Ballast circuit with independent lamp control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 24, 2000
Grant Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Oct 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ballast circuit includes a rectifier for coupling to independent first and second AC input signals, a first inverter for energizing a first lamp and a second inverter for energizing a second lamp. A boost converter can be coupled between the rectifier and the inverters. The first inverter is enabled when the first AC input signal is applied to the rectifier and the second inverter is enabled when the second AC input signal is present.
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Family
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Cited Art Landscape
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