Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate
2008-05-30
2010-12-07
Porta, David P (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
Reexamination Certificate
active
07847256
ABSTRACT:
A system is provided for detecting when an enclosure having a body and a removable cover is opened. The system comprises a light source for generating a light beam, a light detector for detecting the light beam, and at least one reflector all mounted inside the enclosure. The reflector reflects the light beam along a predetermined pathway toward the light detector when the removable cover is closed over the body.
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Jang Seok-Joo
Kaplan Daniel J.
Mann Brooks S.
Thompson Louis
Ward Terrence G.
GM Global Technology Operations Inc.
Ingrassia Fisher & Lorenz P.C.
Malevic Djura
Porta David P
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