Automatic-search microfiche reader involving the use of a microc

Details Automatic-search microfiche reader involving the use of a microc Automatic-search microfiche reader involving the use of a microc

1981-05-22

1983-10-04

Gruber, Felix D.

Boots, shoes, and leggings

364900, 353 27A, G03B 2308, G06F 1502

Patent

active

044082878

ABSTRACT:
A microfiche reader provided with a keyboard of the type comprising a radiation emitter such as an infrared radiation emitter, each key being associated with an emitter modulation code and the modulated signal being detected by a photoreceiver. A microcomputer serves to decode the signal delivered by the photodetector and to generate suitable electrical signals for controlling drive motors which initiate the displacements of a microfiche support plate.

REFERENCES:
patent: 3188910 (1965-06-01), Brownscombe et al.
patent: 3528735 (1970-09-01), Bluitt et al.
patent: 3744891 (1973-07-01), Dennis et al.
patent: 3868645 (1975-02-01), Delplanque et al.
patent: 4110020 (1978-08-01), Johnson et al.
patent: 4174890 (1979-11-01), Johnson et al.
patent: 4174891 (1979-11-01), Flint et al.
patent: 4179743 (1979-12-01), Suzuki et al.

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