GB956144A - Improvements in and relating to the electro-mechanical production of half-tone blocks - Google Patents

Improvements in and relating to the electro-mechanical production of half-tone blocks

Info

Publication number
GB956144A
GB956144A GB26806/60A GB2680660A GB956144A GB 956144 A GB956144 A GB 956144A GB 26806/60 A GB26806/60 A GB 26806/60A GB 2680660 A GB2680660 A GB 2680660A GB 956144 A GB956144 A GB 956144A
Authority
GB
United Kingdom
Prior art keywords
sawtooth
relay
derived
signal
scanning
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
GB26806/60A
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.)
WILHELM STAUB GmbH
Original Assignee
WILHELM STAUB GmbH
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 WILHELM STAUB GmbH filed Critical WILHELM STAUB GmbH
Publication of GB956144A publication Critical patent/GB956144A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/12—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means
    • B23Q35/127—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means using non-mechanical sensing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
GB26806/60A 1959-08-17 1960-08-02 Improvements in and relating to the electro-mechanical production of half-tone blocks Expired GB956144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST15475A DE1124818B (de) 1959-08-17 1959-08-17 Verfahren und Anordnung zur elektromechanischen Herstellung von Rasterklischees

Publications (1)

Publication Number Publication Date
GB956144A true GB956144A (en) 1964-04-22

Family

ID=7456712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26806/60A Expired GB956144A (en) 1959-08-17 1960-08-02 Improvements in and relating to the electro-mechanical production of half-tone blocks

Country Status (5)

Country Link
US (1) US3043906A (enExample)
CH (1) CH395739A (enExample)
DE (1) DE1124818B (enExample)
GB (1) GB956144A (enExample)
NL (1) NL254939A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1457309A (fr) * 1965-05-13 1966-01-24 Colos Soc Procédé et dispositif électroniques de reproduction des demi-teintes sur électrostencil
US3646262A (en) * 1968-03-25 1972-02-29 Printing Dev Inc Electronic reproduction of continuous image with controlled modification of image reproduction
US3629496A (en) * 1969-12-30 1971-12-21 Litton Systems Inc Encoding of picture signals in photofacsimile
BE792488A (fr) * 1971-12-08 1973-03-30 Dainippon Printing Co Ltd Cartes d'identification et procede de fabrication de ces cartes
GB1448112A (en) * 1973-02-13 1976-09-02 Int Publishing Corp Ltd Electronic screening
US5299020A (en) * 1991-03-08 1994-03-29 Scitex Corporation Ltd. Method and apparatus for generating a screened reproduction of an image using stored dot portions
DE19912510B4 (de) * 1999-03-19 2004-02-05 Hell Gravure Systems Gmbh Gravierorgan

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2312042A (en) * 1940-08-03 1943-02-23 George E Losier Electric circuit for photoelectric engraving machines
NL94718C (enExample) * 1954-07-01

Also Published As

Publication number Publication date
CH395739A (de) 1965-07-15
US3043906A (en) 1962-07-10
DE1124818B (de) 1962-03-01
NL254939A (enExample)

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