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:
Jul. 09, 1991
Filed:
Jun. 12, 1989
Applicant:
Inventors:
Kenneth L Dulaney, Redwood City, CA (US);
Jeffrey C Hawkins, Redwood City, CA (US);
Lindsay Sanford, Menlo Park, CA (US);
James H McNamara, Santa Cruz, CA (US);
Assignee:
Tandy Corporation, Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364521 ; 340706 ;
Abstract
A system for providing keystroke data to an application program without utilizing a keyboard that simultaneously displays application program graphics and a keyboard representation on different segments of a screen. Keys are selected by touching the screen at the location of the graphic representation of the key on the screen. The system is transparent to the application program.