CN103699277B - 触控感测电路与触控装置 - Google Patents

触控感测电路与触控装置 Download PDF

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Publication number
CN103699277B
CN103699277B CN201310101505.2A CN201310101505A CN103699277B CN 103699277 B CN103699277 B CN 103699277B CN 201310101505 A CN201310101505 A CN 201310101505A CN 103699277 B CN103699277 B CN 103699277B
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CN
China
Prior art keywords
transistor
current
signal
couples
receives
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201310101505.2A
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English (en)
Chinese (zh)
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CN103699277A (zh
Inventor
谢进益
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Princeton Technology Corp
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Princeton Technology Corp
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Publication of CN103699277A publication Critical patent/CN103699277A/zh
Application granted granted Critical
Publication of CN103699277B publication Critical patent/CN103699277B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • 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
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing 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
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960735—Capacitive touch switches characterised by circuit details

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  • Electronic Switches (AREA)
CN201310101505.2A 2012-09-27 2013-03-27 触控感测电路与触控装置 Expired - Fee Related CN103699277B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW101135559 2012-09-27
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
CN103699277A CN103699277A (zh) 2014-04-02
CN103699277B true CN103699277B (zh) 2016-07-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310101505.2A Expired - Fee Related CN103699277B (zh) 2012-09-27 2013-03-27 触控感测电路与触控装置

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

Family Cites Families (6)

* 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
TWI471796B (zh) * 2011-02-11 2015-02-01 Wintek Corp 觸控顯示裝置
CN103064551B (zh) * 2011-10-23 2016-03-02 宸鸿科技(厦门)有限公司 触控感测装置及其制造方法
US9372582B2 (en) * 2012-04-19 2016-06-21 Atmel Corporation Self-capacitance measurement

Also Published As

Publication number Publication date
JP2014071885A (ja) 2014-04-21
US20140084991A1 (en) 2014-03-27
US9197207B2 (en) 2015-11-24
CN103699277A (zh) 2014-04-02
TWI466000B (zh) 2014-12-21
TW201413551A (zh) 2014-04-01

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Granted publication date: 20160713