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:
Sep. 30, 2014
Filed:
Sep. 09, 2010
Mark E. Miller, Mission Viejo, CA (US);
George C. Sneed, Irvine, CA (US);
Ramakrishna Y. Vadapalli, Hyderabad, IN;
Sudhaker Anumula, San Diego, CA (US);
Mark E. Miller, Mission Viejo, CA (US);
George C. Sneed, Irvine, CA (US);
Ramakrishna Y. Vadapalli, Hyderabad, IN;
Sudhaker Anumula, San Diego, CA (US);
Conexant Systems, Inc., Irvine, CA (US);
Abstract
A system for controlling a touch screen. A touch screen element having a plurality of contacts, such as one contact electrode at each of four corners. A multiplexer coupled to the touch screen element for forming a plurality of connections, such as various combinations of the contact electrodes to allow measurements to be made of the impedance of the touch screen element from the left side to the right side, from the top to the bottom, and do forth. A touch screen processor coupled to the touch screen element for determining an oscillation frequency of the touch screen element as a function of the electrode connections.