Starting capacitor disconnect scheme for a fluorescent lamp

Details Starting capacitor disconnect scheme for a fluorescent lamp Starting capacitor disconnect scheme for a fluorescent lamp

1993-02-08

1994-11-08

Mis, David

Electric lamp and discharge devices: systems

With automatic shunt and/or cutout

Plural load device systems

315125, 315127, 315187, 315240, 315106, H05B 4114, H05B 4136

Patent

active

053630173

ABSTRACT:
A starting capacitor disconnect scheme for a fluorescent lamp system in which each starting capacitor shunts one or more series connected fluorescent lamps until all of the fluorescent lamps are ignited. Following ignition of all fluorescent lamps, each starting capacitor is effectively removed from the ballast. Preconditioning of the fluorescent lamp filaments can be limited to the period of time that one or more lamp loads are shunted by the starting capacitor.

REFERENCES:
patent: 4588924 (1986-05-01), Luursema
patent: 4645976 (1987-02-01), Luursema
patent: 4730147 (1988-03-01), Kroening
patent: 4937498 (1990-06-01), Bolhuis et al.
patent: 4954749 (1990-09-01), Crawford
patent: 5208511 (1993-05-01), Garbowicz
patent: 5243258 (1993-09-01), Garbowicz

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