CH338356A - Process for obtaining a halftone cliché having a variable format between certain limits, machine for implementing this method and application of the latter making it possible to obtain an engraved cliché - Google Patents

Process for obtaining a halftone cliché having a variable format between certain limits, machine for implementing this method and application of the latter making it possible to obtain an engraved cliché

Info

Publication number
CH338356A
CH338356A CH338356DA CH338356A CH 338356 A CH338356 A CH 338356A CH 338356D A CH338356D A CH 338356DA CH 338356 A CH338356 A CH 338356A
Authority
CH
Switzerland
Prior art keywords
cliché
halftone
engraved
implementing
obtaining
Prior art date
Application number
Other languages
French (fr)
Inventor
Preston Willcox Frederick
Frisch Welanetz Ludolph
John Autere Reuben
Stephenson Hellen James
Original Assignee
Fairchild Camera Instr Co
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 Fairchild Camera Instr Co filed Critical Fairchild Camera Instr Co
Publication of CH338356A publication Critical patent/CH338356A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • B41C1/02Engraving; Heads therefor
    • B41C1/04Engraving; Heads therefor using heads controlled by an electric information signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393Enlarging or reducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
CH338356D 1954-05-10 1955-04-27 Process for obtaining a halftone cliché having a variable format between certain limits, machine for implementing this method and application of the latter making it possible to obtain an engraved cliché CH338356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US428606A US2875275A (en) 1954-05-10 1954-05-10 Variable ratio photoelectric engraving machine

Publications (1)

Publication Number Publication Date
CH338356A true CH338356A (en) 1959-05-15

Family

ID=23699639

Family Applications (1)

Application Number Title Priority Date Filing Date
CH338356D CH338356A (en) 1954-05-10 1955-04-27 Process for obtaining a halftone cliché having a variable format between certain limits, machine for implementing this method and application of the latter making it possible to obtain an engraved cliché

Country Status (6)

Country Link
US (1) US2875275A (en)
CH (1) CH338356A (en)
DE (1) DE1053312B (en)
FR (1) FR1131945A (en)
GB (1) GB812057A (en)
NL (2) NL197073A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022373A (en) * 1958-05-20 1962-02-20 Fairchild Camera Instr Co Electronic line scan and recording machine with oscillating cylinder
US3011021A (en) * 1959-08-26 1961-11-28 Gen Dynamics Corp Character recording by mirror scanning of cathode ray tube image
CN103657850A (en) * 2013-12-12 2014-03-26 江苏晶工工具有限公司 Magnetic separator of cutting fluid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929988A (en) * 1929-05-03 1933-10-10 Freeman H Owens Dissolver and shifter for optical systems
US2139752A (en) * 1931-09-17 1938-12-13 Iconograph Company Copying apparatus
US2149487A (en) * 1934-05-15 1939-03-07 Myron C Zilberman Half-tone engraving and apparatus for and method of making the same
US2422398A (en) * 1943-11-03 1947-06-17 Jr James J Dilks Recorder and reproducer for spiral photographic disk sound records
US2421637A (en) * 1944-08-30 1947-06-03 Bell & Howell Co Prefocused, quickly adjustable light slit for photoelectric sound heads
DE946329C (en) * 1952-03-20 1956-07-26 Hell Rudolf Dr Ing Fa Process for the production of screened clichés using the methods of image telegraphy

Also Published As

Publication number Publication date
FR1131945A (en) 1957-03-01
GB812057A (en) 1959-04-15
DE1053312B (en) 1959-03-19
NL197073A (en)
US2875275A (en) 1959-02-24
NL109796C (en)

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