FR2839173B1 - Detecteur capacitif d'empreintes digitales - Google Patents

Detecteur capacitif d'empreintes digitales

Info

Publication number
FR2839173B1
FR2839173B1 FR0303779A FR0303779A FR2839173B1 FR 2839173 B1 FR2839173 B1 FR 2839173B1 FR 0303779 A FR0303779 A FR 0303779A FR 0303779 A FR0303779 A FR 0303779A FR 2839173 B1 FR2839173 B1 FR 2839173B1
Authority
FR
France
Prior art keywords
capacitive detector
digital impressions
impressions
digital
capacitive
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.)
Expired - Fee Related
Application number
FR0303779A
Other languages
English (en)
Other versions
FR2839173A1 (fr
Inventor
Bruce C S Chou
Ben Chang
Wallace Y W Cheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LighTuning Technology Inc
Original Assignee
LighTuning Technology Inc
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 LighTuning Technology Inc filed Critical LighTuning Technology Inc
Publication of FR2839173A1 publication Critical patent/FR2839173A1/fr
Application granted granted Critical
Publication of FR2839173B1 publication Critical patent/FR2839173B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Image Input (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR0303779A 2002-04-03 2003-03-27 Detecteur capacitif d'empreintes digitales Expired - Fee Related FR2839173B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW91100680 2002-04-03

Publications (2)

Publication Number Publication Date
FR2839173A1 FR2839173A1 (fr) 2003-10-31
FR2839173B1 true FR2839173B1 (fr) 2004-10-29

Family

ID=29213253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0303779A Expired - Fee Related FR2839173B1 (fr) 2002-04-03 2003-03-27 Detecteur capacitif d'empreintes digitales

Country Status (1)

Country Link
FR (1) FR2839173B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8421890B2 (en) 2010-01-15 2013-04-16 Picofield Technologies, Inc. Electronic imager using an impedance sensor grid array and method of making
US8791792B2 (en) 2010-01-15 2014-07-29 Idex Asa Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making
US8866347B2 (en) 2010-01-15 2014-10-21 Idex Asa Biometric image sensing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109407862B (zh) 2012-04-10 2022-03-11 傲迪司威生物识别公司 生物计量感测

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290052A (en) * 1979-10-26 1981-09-15 General Electric Company Capacitive touch entry apparatus having high degree of personal safety
DE19756560C2 (de) * 1997-12-18 2000-06-21 Siemens Ag Verfahren und Vorrichtung zur Bilderfassung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8421890B2 (en) 2010-01-15 2013-04-16 Picofield Technologies, Inc. Electronic imager using an impedance sensor grid array and method of making
US8791792B2 (en) 2010-01-15 2014-07-29 Idex Asa Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making
US8866347B2 (en) 2010-01-15 2014-10-21 Idex Asa Biometric image sensing
US9600704B2 (en) 2010-01-15 2017-03-21 Idex Asa Electronic imager using an impedance sensor grid array and method of making

Also Published As

Publication number Publication date
FR2839173A1 (fr) 2003-10-31

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20111130