Method and apparatus for recording a signature

作者: Robert W. Freund , Jacob Sternberg

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摘要: The pressure exerted while writing a signature is transduced to an electrical analog signal which periodically converted binary coded number representing the average amplitude of between periodic samplings.

参考文章(9)
Lawrence S Frishkopf, Automatic recognition of handwriting ,(1960)
George Lieberman, Samuel M Nemirovsky, Jacob Sternberg, Signature identification by means of pressure patterns ,(1969)
L. Dunham Richard, R. Johnson Robert, Personal identification method and apparatus ,(1969)