Illumination – Curvilinear light source
Reexamination Certificate
2006-10-07
2008-08-26
Tso, Laura (Department: 2875)
Illumination
Curvilinear light source
C362S800000, C362S244000, C362S249070
Reexamination Certificate
active
07416312
ABSTRACT:
A multi-color lighting device30capable of emitting light of at least two colors. A group9of LED lamps comprising a variety of colors each color having a plurality of LED lamps disposed in an equiangular array. The color of the emitted light selected by a circuit having a schematic16and a switch6, which selectively energizes lamps of the desired color. Each color of emitted light is refracted by a light converging lens1which surrounds group9of LED lamps and concentrates the light emitted by the energized lamps to intensify the light emitted by the lighting device toward an elongated output beam having a specification vertical beam width smaller than a specification azimuth. Switch6selectively energizes each plurality of lamps representing each color within the group to an established and usually substantially fixed power level. The established power level for each color is established as adequate when light emitted from the lighting device of that color meets a required photometric specification.
REFERENCES:
patent: 4677533 (1987-06-01), McDermott
patent: 5224733 (1993-07-01), Simsic
patent: 5577832 (1996-11-01), Lodhie
patent: 5899557 (1999-05-01), McDermott
patent: 6048083 (2000-04-01), McDermott
patent: 6905228 (2005-06-01), Takeyasu et al.
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