The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 1978
Filed:
Oct. 11, 1977
Applicant:
Inventor:
David Leslie Greenaway, Birchwil, CH;
Assignee:
LGZ Landis & GYR Zug Ag, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
3401 / ;
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.