Watchdog device that provides and interrupts power to a network device in response to a lockup error condition
US7536594B2 · kind B2 · utility
5Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2006 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Jun 1, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/325
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.