TWI662463B - 單個積體電路、用於判定觸控之位置之系統及用於改善訊號雜訊比效能之方法 - Google Patents

單個積體電路、用於判定觸控之位置之系統及用於改善訊號雜訊比效能之方法 Download PDF

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Publication number
TWI662463B
TWI662463B TW104112252A TW104112252A TWI662463B TW I662463 B TWI662463 B TW I662463B TW 104112252 A TW104112252 A TW 104112252A TW 104112252 A TW104112252 A TW 104112252A TW I662463 B TWI662463 B TW I662463B
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TW
Taiwan
Prior art keywords
voltage
electrodes
integrated circuit
capacitance
coupled
Prior art date
Application number
TW104112252A
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English (en)
Chinese (zh)
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TW201546694A (zh
Inventor
艾特馬 夏瑪
科里 渥頓
傑瑞 漢納爾
Original Assignee
美商微晶片科技公司
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Publication of TW201546694A publication Critical patent/TW201546694A/zh
Application granted granted Critical
Publication of TWI662463B publication Critical patent/TWI662463B/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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • 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
    • G06F3/0416—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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/0175—Coupling arrangements; Interface arrangements
    • H03K19/017509—Interface arrangements
    • 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
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Position Input By Displaying (AREA)
TW104112252A 2014-04-16 2015-04-16 單個積體電路、用於判定觸控之位置之系統及用於改善訊號雜訊比效能之方法 TWI662463B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/254,164 2014-04-16
US14/254,164 US9354743B2 (en) 2014-04-16 2014-04-16 Apparatus for improving signal-to-noise performance of projected capacitance touch screens and panels

Publications (2)

Publication Number Publication Date
TW201546694A TW201546694A (zh) 2015-12-16
TWI662463B true TWI662463B (zh) 2019-06-11

Family

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Family Applications (1)

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TW104112252A TWI662463B (zh) 2014-04-16 2015-04-16 單個積體電路、用於判定觸控之位置之系統及用於改善訊號雜訊比效能之方法

Country Status (7)

Country Link
US (2) US9354743B2 (enExample)
EP (1) EP3132334B1 (enExample)
JP (1) JP6525475B2 (enExample)
KR (1) KR102321247B1 (enExample)
CN (1) CN106030476B (enExample)
TW (1) TWI662463B (enExample)
WO (1) WO2015160812A1 (enExample)

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EP3367222A4 (en) * 2016-12-29 2018-12-05 Shenzhen Goodix Technology Co., Ltd. Touch system and power supply circuit thereof
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CN106952585B (zh) * 2017-05-02 2023-08-22 深圳市洲明科技股份有限公司 Led显示屏系统
EP4390619B1 (en) 2021-10-01 2025-09-17 Samsung Electronics Co., Ltd. Electronic device and operation method thereof
US12287934B2 (en) * 2023-07-24 2025-04-29 Novatek Microelectronics Corp. Touch and display driving circuit and operation method thereof

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TW201339914A (zh) * 2012-03-27 2013-10-01 Chunghwa Picture Tubes Ltd 訊號雜訊比例控制系統及其方法
US20140015791A1 (en) * 2012-07-10 2014-01-16 Hannstar Display Corporation Touch panel driving device and driving method thereof

Also Published As

Publication number Publication date
US20150301675A1 (en) 2015-10-22
EP3132334B1 (en) 2019-09-04
US9910543B2 (en) 2018-03-06
US20160274731A1 (en) 2016-09-22
TW201546694A (zh) 2015-12-16
CN106030476B (zh) 2019-08-23
KR20160144957A (ko) 2016-12-19
KR102321247B1 (ko) 2021-11-04
WO2015160812A1 (en) 2015-10-22
JP6525475B2 (ja) 2019-06-05
US9354743B2 (en) 2016-05-31
EP3132334A1 (en) 2017-02-22
JP2017511518A (ja) 2017-04-20
CN106030476A (zh) 2016-10-12

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