Patent ID: 7938589

Claim:
A handheld mobile communication device with a physical keyboard, said device comprising: a housing with a plurality of keys located at a front surface of the housing; said plurality of keys comprising a first subset of at least twelve keys having indicia of letters A to Z, said letters being arranged in a standard alphabetic keyboard arrangement, and a second subset of keys having indicia of numerals 0 to 9, said numerals being arranged in a numeric phone key arrangement that is at least partially overlaid on said standard alphabetic keyboard arrangement; and said second subset of keys are differentiated, based on color, from keys of said first subset of keys that are not overlaid by said second subset of keys wherein said physical keyboard comprises a total of twenty keys, with the keys being arranged in four rows and five columns; wherein one of a QWERTY, QWERTZ, AZERTY, and DVORAK array of letters is arranged in three of the four rows and said second subset of keys is associated with each of the four rows; wherein said four rows comprise in order a first, second, third and fourth row, and the five columns comprising in order a first, second, third, fourth, and fifth column; and wherein each key is configured to cause data corresponding to one of the indicia on that key to be entered in response to the key being pressed.