
US Patent No: 4,591,904
Number of patents in Portfolio can not be more than 2000
Picture image input/output system
Stats
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May 27, 1986
Issued date -
Jun 15, 1983
filing date -
06/504,511
serial no -
Expired
status
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Abstract
A picture image input/output system which can obviate defects encountered in prior art systems is arranged such that plural original color pictures are enlarged or reduced at a predetermined magnification ratio respectively by a picture image scanning device and color separated to obtain color separation signals; such color separation signals are processed for appropriate color correction, sharpness enhancement and gradation conversion, and lay-out picture images are sequentially outputted on a recording material using lay-out instructions and information.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,305,094 Color control simulator for a picture reproducing machine | 21 | 1979 | |
| 4,315,280 Method for reproducing color separation pictures on a recording material from original pictures | 7 | 1980 | |
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| 4,472,736 Lithographic reproduction original classification and color separation tone curve adjustment | 58 | 1981 | |
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| 4,305,093 Method of producing multiple images in a scanning apparatus | 22 | 1979 | |