Electric lamp and discharge devices: systems – Condenser in the supply circuit – Electric switch in the condenser circuit
Patent
1996-04-30
1997-09-02
Pascal, Robert
Electric lamp and discharge devices: systems
Condenser in the supply circuit
Electric switch in the condenser circuit
315320, 315282, 315291, 315DIG4, H05B 3700
Patent
active
056636121
ABSTRACT:
An apparatus for dimming a discharge lamp is provided which comprises an electromagnetic regulator. The electromagnetic regulator has a primary winding connected to an AC power supply, a secondary winding connected to the lamp, and a tertiary winding. A capacitor is selectively connected to a tap on the tertiary winding via a switching device for dimming purposes.
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Philips Lighting, "IFS 800 Lighting Control System" Oct. 1990.
RUUD Lighting, "There's One System that Makes Two Level Lighting Simple" 1993.
'Hubbell Incorporated
Longanecker Stacey J.
Pascal Robert
Philogene Haissa
Presson Jerry M.
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