Patent ID: 6819947
Filing Date: 2004-11-16
Classification: H04M

Abstract:
A foldable portable telephone comprising a main body case (1) provided with manual keys (12), and a closure case (2) connected to the main body case (1) by a hinge mechanism for covering the manual keys (12), the telephone being adapted to detect electrically the closure case (2) in its opened state or closed state relative to the main body case (1), the main body case (1) and the closure case (2) being provided respectively with barrel portions (14), (23) being aligned coaxially with an axis of rotation of the hinge mechanism, contact pieces (4), (5) being provided respectively on opposed faces of the two barrel portions (14), (23), a convexly rounded protruding portion formed on at least one of opposed faces of the two contact pieces being adapted to be slidably in contact with the other opposed face, the two contact pieces (4), (5) being in contact with or away from each other corresponding to opening or closing the closure case (2), the foldable portable telephone detecting electrically the closure case (2) in its opened or closed state.