Discharge lamp with secondary ignition electrode

Details Discharge lamp with secondary ignition electrode Discharge lamp with secondary ignition electrode

1997-07-30

1999-12-28

Day, Michael

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

313113, 313607, 313234, 362263, H01J 1744, H01J 6154

Patent

active

060085835

ABSTRACT:
A discharge lamp includes a lamp tube containing a noble gas, two internal electrodes, and a secondary electrode disposed outside and close to the surface of the lamp tube. In one embodiment, studs are disposed on the lamp tube so as to affix the secondary electrode. In an alternate embodiment, a reflector includes an indentation pointing toward the lamp tube and configured as the secondary ignition wire.

REFERENCES:
patent: 3692994 (1972-09-01), Hirschman et al.
patent: 3733599 (1973-05-01), Fantozzi
patent: 4001624 (1977-01-01), Cosco et al.
patent: 4004189 (1977-01-01), Cosco et al.
patent: 4342940 (1982-08-01), Mrusko et al.
patent: 4785216 (1988-11-01), Roberts et al.
patent: 4941070 (1990-07-01), Ogawa et al.

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