Input apparatus for dynamic signature verification systems

Details Input apparatus for dynamic signature verification systems Input apparatus for dynamic signature verification systems

1977-03-16

1978-03-07

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

310311, G06K 900

Patent

active

040782263

ABSTRACT:
The disclosure relates to signature verification input apparatus comprising a writing instrument and platen containing piezoelectric transducers which generate signals in response to writing pressures.

REFERENCES:
patent: 3528295 (1970-09-01), Johnson et al.
patent: 3563097 (1971-02-01), Roggenstein et al.
patent: 3621720 (1971-11-01), Clark
patent: 3805601 (1974-04-01), Jeffers
patent: 3956734 (1976-05-01), Radcliffe, Jr.
patent: 3988934 (1976-11-01), Kamphoefner et al.
Vredenbregt et al., "Analysis and Synthesis of Handwriting", Philips Technical Review, vol. 32, pp. 73-78, 1971.

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