US3760098A - Method and apparatus for the seamless engraving of half-tone printing plates - Google Patents

Method and apparatus for the seamless engraving of half-tone printing plates Download PDF

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Publication number
US3760098A
US3760098A US00201025A US3760098DA US3760098A US 3760098 A US3760098 A US 3760098A US 00201025 A US00201025 A US 00201025A US 3760098D A US3760098D A US 3760098DA US 3760098 A US3760098 A US 3760098A
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US
United States
Prior art keywords
engraving
image
point
seam
signals
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 - Lifetime
Application number
US00201025A
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English (en)
Inventor
De Vos F Allard
Steege J Terter
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.)
Werkspoor Amsterdam NV
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Werkspoor Amsterdam NV
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 Werkspoor Amsterdam NV filed Critical Werkspoor Amsterdam NV
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Publication of US3760098A publication Critical patent/US3760098A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H04N1/38—Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
US00201025A 1969-04-17 1971-11-22 Method and apparatus for the seamless engraving of half-tone printing plates Expired - Lifetime US3760098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6905923A NL6905923A (enrdf_load_html_response) 1969-04-17 1969-04-17

Publications (1)

Publication Number Publication Date
US3760098A true US3760098A (en) 1973-09-18

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ID=19806720

Family Applications (1)

Application Number Title Priority Date Filing Date
US00201025A Expired - Lifetime US3760098A (en) 1969-04-17 1971-11-22 Method and apparatus for the seamless engraving of half-tone printing plates

Country Status (4)

Country Link
US (1) US3760098A (enrdf_load_html_response)
CH (1) CH500840A (enrdf_load_html_response)
GB (1) GB1297980A (enrdf_load_html_response)
NL (2) NL6905923A (enrdf_load_html_response)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860749A (en) * 1972-03-24 1975-01-14 Zimmer Peter Method and device for the production of printing stencils
US3944726A (en) * 1973-02-19 1976-03-16 Mitsubishi Denki Kabushiki Kaisha Apparatus for making printing masters
DE2513042A1 (de) * 1975-03-25 1976-09-30 Hell Rudolf Dr Ing Gmbh Verfahren und anordnung zum ortsgenauen einstellen des beginns und endes der reproduktion bei einer gravieranlage
DE2726329A1 (de) * 1976-06-11 1977-12-22 Zed Instr Ltd Kopierverfahren
US4500929A (en) * 1979-07-11 1985-02-19 Buechler Lester W Method of engraving an invisible joint within a gravure printing cylinder
EP0754386A4 (en) * 1994-04-06 1998-09-02 Ohio Electronic Engravers Inc METHOD AND DEVICE FOR SELECTIVE LINEARIZATION OF CELLS IN AN ENGRAVING MACHINE
US20080074703A1 (en) * 2005-04-29 2008-03-27 Bruce Knox Engraving cylinder having an end assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19820630A1 (de) 1998-05-08 1999-11-11 Heidelberger Druckmasch Ag Vorrichtung zur Positionserfassung von rotierenden Objekten

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996576A (en) * 1959-02-20 1961-08-15 Ampex Video system with transient and dropout compensation
US3272918A (en) * 1963-12-27 1966-09-13 Rudolf Hell Kommanditgesellsch Method of and apparatus for recording picture signals, obtained by scanning picture originals to be reproduced, with steadily variable reproduction scale

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996576A (en) * 1959-02-20 1961-08-15 Ampex Video system with transient and dropout compensation
US3272918A (en) * 1963-12-27 1966-09-13 Rudolf Hell Kommanditgesellsch Method of and apparatus for recording picture signals, obtained by scanning picture originals to be reproduced, with steadily variable reproduction scale

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860749A (en) * 1972-03-24 1975-01-14 Zimmer Peter Method and device for the production of printing stencils
US3944726A (en) * 1973-02-19 1976-03-16 Mitsubishi Denki Kabushiki Kaisha Apparatus for making printing masters
DE2513042A1 (de) * 1975-03-25 1976-09-30 Hell Rudolf Dr Ing Gmbh Verfahren und anordnung zum ortsgenauen einstellen des beginns und endes der reproduktion bei einer gravieranlage
DE2726329A1 (de) * 1976-06-11 1977-12-22 Zed Instr Ltd Kopierverfahren
US4232345A (en) * 1976-06-11 1980-11-04 Zed Instruments Limited Apparatus for producing a seamless copy from an unjointed original
US4323928A (en) * 1976-06-11 1982-04-06 Zed Instruments Limited Copying process for producing a seamless copy from an unjointed original
US4500929A (en) * 1979-07-11 1985-02-19 Buechler Lester W Method of engraving an invisible joint within a gravure printing cylinder
EP0754386A4 (en) * 1994-04-06 1998-09-02 Ohio Electronic Engravers Inc METHOD AND DEVICE FOR SELECTIVE LINEARIZATION OF CELLS IN AN ENGRAVING MACHINE
US20080074703A1 (en) * 2005-04-29 2008-03-27 Bruce Knox Engraving cylinder having an end assembly

Also Published As

Publication number Publication date
NL6905923A (enrdf_load_html_response) 1970-10-20
CH500840A (de) 1970-12-31
NL137759C (enrdf_load_html_response)
GB1297980A (enrdf_load_html_response) 1972-11-29
DE2018003B2 (de) 1976-04-22
DE2018003A1 (de) 1970-10-22

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