Patent ID: 7167134

Claim:
An antenna unit comprising: an elongate core portion; a winding portion wound on an outer periphery of the core portion; an antenna cover case which includes side walls positioned opposite to each other and an opening extending through a thickness of each of the side walls, and which encloses the core portion and the winding portion such that two opposite portions of an outer circumferential surface of the winding portion are projected into and provided in corresponding ones of the openings; and a plurality of adhesive portions arranged along an edge of at least one of the side walls of the antenna cover case, between the edge and a corresponding one of the opposite parts of the outer circumferential surface of the winding portion, said edge defining the opening in the at least one of the side walls; wherein the adhesive portions are separated from each other with a predetermined gap therebetween and the adhesive portions fix the edge of the side wall of the antenna cover case to the corresponding one of the opposite parts of the outer circumferential surface of the winding portion.