Check-actuated control mechanisms – Including noncontacting – relatively movable parts connected...
Patent
1983-03-25
1985-10-15
Bartuska, F. J.
Check-actuated control mechanisms
Including noncontacting, relatively movable parts connected...
194 97R, G07F 302
Patent
active
045468680
ABSTRACT:
A coin testing apparatus for discriminating between acceptable and unacceptable coins has a ramp down which coins are constrained to roll. A first optical device is positioned in predetermined spaced relationship with the ramp to detect a first parameter of a coin rolling down the ramp to produce a first signal of predetermined timed duration for a coin having the proper first parameter. A second optical device is spaced in predetermined relationship with the first optical device to detect a second parameter of the coin and produce an output signal for a coin having the proper first and second parameters. The output signal energizes a device for detaining coins having an improper third parameter until expiration of the timed duration of the first signal, and a reject mechanism is operatively connected to reject any coins having an improper parameter. A third optical device is positioned in the path of coins leaving the ramp and is connected with a reset to disable the apparatus for a predetermined duration of time when an attempt is made to withdraw a coin back through the apparatus in a reverse direction past the third optical device, and a coin detecting device is positioned in the path of a coin passing all of the tests to produce a "vend" signal.
REFERENCES:
patent: 3978962 (1976-09-01), Gregory
patent: 3998309 (1976-12-01), Mandas et al.
patent: 4089400 (1978-05-01), Gregory
patent: 4128157 (1978-12-01), Henville
patent: 4257435 (1981-03-01), Tanaka et al.
Bartuska F. J.
Lambert Dennis H.
Patent Research Development Corporation
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