FR1516547A - Système de photocopie électronique - Google Patents

Système de photocopie électronique

Info

Publication number
FR1516547A
FR1516547A FR99584A FR99584A FR1516547A FR 1516547 A FR1516547 A FR 1516547A FR 99584 A FR99584 A FR 99584A FR 99584 A FR99584 A FR 99584A FR 1516547 A FR1516547 A FR 1516547A
Authority
FR
France
Prior art keywords
photocopying system
electronic photocopying
electronic
photocopying
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
FR99584A
Other languages
English (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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Priority to FR99584A priority Critical patent/FR1516547A/fr
Application granted granted Critical
Publication of FR1516547A publication Critical patent/FR1516547A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B19/00—Photoelectronic composing machines
    • B41B19/01—Photoelectronic composing machines having electron-beam tubes producing an image of at least one character which is photographed
    • 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4058—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern with details for producing a halftone screen at an oblique angle

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR99584A 1966-03-21 1967-03-21 Système de photocopie électronique Expired FR1516547A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR99584A FR1516547A (fr) 1966-03-21 1967-03-21 Système de photocopie électronique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53588466A 1966-03-21 1966-03-21
US53588366A 1966-03-21 1966-03-21
FR99584A FR1516547A (fr) 1966-03-21 1967-03-21 Système de photocopie électronique

Publications (1)

Publication Number Publication Date
FR1516547A true FR1516547A (fr) 1968-03-08

Family

ID=27243885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR99584A Expired FR1516547A (fr) 1966-03-21 1967-03-21 Système de photocopie électronique

Country Status (1)

Country Link
FR (1) FR1516547A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027967A1 (fr) * 1979-10-24 1981-05-06 Siemens Aktiengesellschaft Procédé de représentation d'images en demi-teinte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027967A1 (fr) * 1979-10-24 1981-05-06 Siemens Aktiengesellschaft Procédé de représentation d'images en demi-teinte

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