H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/40 (2006.01) H01J 61/92 (2006.01) H05B 41/392 (2006.01)
Patent
CA 2089190
COMPACT FLUORESCENT LAMP SYSTEM ABSTRACT OF THE DISCLOSURE A compact low-pressure gas discharge lamp assembly includes a base and a plurality of low-pressure gas discharge light generating elements mounted to the base. Each of the light generating elements is capable of being individually energized. A ballast circuit is provided which is capable of supplying electrical energy to a variable number of the low pressure gas discharge lighting elements. A three-way switch has an input connected with the ballast circuit and two outputs. Each output is connected with a different light generating element. The switch connects one of the outputs with the ballast circuit in a first switch position and another one of the outputs with the ballast circuit in a second switch position. Both of the outputs are connected with the ballast circuit in a third switch position. The ballast circuit includes an oscillator that oscillates at a frequency that varies as a function of the number of light generating elements connected by the switch to the ballast circuit.
Geary Brian P.
Perkins Rick Alan
Borden Ladner Gervais Llp
Progressive Technology In Lighting Inc.
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