Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Adam Horvath0
Hans Hoschopf0
Date of Patent
April 30, 2013
0Patent Application Number
129379360
Date Filed
April 6, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for operating a controlled illumination apparatus, the illumination apparatus comprising at least one pulse-width modulation (PWM)-controlled LED, the method comprising carrying out a duty cycle sweep of the PWM signal driving the LED while sensing at least one parameter indicative of the power consumption of the LED to compute a curve reflecting the duty-cycle dependency of the power efficiency of the LED.
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