Power conversion unit and method of providing power to a window covering
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United States of America Patent
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N/A
Issued Date -
Aug 12, 2004
app pub date -
Oct 16, 2003
filing date -
Oct 17, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power conversion unit and a method of providing power to a powered movable window covering using a conversion circuitry with a transformer to obtain relatively low voltage supply from main supply, the method including (a) providing in the conversion circuitry a snubber circuit for the transformer, the snubber circuit absorbing power from the transformer and supplying power absorbed from the transformer back to the conversion circuitry such that heat generation from the conversion circuitry with the transformer is minimised and (b) mounting the conversion circuitry in the headrail of the window covering so as to reduce the overall size of the window covering.
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Family
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