Electric lamp and discharge devices: systems – Current and/or voltage regulation
Patent
1993-06-08
1994-09-27
Lee, Benny
Electric lamp and discharge devices: systems
Current and/or voltage regulation
315324, 315DIG4, 315307, 362257, 348655, G05F 100
Patent
active
053509773
ABSTRACT:
A luminaire of variable color temperature is arranged for emitting blended color light from luminaire section, with color temperature control signals so transmitted from control section to luminaire-lighting section as to substantially equalize respective differences in reciprocal color temperatures of respective two adjacent stages of the color temperature control signals, to thereby render blended state of emission colors to be variable and a dimming of the blended color light to be realized with the color temperature gradually varied in smooth manner.
REFERENCES:
patent: 4686575 (1987-08-01), Shimada et al.
patent: 4742387 (1988-05-01), Oshima
Gotoh Shigeo
Hamamoto Katunobu
Lee Benny
Matsushita Electric & Works Ltd.
Philogene Haissa
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