Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate
2007-07-12
2011-10-25
Porta, David (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
C250S338100, C250S338400, C250S347000
Reexamination Certificate
active
08044355
ABSTRACT:
According to one embodiment of the present invention, a system for viewing an area includes a dewar and an optical system positioned within the dewar. The dewar permits operation of the flux detector at cryogenic temperatures, in some embodiments. The optical system includes an infrared radiation system capable of focusing one or more light beams. The inclusion of the optical system within the cryogenic space of the dewar allows reduction of the overall system length and weight, if desired.
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Black Stephen H.
Gibbons Robert C.
Mullins Richard N.
Baker & Botts L.L.P.
Bryant Casey
Porta David
Raytheon Company
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