Ballast having a resonant feedback circuit for linear diode operation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 8, 2000
Grant Date -
N/A
app pub date -
Apr 30, 1999
filing date -
Apr 30, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit, such as a ballast circuit, includes a resonant feedback signal from an inverter that provides substantially linear operation of rectifying diodes. In one embodiment, capacitors coupled in series with respective lamps resonate with a first winding of a feedback transformer so as to generate a feedback signal on a second winding of the transformer. The feedback signal is effective to produce substantially linear operation of the rectifying diodes.
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