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CRT magnifying lens attachment and glare reduction system

  • US 4,577,928 A
  • Filed: 07/02/1985
  • Issued: 03/25/1986
  • Est. Priority Date: 04/21/1983
  • Status: Expired due to Term
First Claim
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1. An optical element for magnifying and enhancing the image projected from a screen and for reducing glare produced by light generated externally of said screen and reflected from said screen, comprising:

  • at least one fresnel lens supported adjacent said screen for magnifying the image generated by said screen;

    a laminated light filter supported adjacent and parallel to said fresnel lens for reducing said glare and for enhancing said image;

    said laminated light filter having a first element to retard said light generated externally and passing therethrough;

    a second element positioned parallel to and adjacent said first element to vary the color of the image projected from said screen; and

    a third element positioned parallel to and adjacent said first and second element to capture said retarded light preventing said light from exiting said filter;

    whereby said glare is reduced and said images magnified and enhanced.

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