Dual mode control logic for a multi-mode copier/duplicator

Details Dual mode control logic for a multi-mode copier/duplicator Dual mode control logic for a multi-mode copier/duplicator

1974-11-29

1977-11-08

Hix, L. T.

Photocopying

Including fiber optics

355 14, 355 51, G03G 1528

Patent

active

040573419

ABSTRACT:
Control circuitry is disclosed for operating stations in an automatic electrophotographic reproducing machine in either of two modes to make copies of different sizes. In one mode a document is held stationary while moving scanning elements move past it to form a scanned image, and in the second mode the scanning elements are held stationary while a document feeder feeds sheet documents past the scanning elements. The control circuity includes a multiplexer for gating appropriate signals to the various stations according to the mode in which the machine is operating.

REFERENCES:
patent: 3352218 (1967-11-01), Ostensen
patent: 3588472 (1971-06-01), Glaster et al.
patent: 3652157 (1972-03-01), Blackert et al.
patent: 3674363 (1972-07-01), Baller et al.
patent: 3677635 (1972-07-01), Van Auken et al.
patent: 3684367 (1972-08-01), Vassitch
patent: 3689143 (1972-09-01), Case et al.
patent: 3813157 (1974-05-01), Fantozzi
patent: 3833296 (1974-09-01), Vola et al.
patent: 3900258 (1975-08-01), Hoppner et al.
"Dual Mode Copying System," IBM Technical Disclosure Bulletin, vol. 12, No. 1, p. 173.

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