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. 05, 2008
Filed:
Jun. 14, 2002
Kenneth J. Keefer, Westford, MA (US);
Bülent Bulat, Framingham, MA (US);
Bernard O. Geaghan, Salem, NH (US);
Kenneth J. Keefer, Westford, MA (US);
Bülent Bulat, Framingham, MA (US);
Bernard O. Geaghan, Salem, NH (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Electrode pattern disposed on a conductive surface is disclosed. The electrode pattern includes a plurality of conductive segments. The conductive segments are located along the edges of two or more concentric parallel polygons. Each edge of each polygon has one or more middle segments disposed between two end segments. For each edge of each polygon the middle segments are equal in length, and the segments are equally spaced. A touch sensor is disclosed that includes such an electrode pattern.