Circuit arrangement and method for detecting the state of a...

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means

Reexamination Certificate

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C361S018000

Reexamination Certificate

active

07742267

ABSTRACT:
There is described circuit arrangement which comprises a protection element. A state of the protection element is determined in a simple and safe manner by means of a detection unit and a specification unit, in addition to an evaluation unit.

REFERENCES:
patent: 6490141 (2002-12-01), Fischer et al.
patent: 6628485 (2003-09-01), Rajala et al.
patent: 2004/0246644 (2004-12-01), Sato et al.
patent: 89 13 708 (1990-01-01), None
patent: 0449262 (1991-10-01), None

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