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公开(公告)号：US20220029617A1
公开(公告)日：2022-01-27
申请号：US17494479
申请日：2021-10-05
Inventor： Matthew BEARDSWORTH , Tejasvi DAS , Siddharth MARU , Luke LAPOINTE
IPC: H03K17/14 , H03K17/975 , H03K17/97
Abstract: A system may include a sensor configured to output a sensor signal indicative of a distance between the sensor and a mechanical member associated with the sensor, a measurement circuit communicatively coupled to the sensor and configured to determine a physical force interaction with the mechanical member based on the sensor signal, and a compensator configured to monitor the sensor signal and to apply a compensation factor to the sensor signal to compensate for changes to properties of the sensor based on at least one of changes in a distance between the sensor and the mechanical member and changes in a temperature associated with the sensor.
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公开(公告)号：US20210200316A1
公开(公告)日：2021-07-01
申请号：US17190708
申请日：2021-03-03
Inventor： Tejasvi DAS , Matthew BEARDSWORTH , Michael A. KOST , Gavin MCVEIGH , Hamid SEPEHR , Carl L. STÅHL
Abstract: Embodiments described herein relate to methods and apparatuses for controlling an operation of a vibrational output system and/or an operation of an input sensor system, wherein the controller is for use in a device comprising the vibrational output system and the input sensor system. A controller comprises an input configured to receive an indication of activation or de-activation of an output of the vibrational output system; and an adjustment module configured to adjust the operation of the vibrational output system and/or the operation of the input sensor system based on the indication to reduce an interference expected to be caused by the output of the vibrational output system on the input sensory system.
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公开(公告)号：US20230052112A1
公开(公告)日：2023-02-16
申请号：US17962086
申请日：2022-10-07
Inventor： Hamid SEPEHR , Pablo PESO PARADA , Willem ZWART , Tom BIRCHALL , Michael Allen KOST , Tejasvi DAS , Siddharth MARU , Matthew BEARDSWORTH , Bruce E. DUEWER
IPC: G06F3/0488 , G06F3/041
Abstract: A force sensing system for determining if a user input has occurred, the system comprising: an input channel, to receive an input from at least one force sensor; an activity detection stage, to monitor an activity level of the input from the at least one force sensor and, responsive to an activity level which may be indicative of a user input being reached, to generate an indication that an activity has occurred at the force sensor; and an event detection stage to receive said indication, and to determine if a user input has occurred based on the received input from the at least one force sensor.
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公开(公告)号：US20210325265A1
公开(公告)日：2021-10-21
申请号：US17208317
申请日：2021-03-22
Inventor： Matthew BEARDSWORTH , Vadim KONRADI , Bill DIEHL
IPC: G01L1/22
Abstract: The present disclosure relates to compensation circuitry for compensating for a thermal effect in an output signal output by a force sensor. The compensation circuitry comprises monitoring circuitry configured to monitor one or more electrical parameters of the resistive force sensor and processing circuitry. The processing circuitry is configured to determine an absolute resistance value for the force sensor based on the one or more monitored electrical parameters and to adjust one or more operational parameters of the force sensor system based at least in part on the determined absolute resistance value.
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公开(公告)号：US20210034213A1
公开(公告)日：2021-02-04
申请号：US17076489
申请日：2020-10-21
Inventor： Hamid SEPEHR , Pablo PESO PARADA , Willem ZWART , Tom BIRCHALL , Michael Allen KOST , Tejasvi DAS , Siddharth MARU , Matthew BEARDSWORTH , Bruce E. DUEWER
IPC: G06F3/0488 , G06F3/041
Abstract: A force sensing system for determining if a user input has occurred, the system comprising: an input channel, to receive an input from at least one force sensor; an activity detection stage, to monitor an activity level of the input from the at least one force sensor and, responsive to an activity level which may be indicative of a user input being reached, to generate an indication that an activity has occurred at the force sensor; and an event detection stage to receive said indication, and to determine if a user input has occurred based on the received input from the at least one force sensor.
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Patent Agency Ranking
公开(公告)号：US20220337235A1
公开(公告)日：2022-10-20
申请号：US17848051
申请日：2022-06-23
Inventor： Matthew BEARDSWORTH , Tejasvi DAS , Siddharth MARU , Luke LAPOINTE
IPC: H03K17/14 , H03K17/975 , H03K17/97
Abstract: A system may include a sensor configured to output a sensor signal indicative of a distance between the sensor and a mechanical member associated with the sensor, a measurement circuit communicatively coupled to the sensor and configured to determine a physical force interaction with the mechanical member based on the sensor signal, and a compensator configured to monitor the sensor signal and to apply a compensation factor to the sensor signal to compensate for changes to properties of the sensor based on at least one of changes in a distance between the sensor and the mechanical member and changes in a temperature associated with the sensor.
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公开(公告)号：US20210405840A1
公开(公告)日：2021-12-30
申请号：US17471529
申请日：2021-09-10
Inventor： Hamid SEPEHR , Pablo PESO PARADA , Willem ZWART , Tom BIRCHALL , Michael Allen KOST , Tejasvi DAS , Siddharth MARU , Matthew BEARDSWORTH , Bruce E. DUEWER
IPC: G06F3/0488 , G06F3/041
Abstract: A force sensing system for determining if a user input has occurred, the system comprising: an input channel, to receive an input from at least one force sensor; an activity detection stage, to monitor an activity level of the input from the at least one force sensor and, responsive to an activity level which may be indicative of a user input being reached, to generate an indication that an activity has occurred at the force sensor; and an event detection stage to receive said indication, and to determine if a user input has occurred based on the received input from the at least one force sensor.
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公开(公告)号：US20210152174A1
公开(公告)日：2021-05-20
申请号：US16866175
申请日：2020-05-04
Inventor： Gregory C. YANCEY , Rahul GAWDE , Matthew BEARDSWORTH , Michael A. KOST , Junsong LI
Abstract: A method may include receiving an input signal, generating a baseline signal based on the input signal, generating a corrected input signal by subtracting the baseline signal from the input signal, determining a threshold level change of the input signal when the corrected input signal exceeds a level change threshold, and responsive to the threshold level change, updating the baseline signal to the level change threshold.
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公开(公告)号：US20210140797A1
公开(公告)日：2021-05-13
申请号：US17157304
申请日：2021-01-25
Inventor： Michael A. KOST , Bruce E. DUEWER , Tejasvi DAS , Matthew BEARDSWORTH , Anthony S. DOY
Abstract: A system may include at least one resistive-inductive-capacitive sensor and a control circuit configured to maintain timing parameters for operation of the at least one resistive-inductive-capacitive sensor and vary at least one of the timing parameters to control a spectrum associated with the at least one resistive-inductive-capacitive sensor, wherein the spectrum comprises one of a sensor activity spectrum of the at least one resistive-inductive-capacitive sensor and a current usage spectrum associated with electrical current delivered to the at least one resistive-inductive-capacitive sensor from a source of electrical energy.
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公开(公告)号：US20240250550A1
公开(公告)日：2024-07-25
申请号：US18313975
申请日：2023-05-08
Inventor： Matthew BEARDSWORTH
CPC classification number: H02J7/007192 , H02J7/0047 , H02J50/10
Abstract: A system and method may include a battery, at least one component electrically coupled to and powered from the battery, a coil located proximate to the battery such that a temperature of the coil is indicative of a temperature of the battery, a coil resistance and battery temperature reporting system electrically coupled to the coil and configured to monitor a direct current resistance of the coil and estimate a temperature of the coil based on the direct current resistance, and a power management system communicatively coupled to the coil resistance and battery temperature reporting system, the battery, and the at least one component and configured to control power delivered and consumed by the battery and the at least one component based on the temperature of the coil.
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