摘要 |
<p>The antenna device includes an electrical conductor extending on a substrate and having at least one gap therein, and with an outer ring portion to define a radiating antenna element, and at least one inner ring portion to define a feed coupler and connected in series with the outer ring portion and extending within the outer ring portion. A coupling feed element is adjacent the at least one inner ring portion, and a feed structure is connected to the coupling feed element to feed the outer ring portion.</p> |