A current sensor includes a busbar and a magnetic sensor which has at least two magnetoelectric conversion elements. The busbar may have a first conductive member and a second conductive member arranged to face each other across the magnetic sensor, extending in a first direction, and a linkage member arranged between the first conductive member and the second conductive member, linking the first conductive member to the second conductive member. When viewed from sides of magnetosensitive surfaces of the at least two magnetoelectric conversion elements, the magnetic sensor may not overlap the first conductive member, the second conductive member, and the linkage member. A direction that is a direction along a magnetosensitive surface of the magnetosensitive surfaces and that intersects the first direction, is set as a second direction, when viewed from the second direction, the magnetosensitive surface may not overlap the first conductive member and the second conductive member.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A current sensor may include: at least one magnetoelectric conversion unit; a current conductor through which a measurement current measured by the magnetoelectric conversion unit flows; and a conductor plate which at least partially overlaps the current conductor in plan view. A main body portion of the current conductor includes a first portion. A thickness of the conductor plate, magnetic permeabilities of the conductor plate and the current conductor, electrical conductivities of the conductor plate and the current conductor, a shortest distance between a magnetic sensing surface and the current conductor, a maximum width of the first portion, a shorter distance of a distance between the conductor plate and the current conductor and a distance between the conductor plate and the magnetic sensing surface of the magnetoelectric conversion unit, and a narrowest width in a portion, which crosses the magnetoelectric conversion unit, of the conductor plate satisfy a condition.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A power module may include; a first power semiconductor mounted on an insulating substrate; a first conductor at least partially overlapped with the first power semiconductor in a plan view, electrically coupled to a first terminal of the first power semiconductor, and extending along a surface of the insulating substrate in a first direction; a current sensor which is arranged to be at least partially overlapped with or at least partially surrounded by the first conductor in the plan view,; an encapsulating portion which encapsulates them, in a state in which the first conductor and the current sensor are insulated from each other; and a first external terminal electrically coupled to the first conductor and exposed from the encapsulating portion. The current sensor may be arranged between the first external terminal and the first power semiconductor in the first direction in the plan view.
H01L 23/538 - Arrangements for conducting electric current within the device in operation from one component to another the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in subclass
H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different main groups of the same subclass of , , , , or
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02M 7/539 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
Provided is a biological information providing apparatus including: a first biological information output unit and a second biological information output unit each including: a biological signal measurement unit which measures a biological signal through a pair of electrodes in contact with a living body, a bioimpedance signal measurement unit which measures a bioimpedance generated between the pair of electrodes to output a bioimpedance signal corresponding to the bioimpedance, a noise signal generation unit which generates, from the bioimpedance signal, a noise signal indicating a noise component included in the biological signal, and a biopotential signal output unit which removes a component of the noise signal from the biological signal to output a resultant signal as a biopotential signal; and a determination unit which outputs a determination signal based on a predetermined condition.
There is provided an optical waveguide including: light introduction portion; a light extraction portion; a light circulation portion of an elliptical shape; a first waveguide which is connected to the light introduction portion at a starting end of the first waveguide in a propagation direction of light, and which is connected to the light circulation portion at a terminal end of the first waveguide; a second waveguide which is connected to the light circulation portion at a starting end of the second waveguide in a propagation direction of light, and which is connected to the light extraction portion at a terminal end of the second waveguide; and a support layer which supports the light circulation portion, in which a center of gravity of the light circulation portion is arranged at a position deviated from an extension direction of the first waveguide and the second waveguide, in a top plan view.
G02B 6/293 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
6.
ESTIMATION APPARATUS, CURRENT SENSOR, SYSTEM, AND ESTIMATION METHOD
An estimation apparatus includes: an estimation unit which estimates a temperature of a circuit board which includes a current sensor and a land portion in contact with a primary terminal of the current sensor and on which the current sensor is mounted, based on a predetermined coefficient which is based on at least one of a heat transfer characteristic between at least one magnetoelectric conversion element in the current sensor and the land portion or a heat transfer characteristic between a signal processing IC and the land portion in the circuit board, and at least one of: at least one of a current value or a voltage value of the at least one magnetoelectric conversion element; or at least one of a current value or a voltage value of the signal processing IC.
G01K 7/42 - Circuits effecting compensation of thermal inertiaCircuits for predicting the stationary value of a temperature
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
H02M 1/32 - Means for protecting converters other than by automatic disconnection
A plurality of pairs of ground vias which are arranged, in a planar view, facing each other on opposite sides of the slit may include, in a direction that the slit extends in a planar view from a center of the second opening, at least one pair of first ground vias, which are positioned within a first distance range, and at least one pair of second ground vias, which are positioned within a second distance range. A minimum distance between via-walls of the at least one pair of first ground vias may be wider than a minimum distance between via-walls of the at least one pair of second ground vias. A signal at a first frequency band may be transmitted through the transmission line at a first resonating mode, and a signal at a second frequency band may be transmitted through the transmission line at a second resonating mode.
A management apparatus comprises: an acquisition unit that acquires first measurement information from a plurality of first sensors configured to measure a physical quantity related to environment in each of a plurality of areas, and acquires second measurement information from at least one second sensor configured to be mounted on at least one mobile object and to a measure physical quantity related to environment in each of the plurality of areas; an identification unit that identifies an abnormal area, where the physical quantity shows an abnormal value, based on each of the first measurement information and the second measurement information; and an authentication unit that authenticates that consistency between the first measurement information and the second measurement information is high when an abnormal area identified unit based on the first measurement information is an area identical to an abnormal area identified based on the second measurement information.
This authentication system may comprise: a sensor for measuring a physical quantity related to the environment of a target space; and an authentication device disposed at a position away from the sensor. The authentication device may include an acquisition unit that acquires sensor information related to the sensor. The authentication device may include an authentication unit that, on the basis of the sensor information, performs authentication according to whether or not the sensor satisfies a predetermined criterion. The authentication device may comprise a notification unit that notifies the sensor of an authentication result obtained by the authentication unit. The sensor may include a reporting unit that issues a warning signal on the basis of the authentication result notified by the notification unit.
H04M 11/00 - Telephonic communication systems specially adapted for combination with other electrical systems
G06F 21/71 - Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
G08C 25/00 - Arrangements for preventing or correcting errorsMonitoring arrangements
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
10.
OPTICAL CONCENTRATION MEASURING DEVICE AND SIGNAL PROCESSOR
An optical concentration measuring device includes a light source, detectors (21, 22) that detect a signal, based on light emitted from the light source, and output a detection signal, a signal processor (50) that acquires the detection signal and converts the detection signal to a digital signal, and a substrate (30) on which the detector and the signal processor are provided. The signal processor has a terminal array in which a plurality of signal terminals is sandwiched between a plurality of voltage terminals, the signal terminals being input and output terminals of signal lines electrically connected to the detectors, 10 the voltage terminals supplying a voltage other than 0 V. In plan view of the substrate from the front, the signal processor and wiring connecting the plurality of voltage terminals surround the signal lines.
An optical device and an optical filter that enable compact and high precision concentration measurement are provided. The optical device includes an optical filter and an infrared optical element. When the center wavelength of a transmission band is λp, then in a wavelength range from (λp×0.6) nm to (λp×0.8) nm, when the angle of incidence at which infrared light emitted from or incident on the infrared optical element is incident on the optical filter is 0°, the maximum transmittance of the optical filter is T1 and the average sensitivity of the infrared optical element is S1, and when 45°, the maximum transmittance of the optical filter is T2 and the average sensitivity of the infrared optical element is S2, then T2 is greater than T1 and S2 is smaller than S1.
Gas detecting devices and in particular volatile substance sensors such as breath alcohol devices sensors. The semiconductor gas sensor device includes a laser structure and an optical waveguide resonator formed in a same compound semiconductor which includes at least one optical emission layer and one optical propagation layer. The optical waveguide resonator is formed in the optical propagation layer and is to its greater part separated from the remaining portion of the optical propagation layer. The laser structure is provided adjacent to a portion of the optical waveguide resonator and arranged to transmit electromagnetic radiation at a specific wavelength band to the optical waveguide resonator arranged to resonate at that specific wavelength band.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
13.
SEMICONDUCTOR WAFER, SEMICONDUCTOR DEVICE, AND GAS CONCENTRATION MEASURING DEVICE
Provided are a semiconductor wafer, a semiconductor device, and a gas concentration measuring device having a size reduced by reducing warpage to be even smaller than the sizes that can be achieved by conventional techniques. The semiconductor wafer includes: a wafer substrate; a semiconductor stacked portion formed on a first surface of the wafer substrate, the semiconductor stacked portion being capable of one of emitting and receiving infrared light; and an optical filter formed on a second surface of the wafer substrate that is opposite to the first surface. An interlayer made of Si with a thickness of 50 μm or more and 300 μm or less is provided between the optical filter and the wafer substrate, and a thickness Topt of the optical filter is 10% or less of a thickness of the wafer substrate.
H10H 20/84 - Coatings, e.g. passivation layers or antireflective coatings
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
H10H 20/824 - Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
A power module has a bus bar, a magnetic detection unit, and outer wall resin, in which the outer wall resin has an insertion hole into which the magnetic detection unit is inserted, and when seen from an insertion direction of the magnetic detection unit, the insertion hole has a shape corresponding to an outer shape of the magnetic detection unit. There is provided a method of manufacturing a power module which has a bus bar and a magnetic detection unit, the method of manufacturing a power module including: performing resin molding on the bus bar, and forming outer wall resin having an insertion hole into which the magnetic detection unit is inserted; and inserting the magnetic detection unit into the insertion hole.
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/505 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising a single busbar
There is provided a current sensor including: a conductor having a first terminal portion for inputting a current and a second terminal portion for outputting the current which are arranged on one side in a first axial direction, the second terminal portion being separated from the first terminal portion in a second axial direction intersecting the first axial direction, a turn portion which is arranged on another side in the first axial direction, a first body portion which connects one end of the turn portion and the first terminal portion, and a second body portion which is separated from the first body portion in the second axial direction, to connect another end of the turn portion and the second terminal portion; a magnetic sensor which is arranged on the conductor or near the conductor; and a package.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
A method of manufacturing an infrared device is provided. The method includes: a step of forming a first semiconductor layer of first conductive type on one face side of a substrate; a step of forming a second semiconductor layer serving as an active layer on the first semiconductor layer; a step of forming a third semiconductor layer of second conductive type on the second semiconductor layer; a first etching step of forming a first mesa portion including an upper side portion of the first semiconductor layer, the second semiconductor layer and the third semiconductor layer by applying a dry etching process with an interelectrode voltage 330V or higher; and a second etching step of applying a dry etching process with an interelectrode voltage less than 330V.
H10F 77/14 - Shape of semiconductor bodiesShapes, relative sizes or dispositions of semiconductor regions within semiconductor bodies
H10F 30/10 - Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices being sensitive to infrared radiation, visible or ultraviolet radiation, and having no potential barriers, e.g. photoresistors
H10F 71/00 - Manufacture or treatment of devices covered by this subclass
This current measurement device may include a substrate, a first bus bar disposed on a first surface of the substrate, a second bus bar disposed on a second surface of the substrate opposite to the first surface, a first current sensor which is disposed on the first surface of the substrate and which measures a first current flowing through the first bus bar, and a second current sensor which is disposed on the second surface of the substrate and which measures a second current flowing through the second bus bar. At least a part of a first sealing part of the first current sensor and at least a part of a second sealing part of the second current sensor may overlap in the thickness direction of the substrate. At least one first magnetoelectric conversion element of the first current sensor and a second primary conductor part of the second current sensor may not overlap in the thickness direction of the substrate in a plan view. At least one second magnetoelectric conversion element of the second current sensor and a first primary conductor part of the first current sensor may not overlap in the thickness direction of the substrate in a plan view.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
Provided is a differential amplifier comprising: a first differential amplification circuit that has a first input terminal, a second input terminal, a first output terminal and a second output terminal which respectively output a first output signal and a second output signal; an RC filter that filters the first output signal and the second output signal and outputs them; a second differential amplification circuit that has a third input terminal and a fourth input terminal to which the first output signal and the second output signal filtered by the RC filter are respectively input and a third output terminal which outputs a third output signal; and a third amplification circuit that has a fifth input terminal to which the third output signal is input and a fourth output terminal which outputs a fourth output signal according to the third output signal.
A concentration computation section is a concentration measurement section including a light-emitting element and a first sensor element. The concentration computation section includes a light-emitting element drive section that drives the light-emitting element; a signal acquisition section that acquires at least an output signal of the first sensor element, a first drive signal that is a first voltage value or a first current value of the light-emitting element, and a second drive signal that is a second voltage value or a second current value of the light-emitting element; and a computation section that computes a concentration based on signals acquired by the signal acquisition section. The computation section, based on the first drive signal and the second drive signal, corrects the output signal of the first sensor element and computes the concentration.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
21.
OPTICAL ELEMENT AND OPTICAL CONCENTRATION MEASURING APPARATUS
An optical element includes a substrate, unit elements, an internal wiring portion, a pad electrode and a first insulating portion. The unit elements have first and second conductive semiconductor layers, an active layer and first and second contact electrode portions. The internal wiring portion electrically connects the first and second contact electrode portions. The second region, the active layer and the second conductive semiconductor layer form a mesa structure. The pad electrode is electrically connected to the first and second contact electrode portions. The optical element has a connection portion electrically connected to an outside and the pad electrode. The first insulating portion is placed between the internal wiring portion and the connection portion. A diameter of a circle inscribed to a region where the pad electrode and the connection portion contact with each other is 15% or more of a length of a short side of the substrate.
H10H 29/14 - Integrated devices comprising at least one light-emitting semiconductor component covered by group comprising multiple light-emitting semiconductor components
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
H01L 23/00 - Details of semiconductor or other solid state devices
There is provided a design assist apparatus including an inputting unit configured to input an analysis condition including substrate information of a thermal analysis target and current detection element information, and a display control unit configured to control a display unit to display, on the display unit, a thermal analysis result based on the analysis condition, in which the display control unit is configured to control the display unit to display, on the display unit and in a mutually identifiable manner, a first thermal analysis result based on a first analysis condition input by the inputting unit and a second thermal analysis result based on a second analysis condition obtained by changing at least one of the substrate information and the current detection element information from the first analysis condition.
A magnetic sensor 60 includes a substrate 61 installed on a conductor 24, where a plurality of blocks including first blocks 62a, 63a and second blocks 62b, 63b positioned near and far from the center of the conductor, respectively, relative to each other are arranged on one surface of the substrate, and a plurality of magnetoresistance elements 51 disposed on the substrate, wherein a part of the plurality of magnetoresistance elements is disposed in the first block and another part is disposed in the second block, and the first and second blocks include first subblock 62a1, 63a1, 62b1, 63b1, respectively, on which the magnetoresistance elements 51 having magnetic sensing directions that are directions identical to each other, and the magnetoresistance elements in the first subblocks 62a1, 63a1, 62b1, 63b1 of the first and second blocks 62a, 63a, 62b, 63b are connected in series to form the resistor side R1.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
24.
BIOLOGICAL INFORMATION MEASUREMENT DEVICE AND BIOLOGICAL INFORMATION MEASUREMENT METHOD
Provided is a biological information measurement apparatus comprising: an AC signal supply unit that supplies an AC signal indicating a reference frequency between a pair of electrodes in contact with a living body; a first high-pass filter that blocks, from a first signal corresponding to the AC signal, a frequency band, which is lower than a first frequency band including the reference frequency; and a first amplification unit that amplifies a third signal obtained by blocking, from a second signal outputted from the first high-pass filter, a second frequency band narrower than the first frequency band and including the reference frequency, and that outputs the amplified third signal as a biological information signal indicating a fluctuation component of the impedance of the living body.
A gas leakage detection apparatus may include a movement control unit that controls a movement of a moving object on which a gas sensor is mounted. The gas leakage detection apparatus may include an acquisition unit that acquires a measurement result of target gas that is obtained by a measurement by the gas sensor while the moving object is moving over a target area, and a response time from a start of a measurement of the gas sensor until an output of the measurement result. The gas leakage detection apparatus may include a detection unit that detects a leakage of the target gas in the target area based on the measurement result and the response time. The detection unit may detect the leakage of the target gas in the target area based on the measurement result and location information of the moving object, to identify a gas leakage spot.
Gas detecting devices and in particular volatile substance sensors such as breath alcohol devices sensors. The semiconductor gas sensor device includes a laser structure and an optical waveguide resonator formed in a same compound semiconductor which includes at least one optical emission layer and one optical propagation layer. The optical waveguide resonator is formed in the optical propagation layer and is to its greater part separated from the remaining portion of the optical propagation layer. The laser structure is provided adjacent to a portion of the optical waveguide resonator and arranged to transmit electromagnetic radiation at a specific wavelength band to the optical waveguide resonator arranged to resonate at that specific wavelength band.
G01N 15/075 - Investigating concentration of particle suspensions by optical means
H10F 30/221 - Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes the potential barrier being a PN homojunction
H10F 71/00 - Manufacture or treatment of devices covered by this subclass
A current sensor includes a first lead frame having a first terminal portion and a conductive portion coupled to the first terminal portion, wherein a measurement current measured by the at least one magnetoelectric conversion element flows through the first terminal portion and the conductive portion; and a signal processing IC that processes a signal output from the at least one magnetoelectric conversion element, arranged on a second surface side opposing a first surface of the conductive portion, having a circuit surface with the at least one magnetoelectric conversion element arranged thereon. The conductive portion has a first corner between a first end surface opposing a side coupled to the first terminal portion and a second surface facing the signal processing IC, and a second corner between the first end surface and a first surface opposing the second surface facing the signal processing IC.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Provided is a pulse generation circuit that receives a clock signal and outputs a delayed pulse signal, including: a first delay-locked loop circuit that receives the clock signal and generates a first delay signal obtained by delaying the clock signal; a second delay-locked loop circuit that generates a second delay signal with reference to the first delay signal; and an output circuit that outputs the delayed pulse signal according to the first delay signal and the second delay signal. The second delay-locked loop circuit may have: a second charge pump that outputs a current according to the clock signal and the delayed pulse signal; and a second delay circuit that outputs the second delay signal obtained by delaying the clock signal according to a current output by the second charge pump.
H03L 7/081 - Details of the phase-locked loop provided with an additional controlled phase shifter
H03L 7/089 - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
There is provided a current measurement module. The current measurement module includes: a conductor including two main body portions arranged side by side in a first direction, and two current path portions arranged side by side in a second direction orthogonal to the first direction with a through hole interposed therebetween and for connecting the two main body portions; and a magnetic field sensing element including a magnetosensitive surface for detecting magnetic fields generated by currents flowing through the two current path portions, wherein the through hole has a protruding portion which locally protrudes in the second direction only on one side adjacent to a current path portion, and, in the current path portion on the one side, a narrow portion having a narrower width in the second direction than that of another current path portion on another side is formed.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A compact and highly accurate optical density measuring apparatus that includes an ellipsoidal mirror and a folding mirror is provided. In the optical density measuring apparatus, the shape of at least a part of the inner surface of a light guiding part is composed of a figure of a part of an ellipsoid E, and a shape of at least a part of another portion of the inner surface of the light guiding part is composed of a figure of a part of a plane or a quadric surface. 60% or more of the area of a light source region of a light emitting part is present in a region Rin, and 60% or more of the area of a light receiving region of a light receiving part is present in a region Rout.
There is provided a current measurement module including: a conductor which has two main body units arranged side by side in a first direction, and two current paths arranged side by side across a through hole in a second direction perpendicular to the first direction, and connecting the two main body units; and two magnetic detection elements which include magnetic sensing surfaces for detecting a component in a third direction perpendicular to the first direction and the second direction, in magnetic fields that are generated by currents flowing through the two current paths, and which are arranged side by side in the second direction, in which when viewed from the third direction, the two magnetic detection elements are arranged inside the through hole, and in the second direction, a center position between the two magnetic detection elements is close to either one of the two current paths.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
A current sensor may include a detection unit which outputs a detection signal corresponding to a magnetic field generated around a conductor by a flow of a measurement current therein; an amplification circuit, including a first input terminal, a second input terminal, and an output terminal, which amplifies the detection signal input via the first input terminal and outputs an output signal via the output terminal; and a control circuit which is capable of inputting an offset signal to the first input terminal. The amplification circuit may be configured to be capable of switching at least a first amplification factor and a second amplification factor, and the control circuit may turn off the input of the offset signal to the first input terminal during a period in which the first amplification factor is set, and turn on it during a period in which the second amplification factor is set.
An information processing device is provided, including a data acquisition unit that emits an electromagnetic wave to a target object and acquires measurement data generated from a reflected wave from the target object and a conversion condition determination unit that determines whether the conversion condition to convert at least a part of the measurement data into sound data is met; and a data conversion unit that converts at least a part of the measurement data into the sound data if the conversion condition is met. The conversion condition determination unit may determine whether the conversion condition is met based on the measurement data.
A magnetic sensor 60 includes a substrate 61; a plurality of magneto-resistive elements 51 disposed on the substrate, wherein a part of the plurality of magneto-resistive elements is assembled into a Wheatstone bridge circuit to form a magneto-electric conversion unit 62a and another part is assembled into a Wheatstone bridge circuit to form a magneto-electric conversion unit 62b; and a plurality of electrode pads 63#1 to 63#6 disposed on the substrate including a first and a second electrode pad connected to the drive terminal VDD and the ground terminal GND of the magneto-electric conversion units 62a, 62b, respectively, a third and a fourth electrode pad connected to two output terminals Npa1, Npa2 of the magneto-electric conversion unit 62a, respectively, and a fifth and a sixth electrode pad connected to the two output terminals Npb1, Npb2 of the magneto-electric conversion unit 62b, respectively.
A magnetic sensor 50 includes a first magneto-electric conversion unit 50a including a resistive side Ra, a resistive side Rb, a resistive side Rc, and a resistive side Rd, each formed by connecting a plurality of magnetoresistive elements 51 in series, wherein the magnetic sensing directions of a resistive side Ra and a resistive side Rd are identical to each other, magnetic sensing directions of the resistive side Rb and the resistive side Rc are identical to each other and opposite to the magnetic sensing directions of the resistive side Ra and the resistive side Rd, the resistive side Ra and the resistive side Rb are connected in series, the resistive side Rc and the resistive side Rd are connected in series and are connected in parallel to the resistive side Ra and the resistive side Rb to be assembled into a Wheatstone bridge circuit.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A current sensor comprises a first lead frame, a signal processing IC, first and second magnetoelectric conversion elements, and a second lead frame that partially surrounds the first and second magnetoelectric conversion elements. In a plan view, the first and second magnetoelectric conversion elements may oppose each other with an intermediate portion, through which a current flows in a second direction that intersects with a first direction from the first magnetoelectric conversion element toward the second magnetoelectric conversion element, sandwiched therebetween. First wires may extend in a direction different from the second magnetoelectric conversion element side in the plan view, and be electrically connected to the signal processing IC without traversing the second lead frame. Second wires may extend in a direction different from the first magnetoelectric conversion element side in the plan view, and be electrically connected to the signal processing IC without traversing the second lead frame.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
37.
CERTIFICATION SYSTEM, CERTIFICATION METHOD, AND COMPUTER READABLE RECORDING MEDIUM
Solution: A certification system includes: an obtainment unit which obtains a result of identification of a user performed based on user information regarding the user and obtains state information indicating a specific state of the user from a state detection apparatus which detects the specific state of the user; and a certification unit which certifies that a state of the user satisfies a predetermined condition, based on the result of the identification of the user and on the state information. The obtainment unit obtains, from a calibration unit which executes calibration of the state detection apparatus, management information for the state detection apparatus. The certification unit certifies that the state of the user satisfies the predetermined condition, based further on the management information.
A gas sensor is provided in which size of a filter can be decreased and optical path design is facilitated. The gas sensor includes: a light source (20) that has an active layer; a first sensor (32) disposed so that light emitted from the light source is incident thereon, configured to detect a state of a space; a second sensor (31) disposed so that light emitted from the light source is incident thereon, used to compensate for temperature variation or elapsed time variation of the first sensor; a first wavelength limiter configured to limit wavelengths of light emitted from the active layer that reach the first sensor and the second sensor, connected to the light source without the space intervening; and a second wavelength limiter configured to limit wavelengths of light emitted from the active layer that reach the second sensor, connected to the second sensor without the space intervening.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
39.
SLAVE DEVICE, COMMUNICATION SYSTEM, IMAGING DEVICE, MASTER DEVICE, AND DATA COMMUNICATION METHOD
Provided is a slave device that performs data communication with a master device via a bus. The slave device includes: an ID storage unit that stores an ID; and a communication unit that receives a control signal, including address information indicating a common address for the plurality of slave devices, specifying information specifying at least one slave device targeted for data communication, and data length information, and, in response to the specifying information in which its own slave device is not selected, determines not to communicate with the master device, and, in response to the specifying information in which its own slave device is selected, decides an order of the slave device to read or write data with a data length indicated in the data length information from/to a register of the slave device according to the ID and the specifying information.
An IC chip that controls a driving mechanism that drives an optical element based on a control signal is provided. The IC chip comprises a generation unit that generates the control signal for moving the optical element to a target position while suppressing sound generated due to the driving by the driving mechanism, based on a detection signal indicating a position of the optical element and relationship information indicating a relationship between an index corresponding to a magnitude of the sound generated due to the driving by the driving mechanism and a position of the optical element.
G03B 13/22 - Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera coupling providing for compensation upon change of camera lens
G02B 7/28 - Systems for automatic generation of focusing signals
This current sensor comprises: a first lead frame that includes a first terminal part and a first conductor part; a second lead frame that includes a second terminal part and a second conductor part, is thinner than the first lead frame, and is electrically insulated from the first lead frame; at least one magnetoelectric conversion element; and a signal processing IC. The first conductor part has a first portion facing the first surface of the signal processing IC, and a second portion that is connected to the first portion and is positioned closer to the second surface side of a sealing part than the first portion, thereby forming a first step portion together with the first portion, and that is connected to the first terminal part. When viewed from a direction from the first side surface to the second side surface of the sealing part, the second conductor part and the signal processing IC are positioned between a second surface of the first portion opposite to the first surface of the first portion facing the first surface of the sealing part and a second surface of the second portion opposite to the first surface of the second portion facing the first surface of the sealing part.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
H01L 23/48 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements
Provided is a gas sensor that senses gas to be sensed, comprising a light emitting unit that radiates light; a first light receiving unit that receive at least a part of the light that passed through the gas to be sensed, and outputs a first light reception signal according to a light reception result; a second light receiving unit that receives at least a part of the light that did not pass through the gas to be sensed, and outputs a second light reception signal according to a light reception result; and an operating unit that senses that condensation has occurred in a light path from the light emitting unit to the first light receiving unit based on the first light reception signal and the second light reception signal.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 33/497 - Physical analysis of biological material of gaseous biological material, e.g. breath
43.
BREATH SENSOR, GAS SENSOR, AND BREATH SENSING METHOD
Provided is a breath sensor which senses a breath generated by breathing, including: a light emitting unit which emits light toward a path through which the breath passes; a first light receiving unit which receives at least a part of the light emitted from the light emitting unit and outputs a first light reception signal according to a light reception result; and an operating unit which performs an operation on the first light reception signal, wherein the operating unit calculates a baseline of a waveform of based on a frequency component of the first light reception signal lower than a first cut-off frequency that is set, and senses the breath based on a signal obtained by removing the baseline from the first light reception signal.
An information processing apparatus includes: a communication unit which receives statistical information transmitted from a sensor, the sensor having a measuring unit which measures environment information regarding environment in a target space and a statistics generation unit which generates, based on the environment information, the statistical information regarding the environment of the target space, a derivation unit which derives, based on the statistical information, a comfort index representing a comfort level of the target space according to a predetermined derivation method, and a generation unit which generates comfort information representing the comfort index of the target space.
Provided is a current detection device, comprising at least two bus bars each of which includes a magnetic detection element, a first current path having a larger cross-sectional area, and a second current path having a smaller cross-sectional area, the first current path and the second current path sandwiching the magnetic detection element, wherein the at least two bus bars are arranged such that the first current paths face each other. The current detection device may further comprise another bus bar that is arranged between the at least two bus bars, and includes a magnetic detection element, a third current path having a large cross-sectional area, and a fourth current path having a small cross-sectional area, to the third current path and the fourth current path sandwiching the magnetic detection element.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
There is provided an integrator including: a first order delay unit which outputs an output signal obtained by delaying a signal in accordance with an input signal; a first feedback unit which generates a first feedback signal in accordance with the output signal; a second feedback unit which generates a second feedback signal in accordance with the output signal; an addition and subtraction unit which adds and subtracts the first feedback signal and the second feedback signal, respectively, to and from the input signal, for an input to the delay unit; and a control unit which causes the second feedback unit to operate as a delay circuit during the first period, and causes the second feedback unit to operate as a gain circuit having a gain smaller than 0 during the second period.
A signal processing circuit of a current sensor has: a voltage detection circuit which detects a common mode voltage obtained by combining voltages of first signals respectively outputted from the pair of first output terminals; a differential amplifier circuit which outputs a signal obtained by amplifying each of the first signals with a predetermined gain, when the common mode voltage is equal to or lower than a predetermined threshold voltage, and which outputs a signal obtained by amplifying each of the first signals with a gain lower than a predetermined gain, when the common mode voltage exceeds the predetermined threshold voltage; and a correction circuit which corrects an output signal of the differential amplifier circuit, and the signal processing circuit derives a current value of the current flowing through the conductor, based on the output signal corrected by the correction circuit.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
49.
ESTIMATION APPARATUS, ESTIMATION METHOD, AND COMPUTER READABLE MEDIUM
An estimation apparatus which estimates at least one of a position or a posture of a second portion relative to a first portion includes a derivation unit which derives a difference between a first value based on a first measured value according to a position or a posture of the second portion relative to the first portion measured by the magnetic sensor and a second value based on a second measured value according to a position or a posture of the second portion relative to the first portion measured by the gyro sensor; and an estimation unit which estimates a position and a posture of the second portion relative to the first portion based on at least one of the first value or the second value and the difference.
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
G01C 19/00 - GyroscopesTurn-sensitive devices using vibrating massesTurn-sensitive devices without moving massesMeasuring angular rate using gyroscopic effects
50.
INFORMATION PROCESSING APPARATUS AND SENSING METHOD
An information processing apparatus which senses an object by using an FMCW radar, wherein the information processing apparatus comprises: a data processing unit acquiring an angle power spectrum by performing angle FFT on a received signal; an acquisition unit acquiring an angle peak bin indicating an angle with the object; an extraction unit extracting an output signal corresponding to the power spectrum signal; and a correction unit correcting a phase of the output signal in accordance with a bin number of the plurality of peak bins, wherein the data processing unit applies a window function higher in order than a rectangular window function when performing the angle FFT, and the correction unit corrects the phase of the output signal so that a phase difference to be added or subtracted is (N−1)/2×π×sin(θ(i)) [rad] in accordance with the bin number of the angle peak bin.
A semiconductor apparatus includes a gate insulating film, a well region of a first conductivity type located on a surface layer of a semiconductor substrate, a source region of a second conductivity type and a drain region of the second conductivity type located on a surface layer of the well region, a first region of the second conductivity type, and a second region of the first conductivity type. The first region is located between the source region and the drain region and is buried in the well region. The second region is located between the first region and the gate insulating film. A burying depth of the first region in the well region from the surface of the semiconductor substrate is 50 nm or more.
H01L 29/08 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
H01L 21/265 - Bombardment with wave or particle radiation with high-energy radiation producing ion implantation
H01L 21/324 - Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
A PLL circuit including a digitally controlled oscillator outputting, as an output signal, a signal having a frequency modulated according to a control signal, a detection unit detecting a difference in at least one of a ratio or a phase of a frequency between the output signal and a reference signal, a digital loop filter smoothing an output indicating the difference output from the detection unit and outputs, as the control signal, a resulting output to the digitally controlled oscillator, a control signal storage unit storing, as a previous control signal, a digital value based on the control signal output from the digital loop filter in a predetermined period immediately before end of a chirp operation period, and a control unit controlling the digital loop filter such that the control signal output from the digital loop filter immediately after start of the chirp operation period is the previous control signal.
H03L 7/093 - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
H03L 7/099 - Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
H03L 7/107 - Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
Solution: Provided is a current measurement module comprising: a conductor comprising two main body portions and two current paths having cross-sectional areas different from each other, wherein the two current paths are disposed between the two main body portions and extend in parallel to each other with a gap provided therebetween; two magnetic field sensing elements which each have a magnetosensitive surface disposed such that magnetic fields generated by currents flowing through the two current paths penetrate through the magnetosensitive surface in opposite directions to each other; and a substrate which supports the two magnetic field sensing elements and is attached to the conductor, wherein the substrate is inserted into the gap, and a distance between the two magnetic field sensing elements and an inner end of a current path of the two current paths having a smaller cross-sectional area is smaller than a distance between the two magnetic field sensing elements and an inner end of a current path of the two current paths having a larger cross-sectional area.
Provided is an estimation apparatus for estimating a position and an attitude of a second portion with respect to a first portion in an apparatus including the first portion, the second portion, a movable mechanism which changes at least one of the position or the attitude of the second portion with respect to the first portion, at least one magnetic sensor provided in one of the first portion or the second portion, and a magnet section which is provided in another of the first portion or the second portion and which provides a magnetic field measured by the at least one magnetic sensor. The estimation apparatus includes an update unit which updates the reference information indicating a combination of measured values based on a correlation of measured values of the at least two components in the at least one direction measured by the at least one magnetic sensor.
G01B 7/008 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points using coordinate measuring machines
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
A gas sensor (1) includes a gas measuring unit (40) including a light source (11) provided on a substrate, a detector (41) provided on the substrate and configured to detect a signal based on light emitted from the light source, and a gas detection space (42) provided with a hole for gas to pass through. The natural frequency of a resonance mode of the gas measuring unit is f, and the driving frequency of the light source is from 0.9f or more to 1.1f or less. A distribution of sound pressure is generated in the gas detection space by driving of the light source, and the light source and the detector are each arranged in a region that is 70% or more of the maximum absolute value of the sound pressure.
Provided is an estimation apparatus for estimating a position or an attitude of a second portion with respect to a first portion in an apparatus including the first portion, the second portion, a movable mechanism, a magnetic sensor, and a magnet section. The estimation apparatus includes an estimation unit which performs, based on a combination of measured values and reference information, an estimation of the position or the attitude of the second portion with respect to the first portion. The reference information includes first reference information and second reference information. The estimation apparatus includes a selection unit which selects, according to a degree of coincidence between the combination of the measured values and each of the first reference information and the second reference information, the first reference information or the second reference information which has a higher degree of coincidence as the reference information for the estimation.
This infrared sensor module is compact and capable of highly accurate infrared detection. The infrared sensor module (10) includes a quantum infrared sensor (11) configured to detect light in an infrared region, a signal processor (21) electrically connected to the quantum infrared sensor, a thermal conductor (15) in contact with the signal processor and disposed at a different position than the quantum infrared sensor in plan view, and a seal (14) configured to seal the quantum infrared sensor, the signal processor, and the thermal conductor integrally. A light-receiving surface of the quantum infrared sensor and a portion of the thermal conductor are exposed from the seal, and the thermal conductor is configured by a material with higher thermal conductivity than resin.
A magnetic sensor 50 includes: a resistor arm Ra having: a plurality of magneto resistive elements 51a; an electrode piece 52a which connects upper surfaces of two magneto resistive elements 51a; and an electrode piece 53a which connects lower surfaces of two magneto resistive elements 51a, where the plurality of magneto resistive elements 51a are alternately connected in array sequence by the electrode pieces 52a and 53a; and a resistor arm Rb having: a plurality of magneto resistive elements 51b; an electrode piece 52b which connects upper surfaces of two magneto resistive elements 51b; and an electrode piece 53b which connects lower surfaces of two magneto resistive elements 51b, where the plurality of magneto resistive elements 51b are alternately connected in array sequence by the electrode pieces 52b and 53b.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
An optical device with improved device orientation identifiability is provided without increasing manufacturing cost. An optical device (100) includes an optical element (10), a first lead frame portion (21) with opening hole (23), a second lead frame portion (22), wires (40), and a sealing material (70). A light-receiving or light-emitting surface of the optical element that is disposed in the opening hole and the second lead frame portion are each exposed at least partially from a first surface. On the first surface viewed from the front, the first lead frame portion has a rotation axis extending perpendicular to the first surface that is 180° rotationally symmetrical. The second lead frame portion exposed on the first surface has a shape that is 180° rotationally asymmetric with respect to the rotation axis. The optical element and the first lead frame portion overlap at least partially in a side view.
An optical member (30) includes a reflective structure (32) including a metallic thin film or an optical thin film, a metal body electrically disconnected from the reflective structure (32), and a support (31) integrally sealing and supporting the reflective structure (32) and the metal body. The reflective structure (32) is exposed from a first surface of the support (31). The metal body is exposed from the support (31) on a second surface opposite the first surface from which the reflective structure (32) is exposed, and on at least one side different from the first surface and the second surface.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
Provided are a miniaturized gas sensor and optical device enabling accurate measurement. A gas sensor (10) includes a light emitter (11) emitting light as infrared light, a detector (12) detecting a signal based on light from the light emitter, a light guide (17) at least including a mirror and reflects the light to form an optical path in which the light from the light emitter passes through an introduced gas and an optical filter (16) disposed in an optical path to limit a transmission wavelength band of the light, in which a base material of the optical filter has a refractive index of 1.5 or more in the transmission wavelength band and the optical filter satisfies 0.3<(T/Lf)<1.3 where T [mm] is a thickness of the optical filter and Lf [mm] is a maximum length of the optical filter in a longitudinal direction in a planar view.
Provided is a drive apparatus including: a first drive unit group including first drive units, each for generating a magnetic field to drive a first object provided with a first lens and magnet in an optical axis direction; and a second drive unit group including second drive units, each for generating a magnetic field to drive a second object provided with a second lens and magnet in the direction. Each of the first and second drive units includes a first and second terminal connected via a clock and data signal line to a master controlling the drive unit as a slave. In at least one of the first drive units, the first and second terminals are respectively forward-connected to the clock and data signal lines. In at least one of the second drive units, the second and first terminals are respectively reverse-connected to the clock and data signal lines.
Provided is a rectifying circuit comprising: a first connection portion which couples drain terminals of a first transistor and a second transistor; a first bias unit which biases an alternating current voltage component of alternating current electric power according to magnitude of amplitude of the alternating current voltage component and inputs the alternating current voltage component, which has been biased, to a gate terminal of the first transistor; and a second bias unit which biases the alternating current voltage component of the alternating current electric power inputted to according to the magnitude of the amplitude of the alternating current voltage component and inputs the alternating current voltage component, which has been biased, to a gate terminal of the second transistor.
H02M 7/219 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
65.
CONTROL METHOD, CONTROL APPARATUS, IMAGE CAPTURING APPARATUS, AND COMPUTER READABLE STORAGE MEDIUM
Provided is a program for causing a computer to function as a control apparatus which controls m+n control circuits. The program causes the computer to perform: acquiring position information from m+n position sensors, acquiring a target posture information with degrees of freedom components associated with a movement or a rotation of a movable member, deriving correction information indicating a corrective component for correcting misalignments of target positions of the movable member due to at least one of n degrees of freedom components based on at least one value of m+n values indicated in the position information, deriving m+n target positions of the movable member based on m degrees of freedom components indicated in the target posture information, the corrective component indicated in the correction information, and a set of coefficients, and outputting target position information indicating the target positions of the movable member to the m+n control circuits.
G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
H01F 7/06 - ElectromagnetsActuators including electromagnets
H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
A current sensor may include a first support portion and a first lead frame which is made of a material different from that of the first support portion. The current sensor may include: a signal processing IC which has a first surface supported by a first surface of the first support portion and is electrically connected to the first lead frame; at least one magnetoelectric conversion element which is configured separately from the signal processing IC, is mounted on a second surface on a side opposite to the first surface of the signal processing IC, and outputs, to the signal processing IC, a signal processed by the signal processing IC; and a second lead frame which has a second terminal portion, at least a part of which is arranged to face the second surface of the signal processing IC, and through which a measurement current flows.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
An optical concentration measuring apparatus (1) that includes: a light emitter (3) on a main surface (20) of a substrate (2) that emits light from a light-emitting surface; a light receiver (4) on the main surface of the substrate that receives light at a light-receiving surface; and a light guide (5) that guides light emitted by the light emitter to the light receiver. The light guide includes a first reflector (51) and a second reflector (52) that are connected to the main surface of the substrate and are opposite each other in an overhead view of the main surface of the substrate. The second reflector includes two quadric surfaces. The first reflector includes a main reflective surface (53) that is a quadric surface and two secondary reflective surfaces (54) that are quadric surfaces and are integrally formed at portions of the main reflective surface.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
Provided is a drive circuit that drives a piezoelectric actuator for driving an optical element, the drive circuit comprising: a drive unit that, on the basis of a detection position indicating the detected position of the optical element and a target position to which the optical element is to move, generates a drive signal for controlling the movement speed of the optical element; and a filter unit that suppresses the frequency of fluctuation of the movement speed due to the drive signal. The filter unit may dampen components higher than 100 Hz within the frequency of fluctuation of the movement speed.
An optical physical quantity measuring apparatus (1) includes a light-emitting element (L), light-receiving elements (S) including at least a first light-receiving element and a second light-receiving element, and a reflector. The light-emitting element has a different radiation spectrum depending on a radiation direction and emits light at least at a first radiation angle, a second radiation angle, and a third radiation angle into a space in which an object to be measured is located. The reflector causes light emitted from the light-emitting element in different radiation directions to reach different positions. The first light-receiving element is arranged in an optical path formed by light emitted at the first radiation angle. The second light-receiving element is arranged in an optical path formed by light emitted at the second radiation angle. An absorber or a void is provided in an optical path formed by light emitted at the third radiation angle.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
A current sensor 100 comprises: a conductor 24 in which a to-be-measured current flows; a magnetoelectric conversion element 34 that is arranged to be separated from the conductor, whose upper surface is positioned below a center of the conductor in a thickness direction in a side view, and the upper surface is positioned above a lower surface of the conductor; a magnetic flux concentrator 36 that is arranged on the upper surface of the magnetoelectric conversion element, whose upper end is positioned above an upper surface of the conductor in a side view, and whose lower end is positioned below the center of the conductor in the thickness direction; a support member 18 that supports the magnetoelectric conversion element; and a package 9 that encapsulates the conductor, the magnetoelectric conversion element, the magnetic flux concentrator, and the support member.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
71.
Control circuit, DC-DC converter, and energy harvesting system
There is provided a control circuit which controls a DC-DC converter which boosts an output voltage of an input source and outputs the output voltage which has been boosted, in which the DC-DC converter has a boost coil, and a capacitor, and the control circuit includes: an input terminal into which the output voltage is input; a first transistor arranged between the input terminal, and the boost coil and the capacitor; and a switch activation unit which boosts the output voltage, and applies the output voltage, which has been boosted, to a control terminal of the first transistor.
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 3/12 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power
H02M 3/07 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode
This semiconductor package may comprise: a first lead frame; an element which outputs a signal that corresponds to the current flowing through the first lead frame; a second lead frame which is electrically insulated from the first lead frame, and outputs a signal that corresponds to the signal from the element; and a sealing part which seals the element, a part of the first lead frame and a part of the second lead frame with a resin. A terminal portion of the first lead frame may be exposed from a first surface of the sealing part. A terminal portion of the second lead frame may be exposed from a second surface of the sealing part, the second surface being opposite to the first surface in a first direction. The sealing part may have at least one groove, which extends in a second direction that intersects with the first direction, in at least one surface other than the first surface and the second surface.
H01L 23/28 - Encapsulation, e.g. encapsulating layers, coatings
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
H01L 23/50 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements for integrated circuit devices
H01L 25/00 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices
There is provided a sensor system including a reward transmission unit which transmits a reward for calibration by a calibration unit. The calibration unit calibrates an environmental measurement value of a measurement target that is measured by a second environmental sensor, based on first calibration information for calibrating an environmental measurement value of a measurement target that is measured by a first environmental sensor. The sensor system may further include: a first sensor device having a calibration information transmission unit which transmits the first calibration information; and a second sensor device having a receiving unit which receives the first calibration information that is transmitted by the calibration information transmission unit, and the calibration unit.
Provided is an electric power supply system comprising: an energy harvesting electric power source; and a switching electric power source apparatus which boosts an input voltage supplied from the energy harvesting electric power source for an output, where the switching electric power source apparatus has: an input terminal; an output terminal; a coil; a first switch; a diode; a capacitor; a voltage conversion unit which outputs a converted voltage that is based on the input voltage; and a switch control circuit which outputs a signal having a frequency corresponding to the converted voltage and driving the first switch, where the voltage conversion unit converts the input voltage such that an output impedance of the energy harvesting electric power source and an input impedance of the switching electric power source apparatus have closer values than in a case where the input voltage is inputted to the switch control circuit.
H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power
H02M 3/06 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
A current sensor is configured such that at least one magnetoelectric conversion element, a conductor, a signal processing IC, an IC supporting portion, and an element supporting portion are encapsulated with an encapsulating portion. The current sensor is comprised of a pair of first lead terminals that is partially exposed outside the encapsulating portion, is electrically connected to the conductor, inputs a measurement current to the conductor, and outputs the measurement current from the conductor; and a metal member that is partially exposed outside the encapsulating portion and is spaced apart from the conductor. The element supporting portion further supports the metal member on a surface on the same side as a first surface on which the IC supporting portion supports the signal processing IC.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A magnetic sensor comprises a die pad, a first and second magnetoelectric conversion units, and a signal processing unit which processes signals output from the first and second magnetoelectric conversion unit. The die pad includes a first frame portion including a fifth and sixth frame portions, a second frame portion including a seventh and eighth frame portions, a third frame portion, a fourth frame portion, and a coupling portion. At least one of the third, fifth, or seventh frame portions has a first gap which reaches to a first space portion surrounded by the coupling portion, and the third, fifth, and seventh frame portions from an outer edge, and at least one of the fourth, sixth, or eighth frame portions has a second gap which reaches to a second space portion surrounded by the coupling portion, and the fourth, sixth, and eighth frame portions from an outer edge.
A current sensor is configured by at least one magnetoelectric conversion element, a conductor, and a signal processing IC being encapsulated by an encapsulating portion. The current sensor includes a pair of first lead terminals that is partially exposed outside of the encapsulating portion, is electrically connected to the conductor, inputs the measurement current to the conductor, and outputs the measurement current from the conductor; a metal member that is partially exposed outside the encapsulating portion and is spaced apart from the conductor; and a supporting portion that supports the at least one magnetoelectric conversion element, the signal processing IC, and the metal member on a first surface, is separated from the conductor, and is separate from the metal member.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
The authentication apparatus includes a communication unit which receives statistical information for a target transmitted from a sensor, the sensor having a measuring unit which measures environment information regarding surrounding environment of the target existing in a space and a statistics generation unit which generates, based on the environment information, the statistical information regarding the surrounding environment of the target, an authentication unit which authenticates, based on the statistical information, that the statistical information is information regarding the surrounding environment of the target, and an issuing unit which, when the statistical information has been authenticated by the authentication unit, issues an electronic certificate certifying that the statistical information authenticated is the statistical information for the target.
Provided is an apparatus including: a first input circuit which inputs signal from a first communication line; a second input circuit which inputs a signal from a second communication line; a reference voltage generation circuit which generates a reference voltage; and a comparison circuit which compares the reference voltage with a voltage of the first communication line. The first input circuit and the second input circuit adjust judgement thresholds to be used for judging a signal value according to the comparison result obtained by the comparison circuit.
A photoelectric conversion element includes a semiconductor module (21) including a semiconductor element member (10) and a seal (20) covering a side of the semiconductor element member, the semiconductor element member including a light emission/irradiation surface (10a) configured to emit or be irradiated by light, a semiconductor substrate (111), a semiconductor layer (112), and an electrode (113), and an insulating layer (31) provided on one surface of the semiconductor module and covering a redistribution wire of the electrode and of an external connection terminal. The insulating layer includes a first insulating layer (311) and a second insulating layer (312) with the redistribution wire provided therebetween and is formed so as not to cover at least a portion of the semiconductor layer, or so as to cover at least a portion of the semiconductor layer thinly as compared to the thickness of the insulating layer that covers the redistribution wire.
H01L 33/20 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
Provided is an IC chip comprising: a plurality of magnetic sensors which detect magnetic fields according to positions of the movable body in the first direction and the second direction; a first position information setting unit which calculates a first relative position of the movable body with respect to a first drive range in the first direction in accordance with the magnetic fields detected by the plurality of magnetic sensors; a second position information setting unit which calculates a second relative position of the movable body with respect to a second drive range in the second direction in accordance with the magnetic fields detected by the plurality of magnetic sensors, a first target position adjustment unit which calculates a first target position in the first drive range; and a second target position adjustment unit which calculates a second target position in the second drive range.
A current sensor is configured such that at least one magnetoelectric conversion element, a conductor, and a signal processing IC are encapsulated with an encapsulating portion. The current sensor is comprised of a pair of first lead terminals that is partially exposed on a side surface of the encapsulating portion, is electrically connected to the conductor, inputs a measurement current to the conductor, and outputs the measurement current from the conductor; a metal member that is partially exposed on a side surface of the encapsulating portion and is spaced apart from the conductor; and an element supporting portion that is comprised of a metal plate or a semiconductor substrate, supports the at least one magnetoelectric conversion element and a metal member on a surface on a same side as the first surface, and is spaced apart from the conductor.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
84.
SIGNAL PROCESSING SYSTEM, SIGNAL PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM
Provided is a signal processing system including: an adaptive decimation filter apparatus which has a decimation filter which outputs an output signal obtained by down-sampling an input signal, and an aliasing noise detection unit which detects a magnitude of aliasing noise, which is folded back to a frequency lower than a Nyquist frequency in the output signal of the decimation filter by the down-sampling; and a signal processing apparatus which has a filter control unit which adjusts an order of the decimation filter on the basis of the magnitude of the aliasing noise, and an adaptive filter unit which performs filter processing on the output signal of the decimation filter.
Provided is a signal processing system including: an adaptive decimation filter apparatus which has a decimation filter which outputs an output signal obtained by down-sampling an input signal, and a filter control unit which outputs an adjustment signal which adjusts an order of the decimation filter on the basis of a characteristic of the input signal; and a signal processing apparatus which performs signal processing, which corresponds to the adjustment signal, on the output signal of the decimation filter.
Provided is an adaptive filter apparatus including: a decimation filter which outputs an output signal obtained by down-sampling an input signal; and a filter control unit which adjusts an order of the decimation filter on the basis of a characteristic of the input signal.
To provide a rotation angle sensor which outputs N periods (N>1) of a first signal of a first phase and a second signal of a second phase forming a predetermined phase angle with the first phase per single rotation of a rotating body. The rotation angle sensor includes a calibration parameter calculating part which calculates, in a mechanical angle of one angular range having a first mechanical angle different from a reference mechanical angle as its starting point, based on the first signal and the second signal, a calibration parameter which calibrates an error in a moving radius of the rotating body in the reference mechanical angle of the rotating body. The one angular range may have the first mechanical angle as its starting point and a second mechanical angle as its ending point.
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
G01D 18/00 - Testing or calibrating apparatus or arrangements provided for in groups
An optical device includes an optical filter having a substrate and a multilayer film having a plurality of layers with different refractive indexes formed on at least one side of the substrate, and an infrared light emitting and receiving device. The optical filter includes a wavelength range having an average transmittance of 70% or more with a width of 50 nm or more in a wavelength range of 2400 nm to 6000 nm, and has a maximum transmittance of 5% or more in a wavelength range of 6000 nm or more of the mid-infrared range.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
A control device that controls a load amount of a load device that receives supply of power output from a DC power supply is provided. The control device includes a setting unit that compares a voltage ratio in which a denominator is set to a first input voltage value indicating a magnitude of an input voltage applied when the load device is set to a first load amount, and a numerator is set to a second input voltage value based on a magnitude of an input voltage applied to the load device when it is set to a second load amount obtained by multiplying the first load amount by a predetermined first coefficient, and a determination value in accordance with the first coefficient, and executes a load amount setting process in which the load device is set to a new first load amount, until a predetermined condition is satisfied.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02M 3/00 - Conversion of DC power input into DC power output
90.
Clock generation apparatus, clock generation method, adjustment apparatus, adjustment method, and non-transitory computer readable medium
Provided is a clock generation apparatus which generates an output clock signal, comprising: a first voltage-controlled oscillator which outputs the output clock signal; an AD converter which includes: a second voltage-controlled oscillator which outputs an internal clock signal phase-locked to the output clock signal in response to a digital temperature signal having become a value corresponding to an analog temperature signal from a temperature sensor; a phase comparator which detects a phase difference between the output clock signal and the internal clock signal; and a digital temperature signal generator which generates a digital temperature signal according to the phase difference detected by the phase comparator, to output it to the second voltage-controlled oscillator; and a digital temperature compensation circuit which compensates a frequency of the output clock signal of the first voltage-controlled oscillator by using the digital temperature signal.
H03L 1/02 - Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
H03B 5/04 - Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
H03B 5/32 - Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
H03B 5/36 - Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
H03L 7/093 - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
H03L 7/22 - Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
H03L 7/23 - Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
91.
DISPLAY APPARATUS, DISPLAY METHOD, AND COMPUTER READABLE MEDIUM
To provide a display apparatus including a display part which displays an image of a virtual space, and a transmitting part. The display part further displays state information relating to a state of a reality space where an operator of the display part is present, and the transmitting part transmits, to control equipment which controls the state of the reality space, control information for controlling the state of the reality space. The display apparatus may further include a sensing part. The display part may further display a virtual input image in the virtual space. The transmitting part may transmit, when input to the virtual input image is sensed with the sensing part, the control information to the control equipment.
An infrared module that enables temperature regulation of an infrared sensor to be readily achieved and a method of correcting the infrared module are provided. The infrared module (10) includes an infrared sensor (11) that detects infrared radiation emitted from an object being measured, a computation and control processor (20) that includes a temperature measurement unit (22) that obtains a signal from the infrared sensor and measures a temperature of its own, the computation and control processor obtaining a temperature signal from the temperature measurement unit and performing a computation, and a heating element (60) that regulates a temperature of the infrared sensor by generating heat, wherein the infrared sensor and the computation and control processor are stacked.
A current sensor is configured such that at least one magnetoelectric conversion element, a conductor, a signal processing IC, an IC supporting portion, and an element supporting portion are encapsulated with an encapsulating portion. The current sensor is comprised of a pair of first lead terminals that is partially exposed outside the encapsulating portion, is electrically connected to the conductor, inputs a measurement current to the conductor, and outputs the measurement current from the conductor; and a metal member that is partially exposed outside the encapsulating portion and is spaced apart from the conductor. The element supporting portion further supports the metal member on a surface on the same side as a first surface on which the IC supporting portion supports the signal processing IC.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A current sensor is configured such that at least one magnetoelectric conversion element, a conductor, and a signal processing IC are encapsulated with an encapsulating portion. The current sensor is comprised of a pair of first lead terminals that is partially exposed on a side surface of the encapsulating portion, is electrically connected to the conductor, inputs a measurement current to the conductor, and outputs the measurement current from the conductor; a metal member that is partially exposed on a side surface of the encapsulating portion and is spaced apart from the conductor; and an element supporting portion that is comprised of a metal plate or a semiconductor substrate, supports the at least one magnetoelectric conversion element and a metal member on a surface on a same side as the first surface, and is spaced apart from the conductor.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A current sensor includes at least one magnetoelectric conversion element, a conductor that at least partially surrounds the at least one magnetoelectric conversion element in a plan view and through which a measurement current to be measured with the at least one magnetoelectric conversion element flows, an element supporting portion comprised of a semiconductor substrate, and supports the at least one magnetoelectric conversion element and the conductor on a first surface, a signal processing IC that processes a signal that is output from the at least one magnetoelectric conversion element, an encapsulating portion that encapsulates the at least one magnetoelectric conversion element, the conductor, and the signal processing IC, and a pair of first lead terminals that is partially exposed on a side surface of the encapsulating portion and is electrically connected to the conductor, inputs the measurement current to the conductor and outputs the measurement current from the conductor.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
H01L 31/109 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier or surface barrier the potential barrier being of the PN heterojunction type
H01L 31/0352 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
H01L 31/18 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
Provided is a TD converter including: a plurality of oscillators which at least include a first oscillator and a second oscillator receiving control signals input thereto, respectively, and operating in operating modes with oscillation frequencies different from each other, respectively, wherein each control signal indicates a time difference between a reference clock and a target clock; and a computation circuit which calculates a digital output value depending on the time difference, by using a plurality of pieces of phase information retained according to the reference clock in the plurality of oscillators, respectively.
H03L 7/099 - Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
G04F 10/00 - Apparatus for measuring unknown time intervals by electric means
H03L 7/081 - Details of the phase-locked loop provided with an additional controlled phase shifter
H03L 7/085 - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
98.
CURRENT MEASUREMENT MODULE, CURRENT MEASUREMENT CONDUCTOR, AND CURRENT MEASUREMENT DEVICE
Provided is a current measurement module including: a conductor which has two main body portions and two current paths disposed between the two main body portions and extending in parallel with a gap; two magnetic field sensing elements which each have a magnetosensitive surface disposed such that magnetic fields generated by current flowing through the two current paths penetrate the magnetosensitive surface in directions opposite to each other; and a substrate which supports the two magnetic field sensing elements and is attached to the conductor, the two main body portions each have a slit which extends from the gap and is narrower than the gap, and the substrate is inserted into the slit and the gap.
A gas sensor comprises first and second light emitting parts, first and second light receiving parts, and first and second optical path regions, wherein the optical path regions have a common region, a first light receiving part has a larger rate of change of an output signal with respect to a first gas than a second light receiving part, the second light receiving part has a larger rate of change of an output signal with respect to an second gas than the first light receiving part, the first light receiving part has a sensitivity peak wavelength closer to a first wavelength in an absorption wavelength band of the first gas than the second light receiving part, and the second light receiving part has a sensitivity peak wavelength closer to a second wavelength in an absorption wavelength band of the second gas than the first light receiving part.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
100.
Magnetic detection device, magnetic detection unit, magnetic detection system, and method for manufacturing magnetic detection unit
There is provided a magnetic detection device including: a substrate including: a hole portion into which a magnet is inserted from a side of one main surface; and a stopper for stopping, from a side of another main surface, the magnet inserted into the hole portion to prevent the magnet from protruding toward the side of the another main surface; and a magnetic sensor mounted at a position corresponding to the hole portion, in the another main surface. The substrate may include a first substrate, and a second substrate bonded to the first substrate from the side of the another main surface. The hole portion may be a first through hole formed in the first substrate. The stopper may include a region, in the second substrate, that closes the first through hole.
G01D 5/245 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
