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. 31, 2011
Filed:
May. 31, 2006
Velimir Pletikosa, Kitchener, CA;
Jason T. Griffin, Kitchener, CA;
Norman M. Ladouceur, Waterloo, CA;
Robert Lowles, Waterloo, CA;
Velimir Pletikosa, Kitchener, CA;
Jason T. Griffin, Kitchener, CA;
Norman M. Ladouceur, Waterloo, CA;
Robert Lowles, Waterloo, CA;
Research In Motion Limited, Waterloo, Ontario, CA;
Abstract
A keyboard for a mobile devicehaving a processorfor interpreting signals comprises a plurality of keys-and corresponding indicia including keys associated with alphabetic characters corresponding to an array of letters A-Z. The keys-that are associated with alphabetic characters number fewer than twenty-six and correspond to one of a QWERTY, QWERTZ, AZERTY, or DVORAK key arrangement. Each of the plurality of keys-have multiple input surfaces and are arranged in an array of rows and columns that include a first outer column, at least one middle column, and a last outer column. The first and last columns of keys are operable to input at least three different signals to a processorof a mobile devicedepending upon what input surface of the key-is pressed. A middle column of keys is operable to input at least five different signals to a processordepending on what input surface of the key-is pressed.