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:
Jan. 13, 2009
Filed:
May. 20, 2002
Elisa M. Cross, Woodbury, MN (US);
Robert S. Moshrefzadeh, Oakdale, MN (US);
Frank J. Bottari, Acton, MA (US);
Darran R. Cairns, Billerica, MA (US);
Anthony F. Chernefsky, Dracut, MA (US);
Paul J. Richter, Chelmsford, MA (US);
Elisa M. Cross, Woodbury, MN (US);
Robert S. Moshrefzadeh, Oakdale, MN (US);
Frank J. Bottari, Acton, MA (US);
Darran R. Cairns, Billerica, MA (US);
Anthony F. Chernefsky, Dracut, MA (US);
Paul J. Richter, Chelmsford, MA (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A capacitive touch screen is described with a touch area including a substantially transparent conductive polymer. The capacitive touch screen also includes circuitry connecting the conductive polymer of the touch area to a power source, where the circuitry is configured to determine a location of a capacitive coupling on the touch area.