CN109542277B - 用于传感器电极的欧姆计 - Google Patents

用于传感器电极的欧姆计 Download PDF

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Publication number
CN109542277B
CN109542277B CN201811106778.5A CN201811106778A CN109542277B CN 109542277 B CN109542277 B CN 109542277B CN 201811106778 A CN201811106778 A CN 201811106778A CN 109542277 B CN109542277 B CN 109542277B
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CN
China
Prior art keywords
mode
current
input device
sensor electrodes
pair
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CN201811106778.5A
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English (en)
Chinese (zh)
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CN109542277A (zh
Inventor
E.S.柏汉农
S.C.卢
P.舍佩列夫
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Synaptics Inc
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Synaptics Inc
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Publication of CN109542277A publication Critical patent/CN109542277A/zh
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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
    • G06F3/044—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
    • 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
    • G06F3/0416—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
    • 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
    • H03K17/9645—Resistive touch switches
    • 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
    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
    • 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
    • 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
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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

Landscapes

  • 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 Resistance Or Impedance (AREA)
CN201811106778.5A 2017-09-22 2018-09-21 用于传感器电极的欧姆计 Active CN109542277B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762561945P 2017-09-22 2017-09-22
US62/561945 2017-09-22
US16/036,018 US10831323B2 (en) 2017-09-22 2018-07-16 Ohmmeter for sensor electrodes
US16/036018 2018-07-16

Publications (2)

Publication Number Publication Date
CN109542277A CN109542277A (zh) 2019-03-29
CN109542277B true CN109542277B (zh) 2024-03-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811106778.5A Active CN109542277B (zh) 2017-09-22 2018-09-21 用于传感器电极的欧姆计

Country Status (3)

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US (1) US10831323B2 (enExample)
JP (1) JP6956056B2 (enExample)
CN (1) CN109542277B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11099213B2 (en) * 2017-10-20 2021-08-24 Infineon Technologies Ag Readout circuit for resistive and capacitive sensors
KR102486453B1 (ko) * 2017-12-08 2023-01-09 삼성디스플레이 주식회사 표시 장치
JP7198586B2 (ja) * 2018-02-16 2023-01-04 ローム株式会社 容量検出回路、半導体装置、それを用いた入力装置、電子機器、ならびに容量検出方法
US11656193B2 (en) 2020-06-12 2023-05-23 Analog Devices, Inc. Self-calibrating polymer nano composite (PNC) sensing element
WO2022093805A1 (en) 2020-10-27 2022-05-05 Analog Devices, Inc. Wireless integrity sensing acquisition module
US11309854B1 (en) * 2021-01-26 2022-04-19 Saudi Arabian Oil Company Digitally controlled grounded capacitance multiplier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713811A (zh) * 2009-08-21 2012-10-03 苹果公司 用于电容感测的方法和装置
CN105593799A (zh) * 2013-10-01 2016-05-18 辛纳普蒂克斯公司 用于矩阵传感器的目标跨电容感测

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4679658B2 (ja) * 2009-10-10 2011-04-27 株式会社オーバル フィールド機器の光電センシング感度調整
KR102040843B1 (ko) * 2011-01-04 2019-11-06 삼성디스플레이 주식회사 유기 발광 표시 장치 및 그의 구동 방법
US8780074B2 (en) * 2011-07-06 2014-07-15 Sharp Kabushiki Kaisha Dual-function transducer for a touch panel
US9696858B2 (en) * 2013-07-08 2017-07-04 Synaptics Incorporated Display device having an integrated sensing device with improved proximity sensing
US10146360B2 (en) * 2016-04-29 2018-12-04 Synaptics Incorporated Hybrid capacitive and resistive sensing for force and touch
WO2018023089A1 (en) * 2016-07-29 2018-02-01 Apple Inc. Touch sensor panel with multi-power domain chip configuration

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713811A (zh) * 2009-08-21 2012-10-03 苹果公司 用于电容感测的方法和装置
CN105593799A (zh) * 2013-10-01 2016-05-18 辛纳普蒂克斯公司 用于矩阵传感器的目标跨电容感测

Also Published As

Publication number Publication date
JP6956056B2 (ja) 2021-10-27
US10831323B2 (en) 2020-11-10
US20190095002A1 (en) 2019-03-28
JP2019061666A (ja) 2019-04-18
CN109542277A (zh) 2019-03-29

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