Door condition sensor for safes and secured areas
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United States of America Patent
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Jun 6, 2006
Issued Date -
N/A
app pub date -
Feb 11, 2004
filing date -
Feb 11, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A door condition sensor for a safe having a door. The sensor has a housing mounted on an inside surface of the door, frame engageable means for abutting the door frame, a driver rotatably mounted in the housing, analog signal generator mounted in the housing having a rotatable part driven by the driver, and spring for extending the frame engageable means that is slideably mounted and confined to linear displacement in the housing. The driver transforms displacement of the frame engageable means into rotational orientation of the driver. The generator produces analog signals corresponding to the rotational orientation of the rotatable part. A means converts analog signals from the generator to corresponding digital signals that are proportional to displacement of the frame engageable means. Memory means compares the displacement with a set point range thereby continually monitoring the condition of the door.
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