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:
Jun. 27, 1995
Filed:
Mar. 23, 1992
Applicant:
Inventors:
Timothy J Jondrow, Corvallis, OR (US);
Robert B Puckette, Corvallis, OR (US);
Michael D Derocher, Corvallis, OR (US);
Steven L Fogle, Corvallis, OR (US);
Assignee:
Hewlett-Packard Corporation, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; G06F / ; G06K / ;
U.S. Cl.
CPC ...
341 20 ; 341 22 ; 341 33 ; 345157 ; 345161 ; 345163 ; 345168 ; 364190 ; 3647081 ; 3647091 ; 36470911 ; 361679 ; 361680 ; 361683 ;
Abstract
The position encoder system requires no keyboard surface area and includes a retractable and extendable handle that is stored inside the computer when not in use. The handle is extended for use near the computer keyboard. The movement of the handle is sensed by a high resolution sensing system that consumes relatively little power.