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:
Apr. 02, 1991
Filed:
Nov. 14, 1989
Applicant:
Inventor:
Daniel G Lasley, Newtown, CT (US);
Assignee:
Summagraphics Corporation, Seymour, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C / ;
U.S. Cl.
CPC ...
178 18 ;
Abstract
A digitizer tablet using a pressure-sensitive pointing device preferably containing a linear transducer is provided with the means to convert linear pressure signals to logarithmically-related output counts. The conversion means is programmable to allow outputting of a logarithmically or a linearly related count for use by an application program.