Protection circuit for limiting operating power of...

Details Protection circuit for limiting operating power of... Protection circuit for limiting operating power of...

2011-06-07

2011-06-07

Fureman, Jared J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

Reexamination Certificate

active

07957112

ABSTRACT:
A protection circuit limits operating power supplied to an electrical device from an electrical power source below a predetermined power rating. The protection circuit comprises a switching device for adjusting electrical power supplied from the power source to the electrical device; a sensor sensing a parameter relating to the operating power; and a comparator comparing the parameter sensed by the sensor and, in response to identifying an undesirable operating condition, controlling the switching device to adjust electrical power supplied to the electrical device to below a predetermined power rating.

REFERENCES:
patent: 4771357 (1988-09-01), Lorincz et al.
patent: 5815351 (1998-09-01), Ashok et al.
patent: 6249411 (2001-06-01), Hemena et al.
patent: 2004/0070908 (2004-04-01), Corcoran et al.
patent: 2008/0043384 (2008-02-01), Chu

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