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公开(公告)号：US10352681B2
公开(公告)日：2019-07-16
申请号：US15546789
申请日：2016-01-28
Inventor： Takumi Yoshiya
Abstract: To provide a displacement detection device that detects a displacement of a measuring object housed in a casing without changing the design of the casing or while suppressing the design change of the casing.A displacement detection device includes a pair of magnets arranged outside an injector body housing a needle with a space between the magnets and forming a magnetic field in the space, a soft magnetic material connected to the needle inside the injector body and displaced in accordance with the displacement of the needle and disposed in the magnetic field formed by the pair of magnets, and a sensor disposed outside the injector body and in the magnetic field formed by the pair of magnets, and detecting a change in magnetic flux density in accordance with the displacement of the soft magnetic material.
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公开(公告)号：US10317297B2
公开(公告)日：2019-06-11
申请号：US14735369
申请日：2015-06-10
Applicant: MELEXIS TECHNOLOGIES NV
Inventor： Appolonius Jacobus Van Der Wiel
Abstract: A semiconductor pressure sensor for measuring an external pressure exerted on the sensor, including: a membrane; a first resistor connected between a first bias node and a first output node; a second resistor connected between the first bias node and a second output node; a first and second current source connected to the first resp. second output node for generating a differential voltage signal indicative of the external pressure to be measured. The resistors including piezo-resistive strips arranged in particular crystallographic directions. The circuit may have a third and four resistor pair for compensating package stress. The Piezo-resistive strips may be formed as p-doped regions within an n-well, the biasing node being electrically connected to the n-well.
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公开(公告)号：US10302461B2
公开(公告)日：2019-05-28
申请号：US15550041
申请日：2016-02-18
Inventor： Takumi Yoshiya
Abstract: To provide a rotation detection device that has a miniaturized sensor IC in comparison with a prior art.A rotation detection device includes: a magnet that forms a magnetic field toward a tooth surface of a gear; and a sensor disposed between the magnet and the gear, the sensor including: at least a pair of magnetic detection elements x1 and x2 that outputs signals according to a magnetic flux density in a radial direction of the gear; and a magnetic concentrator that induces, in the radial direction of the gear, a component in a circumferential direction of the gear in the magnetic flux density on detection surfaces of the magnetic detection elements x1 and x2, the sensor detecting a variation in a magnetic flux density accompanying the rotation of the gear.
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公开(公告)号：US20190132919A1
公开(公告)日：2019-05-02
申请号：US16173157
申请日：2018-10-29
Applicant: Melexis Technologies NV
Inventor： Raik FROST , Thomas FREITAG
IPC: H05B33/08
Abstract: A method for calibrating a light emitting diode (LED) of a red-green-blue type is arranged for setting a pulse width modulation duty cycle and for supplying to the LED either a current having a first value or a current having a second value higher than the first value.
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公开(公告)号：US10178331B2
公开(公告)日：2019-01-08
申请号：US15101051
申请日：2014-12-02
Applicant: MELEXIS TECHNOLOGIES NV
Inventor： Volodymyr Seliuchenko
Abstract: A method for noise reduction in an imaging device comprises a 4T pixel in operation, whereby the 4T pixel comprises a pinned photodiode and a floating diffusion node. The method includes the steps of: detecting a signal impinging on the 4T pixel of the imaging device and integrating the charge of the detected signal simultaneously in the photodiode potential well and the potential well of the floating diffusion node; deriving a linear signal proportional to the detected signal from the charge in the photodiode potential well; deriving a compressed signal from the charge in the potential well of the floating diffusion node, while keeping the compressed signal separate from the linear signal, and the compressed signal being a non-linear function of the detected signal; and summing the linear signal and a linearized version of the compressed signal and performing a non-linear conversion on the summation signal to fit the imaging device's output range.
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Patent Agency Ranking
公开(公告)号：US10165639B2
公开(公告)日：2018-12-25
申请号：US15846704
申请日：2017-12-19
Applicant: MELEXIS TECHNOLOGIES NV
Inventor： Jian Chen , Thomas Freitag , Michael Bender
IPC: F21V15/01 , H05B33/08 , F21V23/00 , H01L25/075 , H01L25/16
Abstract: The present invention relates to an integrated-LED device having a housing, whereby the housing comprises a multi-LED device comprising a transparent substrate and a plurality of light emitting diodes, LEDs, arranged for emitting light and disposed on said transparent substrate, an integrated circuit in connection with said LEDs and arranged for controlling said LEDs, a base comprising one or more base extensions, on which at least said multi-LED device is mounted, with said one or more base extensions so arranged or so shaped that a first opening is created to let pass LED light emitted through said transparent substrate by said plurality of LEDs.
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公开(公告)号：US20180306909A1
公开(公告)日：2018-10-25
申请号：US15952706
申请日：2018-04-13
Applicant: Melexis Technologies NV
Inventor： Volodymyr SELIUCHENKO
CPC classification number: G01S7/4861 , G01S7/4914 , G01S7/493 , G01S17/36 , G01S17/89
Abstract: A pixel circuit for performing Time of Flight measurements comprises at least one optical sensor arranged for receiving a reference modulation signal and a light signal and arranged for outputting a photocurrent signal depending on the light signal and on a phase shift corresponding to a phase difference between the light signal and the reference modulation signal, and an integrator circuit comprising an integration capacitor, an amplifier, and switching mean. The switching means is arranged for resetting the integration capacitor in a reset mode, for connecting the integration capacitor between the at least one optical sensor and a voltage reference signal in a passive mode. The negative feedback loop is fed with the photocurrent signal of the at least one optical sensor, and for connecting a signal output by the integrator circuit to an output bus in a readout mode.
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公开(公告)号：US20180248559A1
公开(公告)日：2018-08-30
申请号：US15903112
申请日：2018-02-23
Applicant: Melexis Technologies NV
Inventor： Saad AHMAD , Volodymyr SELIUCHENKO , Sharath PATIL , Darrell LIVEZEY , Marcelo MIZUKI
CPC classification number: H03M1/122 , G01S7/4861 , G01S7/4863 , G11C7/1042 , G11C7/14 , G11C27/024 , H03M1/129 , H04N5/378
Abstract: A sample and hold system, for capturing and reading at least one input signal. The system comprises a readout device, a controller, an array of segments comprising a plurality of unit cells and a dummy unit cell, and segment switches between the segments and the readout device. The controller is adapted for controlling the system such that: during an acquisition phase a trace of samples is taken from the input signal and held in the unit cells; during a readout phase the samples in the unit cells or in the dummy unit cells of a segment are read out by readout device; after opening or closing the segment switches the dummy unit cell, is the first cell which is read out by the readout device.
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公开(公告)号：US10031003B2
公开(公告)日：2018-07-24
申请号：US14956770
申请日：2015-12-02
Applicant: Melexis Technologies NV , X-FAB Semiconductor Foundries AG
Inventor： Appolonius Jacobus Van Der Wiel , Uwe Schwarz , Rudi De Winter
Abstract: A method for manufacturing a system in a wafer for measuring an absolute and a relative pressure includes etching a shallow and a deep cavity in the wafer. A top wafer is applied and the top wafer is thinned for forming a first respectively second membrane over the shallow respectively deep cavity, and for forming in the top wafer first respectively second bondpads at the first respectively second membrane resulting in a first respectively second sensor. Back grinding the wafer results in an opened deep cavity and a still closed shallow cavity. The first bondpads of the first sensor measure an absolute pressure and the second bondpads of the second sensor measure a relative pressure. The etching in the first step defines the edges of the first membrane and of the second membrane in respectively the sensors formed from the shallow and the deep cavity.
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公开(公告)号：US10020294B2
公开(公告)日：2018-07-10
申请号：US15810827
申请日：2017-11-13
Applicant: Melexis Technologies NV
Inventor： Sebastian Spiegler , Thomas Freitag , Michael Bender
IPC: H05B33/00 , H01L25/16 , H05B33/08 , H05B37/02 , H01L33/60 , H01L27/144 , H01L25/075 , H01L31/0216
CPC classification number: H01L25/167 , H01L25/0753 , H01L27/1446 , H01L31/02162 , H01L33/60 , H05B33/0851 , H05B33/0869 , H05B37/0254
Abstract: A multi-LED device comprises a transparent substrate, a plurality of light emitting diodes, LEDs, arranged for emitting light of a plurality of colors and disposed on the transparent substrate, an integrated control circuit in connection with the LEDs and comprising a plurality of photo sensors optically connected to the LEDs. Each photo sensor is provided with a color filter. The integrated circuit is arranged for receiving via the plurality of photo sensors information on a light intensity of the plurality of colors of the LEDs and for regulating the light intensity of the colors of the LEDs based on the information on the light intensity. The transparent substrate with the plurality of LEDs is flip-chip mounted on the integrated control circuit.
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