Coin counting control apparatus for a vending machine
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United States of America Patent
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Dec 3, 1991
Grant Date -
N/A
app pub date -
Feb 14, 1990
filing date -
Feb 14, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A coin counting apparatus for a vending machine includes a down counter which is loaded with an initial count representing the number of coins to be deposited in order to initiate a vend cycle which initial count is decremented in response to each sequential coin detection. A display responsive to the current count of the counter indicates the number of coins yet to be deposited and a gate detecting the target count of zero is coupled to actuate relay contacts to signal the vending machine to initiate a vend cycle. An initialization circuit causes the loading of the initial count in response to either the detection of power up or the expiration of a predetermined time period, in the range of 1 to 10 minutes, after the last coin detection.
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