| 摘要 |
<p>An antenna design for use with mobile telephones improves antenna performance by: (i) making the antenna less sensitive to the effects of the car body when mounted on a car window, e.g. backlight or sixthlight, and (ii) improving the impedance matching between the antenna and the coaxial feed line. Principally two arms (21 and 22) extend from a ground plane strip (11) around a separate monopole radiating "T"-piece (12). The ground plane and "T"-piece are insulated from each other and a coaxial connection is made to the antenna with the central core connected to the "T"-piece and the shield to the ground plane. <IMAGE></p> |
