Apparatus and method for producing an electrical signal responsi

Details Apparatus and method for producing an electrical signal responsi Apparatus and method for producing an electrical signal responsi

1977-10-11

1978-10-24

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

G06K 900

Patent

active

041224353

ABSTRACT:
The invention relates to a means and method for producing an electrical signal responsive to identifying characteristics of handwriting. The electrical signal is produced responsive to variations in writing pressure between a writing instrument and a ridged writing surface.

REFERENCES:
patent: 3530280 (1970-09-01), Goldman
patent: 3673571 (1972-06-01), Constable
patent: 3955178 (1976-05-01), Warfel
Darringer et al., "Speed Pen," IBM Tech. Disclosure Bulletin, vol. 18, No. 7, Dec. 1975, p. 2374-2375.

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