GB726846A - Improvements in or relating to the photo-mechanical production of half-tone printingplates - Google Patents

Improvements in or relating to the photo-mechanical production of half-tone printingplates

Info

Publication number
GB726846A
GB726846A GB7609/53A GB760953A GB726846A GB 726846 A GB726846 A GB 726846A GB 7609/53 A GB7609/53 A GB 7609/53A GB 760953 A GB760953 A GB 760953A GB 726846 A GB726846 A GB 726846A
Authority
GB
United Kingdom
Prior art keywords
picture
pulses
original
photo
plate
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
GB7609/53A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB726846A publication Critical patent/GB726846A/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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M9/00—Processes wherein make-ready devices are used
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Projection-Type Copiers In General (AREA)
GB7609/53A 1952-03-20 1953-03-19 Improvements in or relating to the photo-mechanical production of half-tone printingplates Expired GB726846A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DEH11888A DE946329C (de) 1952-03-20 1952-03-20 Verfahren zum Herstellen gerasterter Klischees unter Verwendung der Methoden der Bildtelegraphie
DEH12481A DE940624C (de) 1952-03-20 1952-05-09 Vorrichtung zur Herstellung gerasterter Druckformen durch lichtelektrische UEbertragung von Bildern
DEH12496A DE924306C (de) 1952-03-20 1952-05-13 Verfahren zur Herstellung von Druckformen mit waehlbarem Reproduktionsmassstab durch lichtelektrische UEbertragung in Bildvorlagen
DEH12721A DE938351C (de) 1952-03-20 1952-05-30 Verfahren zur Herstellung gerasterter Druckformen durch lichtelektrische UEbertragung von Bildvorlagen
DEH14667A DE927813C (de) 1952-03-20 1952-12-05 Verfahren zum Zurichten gerasterter Klischees
DEH14878A DE941833C (de) 1952-03-20 1952-12-27 Vorrichtung zur Herstellung von Druckformen
DEH15920A DE927666C (de) 1952-03-20 1953-03-30 Verfahren zur elektromechanischen Herstellung von Druckformen mit waehlbarem Reproduktionsmassstab

Publications (1)

Publication Number Publication Date
GB726846A true GB726846A (en) 1955-03-23

Family

ID=27561655

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7609/53A Expired GB726846A (en) 1952-03-20 1953-03-19 Improvements in or relating to the photo-mechanical production of half-tone printingplates
GB12888/53A Expired GB733037A (en) 1952-03-20 1953-05-08 Apparatus for the production of printing plates

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB12888/53A Expired GB733037A (en) 1952-03-20 1953-05-08 Apparatus for the production of printing plates

Country Status (5)

Country Link
US (2) US2925463A (de)
CH (1) CH322661A (de)
DE (7) DE946329C (de)
FR (2) FR1076207A (de)
GB (2) GB726846A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL109796C (de) * 1954-05-10
DE960608C (de) * 1955-04-15 1957-03-21 Hell Rudolf Dr Ing Fa Vorrichtung zur elektromechanischen Herstellung von Druckformen mit veraenderlichem Reproduktionsmassstab
NL109559C (de) * 1955-07-05
US3075042A (en) * 1959-12-23 1963-01-22 Fairchild Camera Instr Co Cold cutting technique for half-tone electronic engraving
US3075895A (en) * 1960-02-15 1963-01-29 Gen Dev Corp Method of preparing plates for electromechanical engraving
US3103168A (en) * 1962-03-19 1963-09-10 Braco Engraving Co Printing plates
FR1352215A (fr) * 1962-12-28 1964-02-14 Procédé de fabrication de clichés, installation pour la mise en oeuvre de ce procédé, et clichés obtenus
US3404254A (en) * 1965-02-26 1968-10-01 Minnesota Mining & Mfg Method and apparatus for engraving a generally cross-sectionally circular shaped body by a corpuscular beam
DE1901101A1 (de) * 1969-01-10 1970-10-29 Hell Rudolf Dr Ing Fa Verfahren zur punkt- und zeilenweisen gerasterten Aufzeichnung der durch Abtastung von Halbtonbildern gewonnenen Bildsignale mit gegen die Aufzeichnungsrichtung gedrehtem Raster
US4084183A (en) * 1970-03-18 1978-04-11 Dr. Ing. Rudolf Hell Gmbh. Method for the electro-optical reproduction of half-tone pictures
US3770888A (en) * 1971-10-04 1973-11-06 Werkspoor Amsterdam Nv Method and apparatus for controlling the engraving pattern of an electromagnetic gravure engraving
JPS51123511A (en) * 1975-04-22 1976-10-28 Oki Electric Ind Co Ltd Degree recording method
GB8808095D0 (en) * 1988-04-07 1988-05-11 Hillen S Improvements in/relating to method of & apparatus for producing an enlargement of visual representation
CN113028221B (zh) * 2021-03-06 2022-06-24 哈尔滨工业大学 一种知识产权数据批量采集设备
CN113635192B (zh) * 2021-08-17 2022-08-19 三明学院 一种玻璃钢化处理设备及工艺

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1849544A (en) * 1930-01-31 1932-03-15 Howey Walter Process of and apparatus for producing printing plates
US1918124A (en) * 1930-08-25 1933-07-11 Communications Patents Inc Arc scanning facsimile system
US2005130A (en) * 1931-07-28 1935-06-18 Dalton John Willey Electrical circuit and apparatus
US2063614A (en) * 1931-12-14 1936-12-08 Mackinner Corp Method and apparatus for making printing plates
US2092765A (en) * 1932-12-19 1937-09-14 William A Hughes Electric machine
US2079970A (en) * 1933-01-16 1937-05-11 William C Speed Process and apparatus for photoelectric engraving
US2076220A (en) * 1934-02-03 1937-04-06 Joseph A Bennett Method of and means for producing printing plates
US2149487A (en) * 1934-05-15 1939-03-07 Myron C Zilberman Half-tone engraving and apparatus for and method of making the same
US2294645A (en) * 1940-07-05 1942-09-01 Interchem Corp Printing plate
US2312042A (en) * 1940-08-03 1943-02-23 George E Losier Electric circuit for photoelectric engraving machines
US2355047A (en) * 1942-02-24 1944-08-08 Lynch Corp Nonlinear modulating system
US2544225A (en) * 1946-04-13 1951-03-06 David H Hearle Pantograph engraving machine
US2638500A (en) * 1951-06-28 1953-05-12 Clare E Ernst Process and apparatus for photoelectric engraving

Also Published As

Publication number Publication date
FR1076207A (fr) 1954-10-25
US2925463A (en) 1960-02-16
GB733037A (en) 1955-07-06
US2863000A (en) 1958-12-02
CH322661A (de) 1957-06-30
DE941833C (de) 1956-04-19
DE924306C (de) 1955-03-07
DE938351C (de) 1956-03-01
FR1090404A (fr) 1955-03-30
DE927813C (de) 1955-05-16
DE927666C (de) 1955-05-12
DE946329C (de) 1956-07-26
DE940624C (de) 1956-03-22

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