General purpose signal converter
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United States of America Patent
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Issued Date -
Sep 21, 2006
app pub date -
Jan 24, 2006
filing date -
Nov 12, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for remotely monitoring electrical equipment in an enclosed cabinet, having an ultrasonic detector located in the enclosed cabinet and detecting ultrasonic emissions generated by the electrical equipment, e.g., arcing, and heterodyning those ultrasonic emissions into an audio signal, a data converter which generates a digitized version of the audio signal, and a processing unit located remotely from the enclosed cabinet which receives the digitized signal over a transmitting line, and analyzes the digitized signal to determine whether there is an actual or potential failure condition.
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