Photocopying – Projection printing and copying cameras – With focusing or projection screen
Patent
1979-11-19
1981-09-15
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
With focusing or projection screen
353 27R, 355 54, G03B 1328
Patent
active
042893968
ABSTRACT:
A microfilm reader/printer has a plurality of interchangeable film carriers to accommodate microfiche of different sizes and format. The film carriers are normally latched into two orthogonally oriented pairs of spaced, parallel rails so that film movement is limited. However, if a film carrier is unlatched from said rails, one of the carriers may be interchanged for another.
REFERENCES:
patent: 3865484 (1975-02-01), Heldenbrand et al.
patent: 3992089 (1976-11-01), Hirose et al.
patent: 4220404 (1980-09-01), Hofmann et al.
Bell & Howell Company
Samlan Alan B.
Whitesel J. Warren
Wintercorn Richard A.
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