KR102313329B1 - 델타-시그마 변조기를 갖는 입력 디바이스 수신기 - Google Patents

델타-시그마 변조기를 갖는 입력 디바이스 수신기 Download PDF

Info

Publication number
KR102313329B1
KR102313329B1 KR1020187037392A KR20187037392A KR102313329B1 KR 102313329 B1 KR102313329 B1 KR 102313329B1 KR 1020187037392 A KR1020187037392 A KR 1020187037392A KR 20187037392 A KR20187037392 A KR 20187037392A KR 102313329 B1 KR102313329 B1 KR 102313329B1
Authority
KR
South Korea
Prior art keywords
signal
sensor
delta
sensor electrodes
sigma modulator
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.)
Active
Application number
KR1020187037392A
Other languages
English (en)
Korean (ko)
Other versions
KR20190015348A (ko
Inventor
에릭 스코트 보헤넌
주니어 마샬 제이 벨
이홍 양
Original Assignee
시냅틱스 인코포레이티드
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 시냅틱스 인코포레이티드 filed Critical 시냅틱스 인코포레이티드
Publication of KR20190015348A publication Critical patent/KR20190015348A/ko
Application granted granted Critical
Publication of KR102313329B1 publication Critical patent/KR102313329B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/344—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by filtering other than the noise-shaping inherent to delta-sigma modulators, e.g. anti-aliasing
    • 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
    • G06F3/0418—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
    • 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
    • G06F3/04184—Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally
    • 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
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0626—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • 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
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing 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
    • G06F3/044—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/326—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors
    • H03M3/338—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors by permutation in the time domain, e.g. dynamic element matching
    • H03M3/34—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors by permutation in the time domain, e.g. dynamic element matching by chopping
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020187037392A 2016-06-30 2017-05-08 델타-시그마 변조기를 갖는 입력 디바이스 수신기 Active KR102313329B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/199,276 US10061415B2 (en) 2016-06-30 2016-06-30 Input device receiver with delta-sigma modulator
US15/199,276 2016-06-30
PCT/US2017/031510 WO2018004826A1 (en) 2016-06-30 2017-05-08 Input device receiver with delta-sigma modulator

Publications (2)

Publication Number Publication Date
KR20190015348A KR20190015348A (ko) 2019-02-13
KR102313329B1 true KR102313329B1 (ko) 2021-10-15

Family

ID=60787469

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187037392A Active KR102313329B1 (ko) 2016-06-30 2017-05-08 델타-시그마 변조기를 갖는 입력 디바이스 수신기

Country Status (6)

Country Link
US (2) US10061415B2 (https=)
EP (1) EP3479484B1 (https=)
JP (1) JP7118902B2 (https=)
KR (1) KR102313329B1 (https=)
CN (2) CN109314522B (https=)
WO (1) WO2018004826A1 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10061415B2 (en) * 2016-06-30 2018-08-28 Synaptics Incorporated Input device receiver with delta-sigma modulator
JP2018072928A (ja) * 2016-10-25 2018-05-10 シナプティクス インコーポレイテッド センシングシステム、タッチ検出回路および半導体装置
KR102811755B1 (ko) 2017-02-03 2025-05-23 삼성디스플레이 주식회사 터치 센서 및 이를 구비한 디스플레이 장치
KR101932650B1 (ko) 2017-05-15 2018-12-28 삼성디스플레이 주식회사 터치 센서 및 이를 구비한 디스플레이 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
US11054942B2 (en) 2018-04-05 2021-07-06 Synaptics Incorporated Noise suppression circuit
US11095990B2 (en) * 2018-06-19 2021-08-17 Knowles Electronics, Llc Microphone assembly with reduced noise
US11254560B2 (en) 2018-06-19 2022-02-22 Knowles Electronics, Llc Transconductance amplifier
US11119606B2 (en) * 2019-08-20 2021-09-14 Synaptics Incorporated Background capacitance compensation
CN113141184B (zh) * 2020-01-16 2026-02-10 赛普拉斯半导体公司 电容式触摸感测通道
US11106317B1 (en) * 2020-04-14 2021-08-31 Synaptics Incorporated Common mode noise suppression with restoration of common mode signal
US11914820B2 (en) * 2020-04-14 2024-02-27 Synaptics Incorporated Distributed analog display noise suppression circuit
JP7702977B2 (ja) * 2021-06-25 2025-07-04 株式会社ワコム 集積回路
KR20230045817A (ko) 2021-09-29 2023-04-05 주식회사 엘엑스세미콘 터치 센싱 신호 처리 회로
US11899882B2 (en) * 2021-11-19 2024-02-13 Cypress Semiconductor Corporation Quadrature calibration methods for sensor applications
KR102509914B1 (ko) * 2022-06-02 2023-03-14 주식회사 에이코닉 단일종단모드 및 완전차동모드를 선택적으로 지원하는 증폭장치 및 이를 포함하는 터치 센서
CN117825748B (zh) * 2024-03-01 2024-05-28 华中科技大学 基于环内双调制降低读出电路1/f噪声的静电加速度计
US12375098B1 (en) * 2024-05-17 2025-07-29 Cypress Semiconductor Corporation Sigma-delta modulator for capacitive touch sensing channel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160126972A1 (en) * 2014-11-03 2016-05-05 Novatek Microelectronics Corp. Touch control detection system, delta-sigma modulator and modulating method thereof

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11122909A (ja) * 1997-10-16 1999-04-30 Fuji Electric Co Ltd 電力変換装置のノイズフィルタ
WO2000001074A2 (en) * 1998-06-30 2000-01-06 Koninklijke Philips Electronics N.V. Receiver having integrated mixer and sigma-delta analog-to-digital conversion
CN1369139A (zh) * 1999-08-09 2002-09-11 爱特梅尔股份有限公司 混合带通与基带δ－σ调制器
JP3961427B2 (ja) * 2003-01-14 2007-08-22 株式会社東芝 配線パターンの埋め込み検査方法、半導体装置の製造方法および検査装置
US7193545B2 (en) * 2004-09-17 2007-03-20 Analog Devices, Inc. Differential front-end continuous-time sigma-delta ADC using chopper stabilization
US7902842B2 (en) 2005-06-03 2011-03-08 Synaptics Incorporated Methods and systems for switched charge transfer capacitance measuring using shared components
CN101213461B (zh) * 2005-06-03 2013-01-02 辛纳普蒂克斯公司 使用sigma-delta测量技术检测电容的方法和系统
JP5395429B2 (ja) 2005-06-03 2014-01-22 シナプティクス インコーポレイテッド シグマデルタ測定法を使用してキャパシタンスを検出するための方法およびシステム
US7288946B2 (en) 2005-06-03 2007-10-30 Synaptics Incorporated Methods and systems for detecting a capacitance using sigma-delta measurement techniques
US7466256B2 (en) * 2006-03-31 2008-12-16 Siemens Medical Solutions Usa, Inc. Universal ultrasound sigma-delta receiver path
US8547114B2 (en) * 2006-11-14 2013-10-01 Cypress Semiconductor Corporation Capacitance to code converter with sigma-delta modulator
US8125441B2 (en) * 2006-11-20 2012-02-28 Cypress Semiconductor Corporation Discriminating among activation of multiple buttons
US8049732B2 (en) 2007-01-03 2011-11-01 Apple Inc. Front-end signal compensation
US8054299B2 (en) * 2007-01-08 2011-11-08 Apple Inc. Digital controller for a true multi-point touch surface useable in a computer system
US8525799B1 (en) * 2007-04-24 2013-09-03 Cypress Semiconductor Conductor Detecting multiple simultaneous touches on a touch-sensor device
US8089289B1 (en) 2007-07-03 2012-01-03 Cypress Semiconductor Corporation Capacitive field sensor with sigma-delta modulator
GB2452524A (en) 2007-09-06 2009-03-11 Cambridge Silicon Radio Ltd A jitter insensitive sigma-delta modulator
US7953258B2 (en) 2008-04-04 2011-05-31 Validity Sensors, Inc. Fingerprint sensing circuit having programmable sensing patterns
KR101015964B1 (ko) * 2008-07-07 2011-02-23 재단법인서울대학교산학협력재단 연속 시간 시그마 델타 변조기를 위한 디지털-아날로그변환기
US8482536B1 (en) * 2008-07-23 2013-07-09 Cypress Semiconductor Corporation Compensation of signal values for a touch sensor
GB2463879A (en) * 2008-09-25 2010-03-31 Ubidyne Inc Apparatus and method for the calibration of delta-sigma modulators of the continuous time, band pass, type.
US8866500B2 (en) * 2009-03-26 2014-10-21 Cypress Semiconductor Corporation Multi-functional capacitance sensing circuit with a current conveyor
US7956782B2 (en) * 2009-06-11 2011-06-07 Honeywell International Inc. Current-mode sigma-delta digital-to-analog converter
US9680498B2 (en) * 2009-06-26 2017-06-13 Syntropy Systems, Llc Sampling/quantization converters
US9069405B2 (en) * 2009-07-28 2015-06-30 Cypress Semiconductor Corporation Dynamic mode switching for fast touch response
US8031094B2 (en) 2009-09-11 2011-10-04 Apple Inc. Touch controller with improved analog front end
JP5118685B2 (ja) 2009-12-09 2013-01-16 旭化成エレクトロニクス株式会社 周波数変換回路
US9244569B2 (en) 2010-03-31 2016-01-26 Stmicroelectronics Asia Pacific Pte Ltd Capacitive sensing analog front end
US8344921B2 (en) 2010-11-04 2013-01-01 Mediatek Inc. Sigma-delta modulator with SAR ADC and truncater having order lower than order of integrator and related sigma-delta modulation method
WO2012148539A1 (en) 2011-02-25 2012-11-01 Maxim Integrated Products, Inc Capacitive touch sense architecture
JP5836020B2 (ja) * 2011-09-02 2015-12-24 スパンション エルエルシー Ａ／ｄ変換器
CN104247272B (zh) * 2012-04-19 2017-06-13 丰田自动车株式会社 Δς调制器以及δς型a/d变换器
JP6043679B2 (ja) * 2012-08-01 2016-12-14 アルプス電気株式会社 静電容量検出回路及び入力デバイス
US8681029B1 (en) 2012-09-21 2014-03-25 Invensense, Inc. Chopper-stabilization method and apparatus for sigma delta modulators
FR2996387B1 (fr) 2012-09-28 2015-08-07 Univ Pierre Et Marie Curie Paris 6 Modulateur rf sigma delta a couplage capacitif, convertisseur analogique-numerique et appareil comprenant un tel modulateur
US9383395B1 (en) * 2013-04-26 2016-07-05 Parade Technologies, Ltd. Charge balancing converter using a passive integrator circuit
US8928359B2 (en) * 2013-05-08 2015-01-06 Synaptics Incorporated Charge distribution
US20150029136A1 (en) * 2013-07-29 2015-01-29 Apple Inc. Superheterodyne pen stimulus signal receiver
US9118342B2 (en) 2013-09-20 2015-08-25 Texas Instruments Incorported Low power excess loop delay compensation technique for delta-sigma modulators
US9244581B2 (en) 2013-09-30 2016-01-26 Synaptics Incorporated Modulated power supply for reduced parasitic capacitance
US9407283B2 (en) 2013-10-17 2016-08-02 Analog Devices Global Delta-sigma modulator having sensor front-end
US20150145535A1 (en) * 2013-11-26 2015-05-28 Semtech Corporation Capacitive sensing interface for proximity detection
KR101659789B1 (ko) * 2013-11-26 2016-09-26 셈테크 코포레이션 근접 검출을 위한 용량성 감지 인터페이스
KR101555515B1 (ko) * 2014-03-24 2015-10-06 주식회사 동부하이텍 터치 센서
US9151792B1 (en) * 2014-05-29 2015-10-06 Cyress Semiconductor Corporation High-voltage, high-sensitivity self-capacitance sensing
EP2975501B1 (en) 2014-07-18 2023-08-02 Semtech Corporation A measuring circuit and measuring method for a capacitive touch-sensitive panel
JP6156339B2 (ja) 2014-11-26 2017-07-05 トヨタ自動車株式会社 Δς変調器
US10061415B2 (en) * 2016-06-30 2018-08-28 Synaptics Incorporated Input device receiver with delta-sigma modulator
US10133435B2 (en) * 2017-01-03 2018-11-20 Synaptics Incorporated Reduced capacitive baseline shift via switching elements
US10372276B2 (en) * 2017-01-06 2019-08-06 Synaptics Incorporated Reduced capacitive baseline shift via mixing period adjustments
US10126900B2 (en) * 2017-04-04 2018-11-13 Synaptics Incorporated Reduced capacitive baseline shift using null time periods

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160126972A1 (en) * 2014-11-03 2016-05-05 Novatek Microelectronics Corp. Touch control detection system, delta-sigma modulator and modulating method thereof

Also Published As

Publication number Publication date
US20180004317A1 (en) 2018-01-04
KR20190015348A (ko) 2019-02-13
WO2018004826A1 (en) 2018-01-04
EP3479484A4 (en) 2020-01-01
CN109314522B (zh) 2023-09-22
CN117215430A (zh) 2023-12-12
US10725583B2 (en) 2020-07-28
US20180356914A1 (en) 2018-12-13
JP2019531612A (ja) 2019-10-31
CN109314522A (zh) 2019-02-05
EP3479484A1 (en) 2019-05-08
EP3479484B1 (en) 2022-02-16
JP7118902B2 (ja) 2022-08-16
US10061415B2 (en) 2018-08-28

Similar Documents

Publication Publication Date Title
KR102313329B1 (ko) 델타-시그마 변조기를 갖는 입력 디바이스 수신기
US8766950B1 (en) Modulated power supply for reduced parasitic capacitance
US9244581B2 (en) Modulated power supply for reduced parasitic capacitance
CN107025013B (zh) 使用电极保护技术的二维绝对电容性感测
US9298314B2 (en) Mitigation of display update noise using proximately disposed coupling electrode
US10175833B2 (en) Adaptive force sensing
US10503320B2 (en) Active feedforward interference cancellation techniques for sensor analog front-end
US10949034B2 (en) Single-layer sensor array scan
CN110088717B (zh) 经由切换元件的减少的电容性基线偏移
US10768762B2 (en) Reduced capacitive baseline shift via mixing period adjustments
CN109308144B (zh) 多个模拟前端的校准
CN112346603A (zh) 用于生成校正的传感器数据的系统和方法
KR102251722B1 (ko) 간섭 측정치들을 이용한 전력 소비 최적화
US11003288B2 (en) Active input sensing using regional scanning
CN108351725B (zh) 确定输入装置内的介电层的厚度分布的装置、方法和系统
US9459367B2 (en) Capacitive sensor driving technique that enables hybrid sensing or equalization
US10126900B2 (en) Reduced capacitive baseline shift using null time periods

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20181221

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20200323

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20210218

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20210803

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20211008

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20211008

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee