05095194 is referenced by 238 patents and cites 5 patents.

A holographic credit card that uses a matched optical filter to store in form of a hologram a unique identification such as a fingerprint of the authorized user, a source of coherent light that provides the illumination, and the input element in the approval device for providing the angle-invariance, possessing the form of the transparent window, against which the user places and rotates the same fingerprint, and the registering device for registering the correlation optical signal between the stored fingerprint and presented fingerprint to generate a signal to activate the device when, and only if, a positive correlation exists between the presented and the registered fingerprints. A two-stage holographic credit card using the "generalized matched optical filter", wherein the additional information for authorization is stored in the reference beam during the preparation of the said filter, the angular invariance is provided by the said means and the means of second-stage approvement, utilizing the existing banks communication lines, are also provided. A three-stage holographic credit card, using the "generalized matched optical filter", wherein the additional information for verification is stored in the reference beam during the preparation of the said filter, the angular invariance is provided by the said means, the means for bank's computer approving procedures, including the automatic feedback are provided, and the means of additional second-stage optical comparison are also supplied.

Title
Holographic credit card with automatical authentication and verification
Application Number
7/420816
Publication Number
5095194
Application Date
October 12, 1989
Publication Date
March 10, 1992
Inventor
Joseph Barbanell
1945 Contra Costa Blvd., Pleasant Hill, 94523
CA, US
IPC
G06F 15/30
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