-
公开(公告)号：US11668770B2
公开(公告)日：2023-06-06
申请号：US17122163
申请日：2020-12-15
Applicant: Melexis Technologies SA
Inventor： Gael Close , Samuel Huber Lindenberger
IPC: G01R33/038 , G01D5/14 , G01R33/07
CPC classification number: G01R33/038 , G01D5/145 , G01R33/07
Abstract: A position sensor system includes a magnetic source for generating a magnetic field, and a position sensor device movable relative to the magnetic source, or vice versa. The position sensor device comprises at least three magnetic sensor elements for measuring at least three magnetic field values of the magnetic field, and a processing circuit configured for determining at least two magnetic field gradients or magnetic field differences based on the at least three magnetic field values, and for deriving from the at least two magnetic field gradients or differences a first value indicative of a position of the position sensor device, and for deriving from the at least two magnetic field gradients or differences a second value indicative of integrity of the position sensor system.
-
32.发明授权公开(公告)号：US11668554B2
公开(公告)日：2023-06-06
申请号：US17188182
申请日：2021-03-01
Applicant: City University of Hong Kong , The University of Hong Kong
Inventor： Yajing Shen , Youcan Yan , Jia Pan
CPC classification number: G01B7/24 , G01L1/12 , G01R33/07 , G01R33/072 , G01R33/077 , G01V3/08 , G01D5/145 , G01D5/147 , G01D11/245
Abstract: An electromechanical sensor and a method of sensing an object or a tactile input using the sensor. The sensor includes: a base provided with a magnetic sensor arranged to detect a change in magnetic flux at the position of the magnetic sensor; a flexible film adjacent to the magnetic sensor; and a magnetic element provided on the flexible film; wherein the magnetic element is arranged to move relative to the magnetic sensor when the flexible film is reversibly deformed by an external force applied to the flexible film.
-
公开(公告)号：US20230171499A1
公开(公告)日：2023-06-01
申请号：US18160345
申请日：2023-01-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaoyong XU , Jia HU , Lei LU
IPC: H04N23/69 , H04N23/55 , H04N25/772 , H04N25/778 , G01R33/07
CPC classification number: H04N23/69 , H04N23/55 , H04N25/772 , H04N25/778 , G01R33/07
Abstract: Disclosed are a zoom method and an apparatus, to improve zoom accuracy of a camera module. The method includes: controlling, based on a target focal length, the lens to move in different subregions when the lens moves in an operation region, and determining position information of the lens based on a position detection relationship of a subregion in which the lens is currently located. The lens is controlled to move based on a position that is of the lens and that is detected when the lens moves, so that the lens can more accurately stop at a position corresponding to the target focal length. This helps improve focusing accuracy of the camera module.
-
34.发明授权公开(公告)号：US11650267B2
公开(公告)日：2023-05-16
申请号：US16953817
申请日：2020-11-20
Applicant: Infineon Technologies AG
Inventor： Tobias Werth , Catalina-Petruta Juglan
CPC classification number: G01R33/0029 , G01R33/0041 , G01R33/0088 , G01R33/07 , G01D5/2448
Abstract: A magnetic field sensor arrangement includes a magnetic field sensor element configured to provide a sensor output signal responsive to a magnetic field, wherein the sensor output signal is representative of a magnetic field amplitude; a processing module configured to provide a processed sensor output signal representative of the sensor output signal; a switching level calculation module configured to calculate a switching level, (1) during a power up mode, based on a default switching level, and (2) during a running mode, based on the processed sensor output signal; a comparator module configured to compare the processed sensor output signal with the switching level, and to provide a comparator output signal based on the comparison; and a storage module configured to store the default switching level, provide the default switching level during the power up mode, and update the default switching level during the running mode.
-
公开(公告)号：US20190148624A1
公开(公告)日：2019-05-16
申请号：US16243801
申请日：2019-01-09
Applicant: GLOBALFOUNDRIES Singapore Pte. Ltd.
Inventor： Eng Huat TOH , Ruchil Kumar JAIN , Yongshun SUN , Shyue Seng TAN
CPC classification number: H01L43/065 , G01R33/07 , H01L43/04 , H01L43/14
Abstract: A method of forming a 3D Hall effect sensor and the resulting device are provided. Embodiments include forming a p-type well in a substrate; forming a first n-type well in a first region surrounded by the p-type well in top view; forming a second n-type well in a second region surrounding the p-type well; implanting n-type dopant in the first and second n-type wells; and implanting p-type dopant in the p-type well and the first n-type well.
-
Patent Agency Ranking
公开(公告)号：US20190128972A1
公开(公告)日：2019-05-02
申请号：US15794296
申请日：2017-10-26
Applicant: Infineon Technologies AG
Inventor： Leneesh RAGHAVAN , Mario MOTZ
CPC classification number: G01R33/0041 , G01R33/07
Abstract: Magnetic field sensors and sensing methods are provided. A magnetic sensor includes at least one magnetic field sensor element configured to generate an analog input sensor signal in response to a magnetic field, an inverting amplifier configured to generate an analog output sensor signal having a gained value with respect to the analog input sensor signal, a programmable current divider disposed in a negative feedback path of the inverting amplifier such that the gained value is dependent on an effective feedback resistor value of the programmable current divider, and a digital controller configured to receive at least one measurement parameter, generate a codeword based on the at least one measurement parameter, and transmit the codeword to the programmable current divider for compensating the gained value. The effective feedback resistor value is adjusted based on the codeword received by the programmable current divider.
-
公开(公告)号：US20190107578A1
公开(公告)日：2019-04-11
申请号：US16154960
申请日：2018-10-09
Applicant: Melexis Bulgaria Ltd
Inventor： Rumen MARINOV PEEV , Stoyan GEORGIEV GAYDOV
IPC: G01R31/3185 , G01R31/3187 , G01R33/07 , H01L43/04 , H01L43/06
CPC classification number: G01R31/318511 , G01D18/00 , G01D21/00 , G01R31/3187 , G01R33/0035 , G01R33/07 , H01L43/04 , H01L43/065
Abstract: A sensor device comprises a sensor connected to a first signal and responsive to an external field to produce a sensor signal, a test device connected to a second signal and electrically connected in series with the sensor by an electrical test connection providing a test signal, and a monitor circuit electrically connected to the first, second and test signals. The monitor circuit comprises a processing circuit and a determination circuit. The processing circuit is responsive to the test signal and a predetermined processing value to form a processing output signal. The determination circuit is responsive to the processing output signal to determine a diagnostic signal. A sensor circuit responsive to the sensor signal provides a sensor device signal responsive to the external field.
-
公开(公告)号：US20190064287A1
公开(公告)日：2019-02-28
申请号：US15686307
申请日：2017-08-25
Applicant: Infineon Technologies AG
Inventor： Helmut KOECK , Simon HAINZ , Dirk HAMMERSCHMIDT
IPC: G01R33/07
CPC classification number: G01R33/07 , G01R33/072
Abstract: Magnetic field sensors and sensing methods are provided. A magnetic sensor configured to measure a magnetic field whose magnitude oscillates between a first extrema and a second extrema. The magnetic sensor includes a plurality of magnetic field sensor elements, each configured to generate a sensor signal in response to the magnetic field impinging thereon. The plurality of sensor elements are grouped into a first group from which a first measurement signal is derived and a second group from which a second measurement signal is derived, and the first measurement signal and the second measurement signal having phase difference of 90°. The magnetic sensor further includes a sensor circuit configured to receive the first measurement signal and the second measurement signal, and apply a signal conversion algorithm thereto to generate a converted measurement signal having an increased frequency with respect to the first measurement signal and the second measurement signal.
-
公开(公告)号：US20190025350A1
公开(公告)日：2019-01-24
申请号：US16021440
申请日：2018-06-28
Applicant: Yazaki Corporation
Inventor： Toshiaki FUKUHARA , Makoto SEI
IPC: G01R15/20 , G01R19/00 , G01R33/07 , H01M10/48 , H01R13/639
CPC classification number: G01R15/207 , G01R19/0092 , G01R31/364 , G01R33/07 , H01M10/48 , H01R13/639 , H01R13/6683
Abstract: Provided is a current detection device capable of reducing manufacturing cost. A current detection device 1 includes a plate-like bus bar, a printed circuit board on which a magnetic field detecting element is mounted, a magnetic member, and a housing holding these components. The bus bar can be assembled into the housing by sliding in its longitudinal direction. The housing includes a first rib pressing the bus bar to restrict a movement in a thickness direction of the bus bar, a second rib pressing the bus bar to restrict a movement in a width direction of the bus bar, and a retaining protrusion fitting into a cutout portion provided at both sides in a width direction of the bus bar so as to retain the bus bar in a longitudinal direction of the bus bar.
-
公开(公告)号：US20180302180A1
公开(公告)日：2018-10-18
申请号：US16013027
申请日：2018-06-20
Applicant: Sound Devices, LLC
Inventor： Matt Anderson , Steven Popovich , Paul Isaacs , Jason McDonald
CPC classification number: H04H60/04 , G01D5/20 , G01R33/07 , G01R33/072 , H01F7/064 , H02K41/00 , H04R3/00
Abstract: A linear fader includes a slider that is configured to slide along a rail. The slider includes a magnet. The linear fader also includes a plurality of coils spaced along a length of the rail, one or more sensors configured to detect a position of the slider along the rail, and control circuitry operatively coupled to the plurality of coils and the one or more sensors. The control circuitry is configured to receive a signal corresponding to a first location of the slider from at least one of the one or more sensors, receive a desired location of the slider, and cause a first electrical current to pass through the plurality of coils, thereby generating a force on the slider in a direction toward the desired location.
-
-
-
-
-
-
-
-
-
Search Results
1511
records
(took 0.039 seconds)
