Discharge lamp and lighting equipment

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Plural discharge device loads

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Details

315 46, 315 48, 315178, 315183, H01J 744, H01J 1734, H01J 1978, H01K 162

Patent

active

043215068

ABSTRACT:
A discharge lamp comprises a high pressure arc tube for high pressure and a low pressure arc tube for low pressure which is electrically connected in parallel to said high pressure arc tube in an outer tube.
A lighting equipment comprises a high pressure arc tube for high pressure discharge and a low pressure arc tube for low pressure which is electrically connected in parallel to said high pressure arc tube; and a high frequency lighting starter having 1 KHz to 100 KHz for starting the discharge of said high pressure arc tube.

REFERENCES:
patent: 2017719 (1935-10-01), Inman
patent: 2203550 (1940-06-01), Spanner
patent: 2208998 (1940-07-01), Mey
patent: 2252474 (1941-08-01), Spanner
patent: 2297258 (1942-09-01), Spanner
patent: 3931543 (1976-01-01), Nuckolls
patent: 4082981 (1978-04-01), Morton et al.

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