CN101477152B - 一种电容检测装置及方法 - Google Patents
一种电容检测装置及方法 Download PDFInfo
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- CN101477152B CN101477152B CN2008102407411A CN200810240741A CN101477152B CN 101477152 B CN101477152 B CN 101477152B CN 2008102407411 A CN2008102407411 A CN 2008102407411A CN 200810240741 A CN200810240741 A CN 200810240741A CN 101477152 B CN101477152 B CN 101477152B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims abstract description 33
- 238000012546 transfer Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000010351 charge transfer process Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
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Priority Applications (1)
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CN2008102407411A CN101477152B (zh) | 2008-12-24 | 2008-12-24 | 一种电容检测装置及方法 |
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CN2008102407411A CN101477152B (zh) | 2008-12-24 | 2008-12-24 | 一种电容检测装置及方法 |
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CN101477152A CN101477152A (zh) | 2009-07-08 |
CN101477152B true CN101477152B (zh) | 2011-08-17 |
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CN2008102407411A Expired - Fee Related CN101477152B (zh) | 2008-12-24 | 2008-12-24 | 一种电容检测装置及方法 |
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101962904B (zh) * | 2009-07-22 | 2012-07-18 | 声宝股份有限公司 | 洗衣机的触控装置及其使用的误触排除方法 |
CN102004588B (zh) * | 2009-09-03 | 2014-10-29 | 义隆电子股份有限公司 | 电容式触控板的检测电路及方法 |
CN102193033B (zh) * | 2010-03-08 | 2015-02-18 | 上海海栎创微电子有限公司 | 一种具有快速响应的自电容变化测量电路 |
CN101840297B (zh) * | 2010-04-07 | 2012-09-05 | 敦泰科技(深圳)有限公司 | 一种电容式触摸屏的触摸检测方法和检测电路 |
TWI410852B (zh) | 2010-05-05 | 2013-10-01 | Novatek Microelectronics Corp | 觸碰偵測方法及相關觸控裝置 |
TWI410853B (zh) | 2010-05-07 | 2013-10-01 | Novatek Microelectronics Corp | 用於觸控裝置之電容量測量裝置 |
CN102253289B (zh) * | 2010-05-18 | 2013-12-25 | 联咏科技股份有限公司 | 用于触控装置的电容量测量装置 |
CN102072989B (zh) * | 2010-11-03 | 2014-04-09 | 北京普源精电科技有限公司 | 一种具有电容测量功能的测量装置 |
CN102541367B (zh) * | 2010-12-29 | 2015-11-25 | 比亚迪股份有限公司 | 一种电容式触控检测电路、检测装置 |
CN102832940B (zh) * | 2012-09-17 | 2015-05-06 | 江苏国石半导体有限公司 | 一种用于电流输入adc的前端电路 |
CN103134996B (zh) * | 2013-01-31 | 2015-12-09 | 珠海中慧微电子有限公司 | 采用电荷补偿的互电容感测电路及方法 |
US9983246B2 (en) * | 2016-01-15 | 2018-05-29 | Cypress Semiconductor Corporation | Quasi-differential mutual capacitance measurement |
CN110300897B (zh) * | 2018-01-24 | 2020-11-03 | 深圳市汇顶科技股份有限公司 | 电容检测电路、触控装置和终端设备 |
CN110224695A (zh) * | 2019-05-22 | 2019-09-10 | 长沙景美集成电路设计有限公司 | 一种硬件防水电容触摸按键电路 |
CN116559520B (zh) * | 2023-02-15 | 2023-10-17 | 海的电子科技(苏州)有限公司 | 电压信号检测方法、装置和存储介质 |
CN116704970B (zh) * | 2023-08-04 | 2023-10-24 | 南京芯视元电子有限公司 | 一种显示信号处理的校正系统及方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1766660A (zh) * | 2004-09-08 | 2006-05-03 | 欧姆龙株式会社 | 电容计测装置和方法及程序 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1766660A (zh) * | 2004-09-08 | 2006-05-03 | 欧姆龙株式会社 | 电容计测装置和方法及程序 |
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Effective date of registration: 20220221 Address after: 300384 9-3-401, No. 39, Gaoxin 6th Road, Binhai Science Park, Binhai high tech Zone, Binhai New Area, Tianjin Patentee after: Tianjin sigma microelectric technique Co.,Ltd. Address before: 100098 Beijing city Haidian District No. 48 Zhichun Road Yingdu building B block 15 layer Patentee before: BEIJING SIGMACHIP CO.,LTD. |
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