Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
Reexamination Certificate
2006-05-23
2006-05-23
Porta, David (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Ultraviolet light responsive means
C359S290000, C385S140000
Reexamination Certificate
active
07049602
ABSTRACT:
The invention provides a radiation sensor including a housing, an attenuator with at least one cavity for attenuating optical radiation, and a detector, as well as an optical attenuator including an attenuator body, an entrance with one multi-stage input opening or plural input openings, and means for transferring radiation inside of the attenuator body and then to a detector. The invention further provides methods for using the radiation sensor or the optical attenuator.
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Alex Ryer, “The Light Measurement Handbook”, Copyright 1997, pp. 1-63.
Buck Christopher A.
Goin Jose A.
Owen Christopher J.
Skirda Anatoly
Slobodyan Viktor
A. Marquez, Esq. Juan Carlos
Fisher Esq. Stanley P.
Porta David
Reed Smith LLP
Rosenberger Frederick F.
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