Watchdog device that provides and interrupts power to a network device in response to a lockup error condition
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United States of America Patent
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May 19, 2009
Grant Date -
Jan 3, 2008
app pub date -
Mar 22, 2006
filing date -
Mar 25, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a stand-alone video recording, playback and Monitoring system. It has network switches, non-volatile storage devices, IP cameras, video servers, and NTSC cameras. The system uses communication channels that are WAN/LAN based and can be hard-wired or wireless and has a flexibly implemented watchdog to detect, for example, hardware and power failure as well as other failures in the system.
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