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MICRO-OPTICAL BEAM-FORMING ARRAY FOR PROJECTING IMAGES OF A DIVERGENT ISOTROPIC CLOUD OF LIGHT POINTS, PRIMARILY FOR THE ENTERTAINMENT SECTOR

  • US 20100002280A1
  • Filed: 01/16/2008
  • Published: 01/07/2010
  • Est. Priority Date: 01/25/2007
  • Status: Active Grant
First Claim
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1. :

  • Beam-forming array for the projection of a divergent isotropic cloud, comprising a source (4) for emitting electromagnetic radiation, a pick-up or connection possibility for an energy source (2), an electric or electronic component (5) and an optical unit (6) for the modulation of the radiation emitted by the semiconductor diode laser (4), whereby the optical unit (6) and the radiation source (4) are contained in a housing (1), whereinthe optical unit (6) comprises at least two grid-shaped spectral films placed on top of each other or out of phase or of a diffractive optical element,the optical unit (6), limits the divergently emitted beams in its intensity and in the distance of the light-point beams to one another at a certain value which does not represent a hazard for the human eye, whereby the power of a light-point beam ≦

    1 mW and,the radiation source (4) is a semiconductor diode with a power of at least 5 mW, preferably 10 mW to 500 mW.

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