Decorative lighting string with stacked rectification
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United States of America Patent
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-
Oct 2, 2007
Grant Date -
May 3, 2007
app pub date -
Oct 28, 2005
filing date -
Oct 28, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved decorative light string circuit comprises full bridge rectification located in or downstream of the front plug, wherein the rectification circuit contains one or more voltage reducing and/or filtering elements in order to reduce or limit LED drive current and reduce (filter) DC ripple and 1 or 2 LED series sets. Additional rectification circuits and LED series sets can be added in parallel to the first in 'stacked mode', with each rectification circuit and LED series set electrically independent of prior and subsequent circuits. This eliminates the rectifying diode current summation load restrictions imposed by prior art and associated safety hazard due to diode overheating.
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Cited Art Landscape
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