Corona detection device

Details Corona detection device Corona detection device

2007-03-20

2010-06-08

Hellner, Mark (Department: 3663)

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

Reexamination Certificate

active

07732782

ABSTRACT:
A corona detection device includes a bandpass filter having a primary passband that includes at least wavelengths in the range of about 250 nm to about 400 nm and a secondary passband that includes wavelengths in the range of about 675 nm to about 850 nm. The corona detection device also includes an image intensifier in optical communication with the bandpass filter. The image intensifier is configured to generate an image based on radiation passed through the primary passband and the secondary passband of the bandpass filter.

REFERENCES:
patent: 5886344 (1999-03-01), Forsyth
patent: 6150652 (2000-11-01), Forsyth
patent: 6323491 (2001-11-01), Forsyth
patent: 7022993 (2006-04-01), Williams et al.
patent: 7385681 (2008-06-01), Ninomiya et al.

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