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Image splitter for two-way imaging apparatus

  • US 4,821,307 A
  • Filed: 02/10/1987
  • Issued: 04/11/1989
  • Est. Priority Date: 02/10/1987
  • Status: Expired due to Term
First Claim
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1. Apparatus for generating selectively a manifestation indicative of a first or second image, comprising:

  • (a) image sensing means to receive one of said first and second images to provide a corresponding manifestation thereof;

    (b) means for illuminating selectively one of said first and second images, said illuminating means illuminating said second image with a greater intensity than said first image; and

    (c) an image splitter disposed between said first and second images for selectively directing along a first path one of said first and second images depending upon which is illuminated by said illuminating means, said image splitter having a first surface for receiving via a second path incident therewith said first image an for transmitting said first image therethrough to be directed along said first path onto said image sensing means, and a second surface for receiving said second image along a third path incident therewith and for reflecting said second image along said first path onto said image sensing means, said image splitter having the property of a higher transmission of said first image therethrough than reflection of said second image.

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