METHOD FOR SETTING CURVE OF GREY-BOARD USED IN MULTI-COLOUR PLATE-MAKING

This uses photodensity characteristic curve of film densitive material of colour photo instead of previous "density value" to obtain light quantity value" for image information valve of original picture. It is treated by utilizing grey grade transform curve to obtain colour splitting...

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Bibliographic Details
Main Authors TAKASHI NUMAKURA, IWAO NUMAKURA
Format Patent
LanguageEnglish
Published 28.10.1992
Subjects
APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
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Abstract This uses photodensity characteristic curve of film densitive material of colour photo instead of previous "density value" to obtain light quantity value" for image information valve of original picture. It is treated by utilizing grey grade transform curve to obtain colour splitting vurves of various colour printing plate (C.M.Y.) then the said coloun printing plate with colour splitting curve as basis to determine the inking range at the same time, by utilizing the same grade transform formula which is used on colour curve for set up various printing plate (C. M. Y) to set up colour splitting curves used on inking plate (B).
AbstractList This uses photodensity characteristic curve of film densitive material of colour photo instead of previous "density value" to obtain light quantity value" for image information valve of original picture. It is treated by utilizing grey grade transform curve to obtain colour splitting vurves of various colour printing plate (C.M.Y.) then the said coloun printing plate with colour splitting curve as basis to determine the inking range at the same time, by utilizing the same grade transform formula which is used on colour curve for set up various printing plate (C. M. Y) to set up colour splitting curves used on inking plate (B).
Author TAKASHI NUMAKURA
IWAO NUMAKURA
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Snippet This uses photodensity characteristic curve of film densitive material of colour photo instead of previous "density value" to obtain light quantity value" for...
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SubjectTerms APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
Title METHOD FOR SETTING CURVE OF GREY-BOARD USED IN MULTI-COLOUR PLATE-MAKING
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