Optical system having a rotating screen

Details Optical system having a rotating screen Optical system having a rotating screen

1975-01-17

1977-03-15

Hix, L. T.

Photocopying

Including fiber optics

355 11, 355 71, G03G 1526

Patent

active

040121372

ABSTRACT:
An optical system in which a light image of an original document is projected onto a light sensitive member. The light image passes through a rotating screen at discrete time intervals forming successive half-tone light images at differing screen angles.

REFERENCES:
patent: 3158479 (1964-11-01), Pluess
patent: 3195405 (1965-07-01), Clark et al.
patent: 3260152 (1966-07-01), Aston
patent: 3467468 (1969-09-01), Johnson
patent: 3469914 (1969-09-01), Thomson
patent: 3506350 (1970-04-01), Denner
patent: 3517596 (1970-06-01), Johnson et al.
patent: 3635555 (1972-01-01), Kurahashi et al.
patent: 3724943 (1973-04-01), Draugelis et al.

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