Patent ID: 8400400

Claim:
A handheld communication device comprising: a housing assembly having: a display located at an upper portion of a front face thereof for displaying information; and a keyboard exposed for actuation below said display at a lower portion of said front face; said keyboard comprising: at least two elongate raised rails; and a plurality of keys comprising: a right-hand keyfield located on a right-hand side of one of said at least two elongate raised rails; a left-hand keyfield located on a left-hand side of one of said at least two elongate raised rails; at least a portion of said plurality of keys each having associated alphabetic indicia; and at least a portion of said plurality of keys each having associated numeric indicia, said alphabetic indicia correspond to letters A-Z that are arranged in a QWERTY pattern and said numeric indicia correspond to at least numerals 1-9 that are arranged in an ITU Standard E.161 phone keypad pattern and wherein at least some of said numerals and at least some of said letters are associated with the same keys; each of said keyfields has an engagement surface configured for digital engagement by a user when actuating individual keys of the respective keyfield; and each of said at least two elongate raised rails has an upper fixed surface positioned above at least a portion of each keyfield located adjacent thereto so that each of said at least two elongate raised rails constitutes a tactile divider between adjacently located keyfields; a navigation device located between the at least two elongate raised rails.