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Method and apparatus for applying light therapy

  • US 7,850,720 B2
  • Filed: 09/18/2007
  • Issued: 12/14/2010
  • Est. Priority Date: 09/23/2006
  • Status: Expired due to Fees
First Claim
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1. A portable light device for treating a subject with light comprising:

  • a light source emitting light pulses at a plurality of predetermined intensities, repetition rates, duty cycles and durations, wherein said light source is mounted to direct said light pulses onto said subject; and

    ;

    a controller for modulating the intensities, repetition rates, duty cycles and durations of said light pulses.wherein said predetermined pulse repetition rates are stepped in a series of steps between an upper pulse repetition rate chosen between around 92 kHz to around 73 kHz and a lower pulse repetition rate chosen between around 76 kHz to around 64 kHz;

    wherein a particular intensity between around 9000 lux to around 15,000 lux controlled by duty cycle is provided for each of said steps;

    and wherein, each of said steps has a duration of from around 2 minutes to around 6 minutes.

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