Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load
Patent
1994-10-26
1996-10-01
Pascal, Robert
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Induction-type discharge device load
315291, 315307, 31511121, 315DIG4, H05B 4116
Patent
active
055613519
ABSTRACT:
An arrangement for adjusting the intensity of an electrodeless discharge lamp is described. In one embodiment the high-frequency signal delivered to the induction coil is interrupted during a predetermined portion of a full duty cycle. This function is provided by a dimmer control unit which may be in an analog or digital form and may respond to a control signal provided by a potentiometer, a three-way lighting fixture or an addressable, remote controlled interface with data transmitted over the power lines or over a radio or infrared communication channel. In another embodiment the dimmer control unit alters the amplitude of the high-frequency signal supplied to the lamp's induction coil.
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Bray Derek
Lincoln Larry A.
Pezzolo Donald E.
Pfeiffer James W.
Siao Roger
Diablo Research Corporation
Pascal Robert
Philogene Haissa
Steuber David E.
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