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:
May. 01, 2001
Filed:
Feb. 06, 1998
Applicant:
Inventors:
Lee E. Weiss, Pittsburgh, PA (US);
John Michael Stivoric, Pittsburgh, PA (US);
Gennady Yakovievitch Neplotnik, Pittsburgh, PA (US);
Scott J. Cape, Racine, WI (US);
Chris Kasabach, Pittsburgh, PA (US);
Assignee:
Carnegie Mellon University, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/08 ;
U.S. Cl.
CPC ...
G09G 5/08 ;
Abstract
A multiple switch assembly acts as an input device for computers. The switch assembly is comprised of a first input device which defines a circumference. A second input device is positioned within the circumference of the first input device. An interface is connected to the first input device and the second input device for producing output signals responsive to the first and second input devices. A portable computer utilizing such an input device is also disclosed.