Ballast circuit having electromagnetic interference (EMI) reduci

Details Ballast circuit having electromagnetic interference (EMI) reduci Ballast circuit having electromagnetic interference (EMI) reduci

1983-12-19

1986-01-28

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Plural discharge devices and/or rectifiers in the supply...

315DIG5, 315DIG7, 315127, 333181, 363 40, 363 44, 363 46, H05B 3700, H05B 3900, H05B 4114

Patent

active

045674043

ABSTRACT:
Various circuit embodiments for reducing the electromagnetic interference (EMI) typically created by a ballast circuit for an improved lighting unit is disclosed. The EMI reducing circuit adapts the operation of the source of the EMI of the ballast circuit to the conductive states of the rectifier means of the improved lighting unit.

REFERENCES:
patent: 3982173 (1976-09-01), Berry et al.
patent: 3987356 (1976-10-01), Steigerwald
patent: 4176310 (1979-11-01), Elenga et al.
patent: 4350930 (1982-09-01), Peil et al.
patent: 4412279 (1983-10-01), Franklin

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