Currency dispenser monitor

Details Currency dispenser monitor Currency dispenser monitor

1981-08-07

1983-08-16

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

250559, 250231R, 340674, 356381, B65H 714, B65H 712

Patent

active

043987117

ABSTRACT:
An apparatus for monitoring the performance of a currency dispenser by detecting the displacement of a roller caused by the thickness of a record member. This displacement is measured by the movement of a graded density translucent member between the photodiode and sensor of a detector. Electronic circuitry associated with the detector indicates the presence of a record member between the rollers, and also the presence of multiple record members. The fabrication of the member allows the circuitry to detect only the displacement from the static position of the rollers, eliminating the necessity for adjustment due to wear, temperature, and other mechanical factors.

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Amundson et al., "Double Document Detector", IBM Tech. Discl. Bull., vol. 7, No. 8, Jan. 1965, p. 715.
Boothroyd, "Double Document Detect System", IBM Tech. Discl. Bull., vol. 19, No. 12, May 1977, pp. 4749-4750.

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