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. 28, 2013
Filed:
May. 25, 2010
John Henry Krahenbuhl, McHenry, IL (US);
Roger Ady, Chicago, IL (US);
Jiri Slaby, Buffalo Grove, IL (US);
John Henry Krahenbuhl, McHenry, IL (US);
Roger Ady, Chicago, IL (US);
Jiri Slaby, Buffalo Grove, IL (US);
Motorola Mobility LLC, Libertyville, IL (US);
Abstract
A user input attachment () is configured to selectively attach to an electronic device () such as a mobile telephone. The electronic device () includes a plurality of electrode nodes (), which can be configured separately from each other across one or more surfaces of the electronic device (). A controller (), which is operable with the plurality of electrode nodes (), is configured to sense current flowing through (or voltage across) the electrode nodes (). The sensed voltage or current establishes an engagement signature () dependent upon pressure from compressible conductive elements () against electrode nodes () from the user input attachment (), and where included, one or more protuberances (). The controller () is configured to identify the user input attachment () from the engagement signature (), and to detect user input by detecting changes from the engagement signature () due to variations in the current () in, or voltage across, each of the electrode nodes () caused by user manipulation of the user input attachment ().