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Optical coupler for transmitting light linearly between a single point and plural points

  • US 3,932,023 A
  • Filed: 11/18/1974
  • Issued: 01/13/1976
  • Est. Priority Date: 11/18/1974
  • Status: Expired due to Term
First Claim
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1. An optical coupler comprising a body having a hollow spherical interior surface, a photoreceptor mounted in the body with a light-receiving window on the surface of the sphere, and a plurality of light sources on the surface of the sphere, each light source being located equidistant from a point on the sphere diametrally opposed from said light-receiving window and aimed at said light-receiving window whereby light transmitted through the sources into the sphere linearly actuates said photoreceptor.

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