Patent ID: 6876875

Claim:
A mobile phone comprising a housing comprised of a pair of front and back casings, the front casing having a display device and a plurality of keys; power source means disposed in said housing; and a heating circuit, which comprises a line to be heated through connection with said power source means, the heating circuit having a thermostat and a out-operable switch which are connected therein, the heated line being arranged between the distal and proximal portions of the back casing, wherein said housing has separation of distal and proximal housing parts extending from respectively, a point substantially intermediate thereof to respective distal and proximal ends of the mobile phone, a point between the trailing end of said distal housing part and the leading end of said proximal housing part has connecting means for connecting said distal housing part pivotable thereabout to said proximal housing part pivotable thereabout so that said housing has fold thereabout, a part of said heating circuit has a meandrous arrangement which is at the back casing of said proximal housing, and each of said thermostat and out-operable switch of said heating circuit is at the back casing of said distal housing part.