Patent ID: 6327461
Filing Date: 2001-12-04
Classification: H01Q

Abstract:
A retractable antenna for a portable communicator, the antenna comprising:a hollow sheath;a core secured to an inside surface of said sheath;a conductive ferrule secured at an end of said sheath;an elongate radiator positioned to slide in said core and said ferrule and electrically contact said ferrule when located in a first position;a bumper slidably positioned to move in a space between said core and near said ferrule;a helical radiator held between said core and said sheath and extending partially into the space between said ferrule and said core to electrically and mechanically contact said ferrule; anda pusher element disposed on said elongate radiator to slidably displace said bumper and move said bottom end of said helical radiator away from said ferrule when said elongate radiator is located in said first position.