Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2007-05-08
2007-05-08
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S458100, C250S302000, C382S103000, C382S141000
Reexamination Certificate
active
10384037
ABSTRACT:
A method of detecting a non-fixed object in a system (12) includes applying a light emitting or generating substance to multiple objects. The objects are illuminated with an object illuminator (13). At least one of the objects (10) is determined to be a nonmember within a known pattern of objects and is identified to be a non-fixed object in response to illumination of the objects.
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Benfer Greg L.
Clayton John C.
Fitts John D.
Johnson Lynn E.
Speno Frank G.
Luu Thanh X.
Ostrager Chong & Flaherty & Broitman P.C.
The Boeing Company
Yam Stephen
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