G - Physics – 02 – F
Patent
G - Physics
02
F
315/19, 345/59
G02F 1/13 (2006.01) H05B 37/02 (2006.01)
Patent
CA 2015883
A B S T R A C T A lighting system is described having an electronic means for controlling the colour, colour temperature, magnification and focus in response to predetermined signals from a computerized system. A wide spectrum light beam having a wavelength of from 380 nm to 700 nm is passed through a heat absorbing condenser to control the predetermined colour temperature thereof and said portion of the beam is separated into a first colour beam having a wavelength of from 445 nm to 450 nm, a second colour beam having a wavelength of from 555 nm to 570 nm and a third colour beam having a wavelength of from 525 nm to 535 nm. The separated colour beams are maintained at substantially equal focal length and the intensity of the respective colour beams varied in response to an electronic signal. The colour beams are then combined to form a composite beam of predetermined colour. The colour and intensity of the resulting beam is thereby more accurately predetermined.
Gowling Lafleur Henderson Llp
Shields Gary A.
LandOfFree
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