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Confidential document reproduction method and apparatus

  • US 4,739,377 A
  • Filed: 10/10/1986
  • Issued: 04/19/1988
  • Est. Priority Date: 10/10/1986
  • Status: Expired due to Term
First Claim
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1. An apparatus for reproducing a confidential document sheet having a visible image and an invisible image, the apparatus comprising:

  • reader means for reading the invisible image and generating signals responsive to said reading;

    first means in said apparatus responsive to signals from the reader means for reproducing the invisible image as an invisible image on a receiver sheet; and

    second means in said apparatus for reproducing the visible image as a visible image on said receiver sheet.

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