×

Infinity image visual display system

  • US 4,383,740 A
  • Filed: 10/31/1980
  • Issued: 05/17/1983
  • Est. Priority Date: 10/31/1980
  • Status: Expired due to Term
First Claim
Patent Images

1. An infinty image visual display system including an image source,an eyepiece mirror disposed remote from said image source for focussing a transmitted image of said image source located at its focal surface at infinity,means for transmitting said image of said image source from said image source to said focal surface of said eyepiece mirror along a folded, optically offset and non-orthometric path,a concave compound curved projection mirror selectively positioned in axially offset, non-orthometric relation to said image source to receive and reflect an image of said image source toward the focal surface of said eyepiece mirror,only one path-folding beamsplitter disposed in the light path between said visual image source and said eyepeice mirror for cooperatively defining, in association with said selectively positioned projection mirror and image source, said optically offset and non-orthometrically folded image transfer path intermediate said image source and said eyepiece mirror.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×