Side printing apparatus

Details Side printing apparatus Side printing apparatus

1983-12-06

1985-05-28

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Tilting

346107A, 352 92, 354109, 355 40, 355 64, G03B 2732, G03B 2752

Patent

active

045197016

ABSTRACT:
A side printing apparatus for providing latent images of characters, numerals, symbols and the like on a photographic film moving in continuous motion includes a film sensitivity responsive means for generating several kinds of pulse having different pulse lengths which are predetermined in accordance with sensitivity of film. The pulse operates to cause a light image forming device to be energized for a time defined corresponding to the pulse length thereof so as to provide a latent image of character, numeral, symbol or the like on a photographic film.

REFERENCES:
patent: 3449046 (1969-06-01), White
patent: 3603974 (1971-09-01), Copeland, Jr.
patent: 3677146 (1972-07-01), Nielsen
patent: 3838435 (1974-09-01), Mepham et al.
patent: 3877799 (1975-04-01), O'Donnell
patent: 4123767 (1978-10-01), Halpern
patent: 4260245 (1981-04-01), Huser
patent: 4273440 (1981-06-01), Froessl
patent: 4344683 (1982-08-01), Stemme
patent: 4370409 (1983-01-01), Bostroem
patent: 4417811 (1983-11-01), Hamer

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