SINGLE-WIRE DIMMING METHOD
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United States of America Patent
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Issued Date -
Nov 5, 2015
app pub date -
Apr 29, 2015
filing date -
May 2, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A single-wire dimming method is provided in the present invention. The method is adapted for a lamp with a first color light source and a second color light source. The method includes: providing a dimming control interface, wherein the power voltage is chopped when the dimming control interface is operated; dividing a period of the power voltage into a first phase period, a second phase period and a third phase period; chopping the power voltage at the first phase period when a user adjust the dimming control interface to turn on a first color light; chopping the power voltage at the second phase period when a user adjust the dimming control interface to turn on a second color light; chopping the power voltage at the third phase period when a user adjust the dimming control interface to turn on a mix color light, wherein the mix color light is to combine the first color light and the second color light.
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