Patent ID: 6714802
Filing Date: 2004-03-30
Classification: H04M

Abstract:
A portable communication apparatus having a main apparatus housing, a first controller, a user interface with a first keypad, a first display, and means for receiving characters adapted to form text in response to keystrokes entered by a user on the first keypad, an accessory connector, and an external accessory device with a second keypad, a second display, and a second controller adapted to present keystrokes entered by the user on the second keypad as text on the second display, wherein the first controller is adapted to receive digital signals representing the keystrokes entered on the second keypad from the accessory device through the accessory connector and to forward the digital signals to the character receiving means, the character receiving means is further adapted to form text in response to the keystrokes entered on the second keypad, and the external accessory device is detachably connectable to the accessory connector.