Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2008-10-27
2011-12-06
Luu, Thanh X (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S207000, C313S1030CM
Reexamination Certificate
active
08071932
ABSTRACT:
A sealing structure for an optical device, such as an image intensifier device, is provided. The optical device includes an evacuated housing and an anode positioned within the evacuated housing. An interior sealing member extends from the anode. An exterior sealing member extends from a component of the image intensifier device, wherein the exterior sealing member is positioned to extend adjacent to and substantially parallel with the interior sealing member such that a gap is defined between the sealing members. A seal cup is positioned for sealing engagement with both the interior sealing member and the exterior sealing member to substantially maintain a vacuum condition within the housing.
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Brown Benjamin Ryan
Garris William Eric
Richards David Anthony
Thomas Nils Ian
Bennett Jennifer
ITT Manufacturing Enterprises Inc.
Luu Thanh X
RatnerPrestia
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