Powering internal components of LED lamps using dissipative sources
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Apr 26, 2017
filing date -
Sep 15, 2014
priority date (Note) -
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Abstract
An LED lamp comprises one or more LEDs and an LED driver receiving an input signal from a dimmer switch indicative of an amount of dimming for the LED lamp. The LED driver controls regulated current through the one or more LEDs based on the input signal such that an output light intensity of the one or more LEDs substantially corresponds to the amount of dimming for the LED lamp. A regulated output provides operating power for the LED driver. A controller regulates the regulated output to power the LED driver. The controller selects a power source for charging the regulated output from two or more power sources, and the regulated output is charged using the power source selected by the controller.
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