CN107728862B - 触摸检测电路、触摸检测程序和触摸检测方法 - Google Patents

触摸检测电路、触摸检测程序和触摸检测方法 Download PDF

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CN107728862B
CN107728862B CN201710680153.9A CN201710680153A CN107728862B CN 107728862 B CN107728862 B CN 107728862B CN 201710680153 A CN201710680153 A CN 201710680153A CN 107728862 B CN107728862 B CN 107728862B
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vector
touch
response signal
circuit
signal
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CN107728862A (zh
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田中伸和
能登隆行
种村哲夫
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Synaptics Inc
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Synaptics Inc
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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
    • 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
    • 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
    • G06F3/04182—Filtering of noise external to the device and not generated by digitiser components

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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)
  • Position Input By Displaying (AREA)
  • Electronic Switches (AREA)
CN201710680153.9A 2016-08-10 2017-08-10 触摸检测电路、触摸检测程序和触摸检测方法 Active CN107728862B (zh)

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Application Number Priority Date Filing Date Title
JP2016157096A JP6757207B2 (ja) 2016-08-10 2016-08-10 タッチ検出回路、タッチ検出プログラム及びタッチ検出方法
JP2016-157096 2016-08-10

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CN107728862A CN107728862A (zh) 2018-02-23
CN107728862B true CN107728862B (zh) 2022-02-11

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US (1) US10509508B2 (https=)
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11310002B2 (en) * 2017-03-04 2022-04-19 Microsoft Technology Licensing, Llc Interference mitigation for sensor panel
US10936119B2 (en) * 2019-03-05 2021-03-02 Stmicroelectronics Asia Pacific Pte Ltd Self capacitance sensing based on tangent of phase shift of drive signal
KR102714288B1 (ko) * 2019-12-27 2024-10-10 주식회사 엘엑스세미콘 멀티구동을 위한 터치센싱장치 및 방법

Citations (4)

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CN102214050A (zh) * 2010-04-06 2011-10-12 英特尔公司 具有电容式触摸屏面板的设备以及电源管理的方法
WO2013030966A1 (ja) * 2011-08-30 2013-03-07 Ｎｌｔテクノロジー株式会社 電子機器、静電容量センサ及びタッチパネル
CN102981674A (zh) * 2007-06-13 2013-03-20 苹果公司 多个同时频率检测
EP2613221A2 (en) * 2012-01-09 2013-07-10 Broadcom Corporation Fast touch detection in a mutual capacitive touch system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2452524A (en) 2007-09-06 2009-03-11 Cambridge Silicon Radio Ltd A jitter insensitive sigma-delta modulator
US8766931B2 (en) * 2010-07-16 2014-07-01 Perceptive Pixel Inc. Capacitive touch sensor having code-divided and time-divided transmit waveforms
US9317158B2 (en) * 2011-03-08 2016-04-19 Synaptics Incorporated Baseline management for input devices
JP5801638B2 (ja) * 2011-07-28 2015-10-28 株式会社ジャパンディスプレイ タッチパネル
US9024912B2 (en) * 2012-11-08 2015-05-05 Broadcom Corporation Baseline recalculation after frequency reconfiguration of a mutual capacitive touch controller
JP6045891B2 (ja) 2012-11-29 2016-12-14 シナプティクス・ジャパン合同会社 半導体装置及び電子機器
KR20140071050A (ko) * 2012-12-03 2014-06-11 삼성전자주식회사 용량성 멀티 터치 시스템 및 용량성 멀티 터치 시스템의 제어 방법
US9001066B2 (en) * 2013-05-06 2015-04-07 Rajkumari Mohindra PAPR optimized OFDM touch engine with tone spaced windowed demodulation
US10133416B2 (en) * 2016-05-13 2018-11-20 Tactual Labs Co. Signal detection in frequency division modulated touch systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102981674A (zh) * 2007-06-13 2013-03-20 苹果公司 多个同时频率检测
CN102214050A (zh) * 2010-04-06 2011-10-12 英特尔公司 具有电容式触摸屏面板的设备以及电源管理的方法
WO2013030966A1 (ja) * 2011-08-30 2013-03-07 Ｎｌｔテクノロジー株式会社 電子機器、静電容量センサ及びタッチパネル
EP2613221A2 (en) * 2012-01-09 2013-07-10 Broadcom Corporation Fast touch detection in a mutual capacitive touch system

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Publication number Publication date
JP6757207B2 (ja) 2020-09-16
US20180074641A1 (en) 2018-03-15
CN107728862A (zh) 2018-02-23
JP2018025958A (ja) 2018-02-15
US10509508B2 (en) 2019-12-17

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