CN105335737A - 电容指纹传感器 - Google Patents
电容指纹传感器 Download PDFInfo
- Publication number
- CN105335737A CN105335737A CN201510874861.7A CN201510874861A CN105335737A CN 105335737 A CN105335737 A CN 105335737A CN 201510874861 A CN201510874861 A CN 201510874861A CN 105335737 A CN105335737 A CN 105335737A
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- Prior art keywords
- switch
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- output terminal
- sensor
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000009825 accumulation Methods 0.000 claims description 62
- 239000003990 capacitor Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 5
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 abstract description 10
- 238000005859 coupling reaction Methods 0.000 abstract description 10
- 230000008878 coupling Effects 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract 2
- 230000008859 change Effects 0.000 description 13
- 238000003384 imaging method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000010205 computational analysis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
- H03K2017/9604—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (16)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510874861.7A CN105335737B (zh) | 2015-12-02 | 2015-12-02 | 电容指纹传感器 |
TW105116224A TWI615761B (zh) | 2015-12-02 | 2016-05-24 | 電容指紋傳感器 |
PCT/CN2016/108037 WO2017092676A1 (zh) | 2015-12-02 | 2016-11-30 | 电容指纹传感器 |
EP16869986.6A EP3385881A4 (en) | 2015-12-02 | 2016-11-30 | CAPACITIVE FINGERPRINT SENSOR |
US15/779,871 US10628651B2 (en) | 2015-12-02 | 2016-11-30 | Capacitive fingerprint sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510874861.7A CN105335737B (zh) | 2015-12-02 | 2015-12-02 | 电容指纹传感器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105335737A true CN105335737A (zh) | 2016-02-17 |
CN105335737B CN105335737B (zh) | 2019-03-15 |
Family
ID=55286253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510874861.7A Active CN105335737B (zh) | 2015-12-02 | 2015-12-02 | 电容指纹传感器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10628651B2 (zh) |
EP (1) | EP3385881A4 (zh) |
CN (1) | CN105335737B (zh) |
TW (1) | TWI615761B (zh) |
WO (1) | WO2017092676A1 (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106056052A (zh) * | 2016-03-25 | 2016-10-26 | 深圳市奔凯安全技术股份有限公司 | 一种指纹采集电路 |
CN106462309A (zh) * | 2016-09-27 | 2017-02-22 | 深圳市汇顶科技股份有限公司 | 电容感测电路 |
WO2017092676A1 (zh) * | 2015-12-02 | 2017-06-08 | 苏州迈瑞微电子有限公司 | 电容指纹传感器 |
CN107454993A (zh) * | 2017-07-19 | 2017-12-08 | 深圳市汇顶科技股份有限公司 | 电源产生电路、电容式阵列传感装置和终端设备 |
CN107563361A (zh) * | 2017-09-30 | 2018-01-09 | 苏州迈瑞微电子有限公司 | 一种传感器像素及光学传感器 |
CN107688798A (zh) * | 2017-09-30 | 2018-02-13 | 苏州迈瑞微电子有限公司 | 一种电荷型传感器和具有其的传感器阵列及积分电路失配调整参数的获取方法 |
CN107704827A (zh) * | 2017-09-30 | 2018-02-16 | 苏州迈瑞微电子有限公司 | 一种光电传感器和具有其的光电传感器阵列 |
EP3416093A4 (en) * | 2017-01-24 | 2019-04-03 | Shenzhen Goodix Technology Co., Ltd. | SYSTEM FOR RECOGNIZING DIGITAL IMPRESSIONS |
CN109697398A (zh) * | 2017-10-24 | 2019-04-30 | 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 |
CN110210349A (zh) * | 2019-05-22 | 2019-09-06 | 上海思立微电子科技有限公司 | 指纹传感器和移动终端 |
CN112580605A (zh) * | 2020-12-31 | 2021-03-30 | 敦泰电子(深圳)有限公司 | 指纹图像采集方法、装置、电子设备及存储介质 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3418942B1 (en) * | 2016-11-21 | 2021-07-28 | Shenzhen Goodix Technology Co., Ltd. | Fingerprint sensor and electronic terminal |
TWI782524B (zh) * | 2021-05-10 | 2022-11-01 | 大陸商北京集創北方科技股份有限公司 | 電容式指紋感測裝置及具有該電容式指紋感測裝置之觸控顯示裝置和資訊處理裝置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4161363B2 (ja) * | 2002-07-31 | 2008-10-08 | カシオ計算機株式会社 | 接触検知装置及びその検知方法並びに該接触検知装置を適用した画像読取装置 |
CN103714330A (zh) * | 2014-01-06 | 2014-04-09 | 李扬渊 | 电容指纹传感器 |
CN103902971A (zh) * | 2014-03-12 | 2014-07-02 | 深圳市汇顶科技股份有限公司 | 指纹检测电路和指纹检测装置 |
US20150115981A1 (en) * | 2013-10-28 | 2015-04-30 | Idex Asa | Detection method and apparatus for reduced cross -talk and asic area of a fingerprint sensor |
WO2015147727A1 (en) * | 2014-03-24 | 2015-10-01 | Fingerprint Cards Ab | Capacitive fingerprint sensor with improved sensing element |
CN105046194A (zh) * | 2015-06-08 | 2015-11-11 | 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 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110163768A1 (en) | 2010-01-05 | 2011-07-07 | Sain Infocom | Touch screen device, capacitance measuring circuit thereof, and method of measuring capacitance |
US9740343B2 (en) * | 2012-04-13 | 2017-08-22 | Apple Inc. | Capacitive sensing array modulation |
US9298967B2 (en) * | 2012-05-04 | 2016-03-29 | Apple Inc. | Finger biometric sensing device including drive signal nulling circuitry and related methods |
CN102954753B (zh) * | 2012-10-22 | 2015-09-09 | 苏州迈瑞微电子有限公司 | 电容式距离传感器 |
CN103149450B (zh) | 2013-01-31 | 2015-05-20 | 珠海中慧微电子有限公司 | 采用电荷补偿的自电容感测电路及方法 |
WO2015096807A1 (en) * | 2013-12-27 | 2015-07-02 | Byd Company Limited | Capacitance detecting device for fingerprint identification and fingerprint identification apparatus comprising the same |
CN103902123B (zh) * | 2014-01-30 | 2017-04-19 | 敦泰科技有限公司 | 能够减小基底电容的自电容触摸传感装置 |
US20160078269A1 (en) * | 2014-09-15 | 2016-03-17 | Fingerprint Cards Ab | Fingerprint sensor with sync signal input |
CN104573649B (zh) * | 2014-12-30 | 2019-04-02 | 深圳市汇顶科技股份有限公司 | 指纹识别传感器和终端设备 |
CN104880635B (zh) | 2015-06-10 | 2017-06-27 | 宁波力芯科信息科技有限公司 | 一种用于无线充电接收器的检测装置 |
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 |
-
2015
- 2015-12-02 CN CN201510874861.7A patent/CN105335737B/zh active Active
-
2016
- 2016-05-24 TW TW105116224A patent/TWI615761B/zh active
- 2016-11-30 US US15/779,871 patent/US10628651B2/en active Active
- 2016-11-30 EP EP16869986.6A patent/EP3385881A4/en not_active Withdrawn
- 2016-11-30 WO PCT/CN2016/108037 patent/WO2017092676A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4161363B2 (ja) * | 2002-07-31 | 2008-10-08 | カシオ計算機株式会社 | 接触検知装置及びその検知方法並びに該接触検知装置を適用した画像読取装置 |
US20150115981A1 (en) * | 2013-10-28 | 2015-04-30 | Idex Asa | Detection method and apparatus for reduced cross -talk and asic area of a fingerprint sensor |
CN103714330A (zh) * | 2014-01-06 | 2014-04-09 | 李扬渊 | 电容指纹传感器 |
CN103902971A (zh) * | 2014-03-12 | 2014-07-02 | 深圳市汇顶科技股份有限公司 | 指纹检测电路和指纹检测装置 |
WO2015147727A1 (en) * | 2014-03-24 | 2015-10-01 | Fingerprint Cards Ab | Capacitive fingerprint sensor with improved sensing element |
CN105046194A (zh) * | 2015-06-08 | 2015-11-11 | 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 |
Non-Patent Citations (3)
Title |
---|
TOSHISHIGE SHIMAMURA.ETC: "Capacitive-Sensing Circuit Technique for Image Quality Improvement on Fingerprint Sensor LSIs", 《IEEE JOURNALOF SOLID-STATE CIRCUITS> * |
YU-SHENG TIAO.ETC: "A CMOS Readout Circuit for LTPS-TFT Capacitive Fingerprint Sensor", 《ELECTRON DEVICES AND SOLID-STATE CIRCUITS,2005 IEEE CONFERENCE ON》 * |
杨铁军等: "《产业专利分析报告 第33册》", 30 June 2015 * |
Cited By (25)
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WO2017092676A1 (zh) * | 2015-12-02 | 2017-06-08 | 苏州迈瑞微电子有限公司 | 电容指纹传感器 |
US10628651B2 (en) | 2015-12-02 | 2020-04-21 | Microarray Microelectronics Corp., Ltd | Capacitive fingerprint sensor |
CN106056052B (zh) * | 2016-03-25 | 2019-09-17 | 深圳市奔凯安全技术股份有限公司 | 一种指纹采集电路 |
CN106056052A (zh) * | 2016-03-25 | 2016-10-26 | 深圳市奔凯安全技术股份有限公司 | 一种指纹采集电路 |
US10346668B2 (en) | 2016-09-27 | 2019-07-09 | Shenzhen GOODIX Technology Co., Ltd. | Capacitive sensing circuit |
CN106462309A (zh) * | 2016-09-27 | 2017-02-22 | 深圳市汇顶科技股份有限公司 | 电容感测电路 |
CN106462309B (zh) * | 2016-09-27 | 2019-12-17 | 深圳市汇顶科技股份有限公司 | 电容感测电路 |
US10650216B2 (en) | 2017-01-24 | 2020-05-12 | Shenzhen GOODIX Technology Co., Ltd. | Fingerprint identification system |
EP3416093A4 (en) * | 2017-01-24 | 2019-04-03 | Shenzhen Goodix Technology Co., Ltd. | SYSTEM FOR RECOGNIZING DIGITAL IMPRESSIONS |
CN107454993A (zh) * | 2017-07-19 | 2017-12-08 | 深圳市汇顶科技股份有限公司 | 电源产生电路、电容式阵列传感装置和终端设备 |
US10921158B2 (en) | 2017-07-19 | 2021-02-16 | Shenzhen GOODIX Technology Co., Ltd. | Power supply generating circuit, capacitive array sensing apparatus and terminal device |
CN107688798A (zh) * | 2017-09-30 | 2018-02-13 | 苏州迈瑞微电子有限公司 | 一种电荷型传感器和具有其的传感器阵列及积分电路失配调整参数的获取方法 |
WO2019062810A1 (zh) * | 2017-09-30 | 2019-04-04 | 苏州迈瑞微电子有限公司 | 一种电荷型传感器和具有其的传感器阵列及积分电路失配调整参数的获取方法 |
CN107704827A (zh) * | 2017-09-30 | 2018-02-16 | 苏州迈瑞微电子有限公司 | 一种光电传感器和具有其的光电传感器阵列 |
CN107563361B (zh) * | 2017-09-30 | 2023-09-05 | 苏州迈瑞微电子有限公司 | 一种传感器像素及光学传感器 |
CN107563361A (zh) * | 2017-09-30 | 2018-01-09 | 苏州迈瑞微电子有限公司 | 一种传感器像素及光学传感器 |
CN107704827B (zh) * | 2017-09-30 | 2024-03-12 | 苏州迈瑞微电子有限公司 | 一种光电传感器和具有其的光电传感器阵列 |
CN107688798B (zh) * | 2017-09-30 | 2023-10-17 | 苏州迈瑞微电子有限公司 | 一种电荷型传感器和具有其的传感器阵列及积分电路失配调整参数的获取方法 |
WO2019080764A1 (zh) * | 2017-10-24 | 2019-05-02 | 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 |
CN109697398A (zh) * | 2017-10-24 | 2019-04-30 | 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 |
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 |
CN110210349A (zh) * | 2019-05-22 | 2019-09-06 | 上海思立微电子科技有限公司 | 指纹传感器和移动终端 |
CN110210349B (zh) * | 2019-05-22 | 2021-05-11 | 上海思立微电子科技有限公司 | 指纹传感器和移动终端 |
CN112580605A (zh) * | 2020-12-31 | 2021-03-30 | 敦泰电子(深圳)有限公司 | 指纹图像采集方法、装置、电子设备及存储介质 |
CN112580605B (zh) * | 2020-12-31 | 2024-05-24 | 敦泰电子(深圳)有限公司 | 指纹图像采集方法、装置、电子设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
WO2017092676A1 (zh) | 2017-06-08 |
CN105335737B (zh) | 2019-03-15 |
TWI615761B (zh) | 2018-02-21 |
US10628651B2 (en) | 2020-04-21 |
EP3385881A1 (en) | 2018-10-10 |
EP3385881A4 (en) | 2019-07-10 |
TW201721388A (zh) | 2017-06-16 |
US20190005291A1 (en) | 2019-01-03 |
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Effective date of registration: 20211118 Address after: 510700 room 635, room 406, No. 1, Yichuang street, Huangpu District, Guangzhou City, Guangdong Province (Zhongxin Guangzhou Knowledge City) Patentee after: Guangzhou guotongxin Microelectronics Co.,Ltd. Address before: Room 230, Qinmin building, 166 Ren'ai Road, Suzhou Industrial Park, Jiangsu 215000 Patentee before: MICROARRAY MICROELECTRONICS Corp.,Ltd. |
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Denomination of invention: Capacitive fingerprint sensor Effective date of registration: 20230113 Granted publication date: 20190315 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: Guangzhou guotongxin Microelectronics Co.,Ltd. Registration number: Y2023980030959 |
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Granted publication date: 20190315 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: Guangzhou guotongxin Microelectronics Co.,Ltd. Registration number: Y2023980030959 |