Disconnection detecting circuit detecting disconnection based on a change in detection signal
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United States of America Patent
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-
Feb 3, 2004
Grant Date -
Aug 14, 2003
app pub date -
Aug 5, 2002
filing date -
Feb 14, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disconnection detecting circuit includes switches for setting a detection signal to be supplied for a signal line, a resistor for supplying the signal line with the detection signal set by the switches and control means for controlling the switches to set the detection signal to be supplied for the signal line and judging whether there is disconnection or not in the signal line on the basis of a change in the detection signal.
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