Microfilm image processing apparatus

Details Microfilm image processing apparatus Microfilm image processing apparatus

1988-12-23

1990-07-17

Hix, L. T.

Photocopying

Projection printing and copying cameras

With focusing or projection screen

355 55, 350254, G03B 2752, G02B 716

Patent

active

049424254

ABSTRACT:
A microfilm image processing apparatus in which a carriage unit carrying a plurality of projection lenses arranged in an array is provided in conjunction with a microfilm holder, wherein two different paths of light are to be selectively established, one from the carriage unit toward a viewing screen and the other from the carriage unit toward any light receiving member such as a photosensitive drum for producing electrostatic latent images and wherein the carriage unit is movable back and force in a direction perpendicular to the path of light from the microfilm holder either for scanning the image on a microfilm strip retained in the microfilm holder or moving a selected one of the plurality of projection lenses on the carriage unit into a position aligned with the path of light from the microfilm holder, each of the projection lenses being preferably of the zoom type and being axially movable by the carriage unit to provide a variable magnification ratio within a range prescribed for each projection lens.

REFERENCES:
patent: 3988064 (1976-10-01), Sone et al.
patent: 4278334 (1981-07-01), Maeda
patent: 4666284 (1987-05-01), Yamada
patent: 4825243 (1989-04-01), Ito et al.
patent: 4866477 (1989-09-01), Barry et al.

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