Anti-theft system for thermometer
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United States of America Patent
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May 25, 2010
Grant Date -
Apr 10, 2008
app pub date -
Oct 6, 2006
filing date -
Oct 6, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A thermometry assembly includes a thermometer and a mount for mounting the thermometer on a wall or other support structure. The thermometry assembly has an anti-theft system for deterring theft of the thermometer. The anti-theft system generally includes a counter that counts the number of uses of the thermometer during a period beginning from the time the thermometer was last on the mount. A microcontroller of the thermometer is programmed to disable further operation of the thermometer when a threshold number has been reached or exceeded by the counter. The counter is reset when the thermometer is returned to the mount. The anti-theft system includes a solid-state sensor that is activated by a magnet in the mount. The sensor signals to the microcontroller to reset the counter when it is activated by the magnet.
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