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Method and system for controlling a light source

  • US 6,576,881 B2
  • Filed: 04/06/2001
  • Issued: 06/10/2003
  • Est. Priority Date: 04/06/2001
  • Status: Expired due to Fees
First Claim
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1. A method for controlling a light output illuminating from a luminary including at least one light emitting diode, said method comprising:

  • sensing a first set of tri-stimulus values of the light output;

    transforming said first set of tri-stimulus values into a second set of tri-stimulus values, said second set of tri-stimulus values being representative of a standard calorimetric system; and

    controlling the light output as a function of the second set of tri-stimulus values.

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