Measuring and testing – Fluid pressure gauge – Photoelectric
Reexamination Certificate
2009-02-13
2010-10-05
Allen, Andre J (Department: 2855)
Measuring and testing
Fluid pressure gauge
Photoelectric
C361S024000
Reexamination Certificate
active
07806000
ABSTRACT:
The present invention is directed to a sensor for detecting arcing faults, the sensor combining a photodetector, a pressure detector, and an accelerometer along with integrated circuitry. The circuitry controls each detector, operates the self-test circuitry, conditions the signals from the detectors, and communicates with the external network. The circuitry receives commands from the network and transmits the output decision from the sensor.
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Fowler Kim R.
Land, III H. Bruce
Ahmad Aisha
Allen Andre J
The Johns Hopkins University
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