Electric lamp and discharge devices: systems – Regulation of the control current and/or potential applied...
Patent
1997-04-10
2000-03-28
Kinkead, Arnold
Electric lamp and discharge devices: systems
Regulation of the control current and/or potential applied...
315307, 315291, 315DIG4, H05B 3702, H05B 41392
Patent
active
060436115
ABSTRACT:
A compact flourescent lamp in which the level of illumination is controlled by a triac dimmer. Premature turn off of the triac dimmer is avoided through the serial combination of at least one resistor and at least one capacitor forming a snubber placed across the output of the electromagnetic interference filter of the compact flourescent lamp ballast. The snubber dampens oscillations generated within the compact flourescent lamp whereby sufficient power is drawn by the compact flourescent lamp to sustain conduction of the triac dimmer throughout the dimming range of the latter.
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Gradzki Pawel M.
Janczak Jerzy
Kinkead Arnold
Philips Electronics North America Corporation
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