An inertial sensor and a method therefor. The inertial sensor includes: a first substrate; a medium layer stacked on the first substrate; a first electric-conductive layer stacked on the medium layer, first openings being formed in the first electric-conductive layer and spaced from one another; second electric-conductive layers being bonded to the first electric-conductive layer through bonding structures, a gap being formed between adjacent second electric-conductive layers, which are connected to each other by a connection part, and second openings being formed in each of the second electric-conductive layers and spaced from one another; and a second substrate covering the first substrate, a closed space being formed between the second substrate and the first substrate. Compared with a traditional single-layer structure, the die size is reduced, the manufacturing cost is reduced, and the integration of device into portable consumer applications is improved, and XY axis sensitivity is improved.
G01C 21/16 - Navigation; Instruments de navigation non prévus dans les groupes en utilisant des mesures de la vitesse ou de l'accélération exécutées à bord de l'objet navigant; Navigation à l'estime en intégrant l'accélération ou la vitesse, c. à d. navigation par inertie
B81B 3/00 - Dispositifs comportant des éléments flexibles ou déformables, p.ex. comportant des membranes ou des lamelles élastiques
B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
An MEMS device, including: a substrate having a back cavity; a diaphragm connected to the substrate and covers the back cavity, the diaphragm includes first and second membranes arranged oppositely, and accommodation space is formed therebetween; a counter electrode in the accommodation space and includes annular beams and first spokes, the annular beams are successively arranged at intervals, and the first spokes extend radially outward from an axis of the counter electrode, an end of the first spokes is connected to the substrate, and two adjacent first spokes and two adjacent annular beams jointly form a first through hole; and a support arranged corresponding to the first through hole, and opposite ends of the support are respectively connected to the first and second membranes. This configuration is more sensitive to sound pressure and is conducive to realizing low-noise microphone while optimizing sensitivity.
An MEMS sensor and a method therefor. The MEMS sensor includes a buried electrode layer; a top electrode layer spaced from the buried electrode layer, a cavity being formed between the buried electrode layer and the top electrode layer; and a device layer received the cavity. The device layer includes movable mass blocks spaced from one another, each of which is supported on the buried electrode layer through a respective anchor portion, a preset gap is formed between each movable mass block and the top electrode layer, and the preset gap formed by one of the movable mass blocks is different from the preset gap formed by another one of the movable mass blocks. This structure allows for greater flexibility in design and provides higher sensitivity and larger actuation force on the sensor, and die size reduction is achieved while achieving more complex designs with higher accuracy and miniaturization.
An acoustic resonator and a manufacture method thereof. The acoustic resonator includes: a substrate having cavities; piezoelectric units one by one corresponding to the cavities, the piezoelectric units cover the cavities, and each piezoelectric unit includes a first electrode layer, a piezoelectric layer and a second electrode layer sequentially stacked from bottom to top; a protective layer stacked on the piezoelectric unit; a series unit having one end electrically connected to the first electrode layer of one of the piezoelectric units, and the other end electrically connected to the second electrode layer of another one of the piezoelectric units, so as to connect the two piezoelectric units in series. Compared with the 10 related art, the piezoelectric unit is protected from further risk of damages in subsequent manufacturing processes by providing a protective layer on the piezoelectric unit, so that the acoustic resonator has better Q value and coupling coefficient.
H03H 9/17 - Réseaux comprenant des éléments électromécaniques ou électro-acoustiques; Résonateurs électromécaniques - Détails de réalisation de résonateurs se composant de matériau piézo-électrique ou électrostrictif ayant un résonateur unique
H03H 3/02 - Appareils ou procédés spécialement adaptés à la fabrication de réseaux d'impédance, de circuits résonnants, de résonateurs pour la fabrication de résonateurs ou de réseaux électromécaniques pour la fabrication de résonateurs ou de réseaux piézo-électriques ou électrostrictifs
H03H 9/02 - Réseaux comprenant des éléments électromécaniques ou électro-acoustiques; Résonateurs électromécaniques - Détails
5.
METHOD FOR FABRICATING FILM BULK ACOUSTIC RESONATOR (FBAR), FBAR, AND FILTER
The method for fabricating a FBAR provided according to the present invention includes providing a substrate, forming a dielectric material layer on a surface of the substrate away from the substrate, forming a bottom electrode on a surface of the dielectric material layer away from the substrate, forming a piezoelectric material layer on a surface of the bottom electrode away from the substrate, forming an intermediate metal layer on a surface of the piezoelectric material layer away from the substrate, forming a mass load layer on a surface of the intermediate metal layer away from the substrate, and forming a top electrode on a surface of the mass load layer away from the substrate. In this way, process choices are increased, and flexibility in multiple mass load formation of the FBAR below top electrode and in a filter having the FBARs are increased, thereby improving sensitivity in the filter.
H03H 3/04 - Appareils ou procédés spécialement adaptés à la fabrication de réseaux d'impédance, de circuits résonnants, de résonateurs pour la fabrication de résonateurs ou de réseaux électromécaniques pour la fabrication de résonateurs ou de réseaux piézo-électriques ou électrostrictifs pour obtenir une fréquence ou un coefficient de température désiré
H03H 9/13 - Moyens d'excitation, p.ex. électrodes, bobines pour réseaux se composant de matériaux piézo-électriques ou électrostrictifs
H03H 9/17 - Réseaux comprenant des éléments électromécaniques ou électro-acoustiques; Résonateurs électromécaniques - Détails de réalisation de résonateurs se composant de matériau piézo-électrique ou électrostrictif ayant un résonateur unique
A MEMS device and a method for manufacturing the MEMS device are provided. The MEMS device includes a cap sheet and a device sheet. The device sheet includes a silicon substrate, at least two device structure layers, and at least one conductive structure layer, and each two adjacent device structure layers are coupled via a corresponding conductive structure layer. The device sheet defines a functional cavity having a first region, a second region, and a third region. The at least two device structure layers and the at least one conductive structure layer each are across the first region, the second region, and the third region, and the at least two device structure layers and the at least one conductive structure layer cooperatively form a first movable structure in the first region, define an anchor point in the second region, and form a second movable structure in the third region.
B81B 3/00 - Dispositifs comportant des éléments flexibles ou déformables, p.ex. comportant des membranes ou des lamelles élastiques
B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
G01C 19/5733 - Dispositifs sensibles à la rotation utilisant des masses vibrantes, p.ex. capteurs vibratoires de vitesse angulaire basés sur les forces de Coriolis utilisant des masses planaires vibrantes entraînées dans une vibration de translation le long d’un axe - Details de structure ou topologie
An MEMS diaphragm and an MEMS sensor. The MEMS diaphragm includes: a main diaphragm including a main body sensing portion and beam portions, and the beam portions are connected to an outer edge of the main body sensing portion; an additional material layer provided on the beam portions or provided on both an edge of the main body sensing portion and on the beam portions. The intrinsic tensile stress of the additional material layer is greater than an intrinsic tensile stress of the main body sensing portion. An additional material layer is provided, which mechanically reinforces the diaphragm region experiencing high stress during a pressure pulse, and the intrinsic tensile stress of the additional material layer is greater than the main body sensing portion, thereby ensuring the compliance of the main diaphragm.
An acoustic transducer includes: substrate including first silicon layer, first oxide layer and second silicon layer, back chamber is formed therethrough; second oxide layer on the substrate; piezoelectric unit on the second oxide layer and including first electrode layer, piezoelectric layer and second electrode layer; slit and opening formed in the second electrode layer; metal pad stacked on the first electrode layer at the opening; and additional film layer including first and second parts, the first part is lay on the second electrode layer and covers the slit, and the second part is lay on the metal pad, through slot is formed penetrating the second part to expose the metal pad. Compared with the related art, additional film layer is formed by vapor deposition, and the piezoelectric unit can vibrate with maximum displacement and lowest restriction, thereby effectively improving SPL and structural reliability, which is suitable for larger acoustic transducers.
A loudspeaker assembly and a hand-held device are provided. The loudspeaker assembly includes at least one loudspeaker driver and at least two output ports. The at least one loudspeaker driver and the at least two output ports are configured so that the loudspeaker assembly has a directive polar pattern over a desired frequency range.
H04R 1/24 - Combinaisons structurelles de transducteurs séparés ou de parties du même transducteur et sensibles respectivement à plusieurs bandes de fréquences
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
H04R 3/12 - Circuits pour transducteurs pour distribuer des signaux à plusieurs haut-parleurs
The present invention provides a speaker module for a mobile terminal provided with a sound output port. The speaker module includes a speaker box. The speaker box includes a first sound output opening and a second sound output opening. A speaker module also includes a first horn barrel and a second horn barrel. The first horn barrel and the second horn barrel are arranged asymmetrically with respect to the speaker box. The speaker module in the present invention realizes the multi-order coupling of the resonance peak, which not only improves the high-frequency performance, but also widens the frequency band range, and at the same time, reduces the manufacturing cost.
H04R 1/30 - Combinaisons de transducteurs avec des pavillons, p.ex. avec des moyens d'équilibrage mécanique
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
The invention provides a speaker module for a mobile terminal provided with a sound output port. The speaker module includes a speaker box, and the speaker box includes a sound output opening. The speaker module also includes a horn barrel connected with the sound output opening. The sound output opening includes a first sound output opening and a second sound output opening. Compared with the related art, the present invention can realize multi-level resonance, small size, convenient to widen the frequency band range and easy to adapt to the mobile terminal.
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
The invention provides a speaker module for a mobile terminal with a sound output port. The speaker module includes a speaker box. The speaker box includes a sound output opening for side surface sound. The speaker module also includes a horn barre. The horn barrel has openings arranged at both ends. A sectional area along the sound output direction of the horn barrel changes gradually. By designing a variable sectional surface with different areas or lengths and widths on the horn barrel for stakeout, the size of the variable sectional surface is directly related to the sound quality of each part of the horn barrel. The horn barrel widens the frequency band range. Compared with the related art, the present invention can realize multi-level resonance, has a small volume, is convenient to widen the frequency band range and has flexible avoidance space.
H04R 1/30 - Combinaisons de transducteurs avec des pavillons, p.ex. avec des moyens d'équilibrage mécanique
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
A MEMS microphone, includes a substrate with a back cavity, and a capacitive system arranged on the substrate, the capacitive includes a back plate and a diaphragm, a reinforcing portion is located between the diaphragm and the substrate, a projection of an inner surface of the reinforcing portion along a vibration direction of the diaphragm is flush with an inner surface of the back cavity or located in the back cavity, the reinforcing portion includes an etched barrier wall and a sacrificial layer located within the etched barrier wall. Compared with the related art, the MEMS microphone disclosed by the present disclosure could improve the reliability.
A MEMS optical microphone includes: a housing including an inner cavity and a sound port communicating the inner cavity with outside, a light source configured to emitting a light beam, a MEMS module including a membrane suspended above the sound port, and a first reflective coating coated on a surface of the membrane facing the light source and configured to reflect the light beam; a light detection unit configured to detecting light reflecting from the first reflective coating, including a photo detector configured to convert light intensity into photo current, and an optical filter with a variable transmittance hoisted above the photo detector. The MEMS optical microphone has wider dynamic range and higher sensitivity.
A microphone chip and a microphone. The microphone chip includes: a base including an inner cavity; a diaphragm including a diaphragm inner part and a diaphragm outer part that are connected to the diaphragm inner part, the diaphragm being supported on the base by means of the diaphragm outer part, and the diaphragm inner part being arranged to be opposite to the inner cavity; and a limiting member supported on the base and located at two opposite sides of the diaphragm along a vibration direction of the diaphragm, the limiting member being spaced apart from the diaphragm, and the limiting member being configured to limit an amplitude of the diaphragm inner part. When the diaphragm inner part moves to a certain displacement, the limiting member can limit further movement of the diaphragm inner part, thereby reducing a damage risk caused by excessive displacement of the diaphragm under high sound pressure.
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
H04R 7/16 - Dispositions pour monter ou pour tendre des membranes ou des cônes
H04R 7/26 - Amortissement par des moyens agissant directement sur la partie libre de la membrane ou du cône
16.
METHOD FOR CONVERTING NEURAL NETWORK, ELECTRONIC DEVICE AND STORAGE MEDIUM
A method for converting neural network, applied to a terminal device, including: initializing a decision tree, and setting a root of the decision tree; and branching leafs from the root of the decision tree based on effective filters of the neutral network as a decision rule, until all effective filters of the neutral network are covered by the decision tree. The neutral network is a piece-wise linearly activated neutral network. In this method, the neutral network is converted as decision trees and is explained based on the decision trees, so as to solve the black-box problem of the neutral network.
The present invention provides a speaker box including a housing, a sound unit and a magnetic circuit coupling valve. The sound unit includes a bracket, a vibration system and a magnetic circuit system including a secondary magnet. The housing includes a bottom cover having leakage holes. The magnetic circuit coupling valve is accommodated in a rear cavity and includes a support, a negative stiffness diaphragm and a coil. The negative stiffness diaphragm faces to the leakage holes. The coil receives an external control signal and generates an electromagnetic field with the secondary magnet to drive the negative stiffness diaphragm to seal the leakage holes, or make the leakage holes open, or make the leakage holes partially open or closed. Compared with a related technology, the speaker box has fine acoustic performance and is able to accurately control communication of a rear cavity with the outside.
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
H04R 7/18 - Dispositions pour monter ou pour tendre des membranes ou des cônes à la périphérie
H04R 9/02 - Transducteurs du type à bobine mobile, à lame mobile ou à fil mobile - Détails
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 9/04 - Structure, montage ou centrage de bobine
The present invention discloses a system for protecting a MEMS product from an ESD event, including, a control circuit; a MEMS product, electrically connected with the control circuit; an ESD protection device, electrically connected with the control circuit, and electrically connected with the MEMS product in parallel; wherein, the ESD protection device comprises: a top electrode assembly electrically connected with the control circuit; a flexible beam comprising a first electrode layer electrically connected with the control circuit, a second electrode layer electrically connected with the MEMS product, and a moving metal contact electrically connected with the second electrode layer; a bottom electrode assembly having a bottom electrode layer electrically connected with the MEMS product and a fixed metal contact electrically connected with the bottom electrode layer and facing the moving metal contact.
The present invention relates to the field of semiconductor technology and provides a method for forming an MEMS cavity structure, which can improve process yield for MEMS integration and encapsulation for functional stability and reliability of the MEMS structure. The method includes steps of: forming an adhesion material layer on a bottom layer; forming a bottom layer on a substrate; forming a adhesion material layer on the bottom layer; forming a support structure and a sacrificial layer that is filled in a space surrounded by the support structure on the adhesion material layer; forming a capping layer on the support structure and the sacrificial layer, and the bottom layer, the support structure and the capping layer together defining a cavity; and releasing the sacrificial layer and the adhesion material layer to form the cavity structure.
Provided are an electrical interconnection structure, an electronic apparatus and manufacturing methods therefor, which can provide a reliable electrical interconnection structure between the MEMS apparatus and an external circuit while sealing and encapsulating the MEMS device. The electrical interconnection structure includes: a bonding metal; a first dielectric layer and a second dielectric layer. The first dielectric layer includes a first through hole penetrating the first dielectric layer and exposing the bonding metal. The first through hole is filled with a first conductive material electrically connected to the bonding metal. The second dielectric layer includes a second through hole. An orthographic projection of second conductive material in the second through hole covers an orthographic projection of first conductive material in the first through hole onto the plane of the base. The second through hole is filled with a second conductive material electrically connected to the first conductive material.
A MEMS switch includes: a housing, a switching assembly; a first actuation electrode, a first contact, a second contact, and a second actuation electrode. The switching device has a stress gradient along the thickness direction, such that in response to applying no voltage between the first actuation electrode and the second actuation electrode, the switching assembly contacts with the first contact. In response to applying a first voltage between the third actuation electrode and the fourth actuation electrode, the switching assembly is driven to deflect such that the switching assembly is spaced apart from both the first contact and the second contact. In response to applying a second voltage between the third actuation electrode and the fourth actuation electrode, the switching assembly is driven to deflect such that the switching assembly contacts with the second contact. The first voltage is smaller than the third voltage.
Provided is a speaker box, which includes a first damping member fixed to the housing and covering the sound outlet, and a second damping member fixed in the receiving space and fixed to the housing. The second damping member, the base and/or the cover define an extension cavity in communication with the front acoustic cavity. When the speaker produces sound, the extension cavity stabilizes frequency response variation caused by variation in the dynamic height of the air space. When the diaphragm of the speaker is at the lowest and highest positions of the air space, the variation in the final acoustic frequency response of the speaker box is always small, and the final acoustic frequency response of the speaker is also small. Thus, the intermodulation distortion of speakers in mobile devices or other thin devices can be reduced, and a sound quality of the speaker box can be improved.
The present invention discloses a screen sounding exciter and an electronic device. The screen sounding exciter includes a first magnetic circuit system, an electromagnetic driving system, and a second magnetic circuit system which are sequentially arranged along a vibrating direction of the display screen from top to bottom, and an elastic member, the electromagnetic driving system includes a first electromagnet, a second electromagnet, and a magnetic conductive shell isolating a bottom of the first electromagnet from a top of the second electromagnet; a top of the first electromagnet is spaced apart from a bottom of the first magnetic circuit system to form a first vibrating gap; a bottom of the second electromagnet is spaced apart from a top of the second magnetic circuit system to form a second vibrating gap.
The present invention discloses a speaker device. The speaker device comprises a speaker box, a heat source, and a heat conducting member; the speaker box comprises a housing, a speaker, a sound-guiding channel, and a heat conducting plate; the speaker includes a diaphragm, the first receiving space is divided into a front sounding chamber and a back chamber, and the sound-guiding channel communicates the front sounding chamber with the outside and forms a front chamber together with the front sounding chamber; the housing having an opening penetrating therethrough, the opening communicates with the front chamber, and the heat conducting plate covers on the opening, an adjusting hole penetrates through the housing and communicates with the back chamber; an valve covers on the adjusting hole and a controller for outputting a control signal to control the valve to open or to close.
H04R 9/02 - Transducteurs du type à bobine mobile, à lame mobile ou à fil mobile - Détails
H04M 1/02 - Caractéristiques de structure des appareils téléphoniques
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 1/34 - Dispositions pour obtenir la fréquence désirée ou les caractéristiques directionnelles pour obtenir la caractéristique directionnelle désirée uniquement en utilisant un seul transducteur avec des moyens réfléchissant, diffractant, dirigeant ou guidant des sons
The present disclosure provides a sound generating device, which includes a frame, a vibration system, and a magnetic circuit system. The vibration system includes a membrane, a dome, and an air-permeable isolating piece. The membrane is fixed to the frame and configured to define an inner sound generating cavity together with the frame and the magnetic circuit system. The vibrating membrane includes a vibrating part, a suspension, and a fixing part, the vibrating part defining a first through hole communicated with the inner sound generating cavity. The dome is attached to a side of the vibrating part, and the dome defines a second through hole communicating with the first through hole. The air-permeable isolating piece is attached to a side of the dome, and a side of the air-permeable isolating piece is sunken to form a leakage groove communicating with the second through hole.
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
The present disclosure provides a sound generating device, which includes a frame, a vibration system, and a magnetic circuit system. The vibration system includes a membrane and a dome. The membrane includes a vibrating part, a suspension, a fixing part, and a first through hole, the frame, the membrane, and the magnetic circuit system form an inner sound cavity communicated with the first through hole. The dome is fixed to the vibrating part, and includes a first body layer, a second body layer, and an air-permeable isolating piece sandwiched between the first body layer and the second body layer. The first body layer defines a second through hole communicating with the first through hole, the second body layer defines a third through hole communicating with the second through hole. The air-permeable isolating piece covers the second through hole and the third through hole.
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
H04R 9/02 - Transducteurs du type à bobine mobile, à lame mobile ou à fil mobile - Détails
The present application discloses a screen sounding system having a screen, an exciter for driving the screen, and a magnetic element fixedly connected with the screen. The exciter includes a housing with an accommodation space and a magnet arranged in the accommodation space. The housing is fixed on the magnetic element through magnetic attraction force between the magnet and the magnetic element. Compared with the related art, the screen sounding system disclosed by the present application facilitates removal and installation of the exciter. The position of the exciter can be adjusted through slip. Meanwhile, the magnetic element can avoid an influence on the screen caused by a magnetic field of the exciter.
The disclosure discloses a signal equalization method including: step S10: calculating an motor excitation signal according to an expected target acceleration signal; step S20: obtaining the output voltage according to the motor excitation signal, and setting the maximum output voltage of the signal power amplifier as voltage threshold; step S30: judging whether the output voltage is less than the voltage threshold. The technical proposal of the disclosure obtains a motor excitation signal and an output voltage by calculating an expected target acceleration signal, then compares the output voltage with the maximum output voltage of a signal power amplifier, improving the security of output voltage; according to the voltage peak area reduction method, the output voltage and the maximum operating displacement threshold of the motor are calculated to obtain a more safe output voltage.
H02P 25/032 - Moteurs à mouvement alternatif, oscillant ou vibrant
G01P 15/097 - Mesure de l'accélération; Mesure de la décélération; Mesure des chocs, c. à d. d'une variation brusque de l'accélération en ayant recours aux forces d'inertie avec conversion en valeurs électriques ou magnétiques au moyen d'éléments vibrants
The present invention provides a speaker box having an upper cover, a lower cover mated with the upper cover to form an accommodation space and a speaker unit accommodated in the accommodation space. The speaker box also includes an elastic piece electrically connected to the speaker unit and a flexible circuit board electrically connected to the elastic piece. One end of the elastic piece is connected to the speaker unit and the other end is bent and extended to the extension part. The flexible circuit board is connected to the elastic piece on the extension part and extends out of the accommodation space. The speaker box provided by the present invention can smoothly draw out the flexible circuit board to the position of the feed point, thereby effectively ensuring the communication between the flexible circuit board and the external circuit.
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
The invention provides a sounding device. The sounding device comprises a housing body with an accommodating space, a one-way inlet valve and a one-way outlet valve. A speaker unit partitions the accommodating space into a front cavity and a back cavity. The one-way inlet valve communicates the outside and the back cavity and is used for introducing air into the back cavity. The one-way outlet valve communicates the back cavity and the outside and is used for discharging the air in the back cavity outside. A first through hole communicating the outside and the back cavity is formed in the housing body. The invention also provides a mobile terminal. Compared with the related art, the sounding device and the mobile terminal of the invention have better reliability and better performance.
H04M 1/02 - Caractéristiques de structure des appareils téléphoniques
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
31.
Method for compensating signal of motor, electronic apparatus and storage medium
A method for compensating a signal of a motor includes acquiring an original signal and nonlinear parameters of the motor; calculating a compensation signal for the original signal according to the acquired nonlinear parameters; and loading the calculated compensation signal into the motor to excite the motor to vibrate. An electronic apparatus and a storage medium are also provided. In this method, the original excitation signal is compensated for nonlinearity according to the nonlinear motor parameters, and is then used for exciting the motor. Therefore, the actual vibration effect can be closer to the expected effect as designed, which can bring more desirable tactility experience.
G05B 19/404 - Commande numérique (CN), c.à d. machines fonctionnant automatiquement, en particulier machines-outils, p.ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'u caractérisée par des dispositions de commande pour la compensation, p.ex. pour le jeu, le dépassement, le décalage d'outil, l'usure d'outil, la température, les erreurs de construction de la machine, la charge, l'inertie
A method for constructing a motor vibration model is provided. In this method, a first condition combination and a second condition combination in a game scene and vibration effects corresponding to the condition combinations are received, the vibration effects including a vibration type and a vibration amplitude. The first condition combination, the second condition combination and the corresponding vibration effects may be digitally processed, respectively. A vibration type model may be constructed according to the first condition combination and the vibration type that have been digitally processed, and a vibration amplitude model may be constructed according to the second condition combination and the vibration amplitude that have been digitally processed. The vibration type model and the vibration amplitude model jointly constitute the motor vibration model. A game-scene-based haptics implementation method, an electronic device and a computer-readable storage medium are also provided.
The present application discloses a mobile terminal, which comprises a flexible screen, a middle frame matched with the flexible screen to form an accommodation space, an exciter fixed on the middle frame, a support layer clamped between the flexible screen and the middle frame, and a steel sheet at least covering a sound generation area, wherein an area, in which the support layer is not arranged, on the flexible screen forms the sound generation area; and the exciter is fixed on the steel sheet to drive the sound generation area to generate sound through vibration. The sound generation area of the flexible screen is driven by the exciter to generate the sound, so that the mobile terminal provided by the present invention has a better sound generation effect compared with the related art.
A method for adaptive motor control includes acquiring current parameters in an operation process of the motor at a current moment; determining a type of a region in which the motor operates at the current moment according to the current parameters; triggering a corresponding motor model according to the type of the region in which the motor operates at the current moment; and inputting the current parameters into the corresponding motor model, generating control parameters for motor operation according to the current parameters, and controlling the operation of the motor according to the control parameters for motor operation. An apparatus and a computer-readable storage medium are also disclosed. In comparison with the conventional motor control which uses the single nonlinear model, the motor control method disclosed herein can greatly improve the reliability of the control.
H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p.ex. constante de temps du rotor, flux, vitesse, courant ou tension
G05B 13/04 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
G06F 17/13 - Opérations mathématiques complexes pour la résolution d'équations d'équations différentielles
H02P 23/00 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par un procédé de commande autre que la commande par vecteur
35.
Game controller, and vibration method and vibration apparatus for game controller
A game controller, a vibration method and an apparatus for a game controller are provided. In the vibration method, current scene information on a terminal screen is acquired. When the current scene information contains a vibration event, event coordinates are acquired corresponding to the vibration event. A target motor identifier is determined according to the event coordinates. A motor corresponding to the target motor identifier is controlled to vibrate. A terminal device and a computer-readable storage medium are also disclosed. The players can obtain game scene information according to vibration sensations, and make quick and accurate judgments and responses accordingly, so that the game controller not only serves as an input device for game control, but it also serves as an output device for feeding back game information to the players, thus improving the gaming experience for the players.
A motor vibration method and a motor vibration device are provided. The motor vibration method includes: receiving a vibration instruction, and acquiring target environmental data by a preset sensor, wherein the target environmental data includes one or more of environmental noise data, acceleration data and/or pressure data; determining a first vibration signal according to the target environmental data; generating a target vibration signal according to the first vibration signal and a preset second vibration signal, wherein a first frequency of the first vibration signal is greater than a second frequency of the second vibration signal; and controlling the motor to vibrate according to the target vibration signal. The method combines a traditional vibration reminding effect and a sound reminding effect provided by adding the medium- and high-frequency signal, thereby enhancing the reminding efficiency by means of motor vibration and increasing the successful rate of message delivery.
H02P 25/032 - Moteurs à mouvement alternatif, oscillant ou vibrant
G10L 25/18 - Techniques d'analyses de la parole ou de la voix qui ne se limitent pas à un seul des groupes caractérisées par le type de paramètres extraits les paramètres extraits étant l’information spectrale de chaque sous-bande
G10L 25/51 - Techniques d'analyses de la parole ou de la voix qui ne se limitent pas à un seul des groupes spécialement adaptées pour un usage particulier pour comparaison ou différentiation
H01H 3/00 - Mécanismes pour actionner les contacts
The invention provides an antenna element and a manufacturing method of the antenna element. The antenna element includes a main body and a feeding board. The main body has an insulation bracket and a conductive layer by way of electroplating or lasering. The insulation bracket includes a base, first support legs and second support legs. The conductive layer includes a radiation layer covering the top surface, a coupling layer covering the bottom surface and coupled to the radiation layer, a feeding column layer covering the outer surface of each first support leg and a branch layer covering the outer surface of each second support leg. By virtue of the configuration, it is unnecessary to assemble the main body additionally, so that the consistency of the antenna element is improved.
The present disclosure provides an antenna module and a mobile terminal. The antenna module includes a dielectric block and a radiation patch. The dielectric block is a polyhedron, the radiation patch is attached to a plurality of surfaces of the dielectric block, and the radiation patch is provided with a feed point and a ground point. The mobile terminal is provided with several antenna modules described above. The antenna module provided in the present disclosure attaches the radiation patch to the plurality of surfaces of the dielectric block with a polyhedral structure, thereby reducing an overall volume of the antenna module while increasing an effective radiation area of the radiation patch and enhancing radiation performance of the antenna module.
The present invention provides a speaker having a vibrating system and a magnetic circuit system for driving the vibrating system to vibrate and sound. The magnetic circuit system has magnetic gap. The vibrating system includes vibrating assembly and voice coil assembly connected to the vibrating assembly, the voice coil assembly is inserted into the magnetic gap. The magnetic circuit system has a magnetic line concentrating area in the magnetic gap. The voice coil assembly includes a first voice coil connected to the vibrating assembly and a second voice coil arranged on the first voice coil at a side away from the vibrating assembly. if in the magnetic line concentrating area locates only the first voice coil, an electric signal is input only to the first voice coil; if in the magnetic line concentrating area locates only the second voice coil, electric signal is input only to the second voice coil.
The present invention provides a heat dissipation device having a speaker box, a heating element and a heat conductor. The speaker box includes a housing having sound outlet hole and a speaker unit housed in the housing. The speaker unit includes a diaphragm. The heat conductor includes a first heat conductor and a second heat conductor; the first heat conductor includes a heat conductive part, a heat conductive part, and an extensional heat conductive part. The second heat conductor is connected to the extensional heat conductive part at one end and to the heating element at the other end. The heat conductor of the present invention introduces the heat generated by the heating element into the front cavity and transfers the heat through the air in the front cavity to the outside of the sound outlet hole, with a high heat dissipation efficiency.
The invention provides a sounding device having a housing body with a containment space, a sound outlet formed in the housing body, a speaker unit fitted in the housing body, an intake valve that communicates the outside with the front cavity and that is used for introducing air into the front cavity, and an unidirectional outlet valve that communicates the front cavity with the outside and discharges air in the front cavity to the outside through the sound outlet. The speaker unit separates the containment space into a front acoustic cavity and a back cavity, the sound outlet is communicated with the front acoustic cavity and forms a front cavity together. The invention also provides a mobile terminal. Compared with the related art, the sounding device and the mobile terminal of the invention have better reliability and better performance.
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 1/32 - Dispositions pour obtenir la fréquence désirée ou les caractéristiques directionnelles pour obtenir la caractéristique directionnelle désirée uniquement
The present application provides a speaker box device having a speaker box, a heating element and a heat conductor. The speaker box includes a housing body and a speaker unit provided with a diaphragm. The heat conductor includes a first end part connected to the heating element, a second end part and a connection part connecting the first end part to the second end part. Heat of the heating element is discharged by means of an air cooling effect, so that the heat dissipation efficiency of the speaker device is ensured.
The present application discloses a speaker device including a speaker box, a heating element and a heat conductor. The speaker box comprises a housing and a speaker unit provided with a diaphragm arranged in the housing. The housing comprises a plastic member provided with a through hole and a metal clamping plate. The housing further comprises a sound outlet channel jointly forming a front cavity with a front acoustic cavity. Heat transferred by the heat conductor is conducted to the front cavity, and heat dissipation of the heating element is achieved by means of an air cooling effect formed by air flow in the front cavity.
An in-vehicle independent sound field system and control system based on mini-speakers are provided. The system includes a mini-speaker array installed in front of a user and a mini-speaker installed near the user's ear. Each mini-speaker is provided with a coupling rear cavity, and the mini-speaker near the user's ear is provided with a sound guide front cavity. A controller is provided to control the mini-speaker array to perform an intermediate-and-high frequency directional replay, and control the mini-speakers near the user's ear to perform low-frequency replay and autonomous counterbalance, to solve the problem that a speaker array cannot be installed with a traditional in-vehicle speaker size and that a low-frequency effect is bad when merely using a speaker array to control sound direction, Besides, when different sources are being played, they rarely interfere with each other, thereby improving personalized requirements for sound and user experience of users in a vehicle.
H04R 1/40 - Dispositions pour obtenir la fréquence désirée ou les caractéristiques directionnelles pour obtenir la caractéristique directionnelle désirée uniquement en combinant plusieurs transducteurs identiques
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
The present invention provides a heat dissipation device having a speaker box, a heating element and a heat conductor. The speaker box includes a housing having a sound outlet hole and a metal embedding member embedded in the housing. The speaker unit includes a diaphragm. The heat conductor is connected to the heating element. In the present invention, the heat conductor transfers the heat generated by the heating element to the metal embedding member, the metal embedding member conducts heat to the outside of the sound outlet hole through the air in the front cavity.
The present application discloses a heat dissipation device. The heat dissipation device includes a heating element, a sounding device and a heat conductor. The speaker unit includes a diaphragm separating the accommodation space into a front cavity and a back cavity. The housing body is provided with first sound outlet holes communicating to the front cavity. Heat generated by the heating element is transferred outside along with an air flow in the front cavity. The heat dissipation device provided by the present application has the advantages of being good in heat dissipation effect and exquisite and compact in structure and capable of meeting the demand of miniaturization of the heat dissipation device.
The present application discloses a speaker device including a speaker box, a heating element and a heat conductor. The speaker box includes a front acoustic cavity and a back cavity. A housing includes a plastic member with a through hole and a metal clamping plate. The heat conductor includes a first end connecting with the heating element and a second end connecting with the extension part and a connection part. The heat conducted by the heat conductor is transferred by air flow in the front acoustic cavity to realize the heat dissipation of the heating element.
The invention relates to a sounding device having a first housing body with a first accommodation space, and a speaker box accommodated into the first housing body. The speaker box includes a second housing body with a second accommodation space, and a speaker unit accommodated in the second housing body. The speaker unit divides the second accommodation space into a front acoustic cavity. The sounding device further comprises a one-way intake valve. The speaker box, serving as a fan in a mobile terminal, pushes air circulation inside and outside the mobile terminal, thereby achieving a heat dissipation effect and facilitating internal cooling of the mobile terminal.
H04R 9/02 - Transducteurs du type à bobine mobile, à lame mobile ou à fil mobile - Détails
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
A vibration sounding device includes a panel, and an electromagnetic driver attached to the panel and configured to drive the panel to vibrate and sound. The electromagnetic driver includes a housing, a driving unit received in the housing, and a cover. The cover is attached to the panel. The driving unit includes a coil assembly mounted to the cover and a pair of magnet assemblies mounted to the housing. The coil assembly includes a coil defining an axial direction around which the coil is wound. The pair of magnet assemblies is located at opposite sides of the coil assembly with gaps formed therebetween in the axial direction. The electromagnetic driver includes a first elastic member configured to support the coil assembly in the housing. The first elastic member is connected between the coil assembly and the housing and configured to provide an elastic supporting force for the coil assembly.
Provided is a PCB antenna, including PCB substrate, first and second radiating portions, the first radiating portion includes first radiator, second and third radiators extending therefrom to form feeding groove; the second radiating portion includes fourth radiator, fifth and sixth radiators extending therefrom, seventh radiator, eighth and ninth radiators extending therefrom, and tenth and eleventh radiators symmetrically arranged, the fifth radiator extends to the feeding groove; the sixth radiator extends in opposite direction of the fifth radiator; the seventh radiator extends in the direction of the sixth radiator and forms second slot therewith; the eighth radiator extends in opposite direction of the seventh radiator; third slot is formed between the tenth radiator and the second radiator, fourth slot is formed between the eleventh radiator and the third radiator. The PCB antenna provided can enhance medium and high frequency resonance and provide full-band omnidirectional antenna design under 4G demand.
H01Q 21/30 - Combinaisons d'unités d'antennes séparées, fonctionnant sur des bandes d'ondes différentes et connectées à un système d'alimentation commun
H01Q 1/24 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
The present invention provides a linear vibration motor, including a housing having an accommodating space, a vibrator disposed in the accommodating space, and a coil fixed in the housing and driving the vibrator to move. The vibrator includes a magnetic circuit system. The linear vibration motor further includes a restoring assembly fixed to the housing. The restoring assembly is made of magnetic steel and is magnetized along a direction perpendicular to a direction in which the vibrator moves. Compared with an existing spring structure, in the linear vibration motor of the present disclosure, a magnetic interaction force is formed between a restoring assembly and a vibrator to restore a vibrator. In this way, an anti-humidity and anti-high-temperature effect of the restoring assembly is improved by replacing an interaction force of a spring with a magnetic interaction force.
H02K 33/02 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des induits entraînés dans un sens par application d'énergie à un système à une seule bobine et ramenés par une force d'origine mécanique, p.ex. par des ressorts
B06B 1/04 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique fonctionnant par électromagnétisme
H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
H02K 41/035 - Moteurs à courant continu; Moteurs unipolaires
52.
Method and apparatus for displaying information of motor, and computer device
A method and an apparatus for displaying information of a motor are provided. The method includes: acquiring a target category identifier of a target motor; determining a category parameter interface according to the target category identifier, and displaying the category parameter interface, wherein the category parameter interface displays a category parameter tag that prompts a user to enter parameter information corresponding to the category parameter tag; acquiring target parameter information entered by the user via the category parameter interface; and obtaining target display information corresponding to the target category identifier according to the target parameter information, and displaying the target display information.
G01H 11/06 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores par détection des changements dans les propriétés électriques ou magnétiques par des moyens électriques
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
G07C 3/00 - Enregistrement ou indication de l'état ou du fonctionnement de machines ou d'autres appareils à l'exclusion des véhicules
A linear vibration motor includes a housing with a receiving space, a vibrator received in the receiving space, a coil for driving the vibrator to vibrate, a guide member for guiding movement of the vibrator, and a recover assembly fixed to a side of the vibrator. The vibrator includes a magnetic circuit system with first and second magnets. The recover assembly is closed to the first magnet. A magnetic polarity of an end of the magnetic recovery assembly facing the vibrator is reverse to that of an end of the first magnet away from the second magnet. When the vibrator is in an equilibrium position, a centroid of the vibrator is located between the magnetic recovery assembly and the coil. Magnetic force between the magnetic recovery assembly and the magnetic circuit system provides recovery force for the vibrator, thereby realizing large-stroke vibration.
H02K 33/16 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des induits polarisés se déplaçant dans des directions opposées par inversion de la tension appliquée au système à une seule bobine
H02K 7/08 - Association structurelle avec des paliers
The present invention provides a base station antenna, which includes a plurality of radiating unit arrays, a plurality of feeding modules, and a calibrating module. Each radiating unit array includes a plurality of radiating units. Each feeding module includes a power division network and a radio frequency inlet, the power division network is configured for allocating an input power from the radio frequency inlet to each radiating unit of the radiating unit array. The calibrating module includes a plurality of directional couplers and combiners, a coupling end of each directional coupler connected with the radio frequency inlet is defined as a coupler input terminal, a coupling end of each directional coupler connected with the combiner is defined as a coupling terminal, and the calibrating module is configured for monitoring and comparing signal amplitudes and phases of each of the radio frequency inlets.
H01Q 1/24 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
H01Q 5/35 - Alimentation simultanée en plusieurs points
H01Q 3/26 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante
H01Q 3/36 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante faisant varier la phase par des moyens électriques avec des déphaseurs variables
H01Q 21/08 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles les unités étant espacées le long du trajet rectiligne ou adjacent à celui-ci
A sounding device includes a first housing having a first receiving space with a first opening end; a second housing disposed opposite to and spaced apart from the first housing, the second housing having a second receiving space with a second opening end facing the first opening end, the second housing comprising an end wall opposite to the second opening end; a magnetically conductive core received in the second receiving space and fixed to the end wall; a coil received in the second receiving space and wound around the magnetically conductive core; a first magnet received in the first receiving space; a second magnet received in the second receiving space, the second magnet being located at outside of the coil and spaced apart from the coil; and a third magnet received in the first receiving space and disposed on a peripheral side of the first magnet.
An exciter includes a first yoke having a first accommodation space with a first open end, a second yoke having a second accommodation space with a second open end which faces the first open end, the second open end being spaced from the first open end in a vibration direction. The exciter further includes a first magnetic member accommodated in the first accommodation space, a magnetic core and a coil accommodated in the second accommodation space, the coil wound around the magnetic core, a second magnetic member accommodated in the second accommodation space and located at outside of the coil, and a copper tube wound around the magnetic core and sandwiched between the magnetic core and the coil. The copper tube is capable of suppressing the high frequency impedance of the coil and therefore improves the high frequency performance and the reliability of the exciter.
A screen sound generation device includes a screen configured for vibrating and generating sound, an exciter configured for driving the screen to vibrate and generate sound, and a middle frame configured for receiving and fixing the screen and the exciter. The vibration direction of the exciter is perpendicular to the screen. The screen sound generation device further includes a fixing part by which the exciter is detachably fixed to a side of the screen. The fixing part includes a limit block with a threaded hole therein and a steel sheet attached to the screen, the limit block is fixed to the steel sheet, and the exciter is fixed to the steel sheet by a connecting structure with threads. The screen sound generation device according to the present disclosure provides a flexible assembly method, a reduced difficulty of assembly and an improved working efficiency.
The invention provides a screen sounding device, including a frame; a screen installed on the frame; and a driving device arranged between the frame and the screen for driving the screen to generate sound. The driving device includes a magnetic circuit system fixed on the screen and an electromagnet for driving the magnetic circuit system. The magnetic circuit system includes a connection covering plate fixed on the screen and a magnet fixed on a side of the connection covering plate away from one of the screen, and the magnet is arranged around the electromagnet. By virtue of the configuration, the driving force is greater and the sound performance is improved.
The present application provides an antenna assembly and an electronic device. The antenna assembly includes a plastic housing, a frame body and a circuit board arranged in the frame body, wherein the frame body includes a middle frame and an outer metal frame surrounding the edge of the middle frame and connected with the middle frame. The plastic housing covers the outer side of the outer metal frame. A number of gaps are arranged on the outer metal frame. The present application can randomly set the positions of the gaps as described in requirements of an antenna structure, then the performance of the antennas can be ensured, and the attractiveness is not affected.
The present invention discloses an antenna including a frame body and a circuit board arranged in the frame body. The frame body includes a middle frame and an outer metal frame surrounding the edge of the middle frame and connected to the middle frame. The outer metal frame includes a first side frame, a second side frame, a third side frame and a fourth side frame. The circuit board is provided with a feeding part and a switch circuit which are electrically connected with the third side frame. The third side frame and the middle frame are arranged at an interval to form a first gap; a second gap is arranged between one end of the second side frame near the third side frame and the middle frame. BY virtue of this configuration the radiation efficiency of the antenna is accordingly improved.
Provided is a PCB antenna, including a PCB substrate, first and second radiating portions, the first radiating portion includes a first radiator, second and third radiators extending therefrom to form a feeding groove, and first and second openings provided on the second and third radiators; the second radiating portion includes a fourth radiator and fifth and sixth radiators extending therefrom, a seventh radiator and eighth and ninth radiators extending therefrom, tenth and eleventh radiators symmetrically extending from the fourth radiator to the seventh radiator; the tenth and eleventh radiators extend towards the first radiating portion to form twelfth and thirteenth radiators, and form third and fourth slots with the second and third radiators; the fifth radiator extends to the feeding groove. The PCB antenna provided by the present invention can enhance the medium and high frequency resonance and provide antenna design in a frequency band of 5G-Sub6G.
H01Q 1/38 - Forme structurale pour éléments rayonnants, p.ex. cône, spirale, parapluie formés par une couche conductrice sur un support isolant
H01Q 11/14 - Antennes résonnantes avec des parties coudées, repliées, formées ou blindées ou avec des éléments de mise en phase pour obtenir, dans le rayonnement, la relation de phase désirée entre des sections choisies de l'antenne, ou pour obtenir des effets de polarisation désirés
H01Q 21/06 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles
H01Q 5/50 - Dispositions d’alimentation ou d’adaptation pour un fonctionnement à large bande ou multibande
H01Q 5/371 - Parcours de courants avec ramifications
H01Q 23/00 - Antennes comportant des circuits ou des éléments de circuit actifs qui leur sont intégrés ou liés
62.
Method and apparatus for tactile signal generation and computer device
The embodiments of the present invention provide a method and an apparatus for tactile signal generation, and a computer device. The method includes: obtaining target scene tactile information, the target scene tactile information including a target scene category and a target tactile sensation category corresponding to the target scene category; obtaining a basic frequency band tactile signal set corresponding to the target scene category, the basic frequency band tactile signal set including a plurality of basic frequency band tactile signals, and generating a target tactile signal based on the target tactile sensation category and the basic frequency band tactile signal set. In this way, the generation of the tactile sensation can be more flexible and diverse.
A63F 13/285 - Génération de signaux de retour tactiles via le dispositif d’entrée du jeu, p.ex. retour de force
A63F 13/577 - Simulations de propriétés, de comportement ou de déplacement d’objets dans le jeu, p.ex. calcul de l’effort supporté par un pneu dans un jeu de course automobile utilisant la détermination de la zone de contact entre les personnages ou les objets du jeu, p.ex. pour éviter une collision entre des voitures de course virtuelles
The present invention provides a sound transducer structure of electronic device relating to the technical field of acoustics. The sound transducer structure includes a housing having an accommodating cavity, a sound generator received in the accommodating cavity, and a sound outlet disposed in the housing. A sound guiding groove communicates between the sound generator and the sound outlet, so that a sound generated at the sound generator is conducted along the sound guiding groove and is transmitted out of the housing from the sound outlet. The sound outlet includes a first sound outlet for transmitting sound in a receiver mode and a second sound outlet for transmitting sound in a loudspeaker mode. The second sound outlet is covered with a sound pressure sensitive member.
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
64.
Transmission line cable including an unbendable superimposed layer part and a bendable non-superimposed layer part
The invention provides a transmission cable with a main baseline layer and a superimposed line layer. The main baseline layer includes a superimposed part, and a non-superimposed part. The superimposed line layer and the superimposed part form an unbendable part; the non-superimposed part forms a bendable par. The main baseline layer includes a first grounding layer, a first base layer stacked, a signal line layer, and a second base layer. The superimposed line layer includes a third base layer and a second grounding layer. The bendable part is small in thickness, so that the transmission cable provided by the invention has good bending performance, thereby improving the practicability of the transmission cable and prolonging the service life of the transmission cable.
The invention provides a terminal device having a main body, a sounding assembly and a cover plate. The sounding assembly includes a housing and a sounding body. The housing has an accommodating groove and a first sounding channel. The main body has a second sounding channel and a first sound emitting hole. The cover plate has a first through hole. When the sounding assembly is located at the first position, the sound is propagated to the outside through the first through hole, the second sounding channel and the first sound emitting hole in sequence. When the sounding assembly is located at the second position, the sound is propagated to the outside through the first sounding channel. The present invention improves the problem that the sound effect is affected by airflow sound, piano sound, etc., generated by the terminal device in the speaker mode.
A speaker box includes a housing and a speaker unit accommodated in the housing. The speaker unit includes a diaphragm configured to vibrate and sound. The diaphragm is spaced from the housing to form a front sound cavity therebetween. The speaker box further includes a sound transmitting channel communicating the front sound cavity with outside. The front sound cavity and the sound transmitting channel cooperatively form a front cavity of the speaker box. A sound absorption layer is disposed at a portion of the housing facing the front cavity. The sound absorption layer includes a micro-porous structure. When the sound wave passes through the front cavity, the sound absorption layer is capable of absorbing the resonance vibration of the front cavity in high frequency, thus suppressing the amplification of the sound distortion due to the resonance vibration of the front cavity and improving the acoustic performance of the speaker box.
H04R 5/02 - Dispositions spatiales ou structurelles de haut-parleurs
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04R 31/00 - Appareils ou procédés spécialement adaptés à la fabrication des transducteurs ou de leurs diaphragmes
A multipolar connector includes a first connector and a second connector. The first connector includes inner terminals arranged in columns and an insulating component holding the inner terminals. The second connector includes inner terminals arranged in columns and an insulating component holding the inner terminals. One of the first connector and second connector further includes an outer terminal connected to the ground potential and held by the insulating component. A shielding component extends from the outer terminal along a direction in which the columns of inner terminals extend and is held by the insulating component, and the shielding component is located between adjacent columns of inner terminals when the inner terminals of the first connector and second connector are in contact and engaged with each other. Compared with the related art, the multipolar connector of the present disclosure does not need to form the shielding component by separately insert-molding.
The present application discloses a sounding device including a base, and a vibration system and a magnetic circuit system fixed on the base. The vibration system includes a first diaphragm held on the base, and a voice coil of driving the first diaphragm to make a sound through vibration. The magnetic circuit system has a yoke and a magnetic body part fixed on the yoke. The yoke includes a main body arranged opposite to and apart from the base, and a turnup part fixed to the base. The magnetic circuit system further includes a breathable isolator attached to the turnup part and covering the through hole. Compared with the related art, the sounding device disclosed by the present application can prevent magnets from being separated from the yoke in a dropping experiment.
H04R 7/20 - Dispositions pour monter ou pour tendre des membranes ou des cônes à la périphérie pour fixer une membrane ou un cône élastiquement à un support au moyen d'un matériau flexible, ressorts, fils ou cordes
H04R 1/02 - Boîtiers; Meubles; Montages à l'intérieur de ceux-ci
H04M 1/02 - Caractéristiques de structure des appareils téléphoniques
69.
Layered speaker diaphragm with a first perforated layer
A speaker includes a frame, a vibration unit fixed to the frame, and a magnetic circuit unit fixed to the frame. The vibration unit includes a diaphragm fixed to the frame, and a coil configured to drive the diaphragm to vibrate and sound. The diaphragm includes a dome. The dome includes a first layer, a second layer and a third layer which are stacked sequentially in a direction from the coil to the diaphragm. The second layer includes a honeycomb structure. The third layer includes a body and a plurality of through holes extending through the body in a vibration direction of the diaphragm. The through holes communicate with the honey structure of the second layer form a resonance cavity.
A base station antenna is provided, including at least two antenna sub-arrays. Each antenna sub-array includes a circuit board and two antenna oscillators. The circuit board includes a circuit substrate, and a first and second power divider disposed on a surface of the circuit substrate. The first and second power divider include a first, second and third end. Each antenna oscillator includes two pairs of first and second oscillator units of which polarizations are orthogonal. The second and third end of the first power divider are respectively electrically connected to the first oscillator unit of a first and second antenna oscillator. The second and third end of the second power divider is respectively electrically connected to the second oscillator unit of the first and second antenna oscillator. Two antenna oscillators form a 4T4R transceiving mode. The base station antenna of the present disclosure has the advantage of simple feeding mode.
A motor parameter tracking method, which can dynamically track motor parameters includes: exciting, with a voltage excitation signal, a motor to operate, and acquiring at least one actual voltage across two terminals of the motor and an actual current flowing through the motor in an operating state; modelling a voltage error of the motor based on the at least one actual voltage and the actual current to obtain a voltage error function of the motor; and performing iteration on at least one motor parameter based on the voltage error function and a preset iterative step. With the method, the difference between different batches of motors can be adaptively adjusted, and parameter changes caused by a motor temperature, a motor posture and the like can be dynamically tracked. All motor parameters are provided with a same step, which reduces the difficulty of parameter adjustment and the sensitivity of algorithms to parameters.
H02K 33/00 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant
H02P 1/00 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques
H02P 3/00 - Dispositions pour l'arrêt ou le ralentissement de moteurs, génératrices électriques ou de convertisseurs dynamo-électriques
H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p.ex. constante de temps du rotor, flux, vitesse, courant ou tension
H02P 25/032 - Moteurs à mouvement alternatif, oscillant ou vibrant
H02P 6/12 - Contrôle de la commutation; Indication d'un défaut de commutation
H02P 23/00 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par un procédé de commande autre que la commande par vecteur
The present disclosure discloses a nonlinear spring connection structure and a motor. The nonlinear spring connection structure includes a stator, a mover and an elastic connector provided between the stator and the mover. The elastic connector includes a first end connected with the stator, a second end connected with the mover and at least two transition-connecting portions connected between the first end and the second end. The at least two transition-connecting portions extend from the first end towards the second end with sequentially decreasing sizes. An elastic connector is provided between a stator and a mover. In practice, the elastic connector, through deformation of itself, provides a restoring force for the mover during movement, so that the mover can perform a linear movement relative to the stator. In this way, a nonlinear spring connection structure is simpler and manufacturing cost of the nonlinear spring connection structure is reduced.
F03G 1/06 - Autres parties constitutives ou détails
F16F 9/32 - Ressorts, amortisseurs de vibrations, amortisseurs de chocs ou amortisseurs de mouvement de structure similaire, utilisant un fluide ou moyen équivalent comme agent d'amortissement - Parties constitutives
H02K 41/03 - Moteurs synchrones; Moteurs pas à pas; Moteurs à réluctance
73.
Vibration motor with magnetic steel assembly and elastic support between pillars
The present disclosure discloses a vibration motor including a fixing frame, a suspending frame, an iron core, a drive coil, an elastic support and a magnetic steel assembly. The magnetic steel assembly includes a first magnetic steel, a second magnetic steel and a third magnetic steel that are superimposed in order. Polarity directions of the first magnetic steel and third magnetic steel are parallel with a central axis of the drive coil. A side of the first magnetic steel that the side facing the second magnetic steel has the same polarity with a side of the third magnetic steel that the side facing the second magnetic steel. The vibration motor can generate two magnetic loops whose magnetic forces increases drive force of the vibration motor.
H02K 33/00 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant
H02K 33/06 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des induits entraînés dans un sens par application d'énergie à un système à une seule bobine et ramenés par une force d'origine mécanique, p.ex. par des ressorts dans lesquels la fréquence de fonctionnement est déterminée par la fréquence d'un courant alternatif appliqué en permanence avec des induits polarisés
An antenna module and a mobile terminal are provided. The mobile terminal is provided with a housing. The antenna module includes a first antenna group, a second antenna group, a third antenna group and a fourth antenna group. The first antenna group includes a first antenna and a second antenna, where both the first antenna and the second antenna operate in a 4G frequency band. The second antenna group includes a third antenna and a fourth antenna, where both the third antenna and the fourth antenna operate in a 5G frequency band. The third antenna group includes a fifth antenna, and the fifth antenna operates in the 4G frequency band. The fourth antenna group includes a sixth antenna and a seventh antenna, where both the sixth antenna and the seventh antenna operate in the 5G frequency band. The third, fourth, sixth and seventh antenna form a 4*4MIMO antenna group.
H01Q 1/24 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
H01Q 5/307 - Dispositions permettant un fonctionnement sur différentes gammes d’ondes Éléments rayonnants individuels ou couplés, chaque élément étant alimenté d’une façon non précisée
H01Q 5/20 - Dispositions pour faire fonctionner simultanément des antennes sur plusieurs gammes d'ondes, p.ex. dispositions bibandes ou multibandes caractérisées par les gammes d'ondes exploitées
A knob device for vehicle includes a knob unit and a locking unit. The knob unit includes a rotating cover with an open end, a rotary shaft mounted to the open end, and a motor fixed to the rotating cover for driving the rotating cover to vibrate. The locking unit includes a rotary wheel which includes a main body fixed to the rotary shaft and latching teeth formed at a periphery of the main body and distributed in a ring around a central axis of the rotary wheel, a gap being defined between two neighboring teeth, an iron core configured to be inserted into the gap to limit rotation of the rotary wheel, and a solenoid connected to the iron core for driving the iron core to move. The knob device can realize locking of the rotary wheel clockwise and counter-clockwise, meeting requirement of diverse use.
B60K 37/06 - Agencement des accessoires sur le tableau de bord des commandes, p.ex. boutons de commande
G05G 1/10 - Organes de commande actionnés à la main par un mouvement de rotation, p.ex. volants - Parties constitutives de ces organes, p.ex. de disques, de boutons, de volants, de manivelles
G05G 5/03 - Moyens pour attirer l'attention de l'opérateur sur l'arrivée de l'organe de commande dans une position de commande ou de repère; Création d'une sensation, p.ex. moyens pour générer une force antagoniste
G05G 5/06 - Moyens pour interdire, limiter ou inverser le mouvement de certaines pièces d'un mécanisme de commande, p.ex. verrouillage des organes de commande pour maintenir les organes de commande, seulement sur une ou sur un nombre limité de positions définies
The present invention provides a speaker box and an electronic device. The speaker box includes: a case having a receiving space; a speaker body having a sound outlet and received in the receiving space; and a graphite sheet received in the receiving space and connected to both the speaker body and the case. The speaker body divides the receiving space into a front cavity in communication with the sound outlet and a rear cavity opposite to the front cavity. The electronic device uses the speaker box. Compared with the related art, the speaker box and the electronic device provided by the present invention have a better heat dissipation effect.
The invention provides an antenna element having a feed unit, a first radiation unit and a second radiation unit, wherein the feed unit includes two differential feed circuits and four grounding ends. Each differential feed circuit includes an input end and two output ends. The first radiation unit includes a first radiation body. The second radiation unit includes four second radiation bodies and four grounding elements. According to the antenna element provided by the invention, through feeding of the first radiation body and the second radiation bodies in a coupled feeding manner, the number of solder joints can be reduced; and through arrangement of the second radiation bodies extending in a serpentine form, the profile height of the antenna element can be reduced and the requirements of customers on miniaturization of a base station are met.
An antenna system includes: a radiating sheet provided with an elastic first fixing portion; an insulating bracket including a bracket body, and mounting portions, a second fixing portion and a first assembling portion; coupling circuit sheets, each of which is provided with a coupling circuit at a single side thereof and fixed in a slide rail of the mounting portion in such a manner that a feeding pin at a bottom of the coupling circuit sheet extends out of the one mounting portion; and a feeding network circuit board. In the antenna system and an assembly method thereof, and a base station array antenna, there is various one-time fixing structures, which makes the assembly to be simple and efficient, and there are few feeding welding points, which is suitable for automatic production.
The present disclosure provides a knob device for vehicle which includes a knob unit and a locking unit. The knob unit includes a rotating cover, a rotary shaft and a motor configured to drive the rotating cover to vibrate. The locking unit includes a rotary wheel which includes a main body fixed to the rotary shaft and locking teeth formed at a periphery of the main body. The locking tooth includes a first end, a second end and a surface connecting the first end and the second end. A distance between the first end and the central axis of the rotary wheel is greater than a distance between the second end and the central axis. The locking unit further includes a locking pole configured to abut the first end to limit rotation of the rotary wheel clockwise, and an actuator configured to drive the locking pole to move.
B60R 11/02 - Autres aménagements pour tenir ou monter des objets pour postes radio, de télévision, téléphones, ou objets similaires; Disposition de leur commande
G05G 1/12 - Moyens pour fixer les organes de commande sur des axes tournants ou des supports analogues
G05G 5/22 - Moyens pour interdire, limiter ou inverser le mouvement de certaines pièces d'un mécanisme de commande, p.ex. verrouillage des organes de commande pour maintenir les organes sur un nombre indéterminé de positions, p.ex. par un secteur denté par verrouillage d'un secteur, d'une tige ou d'un organe analogue porté par l'organe de commande par friction
G05G 5/03 - Moyens pour attirer l'attention de l'opérateur sur l'arrivée de l'organe de commande dans une position de commande ou de repère; Création d'une sensation, p.ex. moyens pour générer une force antagoniste
80.
Vibrating with stop magnets, mandrel and guiding member
The present invention provides a vibration motor including: a housing having a receiving space; a vibrator received in the receiving space; coils configured to drive the vibrator to reciprocate; and two stop assemblies received in the receiving space and spaced apart from each other, the vibrator reciprocates between the two stop assemblies and includes first magnets spaced apart from each other and at least one second magnet arranged between the first magnets, every two adjacent first magnets of the first magnets have opposite magnetization directions, and a magnetization direction of the second magnets is perpendicular to a magnetization direction of the at least one first magnet. Compared with the related art, the vibration motor provided by the present invention has higher reliability.
H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents
81.
Mobile terminal and glass housing thereof, and performance optimization method of antenna module thereof
The invention provides a mobile terminal, a glass housing, and a performance optimization method of an antenna module of the mobile terminal. The mobile terminal is internally provided with the antenna module. The glass housing includes a radiation zone facing the antenna module and a non-radiation zone adjacent to the radiation zone. The glass shape of the radiation zone and the glass shape of the non-radiation zone are of discontinuity. The glass housing of the mobile terminal provided by the invention can optimize performance of the antenna module.
The invention provides an antenna-in-package module and an electronic device. The antenna-in-package module comprises a substrate, an antenna module and an integrated circuit chip arranged on opposite two sides of the substrate and a circuit arranged in the substrate to connect the antenna module and the integrated circuit chip. The antenna module comprises a plurality of antenna units connected to the circuit and a plurality of guiding directors arranged separated from each antenna unit, separately. The antenna-in-package module provided by the invention can increase spatial coverage of the antenna-in-package module.
H01Q 1/22 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets
H01Q 1/24 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
H01Q 19/00 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p.ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée
H01Q 21/06 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles
H01Q 21/22 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles les unités d'antennes du réseau étant excitées d'une façon non uniforme en amplitude ou en phase, p.ex. réseau à prises ou réseau bidirectionnel
H04M 1/02 - Caractéristiques de structure des appareils téléphoniques
83.
Control method and system for reducing vibration of second casing of mobile terminal
A control method for reducing vibration of a second casing of a mobile terminal includes: mounting an additional vibrator in a mounting area on the second casing, and measuring vibration responses in the mounting area under first and second preset conditions; calculating system transfer functions of the additional vibrator and a driving system formed by a first casing and an exciter; providing a signal processing unit; adjusting the value of the transfer function of the signal processing unit such that a vibration response in the mounting area under a third preset condition is at zero, and calculating the value of the transfer function H3(S) of the signal processing unit; and setting H3(S) as a preset transfer function of the signal processing unit. The present disclosure can counteract the vibration of the second casing induced by the driving system, thereby improving user experience.
A sounding device includes a frame, a vibration system and a magnetic circuit system with a magnetic gap. The vibration system includes a diaphragm and a voice coil inserted in the magnetic gap. The coil includes two first sides and two second sides. An elastic supporting member including an auxiliary diaphragm is fixed to the frame and spaced from the second sides. The magnetic circuit system includes a yoke, a main magnet fixed to the yoke, and a first auxiliary magnet and a second auxiliary magnet fixed to the yoke and spaced from the main magnet to form the magnetic gap. The second auxiliary magnet is spaced from the first side. An end portion of the second auxiliary magnet close to the auxiliary diaphragm is recessed to form an avoidance notch, and the auxiliary diaphragm extends along the first sides to form an extending portion located in the avoidance notch.
H05K 1/18 - Circuits imprimés associés structurellement à des composants électriques non imprimés
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
85.
Mobile terminal and method for optimizing performance of an antenna module thereof
A mobile terminal includes a display screen, an internal support unit, an antenna module and a rear shell. The display screen cooperates with the rear shell to form a cavity therebetween. The internal support unit is located in the cavity for fixing and supporting components. The antenna module is located in the cavity and at a position close to a sidewall of the rear shell, and is fixed and supported by the internal support unit. The internal support unit defines a through hole to form a unobstructed signal channel between the antenna module and the side of the internal support unit closest to the rear shell, optimizing a performance of the antenna module, realizing a broadband phased array module with better spatial coverage in a limited space, optimizing the direction of the antenna module, improving the gain and coverage of the antenna module, and optimizing the CDF index.
The present application discloses a linear motor having a housing with an accommodation space, stoppers fixed on the housing and set at intervals, a vibrator sliding between the stoppers and a power coil driving the vibrator to reciprocate motion. The stopper includes a first iron core fixed on the housing and an auxiliary coil twinned on the first iron core. The motor also includes a positioning sensor used to sense the motion of the vibrator to obtain a feedback signal. According to the feedback signal detected by the positioning sensor, the auxiliary coil and/or the power coil act on the vibrator so as to adjust the reciprocating motion of the vibrator between the stoppers. The effect of the motion of the plan of present application is good and control precision is high.
H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents
H02K 11/215 - Dispositifs utilisant un effet magnétique, p.ex. des éléments à effet Hall ou magnéto-résistifs
87.
Vibration motor with elastic connector shaft holding pole plate with magnets moving in at least two directions and coils on housing walls
The invention provides a vibration motor having a housing assembly, an elastic connector, a pole plate, a plurality of magnets and a plurality of coils. The coils and the magnets are matched to drive the pole plate to move in at least two directions within the housing assembly. The coils are arranged on the outer side of the pole plate and fixed on the housing assembly so as to be suitable for a small-size vibration motor, then limitation of coil sizes is effectively avoided. Arrangement of the coils is facilitated, and process flows of the vibration motor during specific assembly can be optimized.
H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents
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
88.
Antenna assembly for terminal with foldable screen and terminal
A terminal with a foldable screen and an antenna assembly thereof are disclosed. The antenna assembly includes a foldable frame and seven antenna modules. The frame includes a first side frame; a second side frame opposite to the first side frame, a third side frame, and a fourth side frame. A first antenna portion is disposed at a corner connecting the first side frame to the third side frame. A second antenna portion is disposed at a corner connecting the second side frame and the third side frame. A third antenna portion is disposed on the second sub-frame. Fourth, fifth, and sixth antenna portions are sequentially arranged on the fourth side frame. A seventh antenna portion is disposed on the fourth sub-frame. At least 2*2 MIMO configuration of WIFI frequency band and 4*4 MIMO configuration of 5G NR frequency band below Sub-6G frequency band are formed by the antenna modules.
H01Q 1/24 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
H01Q 5/307 - Dispositions permettant un fonctionnement sur différentes gammes d’ondes Éléments rayonnants individuels ou couplés, chaque élément étant alimenté d’une façon non précisée
The present invention provides a loudspeaker, which includes a frame, and a vibration system and a magnetic circuit system, the vibration system includes a membrane and a voice coil, the vibration system further includes a yoke, and a main magnet assembly and a side magnet assembly, the side magnet assembly is spaced apart from the main magnet assembly to form a magnetic gap, and an end of the voice coil away from the membrane is suspended in the magnetic gap. The side magnet assembly includes a side magnet, and a first pole plate, the first pole plate is spaced apart from the membrane to form a spacing communicated with the magnetic gap, the loudspeaker further includes a leakage channel, one end of the leakage channel is communicated with the spacing, and another end of the leakage channel is communicated with an outside of the loudspeaker.
H04R 1/28 - Supports de transducteurs ou enceintes conçus pour réponse de fréquence spécifique; Enceintes de transducteurs modifiées au moyen d'impédances mécaniques ou acoustiques, p.ex. résonateur, moyen d'amortissement
H05K 1/18 - Circuits imprimés associés structurellement à des composants électriques non imprimés
An actuator excitation signal processing method includes the step of obtaining original excitation signal. An encrypted excitation signal was obtained by encrypting the original excitation signal. Vibration waveforms generated by the encrypted excitation signal and the original excitation signal while acting on the actuator are same. The encrypted excitation signal is used to drive the actuator to vibrate. The actuator excitation signal processing method can effectively solve the problem that the excitation signal might be stolen by encrypting the original excitation signal. In addition, an actuator signal processing device, a computer equipment and a kind of storage medium are also proposed.
Provided is a vibration motor, including: a housing having a receiving space; a vibrator received in the receiving space; and a coil configured to drive the vibrator to reciprocate; and a guide rail received in the receiving space and fixed to the housing. The vibrator includes a rolling friction portion corresponding to the guide rail, and the rolling friction portion comprises a mass block spaced apart from and opposite to the guide rail, and a plurality of rolling members connected between the mass block and the guide rail in a slidable way. Compared with the related art, the vibration motor provided by the present invention can effectively reduce a friction force and improve a performance thereof.
H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents
G08B 6/00 - Systèmes de signalisation tactile, p.ex. systèmes d'appel de personnes
The present disclosure provides a motor, including a housing having an accommodating space, a vibrator and a stator that are accommodated in the accommodating space. One of the vibrator and the stator includes a magnetic circuit structure, and the other includes a coil assembly. The coil assembly includes an iron core and a first drive coil and a second drive coil that separately sleeved on two ends of the iron core in a vibration direction of the vibrator, a powering direction of the first drive coil being opposite to a powering direction of the second drive coil. In the present disclosure, the first drive coil and the second drive coil are subjected to Lorentz force in the same direction, thereby vibration of the motor may be improved.
H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents
G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
H04M 1/02 - Caractéristiques de structure des appareils téléphoniques
Provided is a vibration exciter, comprising a shell having a receiving space, a vibration unit suspended in the shell, a coil configured to drive the vibration unit, and an elastic member configured to suspend the vibration unit in the shell. The vibration unit comprises a mass block fixedly connected to the elastic member. The mass block comprises fixing planes opposite to each other along a vibration direction. The elastic member has one end fixed to the mass block and another end fixed to the shell, and a projection of the elastic member in the vibration direction is at least partially located in the fixing planes. Compared with the related art, the vibration exciter provided by the present invention can improve the vibration stability.
H02K 33/02 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des induits entraînés dans un sens par application d'énergie à un système à une seule bobine et ramenés par une force d'origine mécanique, p.ex. par des ressorts
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
B06B 1/04 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique fonctionnant par électromagnétisme
A knob device for vehicle includes a knob unit and a locking unit. The knob unit includes a rotating cover, a rotary shaft and a motor configured to drive the rotating cover to vibrate. The locking unit includes a rotary wheel which includes a main body fixed to the rotary shaft and locking notches formed at a periphery of the main body. The locking notches are sunk from the periphery of the main body toward a center of the main body in radial directions of the main body. The locking unit further includes a locking pole configured to be inserted into one of the locking notches to block rotation of the rotary wheel, and an actuator configured to drive the locking pole to move. The knob device applies a locking unit which is capable of locking the rotary wheel, thereby realizing diverse use requirements.
A speaker box includes a housing, a speaker unit and a flexible circuit board. The housing includes a base defining a through hole, and a cover. The flexible circuit board includes an end received in the housing and an opposite end exposed to outside of the housing. The flexible circuit board includes a first surface facing the cover and a second surface opposite to the cover. A first pad and a second pad are disposed at the second surface. The flexible circuit board includes a first mounting part, a second mounting part and a bending part. The first pad is arranged on the first mounting part and configured to be electrically coupled to the speaker unit. The second pad is arranged on the second mounting part and configured to be electrically coupled to external circuits. The second pad is exposed to outside of the housing via the through hole.
The invention relates to an antenna and an electronic device. The antenna has a radiation part, a grounding sheet arranged separated from the radiation part and a number of ground connection parts. The radiation part has four radiators forming a first gap and a second gap. Each radiator is electrically connected to the grounding sheet through a ground connection part. The ground connection part includes at least an attaching sheet and a number of metal through holes. Each side of opposite two sides of each attaching sheet is electrically connected to at least one of the metal through holes. The electronic device includes the antenna. According to the technical scheme, the antenna has the advantage of low profile.
The antenna unit includes a first radiation patch, a feed structure, a second radiation patch, a ground plate, and an insulating dielectric layer. The first radiation patch is electrically connected with the ground plate. The feed structure includes a feeding post and an outer ring. The feeding post passes through the insulating dielectric layer and the ground plate, and one end of the feeding post is connected with the second radiation patch, the other end of the feeding post extends out of the ground plate. The ground plate is provided with a first avoidance hole for avoiding the feeding post, and an outer wall surface of the outer ring is connected with an inner wall surface of the first avoidance hole. The feeding post is coaxial with the feeding outer ring and arranged separately from the feeding outer ring. A dual-frequency and a dual-polarization are formed in the present disclosure.
H01Q 21/08 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles les unités étant espacées le long du trajet rectiligne ou adjacent à celui-ci
An antenna module and a mobile terminal are provided. The mobile terminal includes a shell including opposite upper and lower edges and opposite first and second side edges. First to fourth antennas are sequentially provided on the upper edge, and the first side edge is provided with a fifth antenna close to the upper edge. Sixth to eighth antennas are sequentially provided on the lower edge, and the second side edge is provided with a ninth antenna close to the lower edge. The first to ninth antennas form antenna groups respectively operating in communication frequency bands of 2G to 4G, GPS, WIFI2.4G, and WIFI5G, and an 8*8 MIMO antenna group operating in a 5G communication frequency band. The antenna module can operate in the 2G to 4G, GPS, and WIFI frequency bands, and have the 8*8 MIMO antenna and the antenna respectively operating in the 5G and WIFI5G frequency bands.
H04B 7/04 - Systèmes de diversité; Systèmes à plusieurs antennes, c. à d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées
H01Q 21/06 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles
H01Q 5/20 - Dispositions pour faire fonctionner simultanément des antennes sur plusieurs gammes d'ondes, p.ex. dispositions bibandes ou multibandes caractérisées par les gammes d'ondes exploitées
H01Q 5/307 - Dispositions permettant un fonctionnement sur différentes gammes d’ondes Éléments rayonnants individuels ou couplés, chaque élément étant alimenté d’une façon non précisée
H01Q 1/22 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets
H01Q 1/24 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
A WIFI antenna, including: a dipole including a first radiator and a second radiator that are arranged opposite to and spaced apart from each other; a feeding port provided at adjacent ends of the first radiator and the second radiator; a balun structure including a first access portion, a second access portion provided opposite to the first access portion, and an intermediate portion connecting the first access portion with the second access portion, and the intermediate portion having an annular structure; the first access portion of the balun structure is connected to the first radiator at the feeding port, and the second access portion is connected to the second radiator at the feeding port. Setting of the WIFI antenna provides characteristics of omnidirectional radiation, high gain and high physical stability, which not only improves the gain, but also fully covers the WIFI frequency band.
H01Q 1/22 - Supports; Moyens de montage par association structurale avec d'autres équipements ou objets
H01Q 5/20 - Dispositions pour faire fonctionner simultanément des antennes sur plusieurs gammes d'ondes, p.ex. dispositions bibandes ou multibandes caractérisées par les gammes d'ondes exploitées
H01Q 5/307 - Dispositions permettant un fonctionnement sur différentes gammes d’ondes Éléments rayonnants individuels ou couplés, chaque élément étant alimenté d’une façon non précisée
H01Q 9/26 - Antennes résonnantes avec alimentation intermédiaire entre les extrémités de l'antenne, p.ex. dipôle alimenté par le centre avec élément replié ou éléments repliés, les parties repliées étant espacées l'une de l'autre d'une petite fraction de la longueur d'onde émise
An antenna includes an antenna body, a feeding network board screw-connected to the antenna body, and a feeding spring pin connecting the coupling feeding branch with a feeding network of the feeding network board. The antenna body includes a plastic bracket, an antenna radiating sheet provided on a top of the plastic bracket, and a coupling feeding branch provided on a side portion of the plastic bracket. The plastic bracket is formed into one piece, the antenna radiating sheet and the coupling feeding branch are spaced apart from and coupled with each other. The antenna of the present invention has good consistency, high reliability, is easy to assemble without welding, and has a simple overall structure, low cost and small size, and can be used for 5G large-scale antenna array deployment.
brevets
