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Image recording apparatus and rearview CRT therefor

  • US 5,389,985 A
  • Filed: 11/15/1993
  • Issued: 02/14/1995
  • Est. Priority Date: 11/15/1993
  • Status: Expired due to Fees
First Claim
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1. Apparatus for recording an image on a substrate such as photographic film, comprising:

  • a rearview cathode ray vacuum tube having a faceplate;

    a layer of phosphor deposited on said faceplate in the interior of said vacuum tube;

    an optical viewport in said vacuum tube for viewing an image on an image area of said phosphor inside said vacuum tube, said optical viewport disposed along an optical axis generally perpendicular to said faceplate and generally centered with respect to said image area;

    means mounted in said vacuum tube offset from said optical axis, for generating an electron beam at an acute angle with respect to said optical axis to write said image on the image area of said phosphor; and

    a camera mounted to view said image through said optical viewport for recordal of the image.

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