Electric lamp and discharge devices: systems – Current and/or voltage regulation – Keyboard operated or pattern controlled regulator
Reexamination Certificate
2006-03-22
2010-06-08
Tran, Thuy Vinh (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Keyboard operated or pattern controlled regulator
C315S324000
Reexamination Certificate
active
07733033
ABSTRACT:
In a lighting unit for operating lamps (LA1, LA2) of a different color temperature, a number of predetermined color points can be adjusted. The color points are chosen so that the color difference calculated in the CIELAB space is the same for subsequent adjustable color points.
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patent: 0044205 (2000-07-01), None
Baaijens Hans
Payne David Copplestone
Potze Willem
Thursfield Paul Philip
Koninklijke Philips Electronics , N.V.
Tran Thuy Vinh
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