System for optically detecting an electrical arc in a power...

Details System for optically detecting an electrical arc in a power... System for optically detecting an electrical arc in a power...

2007-05-18

2009-08-25

Lee, John R (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C361S002000, C361S042000

Reexamination Certificate

active

07579581

ABSTRACT:
A system for optically detecting an electrical arc in a power supply. The system includes a light pipe, a photodetector optically coupled to the light pipe, and a signal processor connected to the photodetector.

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patent: 2007/0023618 (2007-02-01), Viehmann
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patent: 2000245168 (2000-09-01), None
patent: 2000346705 (2000-12-01), None
patent: WO 02/21657 (2002-03-01), None
patent: WO 2005/027160 (2005-03-01), None

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