Micro information indexing reader

Details Micro information indexing reader Micro information indexing reader

1976-08-13

1978-02-21

Stephan, Steven L.

Optics: image projectors

Selective data retrieval

Plural picture rows on single microcard

350167, 353 38, 353120, 354115, 354120, G03B 2114, G02B 2700

Patent

active

040749339

ABSTRACT:
A micro information reader defined by a thin container open at one side. The open side receives a micro information carrier. The carrier and the thin container are provided with interengaging ridges which function as detents to index the micro information carrier with respect to fixed illumination sources and projection lenses on the reader.

REFERENCES:
patent: 3712724 (1973-01-01), Courtney-Pratt
patent: 3853395 (1974-12-01), Yevick
patent: 3864034 (1975-02-01), Yevick
patent: 3868179 (1975-02-01), Zeutschel

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