Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1992-03-17
1993-11-02
Powell, Mark R.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358527, H04N 964
Patent
active
052588297
ABSTRACT:
R.sub.1, G.sub.1 and B.sub.1 outputs from a MUSE decoder 10 are entered to a color conversion section 11. In the color converting section, the R.sub.1, G.sub.1 and B.sub.1 signals are entered to a camera gamma inverse correcting circuit 12 and then supplied via this circuit 12 to a color conversion matrix processing section 13. A coefficient supplied to this circuit 143 is changed depending on the input signals. Color conversion is effected depending on the supplied coefficient so that three color signals R.sub.4, G.sub.4 and B.sub.4 are outputted and displayed on a CRT 15 via an inverse gamma characteristics circuit 14 of the display device. Image color signals with plural different color reproduction characteristics may be reproduced without color reproduction errors by a single color display apparatus.
REFERENCES:
patent: 4267560 (1981-05-01), Ishikawa et al.
patent: 4481529 (1984-11-01), Kerling
patent: 4707727 (1987-11-01), Penney
patent: 4989080 (1991-01-01), Ito
patent: 4994901 (1991-02-01), Parulski et al.
patent: 5150206 (1992-09-01), Roberts
Aiba Masayuki
Matsunaga Osamu
Eslinger Lewis H.
Maioli Jay H.
Powell Mark R.
Sony Corporation
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