Film writer and viewer system

Details Film writer and viewer system Film writer and viewer system

1989-10-03

1991-07-30

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 54, 358215, 355 20, 346110R, H04N 5253, H04N 536

Patent

active

050363980

ABSTRACT:
A film writer and viewer system operable to reduce the exposure requirements of the writer and thereby extend its life by providing a pre-exposure lamp to increase the density of the film to a first value and by providing an image enhancer on the output of a video camera viewing the film to increase the contrast between the information on the film and the background for subsequent viewing.

REFERENCES:
patent: 3919474 (1975-11-01), Benson
patent: 4332466 (1982-06-01), Flasck
patent: 4689691 (1987-08-01), Isogai et al.
patent: 4772952 (1988-09-01), Liem
patent: 4841317 (1989-06-01), Westell
patent: 4935749 (1990-06-01), Sakakibara et al.

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