FR2403190A1 - Procede pour realiser des matrices d'impression, tramees - Google Patents

Procede pour realiser des matrices d'impression, tramees

Info

Publication number
FR2403190A1
FR2403190A1 FR7824938A FR7824938A FR2403190A1 FR 2403190 A1 FR2403190 A1 FR 2403190A1 FR 7824938 A FR7824938 A FR 7824938A FR 7824938 A FR7824938 A FR 7824938A FR 2403190 A1 FR2403190 A1 FR 2403190A1
Authority
FR
France
Prior art keywords
printing
frames
making printing
printing dies
resolution
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.)
Granted
Application number
FR7824938A
Other languages
English (en)
Other versions
FR2403190B1 (fr
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.)
HELL RUDOLF GmbH
Original Assignee
HELL RUDOLF 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 HELL RUDOLF GmbH filed Critical HELL RUDOLF GmbH
Publication of FR2403190A1 publication Critical patent/FR2403190A1/fr
Application granted granted Critical
Publication of FR2403190B1 publication Critical patent/FR2403190B1/fr
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Processing (AREA)

Abstract

a. Procédé pour réaliser une matrice d'impression, tramée, procédé selon lequel la gravure est constituée par une suite de cuvettes réparties suivant une trame d'impression; b. Procédé caractérisé en ce qu'on détecte le modèle avec une résolution plus élevée dans la direction de la détection que la résolution de la trame d'impression pour améliorer la reproduction des contours. c. L'invention concerne les réalisations automatiques de matrices d'impression à partir d'un modèle à reproduire.
FR7824938A 1977-09-17 1978-08-29 Procede pour realiser des matrices d'impression, tramees Granted FR2403190A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2741953A DE2741953C3 (de) 1977-09-17 1977-09-17 Graviervorrichtung zum Herstellen von Druckformen

Publications (2)

Publication Number Publication Date
FR2403190A1 true FR2403190A1 (fr) 1979-04-13
FR2403190B1 FR2403190B1 (fr) 1983-08-26

Family

ID=6019230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7824938A Granted FR2403190A1 (fr) 1977-09-17 1978-08-29 Procede pour realiser des matrices d'impression, tramees

Country Status (8)

Country Link
US (1) US4245260A (fr)
JP (1) JPS5454701A (fr)
CA (1) CA1099148A (fr)
DE (1) DE2741953C3 (fr)
FR (1) FR2403190A1 (fr)
GB (1) GB2007460B (fr)
IT (1) IT1101003B (fr)
NL (1) NL175150C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0805585A1 (fr) * 1996-04-25 1997-11-05 Schablonentechnik Kufstein Aktiengesellschaft Procédé de fabrication de modèles à tonalités de gris

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933198Y2 (ja) * 1979-09-20 1984-09-17 株式会社モリタ製作所 パノラマｘ線撮影用ゲ−ジ
JPS5655949A (en) * 1979-10-12 1981-05-16 Dainippon Screen Mfg Co Ltd Preparation of dot image by compaction of information
US4422101A (en) * 1980-07-30 1983-12-20 Toppan Printing Co., Ltd. Electronic cylinder making method
JPS57147636A (en) * 1981-03-09 1982-09-11 Toppan Printing Co Ltd Plate making method for endless print
JPS57151946A (en) * 1981-03-17 1982-09-20 Toppan Printing Co Ltd Making device for endless plate
JPS57151947A (en) * 1981-03-17 1982-09-20 Toppan Printing Co Ltd Making device for endless plate
US4672466A (en) * 1985-02-05 1987-06-09 R. R. Donnelley & Sons Company Operator selectable multiple gradation scanner and engraver apparatus and method
DE3724256A1 (de) * 1987-07-22 1989-02-02 Hell Rudolf Dr Ing Gmbh Funktionsweise einer schaltungsanordnung zum betrieb von graviersystemen fuer die gravur von druckformen
DE69114581T2 (de) * 1990-06-27 1996-03-28 Konishiroku Photo Ind Vorrichtung zur Bilderzeugung.
US5642436A (en) * 1990-07-18 1997-06-24 Linotype-Hell Ag Method for generating and storing digitalized density threshold values for the rastering of a half-tone picture original
DE4022772A1 (de) 1990-07-18 1992-02-13 Linotype Ag Verfahren zur generierung und speicherung von digitalisierten dichte-schwellwerten zur rasterung einer halbton-bildvorlage
US5515182A (en) * 1992-08-31 1996-05-07 Howtek, Inc. Rotary scanner
US5691818A (en) * 1993-02-25 1997-11-25 Ohio Electronic Engravers, Inc. System and method for enhancing edges and the like for engraving
US5663803A (en) * 1993-02-25 1997-09-02 Ohio Electronic Engravers, Inc. Engraving method and apparatus for engraving areas using a shaping signal
DE19720877A1 (de) * 1997-05-17 1998-11-19 Anatolii Dipl Ing Fel Verfahren zur Herstellung von Abbildungen auf Glas, Stein und anderen harten Materialien durch Zerstörung ihrer Oberfläche
US6433890B1 (en) 1998-09-24 2002-08-13 Mdc Max Daetwyler Ag System and method for improving printing of a leading edge of an image in a gravure printing process
EP1369230A1 (fr) * 2002-06-05 2003-12-10 Kba-Giori S.A. Procédé de fabrication d'une plaque gravée
US10265482B2 (en) 2015-10-01 2019-04-23 Soul Skins Llc Needle-point pen apparatus, methods, and systems for administering medication

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865984A (en) * 1953-09-03 1958-12-23 Time Inc Edge correcting system for visual image transference apparatus
US2881246A (en) * 1955-09-27 1959-04-07 Fairchild Camera Instr Co Engraving machine
US3770888A (en) * 1971-10-04 1973-11-06 Werkspoor Amsterdam Nv Method and apparatus for controlling the engraving pattern of an electromagnetic gravure engraving
US3769455A (en) * 1972-03-01 1973-10-30 Werkspoor Amsterdam Nv Method and apparatus for making half-tone screen printing cylinders
US3983319A (en) * 1973-11-12 1976-09-28 Printing Developments, Inc. Electronic screening for image reproduction
NL167897C (nl) * 1975-02-28 1982-02-16 Hell Rudolf Dr Ing Gmbh Inrichting voor het vervaardigen van gerasterde drukvormen overeenkomstig een beeldorigineel.
DE2516332C2 (de) * 1975-04-15 1987-01-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Codierung von elektrischen Signalen, die bei der Abtastung eines graphischen Musters mit aus Text und Bild gemischtem Inhalt gewonnen werden

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0805585A1 (fr) * 1996-04-25 1997-11-05 Schablonentechnik Kufstein Aktiengesellschaft Procédé de fabrication de modèles à tonalités de gris

Also Published As

Publication number Publication date
NL175150B (nl) 1984-05-01
FR2403190B1 (fr) 1983-08-26
DE2741953B2 (de) 1980-09-18
NL7808264A (nl) 1979-03-20
GB2007460B (en) 1982-02-17
JPS5454701A (en) 1979-05-01
JPS6235104B2 (fr) 1987-07-30
DE2741953C3 (de) 1981-05-21
IT7827704A0 (it) 1978-09-15
US4245260A (en) 1981-01-13
CA1099148A (fr) 1981-04-14
GB2007460A (en) 1979-05-16
NL175150C (nl) 1984-10-01
IT1101003B (it) 1985-09-28
DE2741953A1 (de) 1979-03-29

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Legal Events

Date Code Title Description
CA Change of address
TP Transmission of property
ST Notification of lapse