Retrieval control apparatus for microfilm reader

Details Retrieval control apparatus for microfilm reader Retrieval control apparatus for microfilm reader

1987-08-25

1988-04-19

Wintercorn, Richard A.

Optics: image projectors

Selective data retrieval

Film strip

355 14R, 355 43, 355 45, G03B 2312, G03B 2752, G03B 2770

Patent

active

047385235

ABSTRACT:
The present invention relates to a reader printer having a plurality of mode selection keys, ten-keys and a character display which displays a message indicating contents of input manipulations to be executed next with the ten keys in accordance with the mode selected by the mode selection keys whereby operating conditions of the reader printer under the selected mode are set by way of operator-to-machine conversation.

REFERENCES:
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patent: 3949375 (1976-04-01), Ciarlo
patent: 4134674 (1979-01-01), Ohsaki et al.
patent: 4139898 (1979-02-01), Tanaka
patent: 4174891 (1979-11-01), Flint et al.
patent: 4282522 (1981-08-01), Everett, Jr.
patent: 4327994 (1982-05-01), Barley et al.
patent: 4572656 (1986-02-01), Buchalter et al.
patent: 4607950 (1986-08-01), Ishii et al.
patent: 4687321 (1987-08-01), Itoh
patent: 4693591 (1987-09-01), Saijo et al.

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