Apparatus and method for identifying metallic tokens and coins
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United States of America Patent
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Nov 12, 1996
Grant Date -
N/A
app pub date -
Jan 12, 1995
filing date -
Jan 14, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for identifying metallic coins and tokens, comprising: applying an input signal to an ac-bridge; bringing a coin/token in the vicinity of one arm of the ac-bridge; sensing an output signal of the ac-bridge; and associating the output signal with presence of the coin/token in the vicinity of the arm of the ac-bridge.
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