrease or promoting the increase of at least one among bone density and bone strength in the tissue of a living body, the method including a step for applying electrical stimulation to the tissue using a vector potential generating device 1, wherein controlling the electrical stimulation by adjusting the alternating current frequency applied to the vector potential generating device 1 inhibits the decrease or promotes the increase of at least one among bone density and bone strength.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p. ex. stimulateurs cardiaques
8.
COIL COMPONENT AND METHOD FOR ASSEMBLING COIL COMPONENT
The present invention facilitates adjustment to a desired leakage inductance value and prevents narrowing of a coil winding area. The present invention comprises: first and second magnetic cores (not illustrated) combined such that three legs of each of the cores have leading-end parts that oppose each other and the middle leg is inserted into a hollow part 42C of a bobbin 4; and a ring-shaped third magnetic core 3 divided circumferentially and mounted on the outer circumferential surface of a winding shaft part 21 of the bobbin 4 so that a desired leakage inductance value is generated according to the positional relation to the two magnetic cores, wherein the mounting of the third magnetic core 3 on the winding shaft part 21 is achieved by the mutual engagement of a plurality of first engaging parts 64 arranged circumferentially on the outer circumferential surface of the winding shaft part 21 and a second engaging part 65 arranged circumferentially on the inner circumferential surface of the third magnetic core 3 (only one magnetic core portion 3A is illustrated) so as to correspond with the first engaging parts 64.
A coil component (1) has a first core (10), a second core (20), and a base section (30) in which an accommodating recess (32) is formed. The second core (20) includes a flat plate section (22) and legs (24). The legs (24) extend from one end of the flat plate section (22) toward the bottom surface of the accommodating recess (32) in the axial direction of the coil (50). The accommodating recess (32) includes a first space (34) and a second space (36). A winding core section (12) of the first core (10) is accommodated in the first space (34). The second space (36) is a space different from the first space (34). The legs (24) are accommodated in the second space (36). The base section (30) has leg-restricting sections (38). The leg-restricting sections (38) are disposed on the inner side of the legs (24) in the axial direction.
A base (30) is provided with a pedestal part (36) and a standing part (38). Terminal members (40) are disposed at the pedestal part (36). A coil (20) or a core (10) is placed on the pedestal part (36). The standing part (38) is disposed standing to intersect a surface of the pedestal part (36) in the standing direction. In the base (30), the pedestal part (36) and the standing part (38) are integrally formed. One end surface of each of a plurality of coils (20) faces an opposite surface (38a) which is a side surface of the standing part (38).
H01F 27/30 - Fixation ou serrage de bobines, d'enroulements ou de parties de ceux-ci entre euxFixation ou montage des bobines ou enroulements sur le noyau, dans l'enveloppe ou sur un autre support
A sensor device (1) comprises: a magnetic material core part (2) capable of forming a closed magnetic circuit including two outer leg parts; two coil parts (L1 and L2) that are respectively formed by winding wires around the two outer leg parts and each generate a signal magnetic flux according to an alternating-current signal applied; a magnetic flux generation unit that generates a bias magnetic flux so that the bias magnetic flux circulates through the closed magnetic circuit; an alternating-current signal circuit (3) for applying an alternating-current signal to each of the two coil parts so that a signal magnetic flux in the same direction as the bias magnetic flux is generated in each of the outer leg parts; and signal output terminals (V1 and V2) for outputting detection signals that allow for detection of voltage balance between the two coil parts (L1 and L2) that changes according to an external magnetic field acting on the magnetic material core part (2).
G01R 33/02 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
12.
PACKAGING MATERIAL, PACKAGED ELECTRONIC COMPONENT, AND PACKAGING METHOD
A support part (20) includes an upper surface part (22), a lower surface part (26), and an intermediate part (24). The upper surface part (22) is a flat plate part extending in the horizontal direction. In addition, a load of a second packaging material (1x) is applied to the upper surface part (22). The lower surface part (26) is disposed below the upper surface part (22). In addition, the lower surface part (26) is a flat plate part extending in the horizontal direction. The intermediate part (24) is a portion sandwiched between an end section of the upper surface part (22) and an end section of the lower surface part (26). The upper surface part (22), the lower surface part (26), and the intermediate part (24) are integrally formed of a member having a predetermined thickness. The upper surface part (22) and the lower surface part (26) face each other in the loading direction and overlap each other.
B65D 85/86 - Réceptacles, éléments d'emballage ou paquets spécialement adaptés à des objets ou à des matériaux particuliers pour des éléments électriques
B65D 21/02 - Réceptacles de forme spéciale ou pourvus de garnitures ou de pièces de fixation, pour faciliter l'emboîtement, le gerbage ou l'assemblage
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Terao Kenji
Saito Masaki
Sako Akifumi
Arakaki Yosuke
Daibo Masahiro
Abrégé
In the present invention, a vector potential coil device (VP coil (11)) generates a vector potential. A power supply device drives the vector potential coil device. A bed (41) allows the vector potential coil device (1) to be positioned so that the vector potential is applied to a site (101a) to which a drug is delivered in a living body (101). The power supply device causes the vector potential coil device to generate a vector potential so that the drug is delivered to the site (101a) through electrophoresis using an electric field formed by the vector potential.
A61N 1/30 - Appareils d'ionothérapie ou d'électrophorèse
A61N 2/02 - Magnétothérapie utilisant des champs magnétiques produits par des bobines, y compris par des boucles à spire unique ou par des électro-aimants
A long antenna unit (10) which is connected to an external circuit board (110). The antenna unit (10) has an antenna part (20) and a flexible part (30). In the antenna part (20), a coil wire (22) is wound around a core (24). The flexible part (30) can bend in a bending direction. The bending direction is a direction intersecting the longitudinal direction of the antenna unit (10). When a force is applied to the antenna unit (10) so as to bend the antenna unit (10) as a whole in one direction of the bending direction, the flexible part (30) can bend larger than the core (24) in the one direction.
H01Q 1/22 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets
B60R 11/02 - Autres aménagements pour tenir ou monter des objets pour postes radio, de télévision, téléphones, ou objets similairesDisposition de leur commande
E05B 85/16 - Poignées pivotant autour d'un axe parallèle au battant le manche de poignée longitudinal pivotant à une extrémité autour d’un axe perpendiculaire à l’axe longitudinal de la poignée
15.
MAGNETIC COUPLING REACTOR AND ASSEMBLY METHOD THEREFOR
A magnetic coupling reactor 100 includes: an outer peripheral core 130 including E-type cores 110 or the like equipped with a first magnetic outer peripheral wall 140 or the like, a second magnetic outer peripheral wall 150a or the like curved from both ends thereof, a third magnetic outer peripheral wall 150b or the like, and a magnetic middle leg section 150c or the like erected on an inner surface of the first magnetic outer peripheral wall 140 or the like, in which the outer peripheral core 130 is formed in a hexagonal shape by causing the end sections of the second magnetic outer peripheral walls 150a or the like and the end sections of the third magnetic outer peripheral walls 150b or the like to abut each other in adjacent E-type cores 110 or the like among three E-type cores 110 or the like and thereby arranging said E-type cores 110 or the like in the peripheral direction; a Y-type core 160 in which a gap is left between the three magnetic middle leg sections 150c or the like and constricted parts 161 are arranged facing each other in a space formed by central parts 135 with each of the magnetic middle leg sections 150c or the like extending toward the central parts 135; and a coil 170 or the like wound around each of the magnetic middle leg sections 150c or the like.
Each of a pair of first terminals (30) has a mounting part and a standing part (34). The mounting part extends along a lower surface (105) of an inductor assembly (100). The standing part (34) stands relative to the mounting part. Each of a pair of second terminals (40) has a mounting part and a standing part (44). The mounting part extends along the lower surface (105) of the inductor assembly (100), and the standing part (44) stands relative to the mounting part. The standing part (34) of one first terminal (30a) and the standing part (44) of one second terminal (40a) are formed on a first side surface (101) of the inductor assembly (100). The pair of first terminals (30) and the pair of second terminals (40) are not formed on a second side surface (102) different from the first side surface (101) of the inductor.
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Saito Masaki
Kaneko Tomoyuki
Detmod Thitaporn
Daibo Masahiro
Abrégé
[Problem] To provide a biological vector potential generation device capable of suppressing resistance and inductance of a solenoid coil while also conducting a large current. [Solution] A biological vector potential generation device 1 comprises a vector potential coil 10 obtained by winding solenoid coils 20a-20d, which are formed by winding conductors 22a-22d connected in series around core wires 21a-21d, along substrates 30a-30d having insulating properties. Further, an oscillator 36 and amplifiers 31-34 are provided, the amplifiers being connected to the oscillator 36 and being connected respectively to a plurality of vector potential coils 10a-10d. The vector potential coils 10a-10d are layered so that the central axes of the substrates 30a-30d coincide with each other. A vector potential is generated in an internal space by making a current flow through the vector potential coils 10a-10d connected to the amplifiers 31-34.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p. ex. stimulateurs cardiaques
A61N 1/06 - Électrodes pour traitement à haute fréquence
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
ITO CO., LTD. (Japon)
Inventeur(s)
Terao Kenji
Saito Masaki
Daibo Masahiro
Takanaka Keita
Nakamura Tatsuya
Abrégé
A vector potential coil device (1) generates a vector potential and applies electrical stimulation to an affected area by the generated vector potential. A heating means (actuator (3)) heats the affected area. A vector potential coil drive device (2) drives the vector potential coil device (1). A high-frequency power supply (4) drives the actuator (3). A controller (5) controls the vector potential coil drive device (2) and the high-frequency power supply (4) to cause the vector potential coil device (1) to generate a vector potential under a predetermined condition based on combined therapy of the hyperthermic therapy and the electrical stimulation, and to cause the heating means to heat the affected area.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p. ex. stimulateurs cardiaques
A61F 7/00 - Appareils de chauffage ou de refroidissement pour traitement médical ou thérapeutique du corps humain
This control circuit (30) for an LLC resonant converter circuit is equipped with: a drive control circuit (50) that outputs, to a drive circuit, a drive signal indicating a switching frequency corresponding to the voltage level of a frequency control terminal and a duty ratio corresponding to the voltage level of a duty control terminal; a detection circuit (40) that detects an output voltage from the LLC resonant converter circuit; a voltage divider circuit (60) that divides an input voltage and applies same to the duty control terminal as a duty control voltage; and a regulation circuit (70) that is connected to the voltage divider circuit and the detection circuit and can adjust the duty control voltage and a frequency control voltage, and which, in response to a switch from an input of a first instruction signal to a second instruction signal, changes the duty control voltage so that the duty ratio indicated by the drive signal increases and changes the frequency control voltage so that the switching frequency indicated by the drive signal decreases.
H02M 3/28 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire
An LLC resonant converter circuit (1) comprises: a resonant capacitor (Cr); a resonant coil (Np) that is a primary winding of a transformer (3) and, in conjunction with the resonant capacitor, forms a serial resonance circuit (11); an inverter circuit (12); and a frequency control circuit (15) that outputs a drive signal, the frequency of which is made to vary in accordance with the voltage of a feedback signal, to the inverter circuit. The LLC resonant converter circuit further comprises: a circuit (30) that detects an output power from a secondary-side circuit (20) and generates the feedback signal; a circuit (40) that detects a potential difference between a resonance signal of the serial resonance circuit and the drive signal; and a circuit (50) that controls the voltage of the feedback signal so that decreases in frequency in the drive signal due to the frequency control circuit (15) are suppressed in accordance with the potential difference.
H02M 3/28 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire
21.
NUCLEAR MAGNETIC RESONANCE SENSING DEVICE AND NUCLEAR MAGNETIC RESONANCE SENSING METHOD
A nuclear magnetic resonance sensing unit 1 applies, to a target object, a high-frequency magnetic field based on an RF signal and generates an observation signal having a frequency shifted from a frequency of the RF signal by a frequency of an NMR signal. A mixer unit 6 generates an IF demodulated signal that includes the NMR signal. A low-pass filter 7 transmits a low-frequency band component of the IF demodulated signal. In a digitizing device 21, a physical field generation device generates a magnetic field and the like corresponding to the IF demodulated signal that has been transmitted through the low-pass filter 7, an optical quantum sensor unit causes a sensing member to generate light corresponding to said magnetic field and the like and causes a photoelectric element to convert said light to a sensor signal, and an analogue-digital converter digitizes said sensor signal. This optical quantum sensor unit applies a quantum operation to the above-mentioned sensing member and causes the sensing member to generate the light corresponding to the above-mentioned magnetic field and the like.
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
22.
COIL COMPONENT, AND METHOD FOR MANUFACTURING COIL COMPONENT
A coil component (100) comprises a magnetic core (10), a coil (90), a body member (20) having a base part (30), and a terminal member (80). A fitting recess (50) is formed in the base part (30). The terminal member (80) is a coil component that is fitted into the fitting recess (50) by a fitting structure. The fitting recess (50) includes a pair of first planar parts facing each other. At least a portion of the terminal member (80) is disposed between the pair of first planar parts. The fitting structure is one or a plurality of projections (55) formed on the fitting recess (50). The projections (55) are crushed between the terminal member (80) and one of the first planar parts. The terminal member (80) is fitted into the fitting recess (50) in a state of being pressed toward at least the other first planar part among the pair of first planar parts by the projections (55).
A coil device (100) is provided with a coil (110) and a chip capacitor (120). The coil (110) is formed by winding a coil wire (111). The chip capacitor (120) has an electrode surface (121a). The electrode surface (121a) is electrically connected to the coil (110). A connection part (111b) is a partial length region of the coil wire (111) drawn out from the coil (110). The connection part (111b) is directly connected to the electrode surface (121a).
H01F 27/00 - Détails de transformateurs ou d'inductances, en général
H01F 27/40 - Association structurelle de composants électriques incorporés, p. ex. fusibles
H01G 4/40 - Combinaisons structurales de condensateurs fixes avec d'autres éléments électriques non couverts par la présente sous-classe, la structure étant principalement constituée par un condensateur, p. ex. combinaisons RC
[Problem] To control the number of adipocytes in a tissue of a living body. [Solution] Provided is a method including a step for applying electrical stimulation to a tissue of a living body by using a vector potential generator. According to this method for controlling the number of adipocytes, the number of adipocytes can be increased or decreased by the electrical stimulation in which the frequency of alternating current applied to the vector potential generator is controlled.
The electronic component (100) comprises: a body portion that includes an electronic element; a bus bar (120) that is electrically connected to the electronic element; and a cover portion (130) that covers a part of an outer surface of the bus bar (120). The method for manufacturing the electronic component (100) comprises a molding step. In the molding step, a pressing member that has a pressing surface having ridges and valleys is used. In the molding step, the pressing member covers another portion of the outer surface so that the pressing surface comes into pressure contact with the other portion, and a cover member is disposed around the pressing member so that the cover portion is molded and the ridges and valleys are transferred to the other portion by bringing the pressing surface into pressure contact with the other portion, whereby a ridge-and-valley structure (123) is formed.
H01R 4/58 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c.-à-d. se touchant l'un l'autreMoyens pour réaliser ou maintenir de tels contactsConnexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation caractérisées par la forme ou le matériau des organes de contact
H01R 43/16 - Appareils ou procédés spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation de connecteurs de lignes ou de collecteurs de courant ou pour relier les conducteurs électriques pour la fabrication des pièces de contact, p. ex. par découpage et pliage
26.
ELECTRONIC COMPONENT, ELECTRIC DEVICE, BUS BAR, METHOD FOR MANUFACTURING ELECTRONIC COMPONENT, AND METHOD FOR MANUFACTURING ELECTRIC DEVICE
An electronic component (100) includes a main body (110) and a bus bar (120). The main body (110) includes an electronic element (111). The bus bar (120) is electrically connected to the electronic element (111). The bus bar (120) has a hole (121). The hole (121) opens at a contact surface (122). In the contact surface (122), an uneven region (122a) is formed. The uneven region (122a) has an uneven structure (123) around the hole (121).
H01R 4/58 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c.-à-d. se touchant l'un l'autreMoyens pour réaliser ou maintenir de tels contactsConnexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation caractérisées par la forme ou le matériau des organes de contact
A coil component (100) comprises: a magnetic core (10) which is formed in an annular shape and which has a structure divided into a plurality of divided cores (11) in the circumferential direction; a coil (90) which is wound around the magnetic core (10); a body member (20) which holds the magnetic core (10); and a plurality of metal terminal members (80) to which the coil (90) is electrically connected. The body member (20) has, in an integral manner: a base part (30) to which the plurality of terminal members (80) are provided and on which the magnetic core (10) is disposed; a cover part (60) that covers the magnetic core (10); and a connection part (70) that connects the base part (30) and the cover part (60) to each other.
[Problem] With regard to a power output circuit that uses resonance to generate sinusoidal power, to provide a circuit technology for varying the set frequency of output power. [Solution] A power output circuit (1) comprises: a primary-side circuit (10) including a series resonant circuit; a transformer (3); and a secondary-side circuit (20) that outputs sinusoidal power obtained from the primary-side circuit via the transformer. The power output circuit is capable of changing the set frequency of the outputted sinusoidal power. The primary-side circuit (10) includes: a resonant capacitor (11); a variable inductance circuit (12) capable of changing the inductance of a resonance coil (13); an inverter circuit (15) including a plurality of switching elements; a power control circuit (16) for controlling power supplied to the inverter circuit; and a frequency control circuit (17) for outputting, to the inverter circuit, a drive signal which is controlled to correspond to a change in resonance frequency of the series resonant circuit, the change accompanying a change in the inductance of the resonance coil.
H02M 3/28 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire
A current sensor circuit (1) comprises: a detection coil (N1) configured such that the inductance thereof changes by a direct current; a resonant capacitor (C1); a phase adjustment circuit (10) that receives a feedback signal from the resonant capacitor and outputs a drive signal; a switching circuit (20) that includes a plurality of switching elements (Q1, Q2) for forming a half-bridge circuit or a full-bridge circuit, and that causes the plurality of switching elements to perform a switching operation in accordance with the pulse period of the drive signal, thereby supplying an alternating-current signal to the detection coil and the resonant capacitor; a signal conversion circuit (40) that converts the drive signal output from the phase adjustment circuit into a detection signal indicating a change in the direct current; and a detection terminal (DCSIG) that outputs the detection signal to the outside.
G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
This electronic component (100) comprises a base portion (10) that has a housing portion (16) that houses an electronic element, and a terminal (30). The terminal (30) is partially embedded in the base portion (10), one end portion of the terminal (30) protruding from the base portion (10) toward the outside of the base portion (10). The base portion (10) has a cover portion (11). The cover portion (11) extends from an outer surface of the base portion (10), and covers at least a portion of the surrounding of a proximal end of said end portion of the terminal (30).
This coil part comprises a base part (10), a terminal (20) that protrudes from the lower surface of the base part (10), and a coil that is electrically connected to the terminal (20). The lower surface of the base part (10) includes a lowermost part positioned the furthest downward, and a protruding surface (13a) positioned above the lowermost part. The terminal (20) has a buried part (21b), a protruding part (21a), a bending part, and a mounting part (25). The buried part (21b) is buried in the base part (10). The protruding part (21a) is continuous with the buried part (21b), protrudes downward from the protruding surface (13a), and is linear. The bending part is continuously bent from the protruding part (21a) toward the base part (10). The mounting part (25) is continuous from the bending part including a mounting surface (25a) that faces downward.
A field being measured is applied to a measurement magnetic resonance member (1) but is not applied to a reference magnetic resonance member (1R). High-frequency magnetic field generators (2, 2R) perform an electron spin quantum operation for the measurement magnetic resonance member (1) and the reference magnetic resonance member (1R) using measurement microwave and reference microwave, respectively. A power divider (11a) distributes high-frequency current from a high-frequency power supply (11) to the high-frequency magnetic field generators (2, 2R). A light distributor (21) distributes excitation light from a light emitting device (12) to the measurement magnetic resonance member (1) and the reference magnetic resonance member (1R). Light receiving devices (13, 13R) receive fluorescent light from the measurement magnetic resonance member (1) and the reference magnetic resonance member (1R), respectively, and generate fluorescent light sensor signals, respectively. An arithmetic processing unit (30) derives a measurement value on the basis of the fluorescent light sensor signals.
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
G01R 33/032 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques en utilisant des dispositifs magnéto-optiques, p. ex. par effet Faraday
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Saito Masaki
Daibo Masahiro
Abrégé
A vector potential coil device (1) includes: a layered conductive member (11) that is spiral roll-shaped; a first end surface (11a) on the inner circumferential side of the roll of the layered conductive member (11); and a second end surface (11b) on the outer circumferential side of the roll of the layered conductive member, wherein a power supply device (2) conducts a current to the layered conductive member (11) via the first end surface (11a) and second end surface (11b) to generate a vector potential in the layered conductive member (11).
A61N 2/04 - Magnétothérapie utilisant des champs magnétiques produits par des bobines, y compris par des boucles à spire unique ou par des électro-aimants utilisant des champs variables, p. ex. des champs basse fréquence ou des champs pulsés
34.
DEVICE FOR PROMOTING MUSCLE FIBER FORMATION AND METHOD FOR PROMOTING MUSCLE FIBER FORMATION
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Detmod Thitaporn
Daibo Masahiro
Abrégé
A bioreactor (10) has a housing space 101 in which muscle fiber is formed with specific cells using a culture medium. A VP coil (11) is provided to the housing space (101) of the bioreactor (10) and/or the outside of the of the bioreactor. A power supply device (2) allows a current to pass through the VP coil (11), generates a vector potential corresponding to the current in the housing space (101), and applies an electric field, which is generated on the basis of the vector potential, to the specific cells and/or the culture medium to thereby electrically stimulate the specific cells.
C12N 5/077 - Cellules mésenchymateuses, p. ex. cellules osseuses, cellules de cartilage, cellules stromales médulaires, cellules adipeuses ou cellules musculaires
C12M 1/00 - Appareillage pour l'enzymologie ou la microbiologie
C12M 1/42 - Appareils pour le traitement de micro-organismes ou d'enzymes au moyen d'énergie électrique ou ondulatoire, p. ex. magnétisme, ondes sonores
35.
ELECTRONIC COMPONENT HOLDING TOOL SET FOR VEHICLE AND ELECTRONIC COMPONENT HOLDING TOOL FOR VEHICLE
This electronic component holding tool set for a vehicle includes a shaft member (210) having a circular cross-section, and an electronic component holding tool for a vehicle. The electronic component holding tool for a vehicle has a base part (10) provided with an attachment hole into which the shaft member (210) is inserted. The base part (10) has a protruding section (14a1) that protrudes toward the inside of the attachment hole from a circumferential wall (14) that defines the attachment hole. The distance between the protruding section (14a1) and the center of the attachment hole is less than the radius of the shaft member (210) when viewed from the depth direction of the attachment hole (12). When the shaft member (210) is inserted into the attachment hole, the protruding section (14a1) is in pressure contact with the side surface of the shaft member (210).
B60R 16/02 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques
36.
ELECTRICAL STIMULATION VECTOR-POTENTIAL COIL DEVICE USED IN OPHTHALMOLOGICAL TREATMENT
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Terao Kenji
Saito Masaki
Arakaki Yosuke
Daibo Masahiro
Abrégé
A vector-potential coil (11) has a vector potential and is a solenoid coil that extends along a coil axis which is curved. A ferromagnetic body member (11A) extends inside the solenoid coil along the coil axis thereof. A power-source device causes the vector-potential coil (11) to conduct current. The vector-potential coil (11) and the ferromagnetic body member (11A) have an opening in the circumferential direction.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p. ex. stimulateurs cardiaques
A61N 1/40 - Application de champs électriques par couplage inductif ou capacitif
H01F 5/02 - Bobines d'induction enroulées sur des supports non magnétiques, p. ex. mandrins
A61F 9/00 - Procédés ou dispositifs pour le traitement des yeuxDispositifs pour mettre en place des verres de contactDispositifs pour corriger le strabismeAppareils pour guider les aveuglesDispositifs protecteurs pour les yeux, portés sur le corps ou dans la main
A61F 9/007 - Procédés ou dispositifs pour la chirurgie de l'œil
37.
VECTOR POTENTIAL COIL DEVICE FOR APPLYING ELECTRICAL STIMULUS TO SKIN
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Terao Kenji
Saito Masaki
Daibo Masahiro
Abrégé
A supporting unit (10) is provided with a housing space (101) in which skin of a living organism is placed. In a vector potential coil device (1), a vector potential coil is disposed in at least one of the housing space (101) of the supporting unit (10) and the outside of the housing space (101). A power supply unit (2) allows an alternating current to pass through the vector potential coil to generate a vector potential corresponding to the alternating current in the housing space (101), and applies an electrical field generated on the basis of the vector potential to skin of a living organism to apply an electrical stimulus to the skin.
An inductor (100) comprises: a coil (20); a core (30) that contains the coil (20); a pair of terminals (40) that are electrically connected to the coil (20); and a conductor shield (10) that covers a surface of the core (30). The conductor shield (10) covers a top surface of the core (30) or at least a portion of side surfaces thereof. The conductor shield (10) and one terminal of the pair of terminals (40) are electrically connected directly to each other. Further, the conductor shield (10) and the other terminal are electrically connected indirectly to each other via the coil (20).
Microwaves from a high-frequency magnetic field generator (2) and a static magnetic field from a magnet (3) are applied to a magnetic resonance member (1). An FT (4) uses a primary-side coil (4a) to sense a magnetic field to be measured and uses a secondary-side coil (4b) to apply an applied magnetic field corresponding to the sensed magnetic field to be measured to the magnetic resonance member (1). A light guide member (41) guides incident light of a specific wavelength to the magnetic resonance member (1), and a light guide member (42) guides fluorescence generated by the magnetic resonance member (1) from the magnetic resonance member (1). The magnetic resonance member (1) is disposed in a hollow section of the secondary-side coil (4b) of the FT (4) and in a hollow section of the magnet (3) so as to be sandwiched between an end surface of the light guide member (41) and an end surface of the light guide member (42). In addition, the secondary-side coil (4b) is a bobbinless coil.
G01R 33/20 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique
G01R 33/02 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
40.
ANTENNA DEVICE AND METHOD FOR MANUFACTURING ANTENNA DEVICE
This method for manufacturing an antenna device (100) includes a melting step and a removal step. The antenna device (100) comprises: an antenna section (20) on which is wound a coil wire (40) having a coil core (47) covered by an insulation film (46); and a base (30) having a pad section (331) for which a portion of the coil wire (40) is soldered using a brazing filler material (50). In the melting step, a laser is radiated on the brazing filler material (50) supplied onto the pad section (331), melting the brazing filler material (50). In the removal step, the coil wire (40) is immersed in the melted brazing filler material (50) and a portion of the insulation film (46) is removed from the coil wire (40), and the coil wire (40) and the pad section (331) are joined by the brazing filler material (50).
H01P 11/00 - Appareils ou procédés spécialement adaptés à la fabrication de guides d'ondes, résonateurs, lignes ou autres dispositifs du type guide d'ondes
H01Q 7/00 - Cadres ayant une distribution du courant sensiblement uniforme et un diagramme de rayonnement directif perpendiculaire au plan du cadre
A coil component (1) includes: a coil (3); a magnetic core (2) accommodated inside the coil (3); and a fixing means (winding end (3b)) for fixing the magnetic core (2) to the coil (3) such that the magnetic core (2) is positioned inside the coil (3) in the axial direction. The coil (3) is constituted of a winding (3a) that extends in a spiral shape. The magnetic core (2) has high magnetic permeability and is accommodated inside a central core portion (3c), which is the inside of the coil (3).
H01F 27/30 - Fixation ou serrage de bobines, d'enroulements ou de parties de ceux-ci entre euxFixation ou montage des bobines ou enroulements sur le noyau, dans l'enveloppe ou sur un autre support
42.
ELECTRONIC COMPONENT AND METHOD FOR HOLDING CONDUCTING WIRE END PART
An electronic component (coil component (1)) comprises a conductive conducting wire (3a) and a conductive member (5) that has a bent terminal (6) which holds an end part of the conducting wire (3a). The bent terminal (6) is provided with a base portion (6a) that supports the conducting wire (3a), a fold portion (6b) that is continuous from one end side of the base portion (6a) and that is bent and folded back, and a bend portion (6c) that is continuous from the fold portion (6b) and that is provided to the tip end side, which is the opposite side from the base portion (6a). The conducting wire (3a) is sandwiched between the base portion (6a) and the fold portion (6b) or the bend portion (6c). The bend portion (6c) is bent toward the base portion (6a) more than a direction tangential to the fold portion (6b), and the gap between the bend portion (6c) and the base portion (6a) is smaller than the width of the conducting wire (3a).
H01R 4/16 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c.-à-d. se touchant l'un l'autreMoyens pour réaliser ou maintenir de tels contactsConnexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation effectuées uniquement par torsion, enroulage, pliage, sertissage ou autre déformation permanente par pliage
H01R 43/04 - Appareils ou procédés spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation de connecteurs de lignes ou de collecteurs de courant ou pour relier les conducteurs électriques pour établir des connexions par déformation, p. ex. outil à plier
43.
BOBBIN FOR COIL DEVICE, COIL DEVICE, AND ASSEMBLY METHOD FOR COIL DEVICE
A bobbin for a coil device according to the present invention is for use in a coil device formed by winding a coil around the outer circumference of a magnetic core part of a magnetic core. The bobbin comprises a cylindrical bobbin (a second bobbin) 20 that has: an inside bobbin body 20A that comprises a cylindrical insulating member into which the magnetic core part of the magnetic core is inserted and protruding intermittent wall parts 21 that extend linearly over the outer circumferential surface of the cylindrical insulating member in the circumferential direction of the outer circumferential surface; a pipe (a second pipe) 41 that, guided by the intermittent wall parts 21, is wound onto the outer circumferential surface of the cylindrical insulating member; and an insulating outside bobbin body 20B that overmolds and thereby sandwiches the pipe (the second pipe) 41 with the inside bobbin body 20A.
This transformer (100) comprises: a bobbin (30) that extends in a winding axis direction; a first coil (11); a second coil (12); an interlayer tape (50); and one or more creepage surface tapes (60). The first coil (11) is wound inside among multiple coils (10) wound in layers about the bobbin (30). The second coil (12) is wound outside of the first coil (11). The interlayer tape (50) is wound between the first coil (11) and the second coil (12). The creepage surface tapes (60), when viewed in the winding axis direction, are wound outside of the first coil (11) or the second coil (12). At least some of the creepage surface tapes (60) and the interlayer tape (50) serve as an insulating tape (40) that is a single member.
A light receiving device 13 receives the fluorescence emitted from a magnetic resonance member 1 in response to excitation light and generates a fluorescence sensor signal corresponding to the fluorescence intensity, and an arithmetic processing unit 31 derives a measurement value on the basis of the fluorescence sensor signal or a detection signal obtained from the fluorescence sensor signal. By using a measurement value when a field to be measured is applied to the magnetic resonance member 1 as a main measurement value, using a measurement value that is measured before the measurement of the main measurement value when the field to be measured is not applied to the magnetic resonance member 1 as a pre-stage measurement value, and using a measurement value that is measured after the measurement of the main measurement value when the field to be measured is not applied to the magnetic resonance member as a post-stage measurement value, the arithmetic processing unit 31 subtracts the pre-stage measurement value and the post-stage measurement value from the main measurement value at a predetermined ratio, respectively, to derive the measurement value of the field to be measured.
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
G01R 33/20 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
46.
COIL BOBBIN, COIL COMPONENT, AND METHOD FOR MANUFACTURING COIL BOBBIN
A coil bobbin (10) comprises: a winding (120); a first bobbin (111); and a second bobbin (112). The first bobbin (111) and the second bobbin (112) are arranged side by side such that the axial directions are aligned with each other. The winding (120) is wound on the first bobbin (111) and the second bobbin (112) in a continuous manner, and is passed from the first bobbin (111) through an internal space (130), which is held between the first bobbin (111) and the second bobbin (112) arranged side by side, to the second bobbin (112). In addition, the winding (120) has a slacking part (121) in the internal space (130).
A gap material (40) is disposed between a first core (10) and a second core (20), and separates the first core (10) and the second core (20) from each other. An adhesive (50) is applied between the first core (10) and the second core (20). Both ends of a conductor (30) extend out from a groove (11), and are respectively arranged along first and second opposing lateral surfaces of the first core (10). The distance between the first lateral surface and the adhesive (50) when viewed in the extending direction of the groove (11) is equal to or less than that between the second lateral surface and the adhesive (50). The gap material (40) is disposed between the adhesive (50) and the first lateral surface when viewed in the extending direction of the groove (11).
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
This antenna device comprises a base (4b) that has a mounting unit (land (16a)), and a chip electronic component (capacitor chip (12)). The land (16a) has at least a pair of mounting terminals (16c) for mounting the capacitor chip (12). The base (4b) has uneven sections (20) formed at edge portions (4g) of an opening (4e). The uneven sections (20) are each configured by a recess section (21) and a protruding section (22) that respectively protrude from and are recessed into the edge portions (4g) of the opening (4e) in the direction in which the mounting terminals (16c) that form a pair are aligned. The protruding sections (22) demarcate mounting spaces at positions where at least a pair of terminals (12a) of the capacitor chip (12) face the mounting terminals (16c) that form a pair.
H01Q 7/06 - Cadres ayant une distribution du courant sensiblement uniforme et un diagramme de rayonnement directif perpendiculaire au plan du cadre avec un noyau en matière ferromagnétique
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Kaneko Tsunaki
Saito Masaki
Detmod Thitaporn
Terao Kenji
Daibo Masahiro
Sato Asahi
Abrégé
AC current conducts through a primary conductor 1. A moving body device (for example, a vehicle 101) comprises a vector-potential coil 2. The vector-potential coil 2 wirelessly senses a vector potential generated by the AC current conducting through the primary conductor 1 and causes the current induced by the vector potential to conduct. The primary conductor 1 is a part or whole of a conducting wire continuously disposed along a transfer path (for example, a road 102) for the moving body device. When the moving body device (for example, the vehicle 101) is on the transfer path (for example, the road 102), the vector-potential coil 2 continuously and wirelessly senses the vector potential and causes the current to conduct.
B60L 53/67 - Commande de plusieurs stations de charge
B60M 7/00 - Lignes ou rails d'alimentation en énergie spécialement adaptés pour véhicules à propulsion électrique d'un type particuliers, p. ex. véhicules suspendus, téléfériques, chemins de fer souterrains
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02J 50/12 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif du type couplage à résonance
H02J 50/70 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre la réduction des champs de fuite électriques, magnétiques ou électromagnétiques
50.
VECTOR POTENTIAL GENERATION DEVICE, VECTOR POTENTIAL COIL ARRANGEMENT METHOD, VECTOR POTENTIAL TRANSFORMER, AND CONTACTLESS POWER FEED SYSTEM
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Daibo Masahiro
Sato Asahi
Kaneko Tsunaki
Saito Masaki
Detmod Thitaporn
Terao Kenji
Yoshii Yoshiharu
Abrégé
In the present invention, a vector potential coil 11 is a vector potential coil constituting a solenoid coil extending along a curved coil axis. Inside the solenoid coil, a ferromagnetic body member 11A extends along the coil axis. A power supply device causes the vector potential coil 11 to conduct a current. Furthermore, the vector potential coil 11 and the ferromagnetic member 11A provide an opening 14 in a circumferential direction.
A61N 2/04 - Magnétothérapie utilisant des champs magnétiques produits par des bobines, y compris par des boucles à spire unique ou par des électro-aimants utilisant des champs variables, p. ex. des champs basse fréquence ou des champs pulsés
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Kaneko Tsunaki
Saito Masaki
Detmod Thitaporn
Terao Kenji
Sato Asahi
Daibo Masahiro
Abrégé
A bioreactor 10 has a housing space 101 that holds a liquid containing a specific alga. A vector potential coil of a vector potential coil device 1 is disposed in at least one of the housing space 101 and outside of the bioreactor 10. A power supply device 2 allows an alternating current to pass through the vector potential coil, generates a vector potential corresponding to the alternating current in the housing space 101, and applies an electric field, which is generated on the basis of the vector potential, to the liquid to thereby electrically stimulate the alga.
Provided are: a low-profile transformer which is equipped with a plurality of cylindrical secondary coils and is capable of being more compact and having a lower product height in comparison to the prior art; and a method for producing the same. Thus, a transformer equipped with a primary coil 34 which is wound around the outer circumference of the center legs 4c, 6c of first and second cores 4, 6 which constitute a magnetic core, and also equipped on the outer circumference thereof with cylindrical secondary coils 22, 24 which are concentrically arranged relative to one another and also relative to the primary coil 34, wherein: the cylindrical secondary coils 22, 24 are provided with cylindrical secondary coil main body sections 22d, 24d which encircle and sandwich slits 22c, 24c therebetween, and terminal units 22a, b, 24a, b which each extend toward the outside from a region near the end section of the cylindrical secondary coil main body sections, which face one another with the slits 22c, 24c sandwiched therebetween; and the cylindrical secondary coils 22, 24 are positioned in a manner such that there is overlap between one of the terminal units 22a, 24a in each of said coils, and there is no contact between the other of the terminal units 22b, 24b in each of said coils.
NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY (Japon)
Inventeur(s)
Kaneko Tsunaki
Saito Masaki
Detmod Thitaporn
Terao Kenji
Daibo Masahiro
Sato Asahi
Abrégé
In a cargo container 1, a vector-potential coil 11 senses, in a non-contact manner, a vector potential generated by AC current flowing through a trolley wire 4 or a rail 5 of a railway and causes the current induced by the vector potential to flow, and a power supply device 14 supplies power to an electronic device on the basis of the current induced in the vector potential coil 11.
Provided is a surface mount coil component (surface mount transformer 1) comprising: a winding wire (3) with a lead portion (3a); an insulating bobbin (2) with a winding shaft portion for the winding wire (3); a plurality of mounting terminals (4) protruding from the bobbin (2); and a plurality of entangling terminals (5 (6, 7)) which are formed from the same member as each of the mounting terminals (4) and which are used to entangle the lead portion (3a) of the winding wire. A plurality of adjacent entangling terminals (6, 7) are bent with respect to the direction of protrusion from the bobbin (2). The lead portion (3a) is entangled on the bent portions of the entangling terminals (5, (6, 7)).
[Problem] To provide a reactor bobbin and a reactor device with which it is possible to simply and quickly perform position adjustment of a bobbin flange portion when the bobbin flange portion and a bobbin are engaged with each other with the flange portion being matched with a coil length. [Solution] At least one flange portion is a movable flange portion 123 which is a separate body from a body portion (hereafter, bobbin shaft portion) 121. The movable flange portion 123 has a central hollow portion (124) into which an end of the bobbin shaft portion 121 can be fitted and inserted. A recess row 127 is provided on at least a partial outer surface of the bobbin shaft portion 121, the recess row 127 having a plurality of engagement recesses (hereafter, recesses) 126 arrayed therein in the axial direction of the bobbin shaft portion 121, and the movable flange portion 123 is provided with an engaging projection 125 that selectively engages with one of the recesses 126 in the recess row 127. In a state in which the movable flange portion 123 has been moved to a desired position of the bobbin shaft portion 121, one of the recesses 126 in the recess row 127 and the engaging projection 125 of the movable flange portion 123 are configured to engage with each other.
[Problem] In a magnetic coupling inductor in which two installed inductors are caused to operate in interleave, to facilitate adjustment of a leakage inductance value and, in such adjustment, to ensure the dimensional accuracy of terminal pin intervals of both terminal blocks and the rigidity of a winding shaft part of a bobbin. [Solution] The present invention comprises a ring-shaped spacer member 5 which is split in the circumferential direction and attached to a bobbin 4 in a circumferential direction of a winding shaft part (42) through which a middle leg part (11, 21) is inserted. The spacer member comprises: a cylinder section (5C) on which an annular third core 3 (3A, 3B) is placed; and flange sections 5A, 5B provided at both ends thereof. The third core 3 is split in the circumferential direction and mounted on the outer periphery of the cylinder section (5C) of the spacer member 5 in a state in which, of elements of the shape of the third core 3 and the material characteristic of the third core 3, the magnitude of at least one of the elements is set so that a desired leakage inductance value is generated.
H01F 5/02 - Bobines d'induction enroulées sur des supports non magnétiques, p. ex. mandrins
H01F 38/08 - Transformateurs ou inductances à fortes fuites
H01F 38/10 - Inductances ballast, p. ex. pour lampes à décharge
H01F 27/30 - Fixation ou serrage de bobines, d'enroulements ou de parties de ceux-ci entre euxFixation ou montage des bobines ou enroulements sur le noyau, dans l'enveloppe ou sur un autre support
H01F 27/32 - Isolation des bobines, des enroulements, ou de leurs éléments
57.
COIL COMPONENT, COIL DEVICE, AND METHOD FOR PRODUCING COIL COMPONENT
[Problem] To provide: a coil component, in which the axial direction length including a gap and a coupling part of two coil elements is shortened for size reduction, and deterioration in characteristics and the risk of heat generation that could occur when the leakage magnetic flux comes into contact with a twisted portion can be reduced; a coil device; and a method for producing the coil component. [Solution] The present invention comprises: a first coil element 111 and a second coil element 112 that are formed from a coil winding body which is obtained by rectangularly stacking one rectangular wire 101 in an edge-wise manner, which is divided into two at a predetermined position and folded back, and in which the opposing side surfaces of the coil winding body are disposed so as to be parallel and in close contact with each other; and a coupling part 113 that couples the coil elements 111 and 112. The coupling part 113 is provided along upper surfaces of the coil elements 111, 112 so as to straddle the two coil elements 111, 112. The coupling part 113 includes, at one portion thereof, a twisted section 123D where the rectangular wire 101 is twisted 180°.
[Problem] To perform nuclear magnetic resonance sensing by which a low-level NMR signal is accurately detected and which has high resolution. [Solution] A nuclear magnetic resonance sensing unit 1 applies, to a target object, a high-frequency magnetic field which is based on an RF signal, and generates an observation signal the frequency of which is shifted from the frequency of said RF signal by the frequency of an NMR signal. A mixer unit 6 generates an IF demodulated signal that includes the NMR signal. A low-pass filter 7 transmits a low-frequency band component of the IF demodulated signal. In a digitizing device 21, a physical field generation device generates a magnetic field etc. corresponding to the IF demodulated signal that has been transmitted through the low-pass filter 7, an optical quantum sensor unit uses a sensing member to generate light corresponding to said magnetic field etc. and uses a photoelectric element to convert said light to a sensor signal, and an analogue-digital converter digitizes said sensor signal. This optical quantum sensor unit subjects the above-mentioned sensing member to quantum manipulation and uses the sensing member to generate the light corresponding to the above-mentioned magnetic field etc.
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
A light receiving device 13 receives fluorescent light emitted from a magnetic resonance member 1 in response to excitation light, and generates a fluorescent light sensor signal corresponding to the intensity of the fluorescent light. A CMR computation unit 25 generates a CMR signal by performing, on the fluorescent light sensor signal, common mode rejection based on a reference light sensor signal of reference light obtained by branching the excitation light, in consideration of the non-linearity of the fluorescent light sensor signal level with respect to the light amount of the excitation light. An A/D converter 26 digitizes the CMR signal, and an analog/digital converter 27 digitizes the reference light sensor signal. An arithmetic processing device 31 derives a measurement value of a field being measured on the basis of the digitized CMR signal and the digitized reference light sensor signal.
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
A physical field generating device 1 generates a magnetic field or electric field that corresponds to an input signal. An optical quantum sensor unit 2 generates light corresponding to the magnetic field or electric field through use of a sensing member, and the light is converted to an electrical signal as a sensor signal by a photoelectric element. An A/D converter 3 digitizes the sensor signal. The optical quantum sensor unit 2 then performs a quantum operation on the sensing member to cause the abovementioned sensing member to generate the abovementioned light corresponding to the abovementioned magnetic field or electric field.
In order to provide a circuit capable of accurately inspecting the number of coil windings, even for a transformer having a high winding ratio, this transformer winding number inspection circuit (1) is configured to be capable of in-phase serial connection between primary coils (Np1 and Np2) of a reference transformer (CT1) and a to-be-inspected transformer (CT2) and between secondary coils (Ns1 and Ns2), the transformer winding number inspection circuit comprising: a reference-side resistor element (R1) included in a reference-side loop circuit (Lp1) formed between both ends of the secondary coil of the reference transformer; a to-be-inspected-side resistor element (R2) included in a to-be-inspected-side loop circuit (Lp2) formed between both ends of the secondary coil of the to-be-inspected transformer; and a voltage detection means (Rd) provided to a common line of the reference-side loop circuit and the to-be-inspected-side loop circuit, the common line connecting a midpoint between the secondary coils of the reference transformer and the to-be-inspected transformer, and a midpoint between the reference-side resistor element and the to-be-inspected-side resistor element.
NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY (Japon)
Inventeur(s)
Hashimoto Masateru
Saito Masaki
Ueno Toshiyuki
Abrégé
A magnetostrictive vibrational power generator that obtains power using the magnetostriction effect produced in a magnetostriction element 13, and is obtained by comprising: a beam member 10 that has one end configured as a free end and the other end configured as a fixed end, and is integrally provided with a rod-shaped magnetostriction element 13 and a frame 12 to which the magnetostriction element 13 is mounted; magnets 14a, b that impart a magnetic bias to the magnetostriction element 13; a coil 15 that is wound around the magnetostriction element 13 so as to be penetrated by the magnetic flux produced by the magnetostriction element 13 to which the magnetic bias has been applied; and a rotational tab member 20 that is positioned near the beam member 10, and is obtained by arranging, at prescribed intervals on an outer circumferential section of a rotational body 21, a plurality of tab sections 23 which pull the free end of the frame 12 such that the magnetostriction element 13 sags.
H02N 2/18 - Machines électriques en général utilisant l'effet piézo-électrique, l'électrostriction ou la magnétostriction fournissant une sortie électrique à partir d'une entrée mécanique, p. ex. générateurs
In order to provide a magnetostrictive power generation element capable of enhancing power generation efficiency due to vibrations in two or more directions, this magnetostrictive power generation element 1 comprises: a magnetostrictive body unit 2 having a magnetostrictive body 4 in at least a part thereof; a magnet 7 which applies a magnetic bias to the magnetostrictive body 4; and a coil 6 disposed around the magnetostrictive body 4. The magnetostrictive body unit 2 has: a fixed section (screw 2a) fixed to another member; and a curved section 2b naturally curved in at least a part thereof. The magnetostrictive body 4 is disposed in at least the curved section 2b.
H02N 2/18 - Machines électriques en général utilisant l'effet piézo-électrique, l'électrostriction ou la magnétostriction fournissant une sortie électrique à partir d'une entrée mécanique, p. ex. générateurs
64.
MAGNETIC FIELD MEASUREMENT DEVICE AND MAGNETIC FIELD MEASUREMENT METHOD
In this invention, a high-frequency-magnetic-field generator 2 applies microwaves to a magnetic resonance member 1. A magnet 3 applies a static magnetic field to the magnetic resonance member 1. An emission device 12 emits incidence light of a specific wavelength onto the magnetic resonance member 1. An FT 4 uses a primary-side coil 4a to sense a magnetic field under measurement and uses a secondary-side coil 4b to apply an application magnetic field corresponding to the sensed magnetic field under measurement to the magnetic resonance member 1. A column-shaped light guide member 41 guides the light incident thereon to the magnetic resonance member 1. A column-shaped light guide member 42 guides fluorescence generated by the magnetic resonance member 1 from the magnetic resonance member 1. The magnetic resonance member 1 is disposed in a hollow part of the secondary-side coil 4b of the FT 4 and in a hollow part of the magnet 3 so as to be sandwiched between an end surface of the light guide member 41 and an end surface of the light guide member 42.
G01R 33/24 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
In the present invention, a light-receiving device 13 receives fluorescent light emitted from a magnetic resonance member 1 in response to excitation light, and generates a fluorescent light sensor signal that corresponds to the intensity of the received fluorescent light. A CMR computation unit 25 carries out common mode rejection, based on a reference light sensor signal pertaining to reference light obtained by branching the excitation light, with respect to the fluorescent light sensor signal, and generates a CMR signal. An analog/digital converter 26 digitizes the CMR signal, and an analog/digital converter 27 digitizes the refernence light sensor signal. A computation processing device 31: divides the digitized CMR signal by the digitized reference light sensor signal to generate a detection signal; derives, on the basis of the detection signal, a measurement value pertaining to a field to be measured; and executes a noise-removing digital filter process on the digitized CMR signal or on the detection signal.
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
66.
OUTPUT STABILIZING CIRCUIT AND DC/DC CONVERTER CIRCUIT
An output stabilizing circuit (1) comprises: a primary-side circuit (2) that includes a self-excited oscillation circuit (10) connected to a DC power supply; and a secondary-side circuit (3) that obtains an output voltage through oscillation of the self-excited oscillation circuit. The self-excited oscillation circuit comprises: a drive transformer in which a secondary-side coil is connected to each gate electrode of a plurality of switching elements that are half-bridge or full-bridge connected; a feedback transformer in which a primary-side coil is connected to a power transmission coil; and a phase shift filter connected between the secondary-side coil of the feedback transformer and the primary-side coil of the drive transformer. The phase shift filter includes a primary-side control coil having a characteristic in which the inductance changes according to the current flowing to a secondary-side control coil of the secondary-side circuit.
H02M 3/28 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire
With conventional magnetostrictive elements, in U-shaped, cantilevered, double-sided, and other structures, a large load is applied near a fixing location or near an immovable location when subjected to vibration from an external source. Additionally, in terms of structural mechanics, shearing force quadratically decreases, simply, as the distance from the fixing location increases. To provide a magnetostrictive element with high overall power generation efficiency, this magnetostrictive element 1 has a longitudinal shape, and vibrates in a direction crossing the longitudinal direction to generate an inverse magnetostriction effect. In at least a portion of the magnetostrictive element 1, a curved shape 1b curving in the direction crossing the longitudinal direction is formed in multiple cycles along the longitudinal direction of the longitudinal shape.
H01L 41/47 - Procédés ou appareils spécialement adaptés à l'assemblage, la fabrication ou au traitement de dispositifs magnétostrictifs, ou de leurs parties constitutives
H02N 2/18 - Machines électriques en général utilisant l'effet piézo-électrique, l'électrostriction ou la magnétostriction fournissant une sortie électrique à partir d'une entrée mécanique, p. ex. générateurs
68.
INVERTER CIRCUIT AND ELECTRIC FIELD COUPLING NON-CONTACT POWER FEEDING DEVICE
In order to provide a circuit technology capable of outputting high-frequency multi-phase AC power with a simple circuit configuration, an inverter circuit (1) comprises: a primary side circuit (2) having a plurality of self-excited oscillation circuits (10) connected to a DC power supply (BT); and a secondary side circuit (3) for outputting the multi-phase AC powers in accordance with the oscillations of the self-excited oscillation circuits. The self-excited oscillation circuits (10) each have transmission coils (N11, N12), a resonant capacitor (C11), a switching element pair (Q11, Q12), a drive coil (ND), and a phase-shift filter (F20). The respective control electrodes of the switching element pair (Q11, Q12) are applied with voltages from the drive coil (ND) of another one of the self-excited oscillation circuits (10). The phase of the voltage applied to each of the control electrodes of the switching element pair (Q11, Q12) is shifted in association with the action of at least the phase-shift filter (F20), with respect to each of the self-excited oscillation circuits (10), by a phase-shift amount according to the number of phases of output power.
NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY (Japon)
Inventeur(s)
Hashimoto, Masateru
Yamaura, Ken
Kaneko, Tsunaki
Ueno, Toshiyuki
Abrégé
A magnetostrictive power generation element (1) comprises: a magnetostrictive body unit (2) at least partially having a magnetostrictive body; a magnet for applying a magnetic bias to the magnetostrictive body; a coil; and a bobbin (5) having a hollow portion (5b) and housing at least a part of the magnetostrictive body in the hollow portion (5b). The bobbin (5) has a wound portion (5c), around which the coil is wound, on the outer periphery of a region in which the hollow portion (5b) is provided.
H02N 2/18 - Machines électriques en général utilisant l'effet piézo-électrique, l'électrostriction ou la magnétostriction fournissant une sortie électrique à partir d'une entrée mécanique, p. ex. générateurs
H01F 5/02 - Bobines d'induction enroulées sur des supports non magnétiques, p. ex. mandrins
70.
MAGNETIC FIELD MEASUREMENT DEVICE AND MAGNETIC FIELD MEASUREMENT METHOD
A high-frequency magnetic field generator (2) applies microwaves to a magnetic resonance member (1) that enables quantum operation of electron spin using microwaves. A magnet (3) applies a magnetostatic field to the magnetic resonance member (1). An irradiation device (12) irradiates the magnetic resonance member (1) with light having a specific wavelength. A flux transformer (4) uses a primary-side coil (4a) to sense a magnetic field under measurement, and uses a secondary-side coil (4b) to apply an applied magnetic field corresponding to the sensed magnetic field under measurement to the magnetic resonance member (1). The magnetic resonance member (1) is disposed at a location in a hollow section of the secondary-side coil (4b) of the flux transformer (4) and in a hollow section of the magnet (3).
G01R 33/02 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
G01R 33/032 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques en utilisant des dispositifs magnéto-optiques, p. ex. par effet Faraday
G01R 33/24 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
A parameter adjustment unit 21 designates a design parameter value for a flux transformer. A transmission efficiency evaluation unit 22 calculates transmission efficiency BR corresponding to the design parameter value in accordance with a prescribed calculation expression. In particular, the transmission efficiency evaluation unit 22 calculates the transmission efficiency BR on the basis of (a) an electromotive force of a primary-side coil in which individual coil diameters of respective windings of the primary-side coil of the flux transformer are taken into account and (b) an induced magnetic field of a secondary-side coil in which individual coil diameters of respective winding layers of the secondary side coil of the flux transformer are taken into account.
H01F 41/00 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques
G01R 33/02 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
72.
EXCITATION LIGHT EMISSION DEVICE AND EXCITATION LIGHT EMISSION METHOD
A substrate 1 comprises a color center that is excited by excitation light. At least one pair of reflection members 21a, 21b are disposed so as to be apart from the substrate 1. Further, the substrate 1 emits the excitation light that has entered into the substrate 1 from surfaces 1c, 1d of the substrate 1 without reflecting the excitation light. The reflection members 21a, 21b reflect excitation light emitted from the substrate 1 at reflection surfaces 21-1, 21-2 so as to cause the excitation light to enter the substrate 1 and cause the entry of the excitation light into the substrate 1 and the emission of the excitation light from the substrate 1 to be repeated such that the excitation light passes through the substrate 1 a prescribed number of times. The emission device 4 emits the excitation light such that the excitation light enters the reflection surfaces perpendicularly to one axis from among the two axes of the reflection surfaces 21-1, 21-2 and at a prescribed inclination angle in relation to the other axis from among the two axes of the reflection surfaces.
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
A magnetic resonance member 1 comprises a diamond crystal including a plurality of nitrogen vacancy centers. A high frequency magnetic field generator 2 applies a microwave magnetic field to the magnetic resonance member 1. The plurality of nitrogen vacancy centers include nitrogen vacancy centers arranged respectively in the directions of a prescribed plurality of target axes among four axes showing the four bonding directions of carbon atoms in a diamond crystal. The magnetic resonance member 1 is disposed relative to a magnetic field to be measured Bt and oriented where sensitivity to the magnetic field to be measured Bt using the nitrogen vacancy centers that are arranged respectively in the directions of the prescribed plurality of target axes is approximately maximized.
G01R 33/24 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
Provided is a resonance coil-embedded LLC transformer having a structure in which a larger resonance inductance can be easily secured and the leakage inductance can be adjusting during manufacturing. The resonance coil-embedded LLC transformer comprises: a magnetic core part 11 that constitutes a rectangular closed magnetic path including opposite parallel sides obtained by combining a plurality of magnetic cores; primary coil winding parts 12A, B which are arranged on each of the opposite parallel sides of the magnetic core part 11 and around which a primary coil winding 12a is wound; secondary coil winding parts 13A, B around which a secondary coil winding 13a is wound; an auxiliary core member 14 including a plate-shaped magnetic core 14a which is disposed at an opposite position of the opposite parallel sides of the magnetic core part 11 between the primary coil winding parts 12A, B and between the second coil winding parts 13A, B, which is configured so that on each of the opposite sides of the magnetic core part 11, the primary coil winding parts 12A, B and the second coil winding parts 13A, B are arranged with a gap portion G therebetween, and which is inserted from the gap portion G formed on one of the opposite sides to the gap portion G formed on the other side.
[Problem] To eliminate the development of a space portion when a winding wire is turned back at a flange member, eliminate an irregular winding appearance by preventing a drop of the winding wire, and enable good aligned winding using an automatic winding machine. [Solution] This winding bobbin is provided with a tubular wound portion 11 around which a winding wire 3 is wound, and flange members 12, 13 each provided at either end of the wound portion 11. The winding bobbin is configured such that at least one of the flange members 12, 13 has an inner surface which is provided as a regulating surface S onto which the winding wire 3 being wound is pushed continuously or intermittently, and the axial position of the wound portion 11 at which the regulating surface S is formed gradually varies in a direction away from the end of the wound portion 11 as the wound portion 11 rotates.
A magnetic resonance member 1 has a crystal structure and allows an electron spin quantum operation through microwaves having different frequencies depending on the orientations of defects and impurities in a crystal lattice. A magnetic field transmission unit 4 senses magnetic fields measured at a plurality of measurement positions different from each other, and applies application magnetic fields corresponding to the measured magnetic fields sensed at the plurality of measurement positions to the magnetic resonance member 1, respectively, along the plurality of orientations of defects and impurities in the crystal lattice. A measurement control unit 21 controls a high frequency power supply 12 to determine detection values for physical events corresponding to the plurality of measurement positions, the values being detected by detection devices (a light emitting device 5 and a light receiving device 6). A calculation unit 22 calculates, on the basis of the detection values, the measured magnetic fields at the plurality of measurement positions.
G01R 33/20 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique
G01N 24/00 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin
A magnetic resonance member 1 is disposed within an AC physical field to be measured and is capable of quantum operation in a prescribed quantum system. A coil 2 and a high-frequency power source 3 apply a microwave magnetic field to the magnetic resonance member 1. An irradiating device 4 irradiates the magnetic resonance member 1 with light, and a detection device 5 detects, from the magnetic resonance member 1, a physical event corresponding to the AC physical field to be measured. In addition, a measurement control unit 21 executes a DC physical field measurement sequence a prescribed plural number of times, and in each DC physical field measurement sequence, identifies a detection value for the physical event detected by the detection device 5. A computation unit 22 computes the measurement results in a specific period for the AC physical field to be measured on the basis of the detection values corresponding to the plural number of times of the DC physical field measurement sequence.
G01R 33/032 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques en utilisant des dispositifs magnéto-optiques, p. ex. par effet Faraday
G01R 33/26 - Dispositions ou appareils pour la mesure des grandeurs magnétiques faisant intervenir la résonance magnétique pour la mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques utilisant le pompage optique
78.
COIL COMPONENT, ELECTRICAL APPLIANCE WITH COIL COMPONENT, AND COIL COMPONENT ATTACHMENT METHOD
A coil component (1) is attached to a printed board (2), which has an attachment hole formed therein in the thickness direction (mounting direction of coil component (1)), by inserting a portion thereof into the printed board (2). The coil component (1) is provided with: a core; a coil (5) wound around the periphery of the core; a base portion (4) which holds the core; and a plurality of mounting terminals (6W, 6X, 6Y, 6Z) at least a portion of which can be electrically connected to the coil (5) and the printed board (2), and which are held by the base portion (4). The base portion (4) has an elastically deformable locking piece (locking claw (7)). The locking piece (locking claw (7)) is capable of passing through the attachment hole by elastic deformation, and is capable of being locked to the edge of the attachment hole by elastic recovery.
A coil component (100) includes: a magnetic core (10) having a core part (11); an insulation frame body (24) that houses the magnetic core (10); an electrode terminal member (47) provided to the insulation frame body (24); and at least one coil (e.g., a first coil (56) and/or a second coil (57)) comprising an insulation-coated conductive wire (55), and being electrically connected to the electrode terminal member (47). The at least one coil is provided with a wound part (58) which is wound around the insulation frame body (24) and the core part (11), such that the coil is in contact along a second wall part (28) and a fifth wall part (31) of the insulation frame body (24).
The purpose of the present invention is to obtain a high degree of freedom for disposing a power receiving device with respect to a power transmitting device and a high power transmission efficiency from the power transmitting device to the power receiving device. This contactless power transmission system 100 is provided with: a power transmitting device 20 having a plurality of power transmitting electrodes disposed on a power transmitting surface; and a power receiving device 10 having a plurality of power receiving electrodes 11 disposed on a power receiving surface and electrically coupled with the power transmitting electrodes. The plurality of power transmitting electrodes include a plurality of first power transmitting electrodes 21 and a plurality of second power transmitting electrodes 22, wherein the first power transmitting electrodes 21 have a phase opposite to that of the second power transmitting electrodes 22. The plurality of power transmitting electrodes and the plurality of power receiving electrodes 11 are arranged so as to satisfy such a condition that: regardless of the relative position and orientation of the power receiving surface with respect to the power transmitting surface in a state that the power receiving surface is arranged so as to overlap with the power transmitting surface, one or more power receiving electrodes 11 overlap with the first power transmitting electrodes 21 and another one or more power receiving electrodes 11 overlap with the second power transmitting electrodes 22; and any of the power receiving electrodes 11 overlapping with the power transmitting electrodes overlaps with only either one of the first power transmitting electrodes 21 and the second power transmitting electrodes 22.
The purpose of the present invention is to provide a resonant adjustment circuit that does not decrease the transmission efficiency of a voltage-type inverter circuit even when connected to a parallel resonant circuit. The resonant rectifier circuit 1 used in a power feeding system 100 for supplying power using an electric field coupling method of the present invention is constituted by: an inverter circuit 10 functioning as a voltage source; a parallel transformer devices 30, 40 connected in parallel with the inverter circuit 10 and transmitting current supplied from the inverter circuit 10; and a timing adjustment circuit 20 disposed between the inverter circuit 10 and the parallel transformer devices 30, 40 and adjusting the input timing of pulse current supplied by the inverter circuit 10.
H02J 50/05 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage capacitif
H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
[Problem] To provide a coil component core having a structure capable of achieving both high DC superposition characteristics and suppression of leakage magnetic flux. [Solution] A coil component core 30 comprises an annular core body 10 having a magnetic gap 15, and a gap core 20 disposed in the magnetic gap 15. The average value of the relative permeability in the entire space of the magnetic gap 15 is lower than the relative permeability of the core body 10. The gap core 20 has a first portion 21 having a relative permeability higher than the average value, and the first portion 21 is disposed at least in a portion of a peripheral section of the magnetic gap 15.
[Problem] To provide a core for a coil part that has a structure with which DC superposition characteristics can be improved by means of a technique other than lowering the effective relative magnetic permeability. [Solution] A core for coil part 10 is configured by arranging a plurality of core pieces 11 into a ring shape, wherein l/S of each of the plurality of core pieces 11 is 1.0 or less, where l is the length of each of the core pieces 11 in a magnetic path direction and S the cross-sectional area of each of the core pieces 11 that is orthogonal to the magnetic path direction. This configuration significantly improves the DC superposition characteristics of the coil part.
A power transmitting-side device 1 has: three power transmitting-side electrodes 12U, 12V, 12W which form electric-field coupling with respective power receiving-side electrodes 22U, 22V, 22W of a power receiving-side device 2, and respectively correspond to three phases; and an inverter 21 for generating a three-phase alternating current which passes through the power transmitting-side electrodes 12U, 12V, 12W and the power receiving-side electrodes 22U, 22V, 22W. A power receiving-side device 2 has: three power receiving-side electrodes 22U, 22V, 22W which form electric-field coupling with the respective power transmitting-side electrodes 12U, 12V, 12W of the power transmitting-side device 1, and respectively correspond to three phases; and a converter 21 for rectifying the three-phase alternating current which passes through the power transmitting-side electrodes 12U, 12V, 12W and the power receiving-side electrodes 22U, 22V, 22W.
The present invention provides a vibration power generator with which desired power generation performance can be obtained even if vibration frequency is low. A vibration power generator (1) is provided with a vibrator (10) which includes a plurality of magnets (M1 to M12) having the same polarity disposed opposite each other and vibrates at a prescribed resonant frequency, a coil spring (5) which supports the vibrator (10) falling in the gravity direction and vibrates the vibrator (10) at a prescribed resonant frequency, a cylindrical winding bobbin (8) in which the vibrator (10) and the coil spring (5) vibrate, coils (C1 to C12) which are wound around the periphery of the winding bobbin (8) and serially connected in each of two or more groups into which the coils are divided, and a plurality of rectifier circuits which rectifies the output voltages of the coils (C1 to C12) for each of the groups.
H02K 35/02 - Génératrices avec système de bobines, aimant, induit, ou autre partie du circuit magnétique à mouvement alternatif, oscillant ou vibrant avec des aimants mobiles et des systèmes de bobines fixes
[Problem] To provide a transformer that can make large improvements in productivity, general-purpose utilization, reduction in size, performance, and the like over conventional transformers. [Solution] This transformer is provided with a core (11), a first winding (15), and a second winding (13). The transformer is further provided with a bobbin (12), which is provided with low-voltage side coil winding parts (17) and high-voltage side coil winding parts (18) and which is formed by winding second windings (13) on the coil winding parts (17, 18), and a case (14) that is disposed so as to cover the periphery of the bobbin (12) and has the first winding (15) wound on the periphery thereof in correspondence with the position of the low-voltage side coil winding parts (17).
A vibration power generator (100) is a device provided with an oscillating body (10) and a coil (40) arranged around the oscillating body, and in which the oscillating body (10) is moved relative to the coil (40) to thereby obtain an electromotive force. The oscillating body (10) includes a plurality of magnets (20a-20d) arranged in a row in a state in which magnetic-pole faces having the same polarity face each other, end supports (12, 13) for supporting the magnets from both ends in the row direction, and a cushioning material (16). The cushioning material (16) is sandwiched between the end support (12) and the magnet (20c) in a state of being compressed by stress exceeding the repelling force between the magnetic-polar faces of the magnets, and acts against the repelling force to dispose the magnets (20a-20d) in serial fashion without gaps.
H02K 35/02 - Génératrices avec système de bobines, aimant, induit, ou autre partie du circuit magnétique à mouvement alternatif, oscillant ou vibrant avec des aimants mobiles et des systèmes de bobines fixes
An Ultrasonic motor (10) is provided with a vibrator (50) and a voltage applying means (oscillation circuit). Each of a first vibrator area (51) and a second vibrator area (52) that compose the vibrator (50) comprises a piezoelectric element polarized in the thickness direction, and an anchoring section (30a) or an anchoring section (30b) respectively. The oscillation circuit makes the first vibrator area (51) and the second vibrator area (52) resonate individually in a surface-expanding direction, by applying an alternating voltage individually to each of the piezoelectric elements. The ultrasonic motor (10) is also provided with a connecting section (55) for connecting vibration end sections (23a, 23b) with each other, and a contact piece (60) formed on the connecting section (55). The vibration end sections (23a, 23b) are portions that vibrate in an abutting/separating direction with respect to the anchoring sections (30a, 30b), respectively, by the resonance of the first vibrator area (51) and the second vibrator area (52) in the face-expanding direction.
Disclosed is a vibration type electromagnetic generator provided with a first pipe (2) which is made of a nonmagnetic material and is hollow, and both end portions of which are closed, a magneto coil (9) which is wound around the first pipe (2) and is provided with solenoid coils (4a-4c), and a movable magnet (3) which is disposed in the first pipe (2) and is capable of being moved along a winding shaft direction of the magneto coil (9). The movable magnet (3) is provided with a plurality of magnets and a magnet fixation unit which is made of a nonmagnetic body and fixes the plurality of magnets, the same poles of which are opposed to each other. Out of the plurality of solenoid coils, the coil length of at least one solenoid coil is set to a length that is equal to or longer than the magnet length of the magnet.
H02K 35/02 - Génératrices avec système de bobines, aimant, induit, ou autre partie du circuit magnétique à mouvement alternatif, oscillant ou vibrant avec des aimants mobiles et des systèmes de bobines fixes
90.
CAPACITANCE TYPE DETECTION DEVICE, SENSOR UNIT, AND CONTROL SYSTEM FOR DETECTING APPROACH OF OBJECT, AND METHOD FOR SAME
Disclosed are a device and a method for accurately detecting an approach of an object to be detected. Specifically, a measurement unit (210) measures the stray capacitances of first and second sensor electrodes (120, 133), and a determining unit (220) calculates average rates of change of the measured stray capacitances with respect to time during a period having a predetermined time length on the basis of the measured stray capacitances. Subsequently, the determining unit (220) determines whether or not an approach detection condition is satisfied, the condition including a predetermined relationship between the magnitude of a predetermined rate of change with respect to time determined in accordance with a combination of the object to be detected and another object that should be discriminated from the object to be detected and the magnitude of the calculated average rates of change with respect to time. The determining unit (220) determines that the object to be detected has approached when the approach detection condition is satisfied.
G01V 3/08 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection
Disclosed are: a composite magnetic material which has a good balance among electric characteristics, magnetic characteristics and chemical characteristics; and a magnetic element using the composite magnetic material. Specifically disclosed is a composite magnetic material which contains a magnetic powder and a binder. The magnetic powder contains, relative to the total weight of the magnetic powder material, not less than 0.25 wt% but not more than 3 wt% of Mn, not less than 1 wt% but not more than 7 wt% of Si and not less than 2 wt% but not more than 8 wt% of Cr, with the balance made up of Fe and unavoidable impurities. The magnetic powder is also characterized in that the ratio of powder particles having a length/breadth ratio of not less than 2 is 5% or less of the total powder particles.
H01F 1/14 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 1/20 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de particules, p. ex. de poudre
H01F 1/26 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées au moyen de substances organiques macromoléculaires
Disclosed is a magnetic element that makes it possible to prevent a coil terminal from being positioned on a ring mount. The magnetic element (10) comprises a first core member (20), coils (30), which are disposed in a second core member (40) and a bobbin (24), and a first mount (52), on which the first core member (20) is mounted, and possesses a second mount (53), which is disposed rising up from, and positioned between both edges of, the first mount (52), and on which the second core member (40) is mounted, and is further equipped with a base (50), with multiple terminals (51) disposed protruding from the sides thereof. Furthermore, a protrusion (56) is disposed at the edge of the second mount (53), extending in the direction moving away from said second mount (53), and this protrusion (56) is smaller than the thickness dimension of the base (50), and a terminal (32) is positioned on the back surface of the protrusion (56) on the opposite side from the side on which the second core member (40) is mounted, and then bound to the terminals (51).
Disclosed is a flat audio transformation device (100), comprising a permanent magnet (10) and a magnetic member (20), which are positioned adjacent to one another with a predetermined interstice therebetween, a planar timbal (30), which is provided facing the permanent magnet (10) and the magnetic member (20), and a plurality of coils (40), which are anchored upon the timbal (30), wherein an oscillation force (F) is obtained upon the timbal (30) by impressing an electrical signal upon the plurality of coils (40), by way of a magnet bundle Φ, which is formed between the pole face (12) of the permanent magnet (10) and the magnetic member (20). The flat audio transformation device (100) further comprises a step (50) between the pole face (12) and the upper surface (22) of the magnetic member (20), and when the electrical signal is not impressed, at least a portion of the winding (42) of the coil (40) is positioned within the step (50).
A variable inductor (10) is provided with: a first coil (1); a second coil (2) which generates a magnetic flux in the direction which cancels a magnetic flux generated by the first coil (1); a movable core (5) which is positioned between the first coil (1) and the second coil (2) and performs an opening/closing operation; and magnetic cores (3a, 3b) which have a closed magnetic path structure having the first coil (1), the second coil (2) and the movable core (5) therein. The magnetic core (3a) is provided with a magnetic core center section (4a) where the first coil (1) is wound thereon, and the second magnetic core (3b) is provided with a magnetic core center section (4b) having the second coil (2) wound thereon.
H01F 21/10 - Inductances ou transformateurs variables du type pour signaux continûment variables, p. ex. variomètres au moyen d'un blindage mobile
H01F 29/12 - Transformateurs ou inductances variables non couverts par le groupe avec noyau, bobine, enroulement ou écran mobile pour compenser une variation de tension ou un déphasage, p. ex. régulateurs d'induction avec bobines, enroulements ou parties de ceux-ci mobilesTransformateurs ou inductances variables non couverts par le groupe avec noyau, bobine, enroulement ou écran mobile pour compenser une variation de tension ou un déphasage, p. ex. régulateurs d'induction avec écran mobile
A coil part (1) is provided with a pot core (2), a coil (10) for generating a magnetic flux when a predetermined current is supplied thereto, and a piezoelectric actuator (15) for changing the position of a movable core section (11) with respect to the coil (10) according to a control signal supplied from outside and causing the magnetic flux of a closed magnetic path that the coil (10) generates to pass through the movable core section (11). The piezoelectric actuator (15) is provided with a piezoelectric element (9) which displaces in parallel to the direction of thickness according to the control signal, a moving body (11) connected to the piezoelectric element (9) and the movable core section (11) and adapted to move the movable core section (11) in response to the displacement of the piezoelectric element (9), and friction drive rod (13) for stopping in a predetermined position the moving body (11) moved by the displacement of the piezoelectric element (9).
H01F 21/06 - Inductances ou transformateurs variables du type pour signaux continûment variables, p. ex. variomètres par déplacement du noyau ou d'une partie du noyau par rapport à l'enroulement ou aux enroulements dans l'ensemble
96.
ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT
An electronic component (10) comprises a wire (12) extending to the opposite side of a lump portion (22) while nipping a terminal abutting portion (30), a metal terminal (20) made of a metal material and having the lump portion (22) including the end (14) of the wire (12), a base portion (flange portion (52)) for supporting the metal terminal (20), and the terminal abutting portion (30) made of an insulating material to abut against at least a part of the surface of the lump portion (22) and molded integrally with the flange portion (52) of a common insulating material. Its manufacturing method is also provided.
H01R 43/02 - Appareils ou procédés spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation de connecteurs de lignes ou de collecteurs de courant ou pour relier les conducteurs électriques pour connexions soudées
A second through hole (22) of a second bobbin (20) is provided with an inserting port (27), into which an extending section (13) of a first bobbin (10) is inserted, on one end section in a direction of an axis line (C2), and a portion within a range of a length (d1) from the inserting port (27) is permitted to be a large hole section (28L). The large hole section (28L) has a size which ensures an air gap on the entire circumference for a length of (d2) between the outer circumferential surface of the extending section (13) inserted from the inserting port (27) and the large hole section, and a creeping distance is permitted to be larger by double the length (d1) of the large hole section (28L) plus the length (d2) of the air gap.
Provided is a rotation angle detecting sensor having a structure for realizing miniaturization. The sensor comprises a rotational body, an encoder structure (3) in which the width dimension of a conductor pattern is periodically changed and n 0 to 360-degree phase cycles (n is a positive number) are generated, and a sensor body (4) which has a plurality of inductance elements (C1, C2, C3, C4) and which is arranged in opposition to the encoder structure (3) with a space therebetween. The number (n) of phase cycles of the encoder structure (3) is an integral number equal to or more than 3. The plurality of inductance elements (C1, C2, C3, C4) each have a 90-degree phase difference. Two adjacent inductance elements are arranged with a space which is at least equal to or more than a half of one phase of the encoder structure (3) therebetween.
G01D 5/245 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant les caractéristiques d'impulsionsMoyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques produisant des impulsions ou des trains d'impulsions utilisant un nombre variable d'impulsions dans un train
[PROBLEMS] To provide a coil device for antenna which can reduce beat. [MEANS FOR SOLVING PROBLEMS] A coil device (10) for antenna comprises a wire-wound coil (16) formed by winding a wire, a magnetic core (17) inserted into the wire-wound coil (16), a conductive connector terminal (13) to which one end of the wire-wound coil (16) is connected, and a packaging terminal (14) having a packaging surface to which the other end of the wire-wound coil (16) is connected. The coil device (10) for antenna further comprises a resin member (15) provided with a main body portion having a mounting surface (19) for mounting the wire-wound coil (16), and a resin (24) applied over the entire surface of the wire-wound coil (16).
H01Q 1/32 - Adaptation pour l'utilisation dans ou sur les véhicules routiers ou ferroviaires
H01F 17/04 - Inductances fixes du type pour signaux avec noyau magnétique
H01F 27/06 - Montages, supports ou suspensions de transformateurs, réactances ou bobines d'arrêt
H01Q 7/06 - Cadres ayant une distribution du courant sensiblement uniforme et un diagramme de rayonnement directif perpendiculaire au plan du cadre avec un noyau en matière ferromagnétique
A vibration electromagnetic generator has a pipe (2) made of a nonmagnetic material, at least one power generation coil (9) wound around the pipe (2), a movable magnet (3) having at least one magnet and placed in the pipe (2), a stretchable first coil spring (5a) and a stretchable second coil spring (5b) secured to at least one end of the pipe (2) and supporting the movable magnet so that the movable magnet can vibrate in the direction of the winding axis of the power generation coil, and a first stopper portion (6a) and a second stopper portion (6b) for limiting vibration of the movable magnet. The stopper portion is formed at at least oneend of the pipe (2), and the position at which the stopper portion and the movable magnet (3) are in contact with each other is located at a position farther from an end, as the start point, of the pipe (2) than the length of the most contracting coil spring.
H02K 35/02 - Génératrices avec système de bobines, aimant, induit, ou autre partie du circuit magnétique à mouvement alternatif, oscillant ou vibrant avec des aimants mobiles et des systèmes de bobines fixes