Isolated constant wattage lamp ballast

Details Isolated constant wattage lamp ballast Isolated constant wattage lamp ballast

1994-06-09

1996-03-05

Neyzari, Ali

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

315278, 336148, 336183, H05B 4114

Patent

active

054970520

ABSTRACT:
A constant wattage ballast transformer of the isolated type permitting the electrical grounding of a mounting shell of the lamp it powers in which a primary, secondary and auxiliary winding are provided with the primary winding inducing voltage into the auxiliary and secondary windings while being electrically isolated from both these windings and the auxiliary winding electrically connected to the secondary winding to add its induced voltage to that directly induced in the secondary winding from the primary winding.

REFERENCES:
patent: 2960624 (1960-11-01), Strecker
patent: 3089980 (1963-05-01), Neusbaum
patent: 3611026 (1971-10-01), Crawford
patent: 3771068 (1973-11-01), Paget et al.
patent: 4101806 (1978-07-01), Alley

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