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Stochastic signal density modulation for optical transducer control

  • US 20080111503A1
  • Filed: 11/13/2006
  • Published: 05/15/2008
  • Est. Priority Date: 11/13/2006
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a controllable current supply coupled to a light-emitting diode; and

    a controller coupled to the controllable current supply, wherein the controller is configured to provide a stochastic control signal to the controllable current supply, the stochastic control signal having a selected stochastic signal density to control a light intensity output of the light-emitting diode.

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