[go: up one dir, main page]

Hird, 1974 - Google Patents

Electronic Color Scanners

Hird, 1974

View PDF
Document ID
17761008688852465843
Author
Hird K
Publication year

External Links

Snippet

Process color photography has been continually developing for many years. In fact, color printing techniques are still benefiting, through additional sophisticated requirements, and from a discovery made about 300 years ago. At that time Sir Isaac Newton, British scientist …
Continue reading at scholarworks.uni.edu (PDF) (other versions)

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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; 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
    • G03F3/00—Colour separation; Correction of tonal value
    • G03F3/04—Colour separation; Correction of tonal value by photographic means
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; 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
    • G03F3/00—Colour separation; Correction of tonal value
    • G03F3/10—Checking the colour or tonal value of separation negatives or positives
    • G03F3/102—Lamination or delamination method or apparatus for colour proofing systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; 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
    • G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof

Similar Documents

Publication Publication Date Title
US5452111A (en) Methods and associated apparatus for forming image data metrics which achieve media compatibility for subsequent imaging applications
TW518895B (en) Plurality of picture appearance choices from a color photographic recording material intended for scanning
US2790844A (en) Color correction selector
US7054031B2 (en) Color reproduction process
US4553835A (en) Process for producing pre-press color proofs
US4425417A (en) Method for preparation of a color proof from a set of color separation films, masks or the like
Kuznetsov Principles of Image Printing Technology
JPS61223746A (en) Improved color reproduction
US4522491A (en) Method for reproducing one or more target colors on photographic paper or the like
EP0460187A1 (en) Methods and associated apparatus for forming image data metrics which achieve media compatibility for subsequent imaging applications.
US3627908A (en) High-speed color correcting scanner for making color printing plates
JP2001045317A (en) Color correction relation extracting method and color correcting method
CA1152796A (en) Method of color printing
Hird Electronic Color Scanners
US2048876A (en) Method of preparing printing plates
GB2043950A (en) Cooling Proofing by Light Exposure to Photographic Media
US3329501A (en) Photographic color image formation
US2183143A (en) Method of preparing color-printing plates
Perni The Technology of Electronic Color Scanning and Four-color Lithographic Printing of Art Reproductions and Their Effect on the Image Transference of an Artist's Original Painting
Kuznetsov Means and Methods of Electronic Reproduction
KR910007064B1 (en) Improved color reproduction
US1818080A (en) Print
US4432012A (en) Process for offset conversion to gravure
Neugebauer Theory of masking for color correction. I. Masks drawn from the subject
US1957970A (en) Method of photographically producing "ben day" tones