TWI745341B - 用於感測在電極之間局部空間中之阻抗改變的電容式感測器裝置 - Google Patents

用於感測在電極之間局部空間中之阻抗改變的電容式感測器裝置 Download PDF

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Publication number
TWI745341B
TWI745341B TW106102475A TW106102475A TWI745341B TW I745341 B TWI745341 B TW I745341B TW 106102475 A TW106102475 A TW 106102475A TW 106102475 A TW106102475 A TW 106102475A TW I745341 B TWI745341 B TW I745341B
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TW
Taiwan
Prior art keywords
receiver
electrode
transmitter
sensor device
capacitive sensor
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TW106102475A
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English (en)
Chinese (zh)
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TW201732520A (zh
Inventor
阿特瑪 夏爾馬
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美商微晶片科技公司
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Publication of TW201732520A publication Critical patent/TW201732520A/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
TW106102475A 2016-01-21 2017-01-23 用於感測在電極之間局部空間中之阻抗改變的電容式感測器裝置 TWI745341B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662281573P 2016-01-21 2016-01-21
US62/281,573 2016-01-21
US15/411,621 US10365775B2 (en) 2016-01-21 2017-01-20 Method and system for sensing impedance change in the local space between electrodes
US15/411,621 2017-01-20

Publications (2)

Publication Number Publication Date
TW201732520A TW201732520A (zh) 2017-09-16
TWI745341B true TWI745341B (zh) 2021-11-11

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TW106102475A TWI745341B (zh) 2016-01-21 2017-01-23 用於感測在電極之間局部空間中之阻抗改變的電容式感測器裝置

Country Status (7)

Country Link
US (1) US10365775B2 (enExample)
EP (1) EP3405855B1 (enExample)
JP (1) JP6862432B2 (enExample)
KR (1) KR102806859B1 (enExample)
CN (1) CN108351728B (enExample)
TW (1) TWI745341B (enExample)
WO (1) WO2017127783A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150372770A1 (en) * 2013-02-06 2015-12-24 Koninklijke Philips N.V. Body coupled communiication system
CN106933400B (zh) * 2015-12-31 2021-10-29 辛纳普蒂克斯公司 单层传感器图案和感测方法
CN109952551A (zh) * 2016-09-16 2019-06-28 触觉实验室股份有限公司 触敏键盘
US10503313B2 (en) 2017-08-21 2019-12-10 Apple Inc. Unified input/output interface for electronic device
US10684734B2 (en) 2017-09-28 2020-06-16 Apple Inc. Transparent high-resistivity layer for electrostatic friction modulation over a capacitive input sensor
US20190302889A1 (en) * 2018-03-30 2019-10-03 Apple Inc. Static Pattern Electrostatic Haptic Electrodes
US11054942B2 (en) * 2018-04-05 2021-07-06 Synaptics Incorporated Noise suppression circuit
US11093035B1 (en) 2019-02-19 2021-08-17 Facebook Technologies, Llc Finger pinch detection
GB2584669B (en) * 2019-06-10 2022-03-30 Touchnetix Ltd Touch-sensitive apparatus and method
US11127507B2 (en) 2019-09-09 2021-09-21 Westinghouse Electric Company Llc Fuel rod sensor system with inductive coupling
KR102781314B1 (ko) 2020-04-02 2025-03-18 삼성디스플레이 주식회사 입력 감지 장치 및 이를 포함하는 표시 장치
US11914820B2 (en) * 2020-04-14 2024-02-27 Synaptics Incorporated Distributed analog display noise suppression circuit
US11106317B1 (en) * 2020-04-14 2021-08-31 Synaptics Incorporated Common mode noise suppression with restoration of common mode signal
US11256363B2 (en) 2020-07-16 2022-02-22 Microchip Technology Incorporated Method and system for noise immunity for automatically triggered impedance and capacitance sensors
WO2022024308A1 (ja) * 2020-07-30 2022-02-03 Tdk株式会社 情報処理装置及び動作検出装置
US11620016B2 (en) * 2020-07-30 2023-04-04 Tdk Corporation Information processing device and operation detection device
US11481076B2 (en) * 2021-01-05 2022-10-25 Synaptics Incorporated Transimpedance amplifier (TIA)-based global coarse baseline correction (GCBC) for capacitive sensing
US12073868B2 (en) * 2022-06-07 2024-08-27 Micron Technology, Inc. Timing adjustment for data input/output buffer circuits
WO2025050034A1 (en) * 2023-08-30 2025-03-06 The Regents Of The University Of California Systems and methods for incorporating millimeter waves (mmwaves) into low frequency wireless devices

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101896825A (zh) * 2007-12-14 2010-11-24 赛普拉斯半导体公司 Tx-rx电容式传感器的补偿电路
TW201140410A (en) * 2009-11-16 2011-11-16 3M Innovative Properties Co Touch sensitive device using threshold voltage signal
US20130057302A1 (en) * 2011-07-28 2013-03-07 Fluid Well Instruments B.V. Capacitive measuring circuit insensitive to high-frequency interference
CN103425370A (zh) * 2012-05-25 2013-12-04 Nxp股份有限公司 电容式位置传感器系统
TW201350800A (zh) * 2012-04-19 2013-12-16 Microchip Tech Germany Ii Gmbh 用於感測器信號之能量有效測量的方法及系統

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51132476A (en) * 1975-05-12 1976-11-17 Yamatake Honeywell Co Ltd Capacitance switch
JPS57132476A (en) * 1981-02-09 1982-08-16 Nippon Telegr & Teleph Corp <Ntt> Decoder
DE19536198B4 (de) * 1995-09-28 2006-03-30 Endress + Hauser Gmbh + Co. Kg Kapazitiver Schalter
US7663607B2 (en) * 2004-05-06 2010-02-16 Apple Inc. Multipoint touchscreen
US7288946B2 (en) 2005-06-03 2007-10-30 Synaptics Incorporated Methods and systems for detecting a capacitance using sigma-delta measurement techniques
US8284165B2 (en) 2006-10-13 2012-10-09 Sony Corporation Information display apparatus with proximity detection performance and information display method using the same
CN102067450B (zh) * 2008-06-13 2014-04-30 皇家飞利浦电子股份有限公司 电容性接近性设备和包括电容性接近性设备的电子设备
JP2010049608A (ja) * 2008-08-25 2010-03-04 Seiko Instruments Inc 近接検出装置および近接検出方法
US8482545B2 (en) * 2008-10-02 2013-07-09 Wacom Co., Ltd. Combination touch and transducer input system and method
TWI393043B (zh) * 2009-08-27 2013-04-11 Elan Microelectronics Corp Detection Circuit and Method of Capacitive Touchpad
US8729913B2 (en) * 2010-08-24 2014-05-20 Cypress Semiconductor Corporation Capacitance sensing systems, circuits and methods that include current conveyor based oscillators
LU91773B1 (en) * 2011-01-07 2012-07-09 Iee Sarl Capacitive sensor including resonant network
DE102011054415A1 (de) * 2011-10-12 2013-04-18 Ident Technology Ag Verfahren zum Anpassen der Sensitivität eines Sensorsystems
US9274643B2 (en) * 2012-03-30 2016-03-01 Synaptics Incorporated Capacitive charge measurement
US20140002406A1 (en) * 2012-06-28 2014-01-02 Texas Instruments Incorporated Low-Power Capacitive Sensor Monitoring and Method
US10437344B2 (en) * 2016-01-21 2019-10-08 Microchip Technology Incorporated Proximity activated gesture
US10418941B2 (en) * 2016-06-30 2019-09-17 Microchip Technology Incorporated Integrated circuit crystal oscillator having digital automatic gain control comprising oscillation detection and amplitude control loops

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101896825A (zh) * 2007-12-14 2010-11-24 赛普拉斯半导体公司 Tx-rx电容式传感器的补偿电路
TW201140410A (en) * 2009-11-16 2011-11-16 3M Innovative Properties Co Touch sensitive device using threshold voltage signal
US20130057302A1 (en) * 2011-07-28 2013-03-07 Fluid Well Instruments B.V. Capacitive measuring circuit insensitive to high-frequency interference
TW201350800A (zh) * 2012-04-19 2013-12-16 Microchip Tech Germany Ii Gmbh 用於感測器信號之能量有效測量的方法及系統
CN103425370A (zh) * 2012-05-25 2013-12-04 Nxp股份有限公司 电容式位置传感器系统

Also Published As

Publication number Publication date
TW201732520A (zh) 2017-09-16
WO2017127783A1 (en) 2017-07-27
US10365775B2 (en) 2019-07-30
EP3405855B1 (en) 2019-12-25
KR102806859B1 (ko) 2025-05-14
CN108351728A (zh) 2018-07-31
EP3405855A1 (en) 2018-11-28
US20170212619A1 (en) 2017-07-27
CN108351728B (zh) 2021-09-21
JP6862432B2 (ja) 2021-04-21
JP2019508758A (ja) 2019-03-28
KR20180104590A (ko) 2018-09-21

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