CA1137539A - Imprimante electrophotographique a sources lumineuses multiples et variables en intensite - Google Patents

Imprimante electrophotographique a sources lumineuses multiples et variables en intensite

Info

Publication number
CA1137539A
CA1137539A CA000344024A CA344024A CA1137539A CA 1137539 A CA1137539 A CA 1137539A CA 000344024 A CA000344024 A CA 000344024A CA 344024 A CA344024 A CA 344024A CA 1137539 A CA1137539 A CA 1137539A
Authority
CA
Canada
Prior art keywords
light
information
relative movement
diodes
light 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
Application number
CA000344024A
Other languages
English (en)
Inventor
Louis F. Schaefer
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.)
Savin Corp
Original Assignee
Savin Corp
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 Savin Corp filed Critical Savin Corp
Application granted granted Critical
Publication of CA1137539A publication Critical patent/CA1137539A/fr
Expired 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
    • H04N1/23—Reproducing arrangements
    • H04N1/29—Reproducing arrangements involving production of an electrostatic intermediate picture
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
    • 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
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Projection-Type Copiers In General (AREA)
  • Fax Reproducing Arrangements (AREA)
CA000344024A 1979-02-23 1980-01-18 Imprimante electrophotographique a sources lumineuses multiples et variables en intensite Expired CA1137539A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1447179A 1979-02-23 1979-02-23
US014,471 1979-02-23

Publications (1)

Publication Number Publication Date
CA1137539A true CA1137539A (fr) 1982-12-14

Family

ID=21765708

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000344024A Expired CA1137539A (fr) 1979-02-23 1980-01-18 Imprimante electrophotographique a sources lumineuses multiples et variables en intensite

Country Status (5)

Country Link
JP (1) JPS55120067A (fr)
CA (1) CA1137539A (fr)
DE (1) DE3006725A1 (fr)
FR (1) FR2453436A1 (fr)
GB (1) GB2042746A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455562A (en) * 1981-08-14 1984-06-19 Pitney Bowes Inc. Control of a light emitting diode array
EP0026452A3 (fr) * 1979-09-26 1981-07-22 Siemens Aktiengesellschaft Dispositif de production de dessins de charge sur un support d'image photoconducteur
US4344691A (en) * 1980-06-23 1982-08-17 International Business Machines Corporation Zonal concentrator for accurate erasure of photoconductor charge
EP0051886A1 (fr) * 1980-11-10 1982-05-19 Agfa-Gevaert N.V. Dispositif d'enregistrement
US4527886A (en) * 1981-05-12 1985-07-09 Kyoto Ceramic Co., Ltd. Electrophotographic recording apparatus having both functions of copying and printing
JPS58500817A (ja) * 1981-05-26 1983-05-19 パ−デイ，ハイドン・ビクタ− 発光ダイオ−ドアレイ装置および影像転写装置
FR2513509A1 (fr) * 1981-09-25 1983-04-01 Coucy Rene Procede et dispositif pour la realisation d'images tomographiques
GB2120040A (en) * 1982-04-29 1983-11-23 Itt Creed Facsimile recorder
JPS6370874A (ja) 1986-09-12 1988-03-31 Sharp Corp 正転・反転画像形成装置
US4857958A (en) * 1987-03-25 1989-08-15 Kabushiki Kaisha Toshiba Electronic copying apparatus having function of partially changing image reproduced from original image
JPH03132636A (ja) * 1989-10-18 1991-06-06 Brother Ind Ltd 画像形成装置
US4975729A (en) * 1990-01-22 1990-12-04 Photon Imaging Corp. Electronic printer using a fiber optic bundle and a linear, one-dimensional light source
GB9926394D0 (en) 1999-11-09 2000-01-12 Univ Warwick Digital photographic reproduction apparatus
GB201209142D0 (en) * 2012-05-24 2012-07-04 Lumejet Holdings Ltd Media exposure device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952311A (en) * 1972-04-24 1976-04-20 The Laitram Corporation Electro-optical printing system
US4000495A (en) * 1974-11-25 1976-12-28 Pirtle William W System for recording information on a photosensitive material

Also Published As

Publication number Publication date
DE3006725A1 (de) 1980-09-04
GB2042746A (en) 1980-09-24
FR2453436A1 (fr) 1980-10-31
JPS55120067A (en) 1980-09-16

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Legal Events

Date Code Title Description
MKEX Expiry