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3735374 |
HOLOGRAM IDENTIFICATION SYSTEM
An identification arrangement comprises light sources and photo-detectors arranged in accordance with a predetermined correspondence code. An appropriate key hologram produces, in respect of each...
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3704949 |
METHOD AND APPARATUS FOR PERSONAL IDENTIFICATION
A method and apparatus for creating an encoded fingerprint card which consists of a hologram of a fingerprint created by a main illuminating beam and a reference beam on a sensitive photographic...
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3643216 |
HOLOGRAPHIC IDENTIFICATION SYSTEM
An identification card or credit card contains a unique holographically encoded number which may be decoded by a simple decoder requiring only a single flashlight bulb as a light source for...
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3532426 |
HOLOGRAPHIC FINGERPRINT IDENTIFICATION
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3669541 |
Title is not available
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