CH520956A - Procédé pour reproduire une copie originale par une méthode de demi-teinte - Google Patents

Procédé pour reproduire une copie originale par une méthode de demi-teinte

Info

Publication number
CH520956A
CH520956A CH1872369A CH1872369A CH520956A CH 520956 A CH520956 A CH 520956A CH 1872369 A CH1872369 A CH 1872369A CH 1872369 A CH1872369 A CH 1872369A CH 520956 A CH520956 A CH 520956A
Authority
CH
Switzerland
Prior art keywords
reproducing
original copy
halftone method
halftone
copy
Prior art date
Application number
CH1872369A
Other languages
English (en)
Inventor
L Rapoport Sidney
F Mitchell Douglas
Original Assignee
Rapoport Printing Corp
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 Rapoport Printing Corp filed Critical Rapoport Printing Corp
Publication of CH520956A publication Critical patent/CH520956A/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/14—Screening processes; Screens therefor by contact methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/22—Screening processes; Screens therefor combining several screens; Elimination of moiré
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/24—Screening processes; Screens therefor by multiple exposure, e.g. combined processes for line photo and screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Printing Methods (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
CH1872369A 1968-12-18 1969-12-17 Procédé pour reproduire une copie originale par une méthode de demi-teinte CH520956A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78483668A 1968-12-18 1968-12-18

Publications (1)

Publication Number Publication Date
CH520956A true CH520956A (fr) 1972-03-31

Family

ID=25133677

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1872369A CH520956A (fr) 1968-12-18 1969-12-17 Procédé pour reproduire une copie originale par une méthode de demi-teinte

Country Status (5)

Country Link
US (1) US3581660A (fr)
CH (1) CH520956A (fr)
FR (1) FR2026473A1 (fr)
GB (1) GB1249838A (fr)
NL (1) NL162751C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011085A (en) * 1974-10-02 1977-03-08 Rapoport Printing Corporation Lithographic printing process
US4037533A (en) * 1974-12-05 1977-07-26 Rapoport Printing Corporation Color lithography using a random pattern screen
JPS5280903A (en) * 1975-12-26 1977-07-07 Koohan Kk Halfftone offset plate
JPS5280908A (en) * 1975-12-26 1977-07-07 Koohan Kk Halfftone printing method
CH617779A5 (fr) * 1977-07-25 1980-06-13 Licht Druck Ag
US4301232A (en) * 1979-11-16 1981-11-17 Kullen Allan S Method of producing continuous tone gradation prints
US4394424A (en) * 1981-08-11 1983-07-19 Sportelli Frank A Printing screen and method of making same
FR2722584B1 (fr) * 1994-07-13 1996-10-31 Nouel Jean Marie Utilisation du tramage a modulation de frequence pour alleger en offset les surfaces imprimantes
US5429047A (en) * 1994-11-07 1995-07-04 Marmolejo; Paula J. Method of printing color images on textured surfaces
FR2752958B1 (fr) * 1996-09-03 1998-10-02 Brisson Gerard Mixage de trame aleatoire et trame conventionnelle ou ligne

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US547780A (en) * 1895-10-15 Method of printing in colors and screen therefor
US640469A (en) * 1899-02-04 1900-01-02 Jacobson Company Process of making half-tones.
US744223A (en) * 1901-06-21 1903-11-17 Ernst Ortmann Photographic reproductive process.
US809157A (en) * 1902-12-17 1906-01-02 Maurice N Weyl Photomechanical multicolor-printing.
US871234A (en) * 1907-02-21 1907-11-19 Charles Hamilton Mcintosh Method of producing half-tone plates.
US1504782A (en) * 1921-02-09 1924-08-12 John H Powrie Art of photolithography
US2021191A (en) * 1933-07-05 1935-11-19 Charles V Price Article and method by which "ben day" tones are photographically produced
US2060640A (en) * 1934-12-17 1936-11-10 Detroit Moulding Corp Method of making intaglio printing plates
US2119041A (en) * 1935-07-13 1938-05-31 Carman Albert Reproduction process
US3178997A (en) * 1961-05-02 1965-04-20 Technicolor Corp Image-processing system

Also Published As

Publication number Publication date
NL162751B (nl) 1980-01-15
US3581660A (en) 1971-06-01
GB1249838A (en) 1971-10-13
DE1962370A1 (de) 1970-06-25
NL6918556A (fr) 1970-06-22
FR2026473A1 (fr) 1970-09-18
DE1962370B2 (de) 1975-09-11
NL162751C (nl) 1980-06-16

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Legal Events

Date Code Title Description
PL Patent ceased