Double document detection system

Details Double document detection system Double document detection system

1979-06-11

1981-01-06

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

340562, 340674, B65H 706

Patent

active

042432162

ABSTRACT:
A system for detecting the presence of more than one document along a path during the processing of the documents. A capacitance is introduced by the plural documents in contact with each other and wherein a delay signal is combined with an original signal to generate a multiple document detect signal for indicating the presence of the multiple documents.

REFERENCES:
patent: 3609735 (1971-09-01), Dauterman et al.
patent: 3673589 (1972-06-01), Barrett et al.
patent: 3815021 (1974-06-01), Kerr
patent: 4066969 (1978-01-01), Pearce et al.
patent: 4154437 (1979-05-01), Butcheck et al.

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