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LIGHTING SYSTEM WITH TRAFFIC MANAGEMENT CAPABILITIES

  • US 20100194595A1
  • Filed: 06/18/2008
  • Published: 08/05/2010
  • Est. Priority Date: 06/18/2007
  • Status: Active Grant
First Claim
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1. A method for controlling traffic signalling, comprising:

  • providing a traffic light with a visible-light source emitting visible light and having a function of actuating alternately at least two different traffic signal states for traffic signalling;

    driving the visible-light source to emit light in a traffic signal state in a predetermined mode, with visible light in the predetermined mode being emitted so as to be visible to an unaided human eye;

    receiving a reflection/backscatter of the emitted visible light from an object;

    identifying at least one of a presence and a position of the object as a function of the reflection/backscatter received and of the predetermined mode; and

    controlling said traffic signal states actuated by the visible-light source as a function of the at least one of the presence and the position of the object.

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