Power supply for a difficult to start electrodeless lamp

Details Power supply for a difficult to start electrodeless lamp Power supply for a difficult to start electrodeless lamp

1998-04-08

1999-03-23

Wong, Don

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315 39, 315307, 315106, H05B 4116

Patent

active

058864806

ABSTRACT:
A power supply for an electrodeless lamp having an exterior starting electrode and first and second magnetrons coupled to the lamp comprises first and second power sources for being connected to the respective first and second magnetrons; a switch having first and second positions, the first position for disconnecting the second power source from the second magnetron and connecting the output of the second power source to the output of the first power source such that they are added together for being connected to the first magnetron during starting of the lamp, the second position for disconnecting the second power source from the first magnetron and connecting the second power source to the second magnetron after the lamp has started; and a controller adapted to synchronize the starting of the first and second power sources and the starting electrode such that they are turned on at the same time during starting of the lamp.

REFERENCES:
patent: 3780252 (1973-12-01), Crapuchettes
patent: 4620078 (1986-10-01), Smith
patent: 4633140 (1986-12-01), Lynch et al.
patent: 5571439 (1996-11-01), Daley et al.
patent: 5773918 (1998-06-01), Dolan et al.

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