Sensor for measuring the magnetically responsive characteristics of tokens
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United States of America Patent
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Jun 9, 1992
Grant Date -
N/A
app pub date -
Mar 27, 1990
filing date -
Mar 27, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved magnetic field sensor for detecting tokens is disclosed which has one Hall effect sensor located between a magnet and an inclined token track base and another Hall effect sensor located between another magnet and the inclined token track base. The Hall effect sensors are placed at distances above the inclined token track base which optimize their accuracy in detecting tokens which have two concentric regions with different magnet characteristics.
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