Check-actuated control mechanisms – With means responsive to malfunction
Patent
1992-01-02
1993-06-15
Bartuska, F. J.
Check-actuated control mechanisms
With means responsive to malfunction
194203, 194318, G07D 508
Patent
active
052190595
ABSTRACT:
A coin processing apparatus arranged to automatically execute a cancellation process for canceling acceptance of an inserted coin by detecting, on the basis of output levels of receiving coils in a plurality of sets of coin selecting coils disposed on a coin path, a fact that the inserted coin has been guided into a return path through the operation of a return lever, and also to judge the occurrence of coin jamming and coin counter-flow on the basis of the output levels of the receiving coils. The output level of the receiving coil in each of the plurality of sets of coin selecting coils is monitored so as to carry out the automatic cancellation process in case the output levels of the respective receiving coils concurrently exceed a predetermined threshold level and persist longer than a predetermined period of time. In case the output level of the receiving coil in at least one of the plurality of sets of coin selecting coils exceeds the predetermined threshold level and persists longer than a second predetermined period of time, it is judged that the coin jamming has occurred. Further, in case the output level of the receiving coil of the most downstream one of the plurality of sets of coin selecting coils exceeds the predetermined threshold level and the detection output occurs again after the lapse of a third predetermined period of time from the time point when the detection output has once ceased, then the coin judged as a true coin is treated as a false coin.
REFERENCES:
patent: 4601380 (1986-07-01), Dean et al.
patent: 4690263 (1987-09-01), Yokomori
Fukuda Ichiro
Furuya Yonezo
Yoshizawa Genzo
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