Abstract: A degree of freedom in design of a frame member that serves as an antenna is improved without causing a decrease in antenna characteristics. A frame member (1) has a first reference electric potential connection point (6a) and a second reference electric potential connection point (6b), each of which is connected to a reference electric potential (G) of a housing. A wireless circuit (2) is connected to a feed connection point (4) located between the first and second reference electric potential connection points (6a and 6b) of the frame member (1).

Abstract: In a portable telephone, a first housing and a second housing are connected to each other by hinge sections which makes the first housing and the second housing rotatable about the long-side direction of the housings. A metal frame is provided at a peripheral section of the first housing, and a display section is provided at the central section of the first housing. A metal is used as a frame and can also be operated as an antenna element. In the second housing, a circuit board to which a baseband circuit and a radio circuit are mounted, a first feeding section which supplies electric power to the metal frame, and a draw-out rod antenna which can be drawn out from and housed in the housing are supplied with electric power by the second feeding section. Further, a cellular antenna which performs communication with a base station is also incorporated in the second housing. The rod antenna can be drawn out in the direction substantially in parallel with the rotation axis of the above described hinge.

Abstract: In a portable telephone 10, a first housing 11 and a second housing 12 are connected to each other by hinge sections 13a and 13b which makes the first housing 11 and the second housing 12 rotatable about the long-side direction of the housings 11 and 12. A metal frame 14 is provided at a peripheral section of the first housing 11, and a display section 15 is provided at the central section of the first housing 11. A metal, such as, for example, a magnesium alloy and SUS, which is highly conductive, light in weight, and high in mechanical strength, is used for the metal frame 14. When such kind of metal is used, the mechanical strength can be secured even in a thin shape, and the metal frame 14 can also be operated as an antenna element.