Apparatus for electronic scanning and microfilming of documents

Details Apparatus for electronic scanning and microfilming of documents Apparatus for electronic scanning and microfilming of documents

1985-10-31

1987-12-08

Hix, L. T.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 43, 355 54, 355 64, 355 69, G03B 2752

Patent

active

047115661

ABSTRACT:
Apparatus using a single document transport means for microfilming the document and scanning the document for obtaining digital signals for storage that are indicative of the image carried on the document. One embodiment provides for sequential presentment of the document for filming and scanning. Another embodiment provides for simultaneous filming and scanning. Circuitry is disclosed by which the digital signals are processed for use in controlling the light source used for filming of the document. Circuitry is disclosed for supplying information for later retrieval of the digital signals and/or the microfilm for a particular document.

REFERENCES:
patent: 3773419 (1973-11-01), Sumner et al.
patent: 4277805 (1981-07-01), Sato
patent: 4283621 (1981-12-01), Pembroke
patent: 4414579 (1983-12-01), Dattilo et al.
patent: 4510619 (1985-04-01), Le Brun et al.

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