Patent ID: 6204818
Filing Date: 2001-03-20
Classification: H01Q

Abstract:
A stretchable antenna for mobile phones including a first fixed coil antenna embedded in a fixed axle sleeve, said axle sleeve forms requisite electric connection with a mobile phone, an antenna rod is freely moved to and fro in said fixed axle sleeve and is provided on the top thereof with an insulation end which is combined with a metallic end piece, a second coil antenna is provided on said end piece, a metallic annular piece is provided beneath said metallic end piece; a shank of said antenna rod, said end piece, said annular piece and said second coil antenna are enveloped with a coating by injection molding, the bottom of said antenna rod is connected with a metallic sleeve; when said second coil antenna is stretched out, said end piece abuts against said annular piece to render said second coil antenna to contact said antenna rod directly to form electric connection, when said antenna rod is retracted, the length of extension of said antenna rod is limited by an abutting point to force said end piece to move up slightly to be separated from said annular piece and out of electric connection.