Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Reexamination Certificate
2007-08-28
2007-08-28
Jackson, Stephen W. (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
C361S087000
Reexamination Certificate
active
11323983
ABSTRACT:
A system provides overload protection in power-switching circuitry, whereby current through a switch is controlled by adaptive circuitry. The switch, configured to deliver a current and a voltage, is connected to two current-limiting feedback circuits. The first current-limiting feedback circuit is coupled to the switch and limits the current through the switch based on current measured through the switch. The second current-limiting feedback circuit is configured to shunt current around the first current-limiting feedback circuit as a function of the voltage delivered to the load, which changes the amount of current the switch can deliver to the load.
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Hamilton Brook Smith & Reynolds P.C.
Jackson Stephen W.
Patel Dharti H.
Tellabs Operations Inc.
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