Microfiche reader

Details Microfiche reader Microfiche reader

1978-09-05

1980-09-02

Stephan, Steven L.

Optics: image projectors

Selective data retrieval

Plural picture rows on single microcard

353DIG5, G03B 2308

Patent

active

042204046

ABSTRACT:
A film screen is perpendicularly slidably mounted on a first guide rail in a microfiche reader. This first guide rail is detachably mounted on a frame which in turn is slidably mounted on a second guide rail perpendicularly with respect to said first guide rail so that the two guide rails form a coordinate support arrangement for selectively displacing the film screen in two mutually perpendicular directions. The second guide rail is mounted on the base of the microfiche reader. The film screen and first guide rail can be easily detached from the frame and replaced by a film screen and first guide rail of different size which is then attached to the frame.

REFERENCES:
patent: 3190174 (1965-06-01), Field
patent: 3834800 (1974-09-01), Brownscombe

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