Photocopying – Projection printing and copying cameras – Multicolor picture
Patent
1987-08-13
1989-03-21
Shah, Mukund J.
Photocopying
Projection printing and copying cameras
Multicolor picture
355 32, 355 38, 355 70, 355 71, 430505, 430508, 430565, G03B 2754, G03B 2776
Patent
active
048148270
ABSTRACT:
A radiation-sensitive element for half tone color proofing adapted to be exposed by scanning with four independently modulated sources of radiation emitting at different wavelengths within the range 550 to 900 nm, the element comprising a substrate bearing at least four separate imaging media coated thereon, said imaging media including:
REFERENCES:
patent: 3199402 (1965-08-01), Hunt et al.
patent: 3825335 (1974-07-01), Reynolds
patent: 3841752 (1974-10-01), Terajima
patent: 3914721 (1975-10-01), Pollock
patent: 3950093 (1976-04-01), Schneider
patent: 4124292 (1978-11-01), Van Wandelen
patent: 4188111 (1980-02-01), Marvin
patent: 4705745 (1987-11-01), Kitchin et al.
Finn Peter J.
Fisher Michael G.
Kitchin Jonathan P.
Penfound Keith A.
Powers Stephen R.
Kirn Walter N.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Shah Mukund J.
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