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公开(公告)号：EP1437795A1
公开(公告)日：2004-07-14
申请号：EP03738520.0
申请日：2003-06-26
发明人： FUKUSHIMA, Susumu , YASUHO, Takeo
IPC分类号： H01Q13/08
CPC分类号： H01Q9/045 , H01Q1/38 , H01Q5/35 , H01Q9/0435 , H01Q9/0478 , H01Q13/106
摘要： A small antenna has two or more feeding ports. A radiator is made of a planar conductor having a substantially circular shape having the diameter of a substantially half wavelength or a substantially regularly polygonal shape where the length of a diagonal line passes through the center point is the substantially half wavelength. A ground plate is faced to the radiator. On the radiator, the feeding ports are connected to feeding points on two orthogonal line segments passing through the center of the radiator. This antenna is used as not only a single antenna but also two independent antennas having secured isolation between the feeding ports. A small antenna device used as two independent antennas is thus provided. The radiator is formed in a hat shape having an edge, has an Stepped Impedance Resonator (SIR) structure where the diameter of a crest part is a quarter wavelength, and is shortened.
摘要翻译： 小型天线具有两个或更多馈电端口。 辐射器由具有基本上圆形形状的平面导体制成，其具有基本为半波长的直径或者基本上为规则多边形形状，其中对角线的长度通过中心点是基本上一半的波长。 接地板面向散热器。 在散热器上，馈电端口连接到通过散热器中心的两个正交线段上的馈电点。 该天线不仅用作单个天线，而且还用作两个独立天线，确保馈电端口之间的隔离。 因此提供了用作两个独立天线的小型天线装置。 散热器形成为具有边缘的帽形，具有阶梯阻抗谐振器（SIR）结构，其中波峰部分的直径是四分之一波长，并且被缩短。
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公开(公告)号：EP1376761A1
公开(公告)日：2004-01-02
申请号：EP02705217.4
申请日：2002-03-15
发明人： FUKUSHIMA, Susumu , YUDA, Naoki
IPC分类号： H01Q13/08
CPC分类号： H01Q13/085 , H01Q1/242 , H01Q5/371 , H01Q5/378 , H01Q9/0421 , H01Q9/0442
摘要： A small antenna device having a wide frequency band suitable for being built in mobile communications apparatuses. This antenna device includes a planar radiating element (radiating plate) and a grounding plate provided in parallel to and facing the radiating plate. A feeding line is disposed at approximately the end center of the radiating plate, and supplies high-frequency signals. A shorting portion shorts the radiating plate and grounding plate at near the feeding line. A slit is provided at an end face of the radiating plate approximately opposing the feeding line to form two resonators. A coupling level between two resonators is optimized by adjusting the shape or dimensions of this slit, or loading a reactance element or conductive plate on this slit. Accordingly, a small and short antenna with a preferred characteristic is achieved.
摘要翻译： 具有适合于内置于移动通信装置中的宽频带的小型天线装置。 该天线装置包括平面辐射元件（散热板）和与散热板平行设置的接地板。 馈电线设置在散热板的大致中心附近，并提供高频信号。 短路部分在馈电线附近短路辐射板和接地板。 在辐射板的端面处设置有与供电线大致相对的狭缝，以形成两个谐振器。 两个谐振器之间的耦合电平通过调节该狭缝的形状或尺寸，或在该狭缝上加载电抗元件或导电板来优化。 因此，实现了具有优选特性的小型和短型天线。
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公开(公告)号：EP0984510A1
公开(公告)日：2000-03-08
申请号：EP99907947.8
申请日：1999-03-16
发明人： FUKUSHIMA, Susumu , YUDA, Naoki , OOHARA, Masahiro
CPC分类号： H01Q19/28 , H01Q1/241 , H01Q1/244 , H01Q1/362 , H01Q1/38 , H01Q5/378 , H01Q5/385 , H01Q5/392 , H01Q11/08
摘要： The present invention relates to an antenna device used in mobile communication apparatus such as cellular phones, and which achieves good transmission and reception of information in more than one frequency band. The present invention aims at providing antenna devices and mobile communication apparatus using the devices, which allow an easy and wide ranging adjustment of the impedance properties of the antenna as well as their productive mass production. To satisfy the foregoing purpose, the antenna device of the present invention includes a) a spiral-shaped first antenna element (1) of which one end is open and the other end is electrically connected to a high frequency circuit inside a communication terminal; and b) a second antenna element (2) having both ends being open, and which is insulated from and disposed on either outer or inner surface of the first antenna element (1). The impedance properties of an antenna can be adjusted by changing the disposing position of the second antenna element (2).
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公开(公告)号：EP1376761B1
公开(公告)日：2007-11-14
申请号：EP02705217.4
申请日：2002-03-15
发明人： FUKUSHIMA, Susumu , YUDA, Naoki
CPC分类号： H01Q13/085 , H01Q1/242 , H01Q5/371 , H01Q5/378 , H01Q9/0421 , H01Q9/0442
摘要： A small antenna device having a wide frequency band suitable for being built in mobile communications apparatuses. This antenna device includes a planar radiating element (radiating plate) and a grounding plate provided in parallel to and facing the radiating plate. A feeding line is disposed at approximately the end center of the radiating plate, and supplies high-frequency signals. A shorting portion shorts the radiating plate and grounding plate at near the feeding line. A slit is provided at an end face of the radiating plate approximately opposing the feeding line to form two resonators. A coupling level between two resonators is optimized by adjusting the shape or dimensions of this slit, or loading a reactance element or conductive plate on this slit. Accordingly, a small and short antenna with a preferred characteristic is achieved.
摘要翻译： 具有宽带频率特性的小型天线装置，适合装载在移动通信设备上。 该天线装置包括平行的板状径向元件（径向板）和与其相对的接地板。 供电部分几乎位于径向板的轮缘边缘部分的中心处并提供高频信号。 短路部分使靠近供电部分的径向板和接地板短路。 通过在靠近供电部分的边缘部分中设置狭缝，在径向板上形成两个谐振器。 通过调整该狭缝的形状或尺寸或在狭缝上加载电抗元件或导电板来优化两个谐振器的耦合度。 因此，获得具有合适特性的小尺寸和短天线。
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公开(公告)号：EP1306923B1
公开(公告)日：2006-10-18
申请号：EP01954453.5
申请日：2001-08-06
发明人： IGUCHI, Akihiko , FUKUSHIMA, Susumu , SATO, Yuki
CPC分类号： H01Q21/30 , H01Q1/243 , H01Q1/36 , H01Q5/357 , H01Q5/378 , H01Q9/0414 , H01Q9/0421 , H01Q9/0442 , H01Q19/005
摘要： A small antenna, which is used in a mobile radio communication apparatus such as a portable telephone, operating in a broader frequency band a conventional antenna, operating corresponding to plural frequencies, and being disposed in a case is provided. The radio communication apparatus including the antenna is also provided. The antenna includes a first conductive radiator having a planer shape, a second conductive radiator having a helical shape, and a planar feeding section that is disposed between the first conductive radiator and the ground plane, is isolated from them, and supplying power by electromagnetic coupling.
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6.发明公开ANTENNA DEVICE AND COMMUNICATION EQUIPMENT USING THE DEVICE 审中-公开天UNG UNG UNG DI E T T T T T T T T T T T T T T T
公开(公告)号：EP1432066A1
公开(公告)日：2004-06-23
申请号：EP02765586.9
申请日：2002-09-18
发明人： IGUCHI, Akihiko , SATOH, Yuki , FUKUSHIMA, Susumu
摘要： An antenna device which includes the first antenna element having one end open and the other end connected to a power feeder, and the second antenna element. having both ends open. The second antenna element is disposed on the outer peripheral surface of the first antenna element in insulated state. The other end of the first antenna element is connected to the power feeder through the first ring-shaped conductor.
摘要翻译： 一种天线装置，其包括第一天线元件，其一端开放，另一端连接到馈电器，以及第二天线元件。 两端都打开。 第二天线元件以绝缘状态设置在第一天线元件的外周表面上。 第一天线元件的另一端通过第一环形导体连接到馈电器。
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公开(公告)号：EP0984510B1
公开(公告)日：2006-06-14
申请号：EP99907947.8
申请日：1999-03-16
发明人： FUKUSHIMA, Susumu , YUDA, Naoki , OOHARA, Masahiro
CPC分类号： H01Q19/28 , H01Q1/241 , H01Q1/244 , H01Q1/362 , H01Q1/38 , H01Q5/378 , H01Q5/385 , H01Q5/392 , H01Q11/08
摘要： An antenna device used for a mobile communication unit such as a portable telephone operates satisfactorily on two or more frequency bands, can be adjusted to control its impedance characteristic, and can be manufactured with high yield. This antenna device comprises a first spiral antenna element (1) having one end open and the other end connected electrically with a high frequency circuit inside a communication terminal, and a second antenna element (2) having both ends open and arranged either outside or inside the first antenna element (1). The second antenna element (2) is electrically insulated from the first antenna, and its position is adjustable relative to the first antenna element to control the impedance characteristic of the antenna device.
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公开(公告)号：EP1143553A1
公开(公告)日：2001-10-10
申请号：EP00960960.3
申请日：2000-09-13
发明人： FUKUSHIMA, Susumu , SATO, Yuki
摘要： The present invention relates to an antenna mainly used in a cellular phone or the like and to a communication terminal using it. It is an object of the present invention to provide an antenna having a high radiation efficiency, a wide adjustable range of the impedance of the antenna, and a capability of matching with an RF circuit by the structure itself without using a matching circuit. The number of structural parameters increases for adjusting the impedance of the antenna. To achieve these objects, the antenna in a communication terminal of the present invention has a radiation element wound spirally around an insulating core in the winding direction inverted at an arbitrary position. The antenna is therefore capable of adjusting the impedance, and as a result, the number of structural parameters of the antenna increases, and the adjustable range of the impedance of the antenna is expanded.
摘要翻译： 本发明涉及主要用于蜂窝电话等的天线以及使用它的通信终端。 本发明的一个目的是提供一种天线，该天线具有高辐射效率，宽的天线阻抗可调节范围，并且能够通过该结构本身与RF电路匹配而无需使用匹配电路。 增加调整天线阻抗的结构参数的数量。 为了实现这些目的，本发明的通信终端中的天线具有沿着缠绕方向围绕绝缘芯螺旋缠绕在任意位置处而反转的辐射元件。 因此，天线能够调整阻抗，结果，天线的结构参数的数量增加，并且天线的阻抗的可调整范围被扩大。
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公开(公告)号：EP1349233B1
公开(公告)日：2007-05-09
申请号：EP01272809.3
申请日：2001-12-14
摘要： An antenna system includes a substrate, a ground on the substrate, a first radiator having a helical shape near a side of the substrate and having a central axis substantially in parallel to a side of the ground, and a high frequency circuit electrically connected to a part of the first radiator. In the antenna system, ground-induced degradation of antenna gain can be reduced, and matching can be performed at an operating frequency through adjustment of a winding of the first radiator. Consequently, the radiation gain of the antenna system can be improved without an antenna matching circuit.
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公开(公告)号：EP1460718A1
公开(公告)日：2004-09-22
申请号：EP02781802.0
申请日：2002-11-18
IPC分类号： H01Q13/08
CPC分类号： H01Q1/2225 , H01Q1/22 , H01Q1/243 , H01Q1/38 , H01Q9/0421 , H01Q9/30 , H01Q21/29
摘要： In an antenna unit used for a radio communication device in mobile communications, the object of the present invention is to provide an easily portable antenna unit with low profile but high gain. Furthermore, the structure of the antenna unit can offer easy impedance-matching and maintain a preferable shape for the long term. In the antenna unit of the present invention, an opening is disposed in a part of a conductive material-made ground section. A conductive material-made antenna plate is disposed at the upper surface of the opening, while a conductive material-made ground plate is disposed at the upper section on the rear side of the opening. Besides, a radio frequency circuit is mounted on an area in the ground section other than the opening.
摘要翻译： 在用于移动通信中的无线电通信设备的天线单元中，本发明的目的是提供一种具有低轮廓但高增益的轻便便携式天线单元。 此外，天线单元的结构可以提供容易的阻抗匹配并且长期保持优选的形状。 在本发明的天线单元中，在导电材料制成的接地部分的一部分中设置开口。 导电材料制成的天线板设置在开口的上表面，而导电材料制成的接地板设置在开口后侧的上部。 此外，射频电路安装在接地部分中除开口之外的区域中。
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