Monitoring device for power supplies

Details Monitoring device for power supplies Monitoring device for power supplies

2006-07-04

2006-07-04

Leja, Ronald (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

Reexamination Certificate

active

07072160

ABSTRACT:
A monitoring or watchdog unit (UWE) for a current or voltage supply system, wherein a supply voltage is taken across at least one cut-out safeguard to two or more outputs, the at-least one cut-out safeguard device configured as a controlled switch device and the watchdog unit providing a cut-out signal to the at-least one controlled switch device upon changes in a voltage or current exceeding a predetermined tolerance value.

REFERENCES:
patent: 4914542 (1990-04-01), Wagoner
patent: 4937697 (1990-06-01), Edwards et al.
patent: 5818670 (1998-10-01), Ahn
patent: 6157089 (2000-12-01), Xu
patent: 197 03 236 (1998-07-01), None
patent: 299 09 206 (2000-10-01), None

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