FR2463433A1 - Dispositif de reproduction d'une image a densite variable de teinte - Google Patents

Dispositif de reproduction d'une image a densite variable de teinte Download PDF

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Publication number
FR2463433A1
FR2463433A1 FR7920658A FR7920658A FR2463433A1 FR 2463433 A1 FR2463433 A1 FR 2463433A1 FR 7920658 A FR7920658 A FR 7920658A FR 7920658 A FR7920658 A FR 7920658A FR 2463433 A1 FR2463433 A1 FR 2463433A1
Authority
FR
France
Prior art keywords
image
diaphragms
points
elementary
rows
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.)
Granted
Application number
FR7920658A
Other languages
English (en)
French (fr)
Other versions
FR2463433B1 (2
Inventor
Bernard Martinage
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.)
Nokia Inc
Original Assignee
Nokia 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 Nokia Inc filed Critical Nokia Inc
Priority to FR7920658A priority Critical patent/FR2463433A1/fr
Priority to BE1/9902A priority patent/BE884423A/fr
Priority to US06/175,221 priority patent/US4314261A/en
Priority to NL8004463A priority patent/NL8004463A/nl
Priority to GB8025593A priority patent/GB2056217B/en
Priority to DE3029881A priority patent/DE3029881C2/de
Priority to LU82705A priority patent/LU82705A1/fr
Priority to IT68289/80A priority patent/IT1129127B/it
Priority to CA358,164A priority patent/CA1134190A/fr
Priority to IE1712/80A priority patent/IE50043B1/en
Publication of FR2463433A1 publication Critical patent/FR2463433A1/fr
Application granted granted Critical
Publication of FR2463433B1 publication Critical patent/FR2463433B1/fr
Granted 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
    • H04N1/032—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
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Laser Beam Printer (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Fax Reproducing Arrangements (AREA)
FR7920658A 1979-08-14 1979-08-14 Dispositif de reproduction d'une image a densite variable de teinte Granted FR2463433A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7920658A FR2463433A1 (fr) 1979-08-14 1979-08-14 Dispositif de reproduction d'une image a densite variable de teinte
BE1/9902A BE884423A (fr) 1979-08-14 1980-07-23 Dispositif de reproduction d'une image a densite variable de teinte
US06/175,221 US4314261A (en) 1979-08-14 1980-08-04 Apparatus for reproducing an image of variable tone density
NL8004463A NL8004463A (nl) 1979-08-14 1980-08-05 Inrichting voor het reproduceren van een beeld met wisselende toondichtheid.
GB8025593A GB2056217B (en) 1979-08-14 1980-08-06 Apparatus for reproducing an image of variable tone density
DE3029881A DE3029881C2 (de) 1979-08-14 1980-08-07 Vorrichtung zur Wiedergabe eines in Datenform vorliegenden Bildes
LU82705A LU82705A1 (fr) 1979-08-14 1980-08-12 Dispositif de reproduction d'une image a densite variable de teinte
IT68289/80A IT1129127B (it) 1979-08-14 1980-08-13 Dispositivo per la riproduzione di immagini a densita di tinta variabile su un sopporto fotosensibile a partire da un fascio luminoso
CA358,164A CA1134190A (fr) 1979-08-14 1980-08-13 Dispositif de reproduction d'une image a densite variable de teinte
IE1712/80A IE50043B1 (en) 1979-08-14 1980-08-13 Apparatus for reproducing an image of variable tone density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7920658A FR2463433A1 (fr) 1979-08-14 1979-08-14 Dispositif de reproduction d'une image a densite variable de teinte

Publications (2)

Publication Number Publication Date
FR2463433A1 true FR2463433A1 (fr) 1981-02-20
FR2463433B1 FR2463433B1 (2) 1982-05-21

Family

ID=9228839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7920658A Granted FR2463433A1 (fr) 1979-08-14 1979-08-14 Dispositif de reproduction d'une image a densite variable de teinte

Country Status (10)

Country Link
US (1) US4314261A (2)
BE (1) BE884423A (2)
CA (1) CA1134190A (2)
DE (1) DE3029881C2 (2)
FR (1) FR2463433A1 (2)
GB (1) GB2056217B (2)
IE (1) IE50043B1 (2)
IT (1) IT1129127B (2)
LU (1) LU82705A1 (2)
NL (1) NL8004463A (2)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394662A (en) * 1980-07-31 1983-07-19 Matsushita Research Institute Tokyo, Inc. Dot printer for reproduction of halftone images
GB2100089B (en) * 1981-05-28 1985-11-27 Eltra Corp Facsimile system with reduction of line spacing error
US4506303A (en) * 1982-09-24 1985-03-19 Itek Corporation Optical data recorder system
DE3236140A1 (de) * 1982-09-29 1984-03-29 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Abtasteinrichtung mit veraenderbarer abtastdichte
US4698648A (en) * 1984-03-22 1987-10-06 Canon Kabushiki Kaisha Image recording method and apparatus such as a light beam multiformat camera
US4918466A (en) * 1984-03-22 1990-04-17 Canon Kabushiki Kaisha Light beam image recording apparatus having commonly driven member
US4686542A (en) * 1986-04-03 1987-08-11 Xerox Corporation High speed, high resolution raster output scanner
GB8613223D0 (en) * 1986-05-30 1986-07-02 Crosfield Electronics Ltd Half-tone reproduction
US5198843A (en) * 1988-06-30 1993-03-30 Kabushiki Kaisha Toshiba Optical marking system having marking mode selecting function
JPH06337366A (ja) * 1993-05-21 1994-12-06 Xerox Corp 電子写真プリンターにおけるラスター出力スキャナのための露光装置
US5510824A (en) * 1993-07-26 1996-04-23 Texas Instruments, Inc. Spatial light modulator array
JPH08238797A (ja) * 1995-03-03 1996-09-17 Fujitsu Ltd 画像形成装置
US6163332A (en) * 1997-09-29 2000-12-19 Eastman Kodak Company Printer and method of forming multiple image pixel sizes on photosensitive media
JP2006187895A (ja) * 2005-01-04 2006-07-20 Seiko Epson Corp 露光装置及び画像形成装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967894A (en) * 1974-09-18 1976-07-06 Xerox Corporation Screened optical system
DE2627247A1 (de) * 1975-06-18 1976-12-23 Dainippon Screen Mfg Verfahren und vorrichtung zur reproduktion von halbtonbildern durch abtastung
US4014030A (en) * 1976-02-23 1977-03-22 Xerox Corporation Half-tone imaging with flying spot scanner system
FR2385274A1 (fr) * 1977-03-23 1978-10-20 Cit Alcatel Dispositif de balayage de document
FR2385681A1 (fr) * 1977-03-28 1978-10-27 Colgate Palmolive Co Monofluorophosphate d'amine a longue chaine, son procede de preparation et composition dentifrice le contenant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688026A (en) * 1970-10-29 1972-08-29 Le Elektrotekhnichesky I Svyaz Method and system for the dot-pattern recording of half-tone images
GB1523032A (en) * 1976-03-03 1978-08-31 Crosfield Electronics Ltd Image reproducing apparatus
DE2631849A1 (de) 1976-07-15 1978-01-19 Agfa Gevaert Ag Aufzeichnungsvorrichtung
GB1578047A (en) * 1976-11-22 1980-10-29 Hell Rudolf Gmbh Arrangement for the reproduction of screened continuous-toe pictures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967894A (en) * 1974-09-18 1976-07-06 Xerox Corporation Screened optical system
DE2627247A1 (de) * 1975-06-18 1976-12-23 Dainippon Screen Mfg Verfahren und vorrichtung zur reproduktion von halbtonbildern durch abtastung
US4014030A (en) * 1976-02-23 1977-03-22 Xerox Corporation Half-tone imaging with flying spot scanner system
FR2385274A1 (fr) * 1977-03-23 1978-10-20 Cit Alcatel Dispositif de balayage de document
FR2385681A1 (fr) * 1977-03-28 1978-10-27 Colgate Palmolive Co Monofluorophosphate d'amine a longue chaine, son procede de preparation et composition dentifrice le contenant

Also Published As

Publication number Publication date
DE3029881C2 (de) 1982-09-16
GB2056217A (en) 1981-03-11
NL8004463A (nl) 1981-02-17
DE3029881A1 (de) 1981-02-26
FR2463433B1 (2) 1982-05-21
GB2056217B (en) 1983-07-20
US4314261A (en) 1982-02-02
CA1134190A (fr) 1982-10-26
LU82705A1 (fr) 1981-03-24
BE884423A (fr) 1981-01-23
IT1129127B (it) 1986-06-04
IT8068289A0 (it) 1980-08-13
IE801712L (en) 1981-02-14
IE50043B1 (en) 1986-02-05

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