Method for exposing a light sensitive member

Details Method for exposing a light sensitive member Method for exposing a light sensitive member

1976-02-10

1977-12-20

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Methods

355 67, G03B 2732, G03B 2754

Patent

active

040638138

ABSTRACT:
Method of exposing a light sensitive member with a discharge lamp energized by an alternating electrical current where the exposure time for each point on the light sensitive member is an integral multiple of the period of the periodic output variations of the discharge lamp. In the preferred embodiment, the exposure is effected through a slit where relative movement occurs between the slit and the light sensitive member and where l = v .multidot. n To, l being the width of the slit, v being the relative velocity between the slit and light sensitive member, To being the period of the periodic output variations of the discharge lamp and n being any positive integer.

REFERENCES:
patent: 2036447 (1936-04-01), Tuttle et al.
patent: 3224327 (1965-12-01), Schulze
patent: 3262356 (1966-07-01), Forbes
patent: 3393604 (1968-07-01), Lundin
patent: 3679306 (1972-07-01), Du Bois et al.
patent: 3692408 (1972-09-01), Nakamura
patent: 3791734 (1974-02-01), Mey
patent: 3832057 (1974-08-01), Shogren

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