Dynamic re-creation of signatures

Details Dynamic re-creation of signatures Dynamic re-creation of signatures

1975-11-18

1979-05-29

Ruggiero, Joseph F.

Boots, shoes, and leggings

178 18, 235431, 340149R, 3401463SY, 364513, G06K 500, G06K 900

Patent

active

041569113

ABSTRACT:
In order to verify the authenticity of the signature of an individual, first a sample signature is written with a pen which can generate electrical signals representative of the forces exerted in the plane of the paper in the process of writing. These signals are sampled and then scaled so that the signature when displayed, can be fitted within a predetermined display area. The scaled signals generated from the sample signature are then stored. When it is desired to compare the sample signature with a signature which is subsequently written, called a specimen signature, the specimen signature is written and is processed for display in the same manner as was the sample signature. The scaled sample signature signals are then called out of storage and displayed, as are the scaled signals generated in the course of writing the specimen signature. Any deviations between the signatures are very readily detectable by observing the display.

REFERENCES:
patent: 3579186 (1971-05-01), Johnson
patent: 3618019 (1971-11-01), Nemirousky
patent: 3699517 (1972-10-01), Dyche
patent: 3806704 (1974-04-01), Shinal
patent: 3818443 (1974-06-01), Radcliffe, Jr.
patent: 3906444 (1975-09-01), Crane et al.

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