Dual mode copying machine

Details Dual mode copying machine Dual mode copying machine

1975-10-09

1977-09-13

Tomsky, Stephen J.

Photocopying

Including fiber optics

355 9, 350161S, G03G 1500

Patent

active

040478106

ABSTRACT:
An apparatus in which a latent image of an original document is recorded on a photosensitive member. A light image of the original document is projected through a normally non-deformed transparent member onto the photosensitive member. An operator actuatable control deforms the transparent member producing a plurality of spaced grooves therein. The light image transmitted through the grooved portion of the transparent member is phase shifted with respect to the light image transmitted through the non-grooved portion thereof. In this way, the operator may deform the transparent member producing a modulated light image, or permit the transparent member to remain in the non-deformed condition so as not to modulate the light image.

REFERENCES:
patent: 2598732 (1952-06-01), Walkup
patent: 3158430 (1964-11-01), McNaney
patent: 3795514 (1974-03-01), Tvirblis et al.
patent: 3905683 (1975-09-01), Roach et al.
patent: 3907407 (1975-09-01), Vilkomerson et al.
patent: 3912386 (1975-10-01), Gorog et al.
patent: 3936173 (1976-02-01), Kidd et al.

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