| 摘要 |
<p>PURPOSE: An internal antenna is provided to overcome a narrow band property by applying a slow-wave structure to coupling matching. CONSTITUTION: A short line(304) is electrically connected to a ground. A feeding line(302) receives an RF signal. An impedance matching part(308) includes a first conductive member, a second conductive member, a plurality of first coupling elements, and a plurality of second coupling elements. The first conductive member is extended from the feeding line. The second conductive member is extended from the short line. The first coupling element is protruded from the first conductive member. The second coupling element is protruded from the second conductive member. The first coupling element and the second coupling element form a slow-wave structure. At least one radiator(306) is extended from at least one of the impedance matching part and the short line.</p> |
