Switch mode energy recovery for electro-luminescent lamp panels
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United States of America Patent
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Oct 1, 2002
Issued Date -
N/A
app pub date -
Mar 1, 2001
filing date -
Mar 1, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
High voltage and low voltage switch mode circuits and methods serve to recover the charge stored on electro-luminescent lamp panels that would otherwise be dissipated during the discharge cycle of a drive circuit. The high voltage circuits and methods operate to transfer the charge to the high voltage rail, while the low voltage circuits and methods operate to transfer the charge to the source of low drive voltage.
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