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Laser image projection system with safety means

  • US 5,117,221 A
  • Filed: 08/16/1990
  • Issued: 05/26/1992
  • Est. Priority Date: 08/16/1990
  • Status: Expired due to Fees
First Claim
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1. An image projection system for use at a venue having a field onto which an image is to be projected thereby, said system comprising laser means and control means for generating and projecting said image onto said field, said projection system additionally comprising a safety override means coupled to said control means for determining if a living being is approaching said field and for providing an electrical signal so that said image may be terminated in response thereto, said safety override means comprising means for establishing an enclosure, with an area larger than said field, around the periphery of said field and for providing said electrical signal should a living being traverse said enclosure.

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