Patent ID: 6292144
Filing Date: 2001-09-18
Classification: H01Q

Abstract:
An inverted-F multiband antenna mountable in association with surfaces included in a portion of a casing of a portable communication device, said portion being a portion typically kept away from a user's hand during operation, the antenna comprising the following elements conformed with dielectric material:a ground plane;a first elongate radiator element disposed generally opposite through most of its length to said ground plane, said first elongate radiator element having an open end separated from said ground plane and a ground end connected to said ground plane;a second elongate radiator element disposed generally parallel to said first elongate radiator element and disposed generally opposite through most of its length to said ground plane, said second elongate radiator element having an open end separated from said ground plane and a ground end connected to said ground plane, said second elongate radiator element being longer than said first elongate radiator element; anda feed element commonly connected to said first and second elongate radiator elements between their respective open and ground ends.