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    • 51. 发明公开
    • Dualband base station antenna using ring antenna elements
    • Doppelbandige AntennefürBasisstation mit Schleifenantennen
    • EP1496569A1
    • 2005-01-12
    • EP04013840.6
    • 2004-06-12
    • ANDREW CORPORATION
    • Bisiules, Peter JohnYang, Ching-Shun
    • H01Q9/04
    • H01Q1/246H01Q9/0414H01Q9/0457H01Q9/0464H01Q21/28
    • A multiband base station antenna for communicating with a plurality of terrestrial mobile devices is described. The antenna including one or modules, each module including a low frequency ring element; and a high frequency dipole element superposed with the low frequency ring element. The element includes a ground plane; and a feed probe directed away from the ground plane and having a coupling part positioned proximate to the ring to enable the feed probe to electromagnetically couple with the ring. A dielectric clip provides a spacer between the feed probe and the ring, and also connects the ring to the ground plane. An antenna element is also described including a ring, and one or more feed probes extending from the ring, wherein the ring and feed probe(s) are formed from a unitary piece.
    • 描述了用于与多个地面移动设备进行通信的多频带基站天线。 所述天线包括一个或多个模块,每个模块包括低频环形元件; 以及与低频环形元件重叠的高频偶极子元件。 该元件包括接地平面; 以及馈送探针,其远离接地平面并且具有靠近环定位的耦合部分,以使得馈送探针与环电磁耦合。 电介质夹在馈电探针和环之间提供间隔物,并将环连接到接地平面。 还描述了一种天线元件,其包括环和从环延伸的一个或多个进给探针,其中环和馈送探针由整体构件形成。
    • 58. 发明公开
    • Internal multiband antenna
    • 内部多频带天线
    • EP1439601A1
    • 2004-07-21
    • EP04396001.2
    • 2004-01-08
    • Filtronic LK Oy
    • Korva, Heikki
    • H01Q1/24H01Q9/04H01Q5/00
    • H01Q19/005H01Q1/243H01Q1/38H01Q5/371H01Q9/0414H01Q9/0421H01Q9/0442H01Q9/0457
    • An internal multiband antenna intended to be used in small-sized radio devices and a radio device having an antenna according to the invention. The radiating element (330) of the antenna is a conductive part in the cover of the radio device or a conductive surface attached to the cover. The radiating element is fed electromagnetically by a feed element (320) connected to the antenna port. The feed element is designed (321, 322) such that it has, together with the radiating element and ground plane (310), resonating frequencies in the areas of at least two desired operating bands. In addition, the resonating frequency of the radiating element itself is arranged to fall into an operating band. Antenna matching is provided by feed element design and short-circuiting (315). The radiating element design can be based on the desired external appearance of the device, and the locations of the operating bands and antenna matching are provided through feed element design and short-circuiting. The antenna requires a relatively minor space within the device.
    • 旨在用于小型无线电设备的内部多频带天线以及根据本发明的具有天线的无线电设备。 天线的辐射元件(330)是无线电装置的盖子中的导电部分或附连于盖子的导电表面。 辐射元件由连接到天线端口的馈电元件(320)以电磁方式供电。 馈电元件被设计(321,322),使得其与辐射元件和接地平面(310)一起在至少两个期望的工作频带的区域中具有谐振频率。 另外,辐射元件自身的谐振频率被设置为落入工作频带。 馈电元件设计和短路提供天线匹配(315)。 辐射元件的设计可以基于设备的期望的外观,并且通过馈电元件设计和短路来提供操作带和天线匹配的位置。 天线在设备内需要相对较小的空间。