Electricity: electrical systems and devices – Safety and protection of systems and devices – With manual or automatic opening of breaker and manual reclose
Reexamination Certificate
2008-01-04
2010-06-15
Nguyen, Danny (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With manual or automatic opening of breaker and manual reclose
C361S042000
Reexamination Certificate
active
07738230
ABSTRACT:
A non-volatile status indicator switch is provided. In one embodiment, the invention relates to an aircraft electrical system including a fault detection circuit coupled to a relay, and a fault indicator circuit coupled to the fault detection circuit and to a control input of the relay, wherein the fault indicator circuit includes a nonvolatile memory element, wherein the fault detection circuit is configured to detect a fault and to provide a signal indicative of the fault to the fault indicator circuit, and wherein the fault indicator circuit is configured to respond to the signal indicative of the fault by providing a predetermined control signal to the relay and by storing information indicative of the detection of the fault in the nonvolatile memory element.
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Khan Imtiaz
Mallon Robert C.
Christie Parker & Hale LLP
Leach International Corporation
Nguyen Danny
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