×

Constant temperature light emitting diode lighting system

  • US 8,643,285 B2
  • Filed: 01/14/2012
  • Issued: 02/04/2014
  • Est. Priority Date: 01/14/2012
  • Status: Expired due to Fees
First Claim
Patent Images

1. A light emitting diode lighting system comprising:

  • (a) at least one light emitting diode;

    (b) a power supply; and

    (c) a closed feedback loop connected between an output and a first input of a comparator pertaining to controlling operating temperature of said light emitting diode to oscillator around a predetermined value, said first input is coupled to an output of a temperature sensor pertaining to measuring temperature of said light emitting diode, said predetermined value is set by a second input of the comparator, said second input is coupled to an ambient temperature sensor.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×