Abnormal flow detecting circuit in paper sheet counting machine

Details Abnormal flow detecting circuit in paper sheet counting machine Abnormal flow detecting circuit in paper sheet counting machine

1982-05-07

1985-03-12

Smith, Jerry

Boots, shoes, and leggings

364562, 377 8, 355 14C, 355 14SH, G06F 1546

Patent

active

045049165

ABSTRACT:
A paper sheet counting machine for feeding paper sheets, one at a time, and counting the number of the paper sheets, includes a circuit for detecting an abnormal flow of the paper sheets. In the circuit, the lengths of paper sheets are detected. A predetermined number of the detected signals are averaged. The newest length value is compared with the averaged value to provide a difference signal which determines whether an abnormal flow of the paper sheet has occurred. The averaged value is renewed to compensate for deviation of the length values.

REFERENCES:
patent: 3870868 (1975-03-01), Jones
patent: 3916171 (1975-10-01), Throp
patent: 4026543 (1977-05-01), Leclere
patent: 4076408 (1978-02-01), Reid et al.
patent: 4211482 (1980-07-01), Arai et al.
patent: 4255651 (1981-03-01), Phillips
patent: 4273439 (1981-06-01), Markham et al.

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