×

Electronically steerable light output viewing angles for traffic signals

  • US 6,323,781 B1
  • Filed: 08/22/2000
  • Issued: 11/27/2001
  • Est. Priority Date: 08/22/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A steerable solid state light apparatus, comprising:

  • a light apparatus including an array of solid state light sources generating a light beam;

    optics disposed over each said solid state light source, and a control circuit individually electronically controlling the drive current of each solid state light source such that, in combination with said optics, said control circuit selectively adjusts a beam orientation of the light beam.

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