CA1013465A - Modulated laser beam image display method and apparatus - Google Patents

Modulated laser beam image display method and apparatus

Info

Publication number
CA1013465A
CA1013465A CA193,833A CA193833A CA1013465A CA 1013465 A CA1013465 A CA 1013465A CA 193833 A CA193833 A CA 193833A CA 1013465 A CA1013465 A CA 1013465A
Authority
CA
Canada
Prior art keywords
laser beam
image display
display method
modulated laser
beam image
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
CA193,833A
Inventor
Gabriel Maincent
Lucien Salter
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.)
Societe Europeenne de Propulsion SEP SA
Original Assignee
Societe Europeenne de Propulsion SEP 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 Societe Europeenne de Propulsion SEP SA filed Critical Societe Europeenne de Propulsion SEP SA
Application granted granted Critical
Publication of CA1013465A publication Critical patent/CA1013465A/en
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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/4005—Circuits exciting or modulating particular heads for reproducing continuous tone value scales with regulating circuits, e.g. dependent upon ambient temperature or feedback control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H31/00—Other gearings with freewheeling members or other intermittently driving members
    • 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
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/0671—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface with sub-scanning by translational movement of the main-scanning components
    • H04N1/0678—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface with sub-scanning by translational movement of the main-scanning components using a lead-screw or worm
    • 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)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Fax Reproducing Arrangements (AREA)
CA193,833A 1973-03-02 1974-03-01 Modulated laser beam image display method and apparatus Expired CA1013465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7307567A FR2293841A1 (en) 1973-03-02 1973-03-02 IMAGE VIEWING DEVICE

Publications (1)

Publication Number Publication Date
CA1013465A true CA1013465A (en) 1977-07-05

Family

ID=9115715

Family Applications (1)

Application Number Title Priority Date Filing Date
CA193,833A Expired CA1013465A (en) 1973-03-02 1974-03-01 Modulated laser beam image display method and apparatus

Country Status (8)

Country Link
JP (1) JPS574151B2 (en)
BE (1) BE821456A (en)
CA (1) CA1013465A (en)
DE (1) DE2409476C2 (en)
FR (1) FR2293841A1 (en)
GB (1) GB1413281A (en)
IN (1) IN143227B (en)
NL (1) NL7402760A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1515606A (en) * 1975-12-23 1978-06-28 Ibm Electrophotographic apparatus
US4419675A (en) 1979-05-24 1983-12-06 American Hoechst Corporation Imaging system and method for printed circuit artwork and the like
DE3050985C3 (en) * 1979-05-24 1994-10-20 Gerber Scientific Instr Co Imaging device
LU84183A1 (en) * 1982-06-04 1984-03-07 Digitized Information Systems AUTOMATIC SCANNING APPARATUS FOR PHOTOMECHANICAL PROCESSING AND METHOD FOR MONITORING AND REGULATING THE SAME
DE3407981C2 (en) * 1983-03-24 1986-12-18 Dainippon Screen Seizo K.K., Kyoto A method for recording an image on a photosensitive material and an apparatus for carrying out the method
US4617578A (en) * 1984-02-15 1986-10-14 Dainippon Screen Mfg. Co., Ltd. Multi-beam zoom and focusing lens scan pitch-adjusting recorder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141447B1 (en) * 1971-02-25 1976-11-10

Also Published As

Publication number Publication date
NL7402760A (en) 1974-09-04
GB1413281A (en) 1975-11-12
IN143227B (en) 1977-10-22
FR2293841B1 (en) 1978-09-08
DE2409476C2 (en) 1983-11-24
BE821456A (en) 1975-02-17
JPS49120517A (en) 1974-11-18
JPS574151B2 (en) 1982-01-25
FR2293841A1 (en) 1976-07-02
DE2409476A1 (en) 1974-09-12

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