Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Brad Lemley1
Date of Patent
April 17, 2007
1Patent Application Number
098531261
Date Filed
May 9, 2001
1Patent Primary Examiner
Patent abstract
Mobile telephone handset navigation functions are integrated into certain of the alphanumeric keys of the mobile keypad. Up, down, right, and left navigation functions are integrated into four alphanumeric keys. The mobile automatically toggles between the navigation and alphanumeric functions of these keys based on where the user is within the interface routine of the mobile. Optionally the user can manually toggle between the navigation and alphanumeric functions by pressing a menu key.
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