CN102954753B - 电容式距离传感器 - Google Patents
电容式距离传感器 Download PDFInfo
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- CN102954753B CN102954753B CN201210403271.2A CN201210403271A CN102954753B CN 102954753 B CN102954753 B CN 102954753B CN 201210403271 A CN201210403271 A CN 201210403271A CN 102954753 B CN102954753 B CN 102954753B
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- 238000000034 method Methods 0.000 claims description 19
- 230000005591 charge neutralization Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000013507 mapping Methods 0.000 description 13
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- 238000009825 accumulation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 101100067427 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FUS3 gene Proteins 0.000 description 1
- 101100015484 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GPA1 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
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- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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CN201210403271.2A CN102954753B (zh) | 2012-10-22 | 2012-10-22 | 电容式距离传感器 |
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CN201210403271.2A CN102954753B (zh) | 2012-10-22 | 2012-10-22 | 电容式距离传感器 |
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CN102954753A CN102954753A (zh) | 2013-03-06 |
CN102954753B true CN102954753B (zh) | 2015-09-09 |
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Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103714330B (zh) * | 2014-01-06 | 2017-12-19 | 苏州迈瑞微电子有限公司 | 电容指纹传感器 |
CN104143982B (zh) * | 2014-04-02 | 2017-11-10 | 上海菱沃铂智能技术有限公司 | 一种用于sar型adc的小面积dac电容阵列 |
TWI526945B (zh) | 2014-08-26 | 2016-03-21 | 神盾股份有限公司 | 電容式指紋感測裝置及其指紋感測方法 |
CN105046194B (zh) * | 2015-06-08 | 2020-04-10 | 苏州迈瑞微电子有限公司 | 一种包含积分器的电容指纹传感器 |
TWI531982B (zh) * | 2015-08-03 | 2016-05-01 | Fast identification of the fingerprint identification sensor | |
CN105335737B (zh) * | 2015-12-02 | 2019-03-15 | 苏州迈瑞微电子有限公司 | 电容指纹传感器 |
CN106199138B (zh) * | 2016-08-30 | 2023-04-07 | 中广核达胜加速器技术有限公司 | 一种用于检测加速器电极板电压及频率的装置 |
WO2018058335A1 (zh) * | 2016-09-27 | 2018-04-05 | 深圳市汇顶科技股份有限公司 | 电容感测电路 |
KR102032889B1 (ko) | 2016-09-27 | 2019-10-16 | 선전 구딕스 테크놀로지 컴퍼니, 리미티드 | 정전용량 감지회로 |
EP3418942B1 (en) | 2016-11-21 | 2021-07-28 | Shenzhen Goodix Technology Co., Ltd. | Fingerprint sensor and electronic terminal |
KR101983618B1 (ko) | 2016-11-22 | 2019-05-29 | 선전 구딕스 테크놀로지 컴퍼니, 리미티드 | 커패시턴스 감지 회로 및 지문 인식 시스템 |
CN106979744B (zh) * | 2017-06-07 | 2020-05-22 | 崔高阳 | 测距装置及系统 |
CN107101596A (zh) * | 2017-06-12 | 2017-08-29 | 昆山锐芯微电子有限公司 | 距离传感器和3d图像传感器 |
CN109697398B (zh) * | 2017-10-24 | 2023-09-01 | 苏州迈瑞微电子有限公司 | 一种传感器传感方法、电子装置、存储介质和终端设备 |
WO2019084832A1 (zh) * | 2017-11-01 | 2019-05-09 | 深圳市汇顶科技股份有限公司 | 一种指纹识别电路、指纹传感器及移动终端 |
CN109083634B (zh) * | 2018-08-15 | 2020-11-27 | 中国地质大学(武汉) | 一种基于微电容的井筒环空压力传感器 |
CN109975877B (zh) * | 2019-04-15 | 2021-01-01 | 深圳大学 | 汽车盲区预警系统、汽车、方法及其装置 |
JP2022542620A (ja) * | 2019-06-14 | 2022-10-06 | 京東方科技集團股▲ふん▼有限公司 | 紋様画像取得回路、表示パネル及び紋様画像取得方法 |
CN113155012B (zh) * | 2021-01-25 | 2022-11-01 | 上海兰宝传感科技股份有限公司 | 一种电容接近开关传感器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1164076A (zh) * | 1996-01-26 | 1997-11-05 | 哈里公司 | 安全性高的指纹感测盒及有关方法 |
US5747698A (en) * | 1996-04-24 | 1998-05-05 | Simmonds Precision Products Inc. | Capacitive z-axis strain gauge |
CN1472520A (zh) * | 2002-07-11 | 2004-02-04 | ������������ʽ���� | 静电电容式传感器 |
US7006078B2 (en) * | 2002-05-07 | 2006-02-28 | Mcquint, Inc. | Apparatus and method for sensing the degree and touch strength of a human body on a sensor |
CN201852555U (zh) * | 2010-11-10 | 2011-06-01 | 吴苏杭 | 电容式位移传感器的测量电路 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0583100A (ja) * | 1991-09-20 | 1993-04-02 | Nippon Telegr & Teleph Corp <Ntt> | Mosfetの駆動回路 |
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- 2012-10-22 CN CN201210403271.2A patent/CN102954753B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1164076A (zh) * | 1996-01-26 | 1997-11-05 | 哈里公司 | 安全性高的指纹感测盒及有关方法 |
US5747698A (en) * | 1996-04-24 | 1998-05-05 | Simmonds Precision Products Inc. | Capacitive z-axis strain gauge |
US7006078B2 (en) * | 2002-05-07 | 2006-02-28 | Mcquint, Inc. | Apparatus and method for sensing the degree and touch strength of a human body on a sensor |
CN1472520A (zh) * | 2002-07-11 | 2004-02-04 | ������������ʽ���� | 静电电容式传感器 |
CN201852555U (zh) * | 2010-11-10 | 2011-06-01 | 吴苏杭 | 电容式位移传感器的测量电路 |
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