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公开(公告)号：US06771223B1
公开(公告)日：2004-08-03
申请号：US10168530
申请日：2002-06-28
IPC分类号： H01Q124
CPC分类号： H01Q1/243 , H01Q3/247 , H01Q9/0407 , H01Q21/24
摘要： An antenna device includes: a conductive board (3) having one end portion and the other end portion opposite the one end portion; a flat plate antenna(4, 18a, 18b, 19) mounted on the board (3) with a dielectric interposing therebetween wherein when feeding a current thereto to excite, a current also flows in said board (3); a first current direction change means (5a, 6, 6a, 6c, 7, 7a, 7c, 14a, 17a, 17c, 21a, 22a, 22b, 24a) changing a direction of the current flowing in the board (3) to a first direction when exciting the antenna (4, 18a, 18b, 19) and located on said one end portion of the board (3); and a second current direction change means (5b, 6, 6b, 6d, 7, 7b, 7d, 14b, 17b, 17d, 21b, 22c, 22d, 24b) changing a direction of the current flowing in the board (3) to a second direction different from the first direction when exciting said antenna (4, 18a, 18b, 19) and located on the other end portion of the board (3).
摘要翻译： 天线装置包括：导电板（3），其具有一个端部，另一个端部与一个端部相对; 安装在基板（3）上的平板天线（4,18a，18b，19），介电介质介于其间，其中当馈送电流以激励时，电流也流过所述板（3）; 将在板（3）中流动的电流的方向改变为a的第一电流方向改变装置（5a，6,6a，6c，7,7a，7c，14a，17a，17c，21a，22a，22b， 激励天线（4,18a，18b，19）并位于所述板（3）的所述一个端部上时的第一方向; 以及将在基板（3）中流动的电流的方向改变为第二电流方向改变装置（5b，6,6b，6d，7,7b，7d，14b，17b，17d，21b，22c，22d，24b） 当激励所述天线（4,18a，18b，19）并且位于所述板（3）的另一端部时，与所述第一方向不同的第二方向。
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公开(公告)号：US06768464B1
公开(公告)日：2004-07-27
申请号：US10030113
申请日：2002-01-23
IPC分类号： H01Q127
摘要： A portable telephone including a main unit case and an antenna element. The antenna element includes a meander line antenna as the first antenna unit arranged within the main unit case and formed to extend in one direction, and a second antenna unit extending substantially orthogonal to the extending direction of the meander line antenna, and arranged projectable from the main unit case, having an electrical length of approximately (&lgr;/2)×A (A is an integer), and coupled to the meander line antenna.
摘要翻译： 一种包括主单元壳体和天线元件的便携式电话机。 天线元件包括弯曲线天线作为第一天线单元，其布置在主单元壳体内并且形成为沿一个方向延伸;以及第二天线单元，其基本上垂直于曲折线天线的延伸方向延伸，并且可从 主单元壳体，具有大约（λ/ 2）×A（A为整数）的电气长度，并耦合到曲折线天线。
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公开(公告)号：US06577279B1
公开(公告)日：2003-06-10
申请号：US09936441
申请日：2001-09-13
IPC分类号： H01Q124
摘要： A slide lever (6) is provided to a cabinet (2) of portable radio equipment, and an antenna (3) formed by nickel elastic alloy is held by a holding member (5). A lower portion of the antenna engages with an engaging portion (61) of slide lever (6), and by sliding slide lever (6), the lower portion of antenna (3) is bent at engaging portion (61) such that the entire antenna is inclined in a vertical direction by a desired angle, thereby reducing loss due to nonconformity of polarization with respect to an antenna of a base station.
摘要翻译： 滑动杆（6）设置在便携式无线电设备的机壳（2）上，由弹性合金镍制成的天线（3）由保持构件（5）保持。 天线的下部与滑动杆（6）的接合部分（61）接合，并且通过滑动滑杆（6），天线（3）的下部在接合部分（61）处弯曲，使得整个 天线在垂直方向上倾斜希望的角度，从而减少由于偏振相对于基站天线的不整合而引起的损耗。
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公开(公告)号：US06670924B1
公开(公告)日：2003-12-30
申请号：US10009495
申请日：2001-12-13
IPC分类号： H01Q124
摘要： An antenna element includes a plate antenna which is substantially equivalent to a series resonant circuit, and a monopole antenna which is connected to the plate antenna and is substantially equivalent to a parallel resonant circuit.
摘要翻译： 天线元件包括基本上等同于串联谐振电路的板天线和连接到板天线并且基本上等于并联谐振电路的单极天线。
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公开(公告)号：US4958382A
公开(公告)日：1990-09-18
申请号：US317520
申请日：1989-03-01
申请人： Yasuhito Imanishi
发明人： Yasuhito Imanishi
摘要： A radio frequency transceiver apparatus for changing over between a whip antenna and an internal antenna, wherein the whip antenna itself is utilized as both an antenna change-over element and an antenna change-over line, thereby permitting the antenna change-over in a simple construction and permitting the reduction of insertion loss, with little deterioration of VSWR.
摘要翻译： 一种用于在鞭状天线和内部天线之间切换的射频收发器装置，其中鞭状天线本身被用作天线转换元件和天线转换线，从而允许天线转换为简单的 构造并允许减少插入损耗，VSWR几乎没有劣化。
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公开(公告)号：US5541610A
公开(公告)日：1996-07-30
申请号：US534397
申请日：1995-09-27
申请人： Yasuhito Imanishi , Eriko Komori
发明人： Yasuhito Imanishi , Eriko Komori
IPC分类号： H01Q1/22 , H01Q1/24 , H01Q1/27 , H01Q1/36 , H01Q1/38 , H01Q1/52 , H01Q9/16 , H01Q9/30 , H01Q11/08 , H04B1/38 , H04W88/02 , H01Q1/12
摘要： An antenna equipment employing a chip inductor based antenna includes a multilayered miniaturized chip inductance element having an approximately .lambda./4 wavelength which achieves a half-wave dipole antenna performance together with a ground having an approximately .lambda./4 wavelength. In a preferred embodiment, the inductance element is formed of a plurality of thin sheets of insulating material carrying conductor segments which are connected through via-holes in the sheets to form a spiral inductance element within the stack of sheets. Direct connection avoids impedance matching circuit insertion loss and low-cost miniaturization with reduced antenna gain deterioration from surrounding conductors is provided for an effective miniature portable radio communication apparatus.
摘要翻译： 采用基于芯片电感器的天线的天线设备包括具有大约λ/ 4波长的多层小型化芯片电感元件，其与具有大约λ/ 4波长的地面一起实现半波偶极子天线性能。 在优选实施例中，电感元件由承载导体段的绝缘材料的多个薄片形成，所述导体段通过片中的通孔连接，以在片叠内形成螺旋电感元件。 为有效的微型便携式无线电通信装置提供了直接连接避免了阻抗匹配电路插入损耗和低成本小型化，同时降低了周围导体的天线增益恶化。
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公开(公告)号：US5852422A
公开(公告)日：1998-12-22
申请号：US788347
申请日：1997-01-27
申请人： Yasuhito Imanishi
发明人： Yasuhito Imanishi
CPC分类号： F16D65/0006 , H01Q1/244 , H04B1/18 , H04B1/3833 , F16D2121/22 , F16D2127/04
摘要： High gain antenna equipment is provided by improving gain with optimal impedance matching with an antenna element in a stored state as well as in an extended state. The antenna equipment is provided with a radio communication device housed in a case, a pullout type antenna element, a coil acting as a matching circuit element in an extended state of the antenna element and as a helical antenna in a stored state, and a switch connected to the coil at one end which is brought into contact at the other end with a ground terminal when the antenna element is in an extended state and which is brought into contact with an open terminal when the antenna element is in a stored state.
摘要翻译： 通过在存储状态以及扩展状态下通过与天线元件的最佳阻抗匹配来改善增益来提供高增益天线设备。 天线设备设置有容纳在壳体中的无线电通信设备，拉出型天线元件，充当天线元件的扩展状态的匹配电路元件的线圈和处于存储状态的螺旋天线，以及开关 连接到一端的线圈，当天线元件处于延伸状态时，其在另一端与接地端接触，并且当天线元件处于存储状态时与线圈接触。
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