Fuse continuity detection
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United States of America Patent
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Jun 24, 2014
Grant Date -
Aug 2, 2012
app pub date -
Jan 28, 2011
filing date -
Jan 28, 2011
priority date (Note) -
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Abstract
Systems, methods, and circuits are disclosed for detecting continuity of a fuse or other current protection device in a circuit. For example, a signal is generated and coupled onto a closed circuit in which the continuity of the fuse closes the circuit. The signal is then coupled from the closed circuit to a signal detector, which detects the presence of the signal and provides an output indicative of the presence of the signal. If the fuse blows, the circuit is opened, prohibiting the signal from being coupled to the signal detector, in which case the signal detector provides an output indicative of the absence of the signal. This example, however, are not exhaustive.
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