H - Electricity – 02 – M
Patent
H - Electricity
02
M
315/53, 321/89
H02M 7/08 (2006.01) H05B 41/16 (2006.01)
Patent
CA 1089011
Abstract of the Disclosure Electrical ballast circuit for operating gaseous dis- charge lamps with direct current. An inductive reactor coil connected to an alternating current source is connected to a discharge lamp via a full-wave rectifier, and an auxiliary induction coil inductively coupled to the reactor coil is connected to the discharge lamp via another full-wave recti- fier, resulting in the currents from the respective rectifiers to the lamp being out of phase with one another, thereby raising the average current through the lamp and the voltage across the lamp to prevent lamp de-ionization and reduce lamp re-ignition voltage. Series connected capacitors may be incorporated in the circuit to increase the starting voltage on the lamp if necessary.
279737
Company General Electric
Eckersley Raymond A.
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