DE60322349D1 - Systeme und verfahren zur beleuchtung einer platte in einem fingerabdruckscanner - Google Patents

Systeme und verfahren zur beleuchtung einer platte in einem fingerabdruckscanner

Info

Publication number
DE60322349D1
DE60322349D1 DE60322349T DE60322349T DE60322349D1 DE 60322349 D1 DE60322349 D1 DE 60322349D1 DE 60322349 T DE60322349 T DE 60322349T DE 60322349 T DE60322349 T DE 60322349T DE 60322349 D1 DE60322349 D1 DE 60322349D1
Authority
DE
Germany
Prior art keywords
illumination
light
platen
illumination system
sources
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 - Lifetime
Application number
DE60322349T
Other languages
English (en)
Inventor
Joseph F Arnold
John F Carver
Trent G Francis
Richard D Irving
George W Mcclurg
Walter G Scott
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.)
Cross Match Technologies Inc
Original Assignee
Cross Match Technologies 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 Cross Match Technologies Inc filed Critical Cross Match Technologies Inc
Application granted granted Critical
Publication of DE60322349D1 publication Critical patent/DE60322349D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/13Sensors therefor
    • G06V40/1324Sensors therefor by using geometrical optics, e.g. using prisms
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/10Image acquisition
    • G06V10/12Details of acquisition arrangements; Constructional details thereof
    • G06V10/14Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/145Illumination specially adapted for pattern recognition, e.g. using gratings
DE60322349T 2002-01-17 2003-01-16 Systeme und verfahren zur beleuchtung einer platte in einem fingerabdruckscanner Expired - Lifetime DE60322349D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/050,046 US6954260B2 (en) 2002-01-17 2002-01-17 Systems and methods for illuminating a platen in a print scanner
PCT/US2003/001167 WO2003063068A1 (en) 2002-01-17 2003-01-16 Systems and methods for illuminating a platen in a print scanner

Publications (1)

Publication Number Publication Date
DE60322349D1 true DE60322349D1 (de) 2008-09-04

Family

ID=21963096

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60322349T Expired - Lifetime DE60322349D1 (de) 2002-01-17 2003-01-16 Systeme und verfahren zur beleuchtung einer platte in einem fingerabdruckscanner

Country Status (7)

Country Link
US (2) US6954260B2 (de)
EP (1) EP1474773B1 (de)
JP (1) JP2005527014A (de)
CN (1) CN1633672A (de)
AT (1) ATE402452T1 (de)
DE (1) DE60322349D1 (de)
WO (1) WO2003063068A1 (de)

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US7271881B2 (en) 2007-09-18
EP1474773A1 (de) 2004-11-10
US20060170906A1 (en) 2006-08-03
CN1633672A (zh) 2005-06-29
WO2003063068A1 (en) 2003-07-31
US20030133103A1 (en) 2003-07-17
EP1474773A4 (de) 2006-08-30
EP1474773B1 (de) 2008-07-23
US6954260B2 (en) 2005-10-11
ATE402452T1 (de) 2008-08-15
JP2005527014A (ja) 2005-09-08

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