Watchdog circuit for ground monitor current sensing
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United States of America Patent
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May 9, 2017
Grant Date -
Mar 5, 2015
app pub date -
Aug 29, 2014
filing date -
Aug 29, 2013
priority date (Note) -
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Abstract
A watchdog apparatus for monitoring ground current is disclosed. A system and method also perform the functions of the apparatus. The watchdog apparatus includes a watchdog signal module that generates a watchdog signal. The watchdog signal is generated at a specific interval and includes an identifiable characteristic. The watchdog signal module is part of a device being monitored for functionality. The apparatus, in some embodiments, includes a signal monitoring module that determines if the watchdog signal includes the identifiable characteristic, and an alert module that sends and alert signal in response to the signal monitoring module determining that the watchdog signal does not include the identifiable characteristic.
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