CN103902114B - 电容检测电路 - Google Patents
电容检测电路 Download PDFInfo
- Publication number
- CN103902114B CN103902114B CN201210585884.2A CN201210585884A CN103902114B CN 103902114 B CN103902114 B CN 103902114B CN 201210585884 A CN201210585884 A CN 201210585884A CN 103902114 B CN103902114 B CN 103902114B
- Authority
- CN
- China
- Prior art keywords
- switch
- electric capacity
- sensing unit
- transfer electric
- module
- 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.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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
- G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (14)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210585884.2A CN103902114B (zh) | 2012-12-30 | 2012-12-30 | 电容检测电路 |
CN201610349901.0A CN106055183B (zh) | 2012-12-30 | 2012-12-30 | 电容检测电路 |
US14/653,497 US9612684B2 (en) | 2012-12-30 | 2013-12-30 | Capacitance detecting circuit |
PCT/CN2013/090888 WO2014101869A1 (en) | 2012-12-30 | 2013-12-30 | Capacitance detecting circuit |
US15/436,981 US9846514B2 (en) | 2012-12-30 | 2017-02-20 | Capacitance detecting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210585884.2A CN103902114B (zh) | 2012-12-30 | 2012-12-30 | 电容检测电路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610349901.0A Division CN106055183B (zh) | 2012-12-30 | 2012-12-30 | 电容检测电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103902114A CN103902114A (zh) | 2014-07-02 |
CN103902114B true CN103902114B (zh) | 2017-03-15 |
Family
ID=50993473
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610349901.0A Active CN106055183B (zh) | 2012-12-30 | 2012-12-30 | 电容检测电路 |
CN201210585884.2A Active CN103902114B (zh) | 2012-12-30 | 2012-12-30 | 电容检测电路 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610349901.0A Active CN106055183B (zh) | 2012-12-30 | 2012-12-30 | 电容检测电路 |
Country Status (3)
Country | Link |
---|---|
US (2) | US9612684B2 (zh) |
CN (2) | CN106055183B (zh) |
WO (1) | WO2014101869A1 (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104459400B (zh) | 2014-12-08 | 2018-07-17 | 深圳市华星光电技术有限公司 | 用于自容式触摸屏的检测电路和检测方法 |
CN106033965B (zh) * | 2015-03-16 | 2019-05-14 | 炬芯(珠海)科技有限公司 | 一种触摸按键检测电路及其检测方法 |
WO2017067524A1 (en) * | 2015-10-23 | 2017-04-27 | Shenzhen Huiding Technology Co., Ltd. | Capacitance detecting sensors and related devices and systems |
CN106680591B (zh) * | 2016-12-21 | 2019-05-31 | 北京集创北方科技股份有限公司 | 触控显示面板的检测电路及检测方法 |
WO2018132963A1 (zh) * | 2017-01-18 | 2018-07-26 | 深圳市汇顶科技股份有限公司 | 检测电容的装置、电子设备和检测压力的装置 |
KR102405666B1 (ko) * | 2017-08-18 | 2022-06-07 | 삼성전자주식회사 | 터치 감지 신호를 제어하는 전자 장치, 방법 및 저장 매체 |
CN110113468B (zh) * | 2018-02-01 | 2021-02-12 | 中兴通讯股份有限公司 | 一种状态检测装置和方法 |
CN110161318B (zh) * | 2018-02-13 | 2021-01-26 | 谢晔华 | 一种电容检测电路及检测方法 |
CN110463041B (zh) * | 2018-03-06 | 2023-08-25 | 深圳市汇顶科技股份有限公司 | 用于电容检测的电路、触摸检测装置和终端设备 |
CN113168818A (zh) * | 2018-09-03 | 2021-07-23 | 德克萨斯仪器股份有限公司 | 触摸传感器电路 |
CN111164557B (zh) * | 2018-09-07 | 2023-10-20 | 深圳市汇顶科技股份有限公司 | 电容检测电路、触控芯片及电子设备 |
CN109802669A (zh) * | 2019-03-11 | 2019-05-24 | 中电海康无锡科技有限公司 | 一种减小触摸感应输出干扰电路 |
EP3798807A4 (en) | 2019-08-01 | 2021-05-19 | Shenzhen Goodix Technology Co., Ltd. | CAPACITY MEASUREMENT METHOD |
CN110504970B (zh) * | 2019-08-22 | 2023-05-16 | 湖南品腾电子科技有限公司 | 电容数字转换电路 |
CN113037265B (zh) * | 2019-12-24 | 2023-06-27 | 上海美仁半导体有限公司 | 电器设备、触控芯片、电容触控按键的检测装置和方法 |
CN111819451B (zh) | 2020-03-03 | 2023-06-09 | 深圳市汇顶科技股份有限公司 | 电容检测电路、传感器、芯片以及电子设备 |
CN112505427B (zh) * | 2020-11-17 | 2023-04-07 | 上海美仁半导体有限公司 | 电容测量电路及测量方法 |
WO2022183442A1 (zh) * | 2021-03-04 | 2022-09-09 | 深圳市汇顶科技股份有限公司 | 触控驱动电路、驱动芯片以及触控显示装置 |
CN112947790B (zh) * | 2021-03-04 | 2022-06-14 | 深圳市汇顶科技股份有限公司 | 触控驱动电路、驱动芯片以及触控显示装置 |
CN113054983A (zh) * | 2021-03-25 | 2021-06-29 | 深圳前海维晟智能技术有限公司 | 支持硬件防水的密集型电容触摸按键电路 |
CN114468392B (zh) * | 2022-01-04 | 2024-03-15 | 西安稳先半导体科技有限责任公司 | 恒定功率控制电路及方法、烟杆、电子烟 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009007500A1 (en) * | 2007-07-11 | 2009-01-15 | Maricap Oy | Method and device for capacitive detection of objects |
CN102109938A (zh) * | 2009-12-28 | 2011-06-29 | 奇景光电股份有限公司 | 触控面板 |
CN102193032A (zh) * | 2010-03-08 | 2011-09-21 | 上海海栎创微电子有限公司 | 一种具有高精度高稳定性的自电容变化测量电路 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4363281B2 (ja) | 2004-09-08 | 2009-11-11 | オムロン株式会社 | 容量計測装置および方法、並びにプログラム |
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 |
CN101060321B (zh) * | 2006-04-19 | 2011-04-06 | 北京希格玛和芯微电子技术有限公司 | 电荷转移装置、触摸感应装置及方法 |
CN1832349A (zh) | 2006-04-19 | 2006-09-13 | 北京希格玛晶华微电子有限公司 | 一种电容测量触摸感应、辨认方法及实现装置 |
JP4433035B2 (ja) * | 2007-11-05 | 2010-03-17 | エプソンイメージングデバイス株式会社 | 表示装置および電子機器 |
CN101943716B (zh) | 2009-07-09 | 2012-11-28 | 联咏科技股份有限公司 | 电容值测量电路与方法 |
JP5293564B2 (ja) * | 2009-11-04 | 2013-09-18 | カシオ計算機株式会社 | タッチパネル付き液晶表示装置とその駆動方法 |
US20110163768A1 (en) | 2010-01-05 | 2011-07-07 | Sain Infocom | Touch screen device, capacitance measuring circuit thereof, and method of measuring capacitance |
US8933907B2 (en) * | 2010-04-30 | 2015-01-13 | Microchip Technology Incorporated | Capacitive touch system using both self and mutual capacitance |
WO2011138530A1 (fr) | 2010-05-07 | 2011-11-10 | Stmicroelectronics (Rousset) Sas | Procede et dispositif de caracterisation ou de mesure d'une capacite flottante |
KR101216393B1 (ko) | 2010-05-13 | 2012-12-28 | 주식회사 실리콘웍스 | 터치스크린의 정전용량 측정회로 및 방법 |
KR101178731B1 (ko) * | 2010-05-13 | 2012-08-31 | 주식회사 실리콘웍스 | 터치스크린의 터치라인신호 처리회로 |
TWI571788B (zh) * | 2011-03-21 | 2017-02-21 | 宸鴻光電科技股份有限公司 | 觸控感測裝置及其掃描方法 |
CN102495701B (zh) | 2011-11-16 | 2014-12-10 | 敦泰科技有限公司 | 一种电容触摸屏的触摸检测方法和触摸检测装置 |
CN203084695U (zh) * | 2012-12-31 | 2013-07-24 | 比亚迪股份有限公司 | 电容检测电路 |
-
2012
- 2012-12-30 CN CN201610349901.0A patent/CN106055183B/zh active Active
- 2012-12-30 CN CN201210585884.2A patent/CN103902114B/zh active Active
-
2013
- 2013-12-30 US US14/653,497 patent/US9612684B2/en active Active
- 2013-12-30 WO PCT/CN2013/090888 patent/WO2014101869A1/en active Application Filing
-
2017
- 2017-02-20 US US15/436,981 patent/US9846514B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009007500A1 (en) * | 2007-07-11 | 2009-01-15 | Maricap Oy | Method and device for capacitive detection of objects |
CN102109938A (zh) * | 2009-12-28 | 2011-06-29 | 奇景光电股份有限公司 | 触控面板 |
CN102193032A (zh) * | 2010-03-08 | 2011-09-21 | 上海海栎创微电子有限公司 | 一种具有高精度高稳定性的自电容变化测量电路 |
Also Published As
Publication number | Publication date |
---|---|
WO2014101869A1 (en) | 2014-07-03 |
US20150317033A1 (en) | 2015-11-05 |
CN106055183B (zh) | 2019-11-08 |
US20170160323A1 (en) | 2017-06-08 |
US9846514B2 (en) | 2017-12-19 |
US9612684B2 (en) | 2017-04-04 |
CN106055183A (zh) | 2016-10-26 |
CN103902114A (zh) | 2014-07-02 |
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Effective date of registration: 20191203 Address after: 518119 1 Yanan Road, Kwai Chung street, Dapeng New District, Shenzhen, Guangdong Patentee after: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kwai Chung street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |