Ballast circuits for discharge lamps
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United States of America Patent
Stats
-
May 26, 1992
Grant Date -
N/A
app pub date -
Apr 16, 1990
filing date -
Apr 14, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ballast circuit for the operation of a discharge lamp includes a bridge rectifier. A capacitive energy storage device and a load circuit are connected in series across the bridge rectifier. A charge circuit provides charge to the capacitive energy storage from the load circuit in a potential so as to add to the potential from the outlet of the bridge rectifier.
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