Microfilm card and a microfilm reader with automatic stage posit

Details Microfilm card and a microfilm reader with automatic stage posit Microfilm card and a microfilm reader with automatic stage posit

1982-02-12

1984-08-14

Haroian, Harry N.

Optics: image projectors

Selective data retrieval

353120, G03B 2312

Patent

active

044653492

ABSTRACT:
A microfiche and a microfilm reader comprising automatic positioning of the film stage, characterized by the following features:

REFERENCES:
patent: 3290987 (1966-12-01), James et al.
patent: 4254329 (1981-03-01), Gokey et al.

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