Detection system

Details Detection system Detection system

1999-06-28

2000-12-05

Olszewski, Robert P.

Check-actuated control mechanisms

With means responsive to malfunction

194202, G07C 300, G07D 700

Patent

active

061553980

ABSTRACT:
A coin jam detection system for detecting a coin jammed in a coin runway of vending machines, or other coin operated machines is described. The system includes a coin runway sensor attached to a coin runway, a coin sensor and a microprocessor. A timer in the microprocessor is used to measure the time elapsed between when a coin is sensed by the coin runway sensor and by the coin sensor in the coin mechanism. If the timer exceeds a certain predetermined time limit, a jam condition is assumed and a repair signal may be generated.

REFERENCES:
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patent: 3921003 (1975-11-01), Greene
patent: 4565275 (1986-01-01), Hagiwara
patent: 4666027 (1987-05-01), Ostroski et al.
patent: 5219059 (1993-06-01), Furuya et al.
patent: 5366058 (1994-11-01), Kurosu
patent: 5787158 (1998-07-01), Anello et al.
patent: 5791450 (1998-08-01), Oden

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