Apparatus for detecting information stored on photocopying media

Details Apparatus for detecting information stored on photocopying media Apparatus for detecting information stored on photocopying media

1977-11-17

1980-05-27

Braun, Fred L.

Photocopying

Including fiber optics

355 14CH, 358300, 365112, G03G 1500

Patent

active

042047250

ABSTRACT:
A printer/copier having the added capabilities of scanning information from photocopying media, for the purpose of storing it in computer memories or transmitting it over communication lines. The printer/copier has a sensing electrode which detects the charge change on a photoconductor surface as it is being scanned by a laser beam. The laser can also be used to expose the photoconductor for the purpose of printing. A deconvolution circuit is also provided to convert the detected charge to a storable or transmittable coded signal.

REFERENCES:
patent: 3050580 (1962-08-01), Schwertz
patent: 3660818 (1972-05-01), Amodei et al.
patent: 4014030 (1977-03-01), Stark et al.
patent: 4042962 (1977-08-01), Yamaji et al.
patent: 4046471 (1977-09-01), Branham et al.
patent: 4085455 (1978-04-01), Okumura

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