Check-actuated control mechanisms – With additional – disparate means preventing fraudulent...
Patent
1997-11-13
1999-12-21
Bartuska, F. J.
Check-actuated control mechanisms
With additional, disparate means preventing fraudulent...
2505594, G07F 300, G01N 2186
Patent
active
060036516
ABSTRACT:
A gaming device is provided with detectors configured to substantially reduce the potential for unauthorized manipulation of a coin output system. A pair of detectors can be used to output an error signal when the sequence or timing of detector blockages departs from that which would be expected from normal coin movement. A second optical detector is configured to provide a signal used to output an error signal when the second detector detects radiation or light during a time that a first detector is also detecting light from a paired radiation source. An error signal is preferably output when an optical detector is blocked for a period of time which exceeds a maximum blockage threshold, and preferably the threshold may be dynamically adjusted. In one embodiment, a sensor in or adjacent an output hopper is used to predict coin output from the hopper and an error signal is generated when more than a predetermined period of time passes, following a coin output prediction, without a coin being detected by a downstream optical detector.
REFERENCES:
patent: 3264630 (1966-08-01), Conklin
patent: 5516293 (1996-05-01), Heidel et al.
Gail Ted M.
Hedrick Joseph R.
Isaac Ben Elie
Waller Daniel J.
Bartuska F. J.
International Game Technology
Jaketic Bryan
Ross P.C. Sheridan
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