Operating circuit for an inductively ballasted arc discharge lam

Details Operating circuit for an inductively ballasted arc discharge lam Operating circuit for an inductively ballasted arc discharge lam

1996-02-12

1999-04-20

Wong, Don

Electric lamp and discharge devices: systems

Plural power supplies

Discharge device and/or rectifier in one of the supply circuits

315172, 315DIG5, 315289, H05B 3700

Patent

active

058960139

ABSTRACT:
Ballast circuitry for a metal halide lamp is disclosed enabling sustained operation with a typical 120 volt AC power source. A novel auxiliary circuit network is operatively associated with inductive type starting circuit means to provide lamp reignition when needed during each half-cycle of the AC power supply. The present auxiliary circuit network employs breakover switching means connected in series with capacitor storage means for further connection across the operating discharge lamp.

REFERENCES:
patent: 3866088 (1975-02-01), Kaneda et al.
patent: 4353011 (1982-10-01), Kaneda
patent: 4484107 (1984-11-01), Kaneda
patent: 4890041 (1989-12-01), Nuckolls et al.

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