GB8814486D0 - Optical device for use in imaging apparatus - Google Patents

Optical device for use in imaging apparatus

Info

Publication number
GB8814486D0
GB8814486D0 GB888814486A GB8814486A GB8814486D0 GB 8814486 D0 GB8814486 D0 GB 8814486D0 GB 888814486 A GB888814486 A GB 888814486A GB 8814486 A GB8814486 A GB 8814486A GB 8814486 D0 GB8814486 D0 GB 8814486D0
Authority
GB
United Kingdom
Prior art keywords
optical device
imaging apparatus
imaging
optical
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.)
Withdrawn
Application number
GB888814486A
Other versions
GB2219870A (en
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.)
De la Rue Systems Ltd
Original Assignee
De la Rue Systems 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 De la Rue Systems Ltd filed Critical De la Rue Systems Ltd
Priority to GB8814486A priority Critical patent/GB2219870A/en
Publication of GB8814486D0 publication Critical patent/GB8814486D0/en
Priority to FR8907976A priority patent/FR2633063A1/en
Publication of GB2219870A publication Critical patent/GB2219870A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • 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
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Image Input (AREA)
GB8814486A 1988-06-17 1988-06-17 Optical reflector for use in imaging a fingerprint Withdrawn GB2219870A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8814486A GB2219870A (en) 1988-06-17 1988-06-17 Optical reflector for use in imaging a fingerprint
FR8907976A FR2633063A1 (en) 1988-06-17 1989-06-15 OPTICAL DEVICE FOR USE IN AN APPARATUS FOR VIEWING THE SURFACE OF AN OBJECT, IN PARTICULAR FOR VIEWING FINGERPRINTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8814486A GB2219870A (en) 1988-06-17 1988-06-17 Optical reflector for use in imaging a fingerprint

Publications (2)

Publication Number Publication Date
GB8814486D0 true GB8814486D0 (en) 1988-07-20
GB2219870A GB2219870A (en) 1989-12-20

Family

ID=10638910

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8814486A Withdrawn GB2219870A (en) 1988-06-17 1988-06-17 Optical reflector for use in imaging a fingerprint

Country Status (2)

Country Link
FR (1) FR2633063A1 (en)
GB (1) GB2219870A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907627A (en) * 1995-11-06 1999-05-25 Dew Engineering And Development Limited Contact imaging device
US5841888A (en) * 1996-01-23 1998-11-24 Harris Corporation Method for fingerprint indexing and searching
US5956415A (en) * 1996-01-26 1999-09-21 Harris Corporation Enhanced security fingerprint sensor package and related methods
US5828773A (en) * 1996-01-26 1998-10-27 Harris Corporation Fingerprint sensing method with finger position indication
US5963679A (en) * 1996-01-26 1999-10-05 Harris Corporation Electric field fingerprint sensor apparatus and related methods
US7515252B2 (en) * 2005-12-30 2009-04-07 Cardinal Health 303, Inc. Optical fingerprint imaging system and method with protective film

Also Published As

Publication number Publication date
FR2633063A1 (en) 1989-12-22
GB2219870A (en) 1989-12-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)