Arc discharge lamp starting device

Details Arc discharge lamp starting device Arc discharge lamp starting device

1980-05-23

1982-02-02

La Roche, Eugene

Electric lamp and discharge devices: systems

Surge generator or inductance in the supply circuit

315 47, 315 73, 315DIG2, 337 26, H05B 4118, H01J 6156

Patent

active

043141811

ABSTRACT:
Disclosed is an arc discharge lamp starting device which comprises a starting aid circuit connected in parallel to an arc tube and disposed within an outer envelope. This starting aid circuit comprises a thermal switch, a heater and a resistor. This thermal switch includes contact rods having a high melting point and a small work function and a bimetal plate.
In this arc discharge lamp starting device, since the time of duration of the chattering phenomenon caused between the contact rods is very long, the arc discharge lamp can be started assuredly by this starting device.

REFERENCES:
patent: 3740686 (1973-06-01), Jarrige et al.
patent: 4135114 (1979-01-01), Narikiyo

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