Patent ID: 6453170
Filing Date: 2002-09-17
Classification: H04M,H04W

Abstract:
In a mobile station having an actuation keypad formed of an array of actuation keys, each of the actuation keys of said actuation keypad axially displaceable between an unactuated position and an actuated position, said mobile station operable in a radio communication system, an improvement of a user interface of facilitating usage thereof by a physically-disabled user, said user interface comprising:a key mat comprising a plurality of concave-shaped face covers, at least one of said plurality of concave-shaped face covers corresponding with and disposed adjacent to an actuation key of said array of actuation keys said at least one concave-shaped face cover forming a force-receiving surface for facilitating reception of an actuation force from a mouth pin, thereby causing axial displacement of the adjacent actuation key out of the unactuated position and into the actuated position.