Patent ID: 6314274
Filing Date: 2001-11-06
Classification: H04M

Abstract:
A portable radio communication apparatus comprising:a housing having an interior, and a surface thereof, said surface having a plurality of openings in communication with said interior;a key operation board having a plurality of keys mounted thereon, said key operation board housed within said interior of said housing wherein, said plurality of keys correspond to said plurality of openings;key operation board lifting means for lifting key operation board and forcing the plurality of keys from within the interior of the housing through the corresponding plurality of openings;key operation board lowering means for lowering the key operation board and for lowering the plurality of keys through the corresponding plurality of openings into the interior of the housing; andat least one actuation means for moving the key operation board lifting means in a first direction such that said key operation board lifting means forces the key operation board to move towards the plurality of openings in said housing causing said keys to protrude from the surface of the housing through said openings, and for moving said key operation board lifting means in a second direction such that said key operation lowering means causes the key operation board to be lowered and said keys to retract into the interior of the housing.