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:
Feb. 10, 1998
Filed:
Feb. 10, 1995
Applicant:
Inventors:
Gary V Zanders, Dallas, TX (US);
Francis A Scherpenberg, Carrollton, TX (US);
Kevin E Deierling, Asten, NL;
Assignee:
Dallas Semiconductor Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G05F / ;
U.S. Cl.
CPC ...
395750 ; 323354 ; 338 13 ;
Abstract
A digital rheostat or potentiometer which provides both increment and decrement operations from a single input such as a pushbutton. A certain pattern of input actuations will cause the direction of change to reverse. Settings of the potentiometer are stored in nonvolatile memory.