A compact antenna device which is intended for a small-size portable radio communication device and comprises a ground plane (1), a first radiating patch (2), a grounding means (3) connecting the patch and the ground plane. The patch is fed by a feeding means (6) which is situated on the same or opposite side of the ground plane or coplanar therewith and couples through a slot (5) provided in the ground plane. The disclosed antenna device may include further radiating patches in the same or higher levels as the first radiating patch. The antenna device also provides for wideband and/or multiband operation.
申请公布号
WO9744856(A1)
申请公布日期
1997.11.27
申请号
WO1997SE00815
申请日期
1997.05.16
申请人
ALLGON AB;ENGBLOM, GUNNAR;FILIPSSON, GUNNAR;WASS, BO