TWI466000B - 觸控感測電路與觸控裝置 - Google Patents

觸控感測電路與觸控裝置 Download PDF

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Publication number
TWI466000B
TWI466000B TW101135559A TW101135559A TWI466000B TW I466000 B TWI466000 B TW I466000B TW 101135559 A TW101135559 A TW 101135559A TW 101135559 A TW101135559 A TW 101135559A TW I466000 B TWI466000 B TW I466000B
Authority
TW
Taiwan
Prior art keywords
transistor
coupled
control
current
signal
Prior art date
Application number
TW101135559A
Other languages
English (en)
Chinese (zh)
Other versions
TW201413551A (zh
Inventor
Chin I Hsieh
Original Assignee
Princeton Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Princeton Technology Corp filed Critical Princeton Technology Corp
Priority to TW101135559A priority Critical patent/TWI466000B/zh
Priority to US13/684,233 priority patent/US9197207B2/en
Priority to JP2013006854A priority patent/JP2014071885A/ja
Priority to CN201310101505.2A priority patent/CN103699277B/zh
Publication of TW201413551A publication Critical patent/TW201413551A/zh
Application granted granted Critical
Publication of TWI466000B publication Critical patent/TWI466000B/zh

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96Touch switches
    • H03K17/962Capacitive touch switches
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/04164Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/0418Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K2217/00Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96Touch switches
    • H03K2217/9607Capacitive touch switches
    • H03K2217/960735Capacitive touch switches characterised by circuit details

Landscapes

  • Electronic Switches (AREA)
TW101135559A 2012-09-27 2012-09-27 觸控感測電路與觸控裝置 TWI466000B (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TW101135559A TWI466000B (zh) 2012-09-27 2012-09-27 觸控感測電路與觸控裝置
US13/684,233 US9197207B2 (en) 2012-09-27 2012-11-22 Touch sensor circuit and touch display device
JP2013006854A JP2014071885A (ja) 2012-09-27 2013-01-18 タッチセンサ回路およびタッチディスプレイ装置
CN201310101505.2A CN103699277B (zh) 2012-09-27 2013-03-27 触控感测电路与触控装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW101135559A TWI466000B (zh) 2012-09-27 2012-09-27 觸控感測電路與觸控裝置

Publications (2)

Publication Number Publication Date
TW201413551A TW201413551A (zh) 2014-04-01
TWI466000B true TWI466000B (zh) 2014-12-21

Family

ID=50338256

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101135559A TWI466000B (zh) 2012-09-27 2012-09-27 觸控感測電路與觸控裝置

Country Status (4)

Country Link
US (1) US9197207B2 (enExample)
JP (1) JP2014071885A (enExample)
CN (1) CN103699277B (enExample)
TW (1) TWI466000B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI536032B (zh) * 2014-10-21 2016-06-01 宇能電科技股份有限公司 設定/重設定電路及採用該電路的磁感測裝置
US10063214B2 (en) * 2015-03-26 2018-08-28 Pixart Imaging Inc. Programmable band-pass filter circuit of analog front-end used for capacitance detection
TWI567610B (zh) * 2015-11-13 2017-01-21 Imagination Broadway Touch Panel Sensing Method and Its Sensing Circuit
JP6615683B2 (ja) * 2016-04-14 2019-12-04 ローム株式会社 容量測定回路、それを用いた入力装置、電子機器
CN106598370B (zh) * 2017-01-19 2024-03-15 北京集创北方科技股份有限公司 触摸检测电路及其触控装置
CN113029397B (zh) * 2019-12-25 2023-04-07 财团法人工业技术研究院 压电感测电路及压电感测系统
TWI724709B (zh) 2019-12-25 2021-04-11 財團法人工業技術研究院 壓電感測電路及壓電感測系統
CN113496743B (zh) * 2020-03-19 2025-02-11 群创光电股份有限公司 读出电路
WO2023244154A1 (en) * 2022-06-17 2023-12-21 Fingerprint Cards Anacatum Ip Ab Fingerprint sensing system with row circuitry including control signal providing circuitry

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM428425U (en) * 2011-10-23 2012-05-01 Tpk Touch Solutions Xiamen Inc Touch sensing device
US20120206403A1 (en) * 2011-02-11 2012-08-16 Wintek Corporation Touch-sensing display device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7911456B2 (en) * 1992-06-08 2011-03-22 Synaptics Incorporated Object position detector with edge motion feature and gesture recognition
US20120176356A1 (en) * 2009-09-30 2012-07-12 Sharp Kabushiki Kaisha Display device
JP2012103137A (ja) * 2010-11-11 2012-05-31 Konica Minolta Medical & Graphic Inc 放射線画像撮影装置及び充電システム
US9372582B2 (en) * 2012-04-19 2016-06-21 Atmel Corporation Self-capacitance measurement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120206403A1 (en) * 2011-02-11 2012-08-16 Wintek Corporation Touch-sensing display device
TWM428425U (en) * 2011-10-23 2012-05-01 Tpk Touch Solutions Xiamen Inc Touch sensing device

Also Published As

Publication number Publication date
JP2014071885A (ja) 2014-04-21
US20140084991A1 (en) 2014-03-27
US9197207B2 (en) 2015-11-24
CN103699277B (zh) 2016-07-13
CN103699277A (zh) 2014-04-02
TW201413551A (zh) 2014-04-01

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