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Fraud resistant credit card system

  • US 4,641,017 A
  • Filed: 12/15/1983
  • Issued: 02/03/1987
  • Est. Priority Date: 12/15/1983
  • Status: Expired due to Term
First Claim
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1. Tamper proof credit or identification card, comprising a flat card member adapted to identify an authorized bearer thereof, automatically-readable indicia on one surface of the flat card member containing data relating to the authorized bearer, and a separate reflective hologram disposed on a surface of the flat card member, the automatically-readable indicia being spaced apart from the hologram, the hologram being so constructed that a reference light beam impinging thereon from light source means at one predetermined angle and orientation to said one surface of the card will produce an image at another predetermined angle relative to said reference beam to impinge on sensor means disposed at a predetermined position relative to said light source means.

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