TWI560618B - Fingerprint detection circuit and electronic device - Google Patents

Fingerprint detection circuit and electronic device

Info

Publication number
TWI560618B
TWI560618B TW104129624A TW104129624A TWI560618B TW I560618 B TWI560618 B TW I560618B TW 104129624 A TW104129624 A TW 104129624A TW 104129624 A TW104129624 A TW 104129624A TW I560618 B TWI560618 B TW I560618B
Authority
TW
Taiwan
Prior art keywords
electronic device
detection circuit
fingerprint detection
fingerprint
circuit
Prior art date
Application number
TW104129624A
Other languages
English (en)
Other versions
TW201629845A (zh
Inventor
Zhengang Li
Kunping Xu
Yun Yang
Original Assignee
Byd Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Byd Co Ltd filed Critical Byd Co Ltd
Publication of TW201629845A publication Critical patent/TW201629845A/zh
Application granted granted Critical
Publication of TWI560618B publication Critical patent/TWI560618B/zh

Links

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
    • 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
    • G06V40/1365—Matching; Classification
    • G06V40/1376—Matching features related to ridge properties or fingerprint texture

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 The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electronic Switches (AREA)
TW104129624A 2015-02-13 2015-09-08 Fingerprint detection circuit and electronic device TWI560618B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510082222.7A CN105447439B (zh) 2015-02-13 2015-02-13 指纹检测电路及电子装置

Publications (2)

Publication Number Publication Date
TW201629845A TW201629845A (zh) 2016-08-16
TWI560618B true TWI560618B (en) 2016-12-01

Family

ID=55557599

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104129624A TWI560618B (en) 2015-02-13 2015-09-08 Fingerprint detection circuit and electronic device

Country Status (7)

Country Link
US (1) US10346664B2 (zh)
EP (1) EP3256986A4 (zh)
JP (1) JP2018515946A (zh)
KR (1) KR101912383B1 (zh)
CN (1) CN105447439B (zh)
TW (1) TWI560618B (zh)
WO (1) WO2016127733A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106056047B (zh) 2016-05-20 2019-06-14 京东方科技集团股份有限公司 指纹识别电路、触控装置及指纹识别方法
EP3267358B1 (en) * 2016-07-05 2021-10-13 Nxp B.V. Fingerprint sensing system and method
CN107632206B (zh) * 2017-09-22 2020-01-31 重庆纳尔利科技有限公司 一种手指触碰电容检测装置及其工作方法
TWI666590B (zh) * 2018-04-10 2019-07-21 友達光電股份有限公司 指紋感測面板及其指紋感測器

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CN203799390U (zh) * 2014-03-27 2014-08-27 成都费恩格尔微电子技术有限公司 一种射频式微电容指纹采集芯片

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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
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JP6212648B2 (ja) * 2014-01-14 2017-10-11 フォーカルテック エレクトロニクス リミテッドＦｏｃａｌｔｅｃｈ Ｅｌｅｃｔｒｏｎｉｃｓ， Ｌｔｄ． 電界型指紋認証装置及びその状態制御方法、プロテーゼ認証方法
CN104217193B (zh) 2014-03-20 2017-12-19 深圳市汇顶科技股份有限公司 电容指纹感应电路和感应器
CN103870817B (zh) 2014-03-27 2019-04-05 成都费恩格尔微电子技术有限公司 一种射频式微电容指纹采集芯片及采集方法
CN104155785B (zh) * 2014-08-07 2016-10-05 京东方科技集团股份有限公司 阵列基板及其驱动方法、显示装置
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201015452A (en) * 2008-10-08 2010-04-16 Egis Technology Inc Imaging device
US20120085822A1 (en) * 2010-10-08 2012-04-12 Authentec, Inc. Finger sensing device including differential measurement circuitry and related methods
TW201229852A (en) * 2010-10-18 2012-07-16 Qualcomm Mems Technologies Inc Controller architecture for combination touch, handwriting and fingerprint sensor
TW201337782A (zh) * 2011-12-23 2013-09-16 Validity Sensors Inc 電容式影像感測之方法及裝置
CN203799390U (zh) * 2014-03-27 2014-08-27 成都费恩格尔微电子技术有限公司 一种射频式微电容指纹采集芯片

Also Published As

Publication number Publication date
TW201629845A (zh) 2016-08-16
CN105447439B (zh) 2017-05-03
CN105447439A (zh) 2016-03-30
KR20170101979A (ko) 2017-09-06
WO2016127733A1 (en) 2016-08-18
KR101912383B1 (ko) 2018-10-26
US10346664B2 (en) 2019-07-09
EP3256986A1 (en) 2017-12-20
US20180005000A1 (en) 2018-01-04
EP3256986A4 (en) 2019-02-27
JP2018515946A (ja) 2018-06-14

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