一种采用平行环结构的天线

Antenna of parallel-ring type

Abstract

本发明提供一种天线,通过改进较容易获得天线的足够物理长度的顶加载型收缩式天线的加载部,提供一种在具有与原有结构相同的共振点的同时,缩短天线整体长度且其频带更宽,回波损耗更优秀的天线。另外,在单极天线末端的加载部采用平行环结构,从而获得与螺旋天线相类似的电学特性。此外,本发明利用随上述平行环不同环厚度、环间距、直径、和/或加载部长度而变化的回波损耗变化,在获得与上述螺旋天线相同的共振的同时,缩短上述天线的整体长度。
The present invention relates to a parallel-ring type antenna which is reduced in entire physical length, and has a wider bandwidth and a more excellent return loss, while having the same resonant point, by changing a loading portion of a retractable antenna employing a top-loading method that can easily secure the physical length of the antenna. Further, characteristics electrically similar to those of a helical antenna can be achieved by applying the parallel-ring type to the loading portion of the monopole termination. In addition, the entire length of an antenna can be reduced, while accomplishing the same resonance as that of the helical antenna, by employing a change in return loss according to a change in the thickness of the parallel ring, the distance between the rings, the diameter of the ring, and/or the length of the loading portion.

Claims

Description

Topics

Download Full PDF Version (Non-Commercial Use)

Patent Citations (0)

    Publication numberPublication dateAssigneeTitle

NO-Patent Citations (0)

    Title

Cited By (0)

    Publication numberPublication dateAssigneeTitle