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公开(公告)号：US12104929B2
公开(公告)日：2024-10-01
申请号：US16750946
申请日：2020-01-23
Applicant: Apple Inc.
Inventor： Tyler S. Bushnell , Adam T. Clavelle , Christopher M. Werner , Colin M. Ely , Stephen N. Sweet , Sriram Moorthy , Huan Peng
CPC classification number: G01D5/1655 , G01D5/2412 , G04B3/04 , G04G21/00
Abstract: A compact crown for an electronic device such as an electronic watch, including a set of wipers capable of determining a rotation angle, rotation direction, or rotation speed, is disclosed. The set of wipers is in contact with at least one resistance member at different angular positions around a rotation axis. The crown may have a group of ground taps disposed along the resistance member and a measured signal may vary based on the position of each wiper as it contacts the at least one resistance member. A compact crown may also include capacitive members and capacitive sensors in order to similarly determine rotation angle, rotation direction, or rotation speed.
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公开(公告)号：US20230380722A1
公开(公告)日：2023-11-30
申请号：US18225586
申请日：2023-07-24
Applicant: Nitto Bend Technologies, Inc.
Inventor： Colton A. Ottley , Jared K. Jonas , Colin D. Eichinger
CPC classification number: A61B5/1071 , G01B7/30 , G01B7/003 , G01D5/2412 , G01L1/146 , G01D5/24 , A63B2220/50 , A61B5/6807
Abstract: Disclosed embodiments include a multi-mode sensor including an elastomeric strand having a first multi-mode sensing region configured to sense at least two different physical parameters, and a second multi-mode sensing region, space apart from the first multi-mode sensing region, and configured to sense at least two different physical parameters. In some disclosed embodiments the first multi-mode sensing region is configured to measure the physical parameters of angular displacement and strain.
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3.发明公开公开(公告)号：US20230314184A1
公开(公告)日：2023-10-05
申请号：US17929401
申请日：2021-03-03
Applicant: Weidmüller Interface GmbH & Co. KG
Inventor： Rick WEST , Christopher Lee Shih Hao SAM SOON , Gerald BUSCH , Mathew COURTNEY , David HEAD , Steffen NIGGEMANN , Ben SCOTT
CPC classification number: G01D5/2412 , F16B41/002
Abstract: A monitoring device for monitoring a screw joint of an object includes a base plate to be attached to the object and a top plate to be attached to one part of the screw joint, wherein the base plate and the top plate are positioned parallel to and on top of each other and wherein both plates each includes at least one electrode that capacitively interact with each other. The monitoring device is characterized in that the electrodes are shaped and positioned such that at least one electrode of one of the plates interacts with at least two different electrodes of the other one of the plates depending on the rotational position of the plates relative to each other. A monitoring arrangement having at least one monitoring device of this kind and a monitoring method are also provided.
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公开(公告)号：US11744512B2
公开(公告)日：2023-09-05
申请号：US17026252
申请日：2020-09-20
Applicant: Tactual Labs Co.
Inventor： Paul Henry Dietz , Fereshteh Shahmiri
CPC classification number: A61B5/4566 , A61B5/1116 , A61B5/1126 , G01B7/28 , A61B2562/164 , G01D5/2412
Abstract: A multibend sensor comprises a reference strip having a first plurality of electrodes, wherein each of the first plurality of electrodes is adapted to receive a signal; a sliding strip having a second plurality of electrodes, wherein each of the second plurality of electrodes is adapted to transmit at least one signal, wherein the sliding strip moves with respect to the reference strip; and measurement circuitry adapted to process signals received by the first plurality of electrodes, wherein the processed signals provide information regarding the relative position of the sliding strip to the reference strip.
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5.发明授权公开(公告)号：US11680827B2
公开(公告)日：2023-06-20
申请号：US17405232
申请日：2021-08-18
Applicant: Ewellix AB
Inventor： Christoph Riehl , Urs Kunz
CPC classification number: G01D5/2412 , H02K7/06 , H02K11/21
Abstract: A position sensor for a linear actuator, a production method for a position sensor, a linear actuator with a position sensor, and a method for determining a position of a linear actuator. The position sensor has a capacitor arrangement and a data processing device. The capacitor arrangement has a first capacitor element and a second capacitor element arranged to be movable relative to the first capacitor element and designed to generate a capacitive signal. A data processing device is configured to determine the position of the second capacitor element relative to the first capacitor element based on the capacitive signal. The second capacitor element is made of an electrically conductive polymer.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20170299407A1
公开(公告)日：2017-10-19
申请号：US15512890
申请日：2016-09-22
Inventor： Guodong Li , Zhen Wei , Shibo Guo , Weiwei Sun , Chenchen Jiang , Qiong Zhao
IPC: G01D5/20
CPC classification number: G01D5/20 , G01D5/2412
Abstract: A detection device, a substrate holder and a method for detecting a position of a substrate on a substrate holder are disclosed. The detection device of the present disclosure is used to detect the position of the substrate carried on the substrate holder, and the substrate holder includes a plurality of carrying positions, each of which is used to carry a substrate. The detection device includes an emitting electrode connected to a signal source, which is disposed at an edge of each carrying position and located at one of upper and lower sides of the substrate carried by the carrying position; and at least one receiving electrode connected to a detector, which is disposed opposite to the emitting electrode and located at the other of the upper and lower sides of the substrate carried by the carrying position.
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公开(公告)号：US09395212B2
公开(公告)日：2016-07-19
申请号：US14222668
申请日：2014-03-23
Applicant: Tyson York Winarski
Inventor： Tyson York Winarski
CPC classification number: G01D5/2291 , B82Y15/00 , G01D5/16 , G01D5/2412
Abstract: A differential displacement sensor is disclosed that includes a pair of aligned stationary carbon nanostructures and a moveable carbon nanostructure. The moveable carbon nanostructure is configured to engage and move with respect to the pair of aligned stationary carbon nanostructures throughout a range of motion. Circuitry applies an excitation voltage across the pair of aligned stationary carbon nanostructures and the moveable carbon nanostructure to generate an output voltage proportional to a displacement of the moveable carbon nanostructure with respect to the pair of aligned stationary carbon nanostructures throughout the range of motion. Graphene sheets or carbon nanotubes may form the moveable carbon nanostructure or the pair of aligned stationary carbon nanostructures.
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公开(公告)号：US09360510B2
公开(公告)日：2016-06-07
申请号：US14188658
申请日：2014-02-24
Applicant: AZOTEQ (PTY) LTD
Inventor： Frederick Johannes Bruwer , Johann Swanepoel , Dieter Sydney-Charles Mellet , Douw Gerbrandt Van Der Merwe
IPC: G01R27/26 , G01D5/24 , H03K17/955 , G01D5/241
CPC classification number: G01R27/2611 , G01D5/24 , G01D5/241 , G01D5/2412 , G01D5/2417 , G01R27/2605 , H03K17/955 , H03K2217/960725
Abstract: An integrated circuit compensates for parasitic capacitance in a capacitive measuring apparatus wherein a capacitance measurement is done by repeatedly transferring charge from a capacitor to be measured to a reference capacitor.
Abstract translation: 集成电路补偿电容式测量装置中的寄生电容，其中电容测量是通过将电荷从待测电容器重复地转移到参考电容器而完成的。
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公开(公告)号：US09322674B2
公开(公告)日：2016-04-26
申请号：US13625059
申请日：2012-09-24
Applicant: Vladimir Ivanovich Gnevanov
CPC classification number: G01D5/2412 , G01B7/30 , G01D5/2291
Abstract: Incremental angular capacitive displacement transducer has movable and fixed dielectric plates, sections of electrode, sections of two electrodes located on side of movable dielectric plate facing fixed dielectric plate, and signal conversion unit. The transducer has six oscillating circuits with inductance coils, and sections of six electrodes of three oscillating circuits situated by circumference on side of fixed disc facing movable disc, sections of six electrodes of three oscillating circuits on smaller diameter circumference on side of fixed disc facing movable disc, sections of common electrode of three oscillating circuits located by circumference on side of movable disc facing fixed disc above sections of six electrodes of three oscillating circuits, sections of common electrode of three oscillating circuits situated by smaller diameter circumference on side of movable disc, and signal conversion unit with six inductance coils, and six inductance coils for reading the resonant oscillation frequency of six oscillating circuits.
Abstract translation: 增量角电容式位移传感器具有可移动和固定电介质板，电极部分，位于可移动电介质面对固定介质板侧面的两个电极部分和信号转换单元。 传感器具有六个具有电感线圈的振荡电路，三个振荡电路的六个电极的部分由位于固定盘面对的可动盘的一侧的周边设置，三个振荡电路的六个电极的部分在固定盘的可动的一侧的较小直径的圆周上 盘，三个振荡电路的公共电极的部分，位于可动盘面对的固定盘的周围的圆周上，三个振荡电路的六个电极的部分，三个振荡电路的公共电极的部分，其位于可移动盘的侧面上的较小直径圆周， 具有六个电感线圈的信号转换单元和六个用于读取六个振荡电路的谐振振荡频率的电感线圈。
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公开(公告)号：US09285207B2
公开(公告)日：2016-03-15
申请号：US13952281
申请日：2013-07-26
Applicant: InvenSense, Inc.
Inventor： Baris Cagdaser , Du Chen , Hasan Akyol , Derek Shaeffer
CPC classification number: G01B7/14 , G01D5/24 , G01D5/2412 , G01L1/144
Abstract: A method and system for measuring displacement of a structure is disclosed. The method and system comprise providing a first capacitance and providing a second capacitance. The first and second capacitances share a common terminal. The method and system further include determining a difference of the inverses of the value of the first and second capacitances when the structure is displaced. The first capacitance varies in inverse relation to the displacement of the structure.
Abstract translation: 公开了一种用于测量结构位移的方法和系统。 该方法和系统包括提供第一电容并提供第二电容。 第一和第二电容共享公共端子。 所述方法和系统还包括当所述结构被移位时确定所述第一和第二电容的值的反转的差异。 第一电容与结构的位移成反比关系。
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