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Method and system for variable LED output in an electronic device

  • US 7,615,938 B2
  • Filed: 04/06/2005
  • Issued: 11/10/2009
  • Est. Priority Date: 04/06/2005
  • Status: Active Grant
First Claim
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1. A system in an electronic device for emitting light from a light-emitting diode (LED) at a variable brightness, comprising:

  • a waveform generator for generating an LED signal waveform comprised of a plurality of LED signal values; and

    a processing unit for determining a scaling value for one or more LED signal values in the plurality of LED signal values, wherein the scaling value scales the one or more LED signal values based upon a percentage of a particular LED brightness.

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