Illumination control system for light emitters

Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Radiant energy controlled regulation of the current supply...

Reexamination Certificate

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Details

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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patent: 6445139 (2002-09-01), Marshall et al.
patent: 6781647 (2004-08-01), Fujieda
patent: 6848820 (2005-02-01), Natsume
patent: 2001/0024112 (2001-09-01), Jacobs et al.
patent: 2004/0113044 (2004-06-01), Ishiguchi
patent: 1156271 (2001-11-01), None
patent: 2097909 (1982-11-01), None

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