US Patent 7196481 Method and drive circuit for controlling LEDs
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Patent Inventor Names
Christopher Brian Taylor Latham0
Timothy George Bushell0
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Patent abstract
A method and control circuit are disclosed for controlling light emitting diodes (“LEDs”). Based upon the LED's current versus intensity characteristic and temperature versus intensity characteristic, the rate of change of LED output intensity with respect to current is calculated. Adjusting LED current to provide zero rate of change ensures that LED output is maximised.
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US Patent 07196481 Method and drive circuit for controlling LEDs US Patent 7196481 Method and drive circuit for controlling LEDs
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Patent Number
07196481
Patent Number
7196481
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Official Website
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US Patent 07196481 Method and drive circuit for controlling LEDs
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Is a
Patent jurisdiction
Patent number
07196481
Date of patent
March 27, 2007
Patent application number
10954377
Date Filed
September 29, 2004
Patent primary examiner
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