Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Radiant energy controlled regulation of the current supply...
Reexamination Certificate
2011-04-12
2011-04-12
Owens, Douglas W (Department: 2821)
Electric lamp and discharge devices: systems
With radiant energy sensitive control means
Radiant energy controlled regulation of the current supply...
C315S291000
Reexamination Certificate
active
07923935
ABSTRACT:
A lighting fixture (1010) has a fluorescent tube (1012) and a plurality of emitters (1022-1032). A color sensor (1016) detects light that has been totally internally reflected within a diffuser (1014) and provides a color feedback signal to a feedback control circuit (1020) to control the light output from the fixture (1012).
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Anderson Keith
Archenhold Geoffrey Howard Gillet
A Minh D
Owens Douglas W
Polster Lieder Woodruff & Lucchesi L.C.
Radiant Research Limited
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