DE69409681D1 - System zum Beleuchten und Abtasten von Dokumenten - Google Patents

System zum Beleuchten und Abtasten von Dokumenten

Info

Publication number
DE69409681D1
DE69409681D1 DE69409681T DE69409681T DE69409681D1 DE 69409681 D1 DE69409681 D1 DE 69409681D1 DE 69409681 T DE69409681 T DE 69409681T DE 69409681 T DE69409681 T DE 69409681T DE 69409681 D1 DE69409681 D1 DE 69409681D1
Authority
DE
Germany
Prior art keywords
illuminating
scanning documents
documents
scanning
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
DE69409681T
Other languages
English (en)
Inventor
Derry Metais
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Application granted granted Critical
Publication of DE69409681D1 publication Critical patent/DE69409681D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0003—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being doped with fluorescent agents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0288—Means for illuminating the original, not specific to a particular type of pick-up head using a two-dimensional light source, e.g. two-dimensional LED array

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • General Engineering & Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
DE69409681T 1993-01-28 1994-01-25 System zum Beleuchten und Abtasten von Dokumenten Expired - Lifetime DE69409681D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9300859A FR2700829B1 (fr) 1993-01-28 1993-01-28 Système d'analyse sous éclairage d'un document.

Publications (1)

Publication Number Publication Date
DE69409681D1 true DE69409681D1 (de) 1998-05-28

Family

ID=9443441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409681T Expired - Lifetime DE69409681D1 (de) 1993-01-28 1994-01-25 System zum Beleuchten und Abtasten von Dokumenten

Country Status (3)

Country Link
EP (1) EP0609133B1 (de)
DE (1) DE69409681D1 (de)
FR (1) FR2700829B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442228C1 (de) * 1994-11-26 1996-04-25 Helmut Frank Ottomar P Mueller Tageslicht-Beleuchtungsvorrichtung bestehend aus mindestens einer lichtleitenden Platte
FR2776251B1 (fr) * 1998-02-17 2000-05-05 Renault Feu de signalisation pour vehicule automobile
US6784603B2 (en) * 2001-07-20 2004-08-31 Teledyne Lighting And Display Products, Inc. Fluorescent lighting apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768801A (en) * 1980-10-17 1982-04-27 Fuji Photo Optical Co Ltd Linear lighting equipment
FR2570164B1 (fr) * 1984-09-07 1988-07-29 Cib Location Dispositif d'eclairage a concentration solaire
IL93368A (en) * 1990-02-13 1997-01-10 Scitex Corp Ltd Color separation scanner
US5128846A (en) * 1990-10-23 1992-07-07 International Business Machines Corporation Light source

Also Published As

Publication number Publication date
FR2700829A1 (fr) 1994-07-29
FR2700829B1 (fr) 1995-04-07
EP0609133B1 (de) 1998-04-22
EP0609133A1 (de) 1994-08-03

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Legal Events

Date Code Title Description
8332 No legal effect for de