JPS6484255A - Block copy for color graphic arts - Google Patents

Block copy for color graphic arts

Info

Publication number
JPS6484255A
JPS6484255A JP24236087A JP24236087A JPS6484255A JP S6484255 A JPS6484255 A JP S6484255A JP 24236087 A JP24236087 A JP 24236087A JP 24236087 A JP24236087 A JP 24236087A JP S6484255 A JPS6484255 A JP S6484255A
Authority
JP
Japan
Prior art keywords
color
copy
separated
stage
halftone photography
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.)
Pending
Application number
JP24236087A
Other languages
Japanese (ja)
Inventor
Yoji Tonomura
Kazuhito Hasegawa
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.)
Mitsubishi Paper Mills Ltd
Original Assignee
Mitsubishi Paper Mills Ltd
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 Mitsubishi Paper Mills Ltd filed Critical Mitsubishi Paper Mills Ltd
Priority to JP24236087A priority Critical patent/JPS6484255A/en
Publication of JPS6484255A publication Critical patent/JPS6484255A/en
Pending legal-status Critical Current

Links

Landscapes

  • Preparing Plates And Mask In Photomechanical Process (AREA)

Abstract

PURPOSE:To save a stage for color separation or for halftone photography of a color copy, and to make a copy process simpler and quicker by prepg. previously block copies formed for every four separated colors from a color- separated dot picture image of a color original on opaque sheets with India ink before executing processing of the block copy. CONSTITUTION:Four-color separated halftone photography of several color photographies, color illustrations, color characters, are prepd. etc. on a direct offset printing plate with a color scanner, process camera, etc. and machine plates are prepd. by processing the halftone photography. Block copies of the color-separated dot picture image contg. information for each Cyan (C), Megenta (M), Yellow (Y), and Black (B) and for each color density are obtd. by printing with India ink on paper (e.g. art paper) using obtd. color-separated plates. By this constitution, color separation stage and halftone photography-prepg. stage of a color copy are saved, thus a copy process is simplified and prompted.
JP24236087A 1987-09-25 1987-09-25 Block copy for color graphic arts Pending JPS6484255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24236087A JPS6484255A (en) 1987-09-25 1987-09-25 Block copy for color graphic arts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24236087A JPS6484255A (en) 1987-09-25 1987-09-25 Block copy for color graphic arts

Publications (1)

Publication Number Publication Date
JPS6484255A true JPS6484255A (en) 1989-03-29

Family

ID=17088026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24236087A Pending JPS6484255A (en) 1987-09-25 1987-09-25 Block copy for color graphic arts

Country Status (1)

Country Link
JP (1) JPS6484255A (en)

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