CN104748770A - 用于指纹识别的电容检测装置和具有其的指纹识别装置 - Google Patents
用于指纹识别的电容检测装置和具有其的指纹识别装置 Download PDFInfo
- Publication number
- CN104748770A CN104748770A CN201310740173.2A CN201310740173A CN104748770A CN 104748770 A CN104748770 A CN 104748770A CN 201310740173 A CN201310740173 A CN 201310740173A CN 104748770 A CN104748770 A CN 104748770A
- Authority
- CN
- China
- Prior art keywords
- conductor layer
- switch
- capacitance
- reference voltage
- detection
- 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.)
- Granted
Links
Abstract
Description
Claims (11)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310740173.2A CN104748770B (zh) | 2013-12-27 | 2013-12-27 | 用于指纹识别的电容检测装置和具有其的指纹识别装置 |
PCT/CN2014/095134 WO2015096807A1 (en) | 2013-12-27 | 2014-12-26 | Capacitance detecting device for fingerprint identification and fingerprint identification apparatus comprising the same |
KR1020167020384A KR101816002B1 (ko) | 2013-12-27 | 2014-12-26 | 지문 식별을 위한 정전용량 검측 디바이스 및 이를 포함하는 지문 식별 장치 |
EP14874728.0A EP3087349A4 (en) | 2013-12-27 | 2014-12-26 | Capacitance detecting device for fingerprint identification and fingerprint identification apparatus comprising the same |
US15/192,807 US9679186B2 (en) | 2013-12-27 | 2016-06-24 | Capacitance detecting device for fingerprint identification and fingerprint identification apparatus comprising the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310740173.2A CN104748770B (zh) | 2013-12-27 | 2013-12-27 | 用于指纹识别的电容检测装置和具有其的指纹识别装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104748770A true CN104748770A (zh) | 2015-07-01 |
CN104748770B CN104748770B (zh) | 2017-04-12 |
Family
ID=53588807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310740173.2A Active CN104748770B (zh) | 2013-12-27 | 2013-12-27 | 用于指纹识别的电容检测装置和具有其的指纹识别装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104748770B (zh) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105512650A (zh) * | 2016-01-26 | 2016-04-20 | 湖南融创微电子有限公司 | 一种电容式指纹检测电路、传感器及设备 |
WO2016127737A1 (en) * | 2015-02-13 | 2016-08-18 | Byd Company Limited | Fingerprint detection circuit and electronic device |
CN105913048A (zh) * | 2016-03-25 | 2016-08-31 | 深圳市奔凯安全技术股份有限公司 | 一种指纹处理装置 |
CN106293299A (zh) * | 2016-08-16 | 2017-01-04 | 北京集创北方科技股份有限公司 | 用于电容感应识别系统的装置和方法 |
CN106372605A (zh) * | 2016-08-31 | 2017-02-01 | 北京集创北方科技股份有限公司 | 被动式电容指纹识别系统的降噪方法和装置 |
CN106557725A (zh) * | 2015-09-25 | 2017-04-05 | 上海思立微电子科技有限公司 | 指纹传感电路及控制方法 |
CN106682626A (zh) * | 2016-12-29 | 2017-05-17 | 信利(惠州)智能显示有限公司 | 指纹识别结构及其制作方法 |
CN106959877A (zh) * | 2017-03-31 | 2017-07-18 | 上海与德科技有限公司 | 指纹识别芯片驱动电路、指纹识别芯片的驱动方法和装置 |
CN106980411A (zh) * | 2017-04-28 | 2017-07-25 | 北京集创北方科技股份有限公司 | 感应装置和驱动方法 |
TWI659349B (zh) * | 2017-07-06 | 2019-05-11 | 英屬開曼群島商敦泰電子有限公司 | 指紋感測電路及指紋感測裝置 |
US10346664B2 (en) | 2015-02-13 | 2019-07-09 | Byd Company Limited | Fingerprint detection circuit and electronic device |
EP3796148A1 (en) | 2015-10-13 | 2021-03-24 | Huawei Technologies Co., Ltd. | Operation method with fingerprint recognition, apparatus, and mobile terminal operation method with fingerprint recognition, apparatus, and mobile terminal |
CN113033302A (zh) * | 2021-02-09 | 2021-06-25 | 敦泰电子(深圳)有限公司 | 指纹采集电路、芯片及电子设备 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6636053B1 (en) * | 2001-11-02 | 2003-10-21 | Stmicroelectronics, Inc. | Capacitive pixel for fingerprint sensor |
US6681033B1 (en) * | 1998-11-16 | 2004-01-20 | Sony Corporation | Capacitance detecting apparatus and its inspecting method and fingerprint checking apparatus |
US20080069413A1 (en) * | 2004-06-18 | 2008-03-20 | Fingerprint Cards Ab | Fingerprint Sensor Equipment |
CN101526988A (zh) * | 2008-03-06 | 2009-09-09 | 奇景光电股份有限公司 | 电容式指纹感应器及其面板 |
CN101727575A (zh) * | 2008-10-22 | 2010-06-09 | 神盾股份有限公司 | 图像感测装置 |
CN203102316U (zh) * | 2012-10-12 | 2013-07-31 | 周正三 | 生物传感器模块、组件及使用其的电子设备 |
CN203964928U (zh) * | 2013-12-27 | 2014-11-26 | 比亚迪股份有限公司 | 用于指纹识别的电容检测装置和具有其的指纹识别装置 |
-
2013
- 2013-12-27 CN CN201310740173.2A patent/CN104748770B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6681033B1 (en) * | 1998-11-16 | 2004-01-20 | Sony Corporation | Capacitance detecting apparatus and its inspecting method and fingerprint checking apparatus |
US6636053B1 (en) * | 2001-11-02 | 2003-10-21 | Stmicroelectronics, Inc. | Capacitive pixel for fingerprint sensor |
US20080069413A1 (en) * | 2004-06-18 | 2008-03-20 | Fingerprint Cards Ab | Fingerprint Sensor Equipment |
CN101526988A (zh) * | 2008-03-06 | 2009-09-09 | 奇景光电股份有限公司 | 电容式指纹感应器及其面板 |
CN101727575A (zh) * | 2008-10-22 | 2010-06-09 | 神盾股份有限公司 | 图像感测装置 |
CN203102316U (zh) * | 2012-10-12 | 2013-07-31 | 周正三 | 生物传感器模块、组件及使用其的电子设备 |
CN203964928U (zh) * | 2013-12-27 | 2014-11-26 | 比亚迪股份有限公司 | 用于指纹识别的电容检测装置和具有其的指纹识别装置 |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016127737A1 (en) * | 2015-02-13 | 2016-08-18 | Byd Company Limited | Fingerprint detection circuit and electronic device |
US10346664B2 (en) | 2015-02-13 | 2019-07-09 | Byd Company Limited | Fingerprint detection circuit and electronic device |
CN106557725A (zh) * | 2015-09-25 | 2017-04-05 | 上海思立微电子科技有限公司 | 指纹传感电路及控制方法 |
EP3796148A1 (en) | 2015-10-13 | 2021-03-24 | Huawei Technologies Co., Ltd. | Operation method with fingerprint recognition, apparatus, and mobile terminal operation method with fingerprint recognition, apparatus, and mobile terminal |
CN105512650B (zh) * | 2016-01-26 | 2019-10-25 | 湖南融创微电子有限公司 | 一种电容式指纹检测电路、传感器及设备 |
CN105512650A (zh) * | 2016-01-26 | 2016-04-20 | 湖南融创微电子有限公司 | 一种电容式指纹检测电路、传感器及设备 |
CN105913048B (zh) * | 2016-03-25 | 2019-08-20 | 深圳市奔凯安全技术股份有限公司 | 一种指纹处理装置 |
CN105913048A (zh) * | 2016-03-25 | 2016-08-31 | 深圳市奔凯安全技术股份有限公司 | 一种指纹处理装置 |
CN106293299B (zh) * | 2016-08-16 | 2018-01-12 | 北京集创北方科技股份有限公司 | 用于电容感应识别系统的装置和方法 |
WO2018032683A1 (zh) * | 2016-08-16 | 2018-02-22 | 北京集创北方科技股份有限公司 | 用于电容感应识别系统的装置和方法 |
CN106293299A (zh) * | 2016-08-16 | 2017-01-04 | 北京集创北方科技股份有限公司 | 用于电容感应识别系统的装置和方法 |
US10496866B2 (en) | 2016-08-16 | 2019-12-03 | Chipone Technology (Beijing) Co., Ltd. | Device and method for capacitive sensing identification system |
CN106372605A (zh) * | 2016-08-31 | 2017-02-01 | 北京集创北方科技股份有限公司 | 被动式电容指纹识别系统的降噪方法和装置 |
CN106372605B (zh) * | 2016-08-31 | 2019-10-15 | 北京集创北方科技股份有限公司 | 被动式电容指纹识别系统的降噪方法和装置 |
CN106682626A (zh) * | 2016-12-29 | 2017-05-17 | 信利(惠州)智能显示有限公司 | 指纹识别结构及其制作方法 |
CN106959877A (zh) * | 2017-03-31 | 2017-07-18 | 上海与德科技有限公司 | 指纹识别芯片驱动电路、指纹识别芯片的驱动方法和装置 |
CN106980411A (zh) * | 2017-04-28 | 2017-07-25 | 北京集创北方科技股份有限公司 | 感应装置和驱动方法 |
TWI659349B (zh) * | 2017-07-06 | 2019-05-11 | 英屬開曼群島商敦泰電子有限公司 | 指紋感測電路及指紋感測裝置 |
US10803277B2 (en) | 2017-07-06 | 2020-10-13 | Focaltech Electronics, Ltd. | Fingerprint sensing circuit and fingerprint sensing apparatus |
CN113033302A (zh) * | 2021-02-09 | 2021-06-25 | 敦泰电子(深圳)有限公司 | 指纹采集电路、芯片及电子设备 |
CN113033302B (zh) * | 2021-02-09 | 2023-12-26 | 敦泰电子(深圳)有限公司 | 指纹采集电路、芯片及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
CN104748770B (zh) | 2017-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203964928U (zh) | 用于指纹识别的电容检测装置和具有其的指纹识别装置 | |
CN104748770A (zh) | 用于指纹识别的电容检测装置和具有其的指纹识别装置 | |
CN110300897B (zh) | 电容检测电路、触控装置和终端设备 | |
US9953204B2 (en) | Fingerprint sensing system with sensing reference potential providing circuitry | |
CN105046194B (zh) | 一种包含积分器的电容指纹传感器 | |
US9679186B2 (en) | Capacitance detecting device for fingerprint identification and fingerprint identification apparatus comprising the same | |
US10641805B2 (en) | Capacitance detection method and capacitance detection apparatus using the same | |
CN103810479A (zh) | 指纹采集系统及指纹信息采集方法 | |
US8283934B2 (en) | Capacitance sensor for detecting a charge voltage of a multi-capacitor circuit | |
EP3502855B1 (en) | Capacitance detection device, touch device and terminal device | |
CN208013309U (zh) | 电容检测电路、触控装置和终端设备 | |
CN111801584B (zh) | 电容检测电路、触控装置和终端设备 | |
CN103597711A (zh) | 电子设备、无线电力接收装置以及显示装置 | |
CN103870817A (zh) | 一种射频式微电容指纹采集芯片及采集方法 | |
KR101394465B1 (ko) | 터치 감지 장치 구동 방법 및 이를 이용한 터치 감지 장치 | |
CN110008860B (zh) | 指纹识别架构及触控面板 | |
TW201721388A (zh) | 電容指紋傳感器 | |
CN107735799B (zh) | 具有自适应电力控制的指纹感测系统 | |
US11513632B2 (en) | Touch display device, touch driving circuit and touch driving method thereof | |
CN206863767U (zh) | 一种用于指纹传感器的信号处理电路 | |
CN111399679B (zh) | 电容检测装置 | |
TW201403434A (zh) | 具有動態電容匹配機制的觸控模組 | |
CN107066960A (zh) | 一种用于指纹传感器的信号处理电路 | |
CN102957428A (zh) | 具有双重积分电容器系统的模/数转换器 | |
Gao et al. | Piezoelectric material based technique for concurrent force sensing and energy harvesting for interactive displays |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191230 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. |
|
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. 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: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |