Electric lamp and discharge devices – With gas or vapor – Having particular electrode structure
Patent
1998-10-02
2000-12-05
Patel, Ashok
Electric lamp and discharge devices
With gas or vapor
Having particular electrode structure
315248, 315344, 313491, 313161, H01J 1704
Patent
active
061571296
ABSTRACT:
The discharge lamp comprises a piezotransformer and at least one of the lamp electrodes comprises a secondary side of the piezotransformer. Since the piezotransformer functions as a lamp electrode, as a ballast choke and as a transformer, the discharge lamp can be operated by means of a relatively simple and cheap ballast circuit.
REFERENCES:
patent: 5291091 (1994-03-01), Eggink et al.
patent: 5349271 (1994-09-01), Van Od et al.
patent: 5834907 (1998-11-01), Takehara
Dannert Horst
Leers Dieter
Lohn Klaus
Ossmann Martin
Rausenberger Bernd
Faller F. Brice
Patel Ashok
U.S. Philips Corporation
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