Matrix keyboarding system

Abstract

A mobile computing device includes a processor and a touch-sensitive display cooperable with the processor. The processor executes instructions to display a character set on the touch-sensitive display for receiving input from a user of the mobile computing device. The character set includes a plurality of keys that are arranged in an arc. The processor receives the input from the user of the mobile computing device by way of the touch-sensitive display.

1 . A mobile computing device comprising a processor and a touch-sensitive display cooperable with the processor, wherein the processor executes instructions to perform acts comprising:
 displaying a character set on the touch-sensitive display for receiving input from a user of the mobile computing device, the character set including a plurality of keys that are arranged in an arc; and   receiving the input from the user of the mobile computing device by way of the touch-sensitive display.   
     
     
         2 . A mobile computing device according to  claim 1 , wherein the step of displaying the character set is practiced by displaying plural rows of keys arranged concentrically in the arc. 
     
     
         3 . A method comprising:
 detecting a touch by a user on a touch-sensitive display of a mobile device; and   responsive to the detecting, displaying a character set on the touch-sensitive display for receiving input from the user, the character set including a set of keys arranged in a plurality of rows, wherein respective ones of the plurality of rows are arranged radially from a corner area of the touch-sensitive display.