CN113407052A - 用于感测设备的可重新配置的接收器通道 - Google Patents

用于感测设备的可重新配置的接收器通道 Download PDF

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Publication number
CN113407052A
CN113407052A CN202110279407.2A CN202110279407A CN113407052A CN 113407052 A CN113407052 A CN 113407052A CN 202110279407 A CN202110279407 A CN 202110279407A CN 113407052 A CN113407052 A CN 113407052A
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CN
China
Prior art keywords
signal
receiver channel
input
output signal
combined
Prior art date
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Pending
Application number
CN202110279407.2A
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English (en)
Chinese (zh)
Inventor
沈国重
O·E·埃尔多根
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Synaptic
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Synaptic
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Publication date
Application filed by Synaptic filed Critical Synaptic
Publication of CN113407052A publication Critical patent/CN113407052A/zh
Pending legal-status Critical Current

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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
    • 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
    • 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
    • G06F3/0416—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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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)
  • User Interface Of Digital Computer (AREA)
  • Electronic Switches (AREA)
  • Position Input By Displaying (AREA)
CN202110279407.2A 2020-03-17 2021-03-16 用于感测设备的可重新配置的接收器通道 Pending CN113407052A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/821,599 US11397487B2 (en) 2020-03-17 2020-03-17 Re-configurable receiver channels for a sensing device
US16/821599 2020-03-17

Publications (1)

Publication Number Publication Date
CN113407052A true CN113407052A (zh) 2021-09-17

Family

ID=77677610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110279407.2A Pending CN113407052A (zh) 2020-03-17 2021-03-16 用于感测设备的可重新配置的接收器通道

Country Status (3)

Country Link
US (1) US11397487B2 (https=)
JP (1) JP7720155B2 (https=)
CN (1) CN113407052A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2603118B (en) * 2021-01-20 2023-09-06 Touchnetix Ltd Touch-sensitive apparatus and method
DE112024000066T5 (de) * 2023-04-26 2025-01-30 Wacom Co., Ltd. Vorrichtung zur erfassung einer angezeigten position und verfahren zur erfassung einer angezeigten position

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009290276A (ja) * 2008-05-27 2009-12-10 Nec Corp 携帯端末装置とその消費電力制御方法
CN102884496A (zh) * 2010-02-26 2013-01-16 辛纳普蒂克斯公司 修改解调以避免干扰
KR20150051719A (ko) * 2013-11-05 2015-05-13 (주)삼원에스티 터치패널센서
US20150185914A1 (en) * 2013-12-31 2015-07-02 Lg Display Co., Ltd. Touch sensing system
US20160179243A1 (en) * 2014-12-22 2016-06-23 Synaptics Incorporated Asynchronous interference detection in a capacitive sensing system
US20160313845A1 (en) * 2015-04-22 2016-10-27 Au Optronics Corporation Touch sensing device
CN110719117A (zh) * 2018-07-12 2020-01-21 硅实验室公司 具有干扰检测的射频接收器装置和相关方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214374A (en) * 1988-01-06 1989-08-31 Philips Electronic Associated Ssb signal generator
EP0574213B1 (en) * 1992-06-08 1999-03-24 Synaptics, Inc. Object position detector
US5880411A (en) * 1992-06-08 1999-03-09 Synaptics, Incorporated Object position detector with edge motion feature and gesture recognition
TW274598B (en) * 1994-11-15 1996-04-21 Alps Electric Co Ltd Coordinate input device for pen of finger tip
JP4487955B2 (ja) * 2006-03-01 2010-06-23 ソニー株式会社 無線通信装置及び方法
JP2010108501A (ja) 2008-10-30 2010-05-13 Samsung Electronics Co Ltd センシング感度を向上させたタッチスクリーンコントローラ、タッチスクリーンコントローラを備えるディスプレイ駆動回路、ディスプレイ装置及びシステム
US8730204B2 (en) * 2010-09-16 2014-05-20 Synaptics Incorporated Systems and methods for signaling and interference detection in sensor devices
WO2012148539A1 (en) * 2011-02-25 2012-11-01 Maxim Integrated Products, Inc Capacitive touch sense architecture
US9086439B2 (en) * 2011-02-25 2015-07-21 Maxim Integrated Products, Inc. Circuits, devices and methods having pipelined capacitance sensing
US8729911B2 (en) * 2011-04-19 2014-05-20 Cypress Semiconductor Corporation Usage of weighting matrices in multi-phase scanning modes
US8766949B2 (en) * 2011-12-22 2014-07-01 Synaptics Incorporated Systems and methods for determining user input using simultaneous transmission from multiple electrodes
US9436325B2 (en) * 2013-12-20 2016-09-06 Synaptics Incorporated Active pen for matrix sensor
US9389742B2 (en) * 2014-12-10 2016-07-12 Pixart Imaging Inc. Capacitive touch device, capacitive communication device and communication system
US10025428B2 (en) * 2015-11-19 2018-07-17 Synaptics Incorporated Method and apparatus for improving capacitive sensing detection
JP6549976B2 (ja) 2015-11-27 2019-07-24 株式会社ジャパンディスプレイ タッチ検出装置及びタッチ検出機能付き表示装置
US10353518B2 (en) * 2016-10-14 2019-07-16 Synaptics Incorporated Touch controller with signal combining and simultaneous I/Q demodulation
US10133435B2 (en) * 2017-01-03 2018-11-20 Synaptics Incorporated Reduced capacitive baseline shift via switching elements
US10162462B2 (en) * 2017-05-01 2018-12-25 Synaptics Incorporated Integrating capacitive sensing with an optical sensor
US10203809B2 (en) 2017-05-25 2019-02-12 Synaptics Incorporated Interference detection
US11119606B2 (en) * 2019-08-20 2021-09-14 Synaptics Incorporated Background capacitance compensation
US10928944B1 (en) * 2019-11-22 2021-02-23 Synaptics Incorporated Device and method for proximity sensing on an input device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009290276A (ja) * 2008-05-27 2009-12-10 Nec Corp 携帯端末装置とその消費電力制御方法
CN102884496A (zh) * 2010-02-26 2013-01-16 辛纳普蒂克斯公司 修改解调以避免干扰
KR20150051719A (ko) * 2013-11-05 2015-05-13 (주)삼원에스티 터치패널센서
US20150185914A1 (en) * 2013-12-31 2015-07-02 Lg Display Co., Ltd. Touch sensing system
US20160179243A1 (en) * 2014-12-22 2016-06-23 Synaptics Incorporated Asynchronous interference detection in a capacitive sensing system
US20160313845A1 (en) * 2015-04-22 2016-10-27 Au Optronics Corporation Touch sensing device
CN110719117A (zh) * 2018-07-12 2020-01-21 硅实验室公司 具有干扰检测的射频接收器装置和相关方法

Also Published As

Publication number Publication date
JP2021149962A (ja) 2021-09-27
US11397487B2 (en) 2022-07-26
JP7720155B2 (ja) 2025-08-07
US20210294449A1 (en) 2021-09-23

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