Method of and apparatus for supplying high frequency alternating

Details Method of and apparatus for supplying high frequency alternating Method of and apparatus for supplying high frequency alternating

1988-01-20

1991-07-23

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural diverse pulsating or a.c. supplies

315176, 315200R, 315209R, 315DIG5, 315DIG7, H05B 3700, H05B 4136

Patent

active

050346601

ABSTRACT:
A method of and apparatus for supplying high frequency alternating current to a fluorescence lamp. For eliminating a so-called striation phenomenon, a direct current component is induced in the high frequency alternating current passing through a lamp (8). The circuit means inducing said direct current component comprise a capacitor (3), connected in series with the lamp and having a diode (4) or the like connected in parallel therewith.

REFERENCES:
patent: 3525900 (1970-08-01), Skirvin et al.
patent: 4234823 (1980-11-01), Charlot
patent: 4277728 (1981-07-01), Stevens
patent: 4362971 (1982-12-01), Sloan
patent: 4417172 (1983-11-01), Touhou et al.

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