CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING AT LEAST ONE LED
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United States of America Patent
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Issued Date -
Jan 24, 2013
app pub date -
Nov 24, 2010
filing date -
Mar 23, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A circuit arrangement for operating an LED may include a switching controller with an output for coupling to the LED; a short-circuiting switch with a control electrode, it being possible for the short-circuiting switch to be connected in parallel with an LED; and a control device with a radiation signal input for supplying a radiation signal and a first output, which is coupled to the control electrode of the short-circuiting switch; wherein the switching controller includes a start/stop input for starting the switch controller, it being possible for the control device to furthermore include a second output which is coupled to the start/stop input of the switching controller, it being possible for the control device to be designed to supply a start/stop signal at its second output for starting and stopping the switching controller depending on the radiation signal.
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