Discharge lamp starter

Details Discharge lamp starter Discharge lamp starter

1982-09-29

1984-07-24

Laroche, Eugene R.

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Plural cathodes or heaters in the load device

315104, 315290, 337 23, H05B 4106

Patent

active

044619766

ABSTRACT:
A discharge lamp starting device employing a thermal switch which comprises main and auxiliary bimetal electrodes respectively thermally bendable in the same direction, and an auxiliary heater for heating the auxiliary bimetal electrode in addition to a main heater for the main bimetal electrode. The auxiliary heater is energized to heat the auxiliary electrode upon a starting failure specifically when the discharge lamp is to be lighted again immediately after its extinguishment, whereby the auxiliary electrode is forced to bend toward the main electrode and a re-closing of the thermal switch and eventual lamp starting can be accelerated.

REFERENCES:
patent: 2236697 (1941-04-01), Peters
patent: 2313575 (1943-03-01), Peters
patent: 2936403 (1960-05-01), Knobel

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