Microfiche and reader

Details Microfiche and reader Microfiche and reader

1974-08-13

1976-03-16

Aegerter, Richard E.

Optics: image projectors

Selective data retrieval

Plural picture rows on single microcard

353 38, 353 85, G03B 2308

Patent

active

039443507

ABSTRACT:
A microfiche having one surface embossed or molded to define a multiplicity of small lenses (lensettes) integral with the microfiche. Each micro-image is stored directly below a corresponding lensette, thereby assuring optical distance registry between each micro-image and its projection. Lateral optical registry is also realized. In an embodiment, interlensette surface of the microfiche is made opaque to preclude optical cross-talk.

REFERENCES:
patent: 3704068 (1972-11-01), Waly
patent: 3712724 (1973-01-01), Courtney-Pratt
patent: 3770344 (1973-11-01), Fukushima
Light-Emmitting Semiconductors, Scientific American, May, 1967, at 109.

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