Antenna assembly and portable radio apparatus
    1.
    发明授权
    Antenna assembly and portable radio apparatus 失效
    天线组件和便携式无线电设备

    公开(公告)号:US5861859A

    公开(公告)日:1999-01-19

    申请号:US592314

    申请日:1996-05-23

    摘要: An antenna assembly has a first helical antenna and a second rod antenna extending through inside said first antenna in the axis direction. When the antenna is retracted, the upper end of a conductive portion of the second antenna passes through the first antenna to be positioned below the lower end of the first antenna, and when the antenna is extended, the lower end portion of the conductive portion of the second antenna is electrically connected to the upper end portion of the first antenna. Therefore, the length of the second antenna can be reduced as compared with a length defined based on wavelengths of transmitted signals. Consequently, an antenna assembly which requires a smaller housing space can be obtained.

    摘要翻译: PCT No.PCT / JP95 / 01279 Sec。 371日期:1996年5月23日 102(e)日期1996年5月23日PCT提交1995年6月27日PCT公布。 公开号WO96 / 00990 日期1996年1月11日天线组件具有第一螺旋天线和第二棒状天线,其沿轴向延伸穿过所述第一天线内。 当天线缩回时,第二天线的导电部分的上端通过第一天线以位于第一天线的下端下方,并且当天线延伸时,导电部分的下端部分 第二天线电连接到第一天线的上端部分。 因此,与基于发送信号的波长所定义的长度相比,能够减小第二天线的长度。 因此,可以获得需要更小的壳体空间的天线组件。

    Antenna unit and portable radio terminal with a feeding circuit and
spiral antenna
    2.
    发明授权
    Antenna unit and portable radio terminal with a feeding circuit and spiral antenna 失效
    天线单元和带有馈电电路和螺旋天线的便携式无线电终端

    公开(公告)号:US5918162A

    公开(公告)日:1999-06-29

    申请号:US833122

    申请日:1997-04-04

    IPC分类号: H01Q1/24 H04B1/38 H04Q7/38

    CPC分类号: H01Q1/244

    摘要: An antenna unit in which fine antenna characteristic can be obtained when the antenna is contained/pulled out. When the second antenna (9) is contained, the second antenna is electrically disconnected from the feeding circuits (5, 7) by the antenna cover (13), so that only the first antenna (8) operates as antenna. On the other hand, when the second antenna is pulled out, the first antenna is compressed by the antenna stopper element (21) and the electrical length is varied, so that only the second antenna operates as antenna. As a result, fine antenna characteristic can be obtained when the antenna is contained/pulled out.

    摘要翻译: 天线单元,其中当天线被收纳/拉出时可以获得精细的天线特性。 当第二天线(9)被包含时,第二天线通过天线盖(13)与馈电电路(5,7)电断开,从而仅第一天线(8)作为天线工作。 另一方面,当第二天线被拉出时,第一天线被天线止动元件(21)压缩,并且电长度变化,使得只有第二天线作为天线工作。 结果,当天线被包含/拉出时,可以获得精细的天线特性。

    Antenna for two frequency bands
    3.
    发明授权
    Antenna for two frequency bands 失效
    两个频段天线

    公开(公告)号:US6031493A

    公开(公告)日:2000-02-29

    申请号:US704757

    申请日:1997-10-02

    摘要: An antenna unit operating for two frequency bands either when contained or pulled out. A fixed antenna unit 20 and a slide antenna unit 30 are provided. A helical antenna 21 is provided in the fixed antenna unit 20. A first monopole antenna 31 having the same axis as the helical antenna 21, a second monopole antenna 32, and an antenna cover 33 for holding the second monopole antenna 32 on the extended axis of the first monopole antenna 31 are provided in the slide antenna unit 30. The first monopole antenna 31 is held at the position where is not electromagnetically connected to the helical antenna 21 when the slide antenna unit 30 is pulled out, and the second monopole antenna 32 is held at the position where it is electromagnetically connected to the helical antenna 21. Further, the first monopole antenna 31 is held at the position where is electromagnetically connected to the helical antenna 21, and the second monopole antenna 32 is held at the position where is not electromagnetically connected to the helical antenna 21.

    摘要翻译: PCT No.PCT / JP96 / 00253 Sec。 371 1997年10月2日第 102(e)1997年10月2日PCT PCT 1996年2月7日PCT公布。 出版物WO96 / 24965 日期1996年8月15日天线单元在收纳或拉出时工作于两个频带。 提供固定天线单元20和滑动天线单元30。 螺旋天线21设置在固定天线单元20中。具有与螺旋天线21相同轴线的第一单极天线31,第二单极天线32和用于将第二单极天线32保持在延伸轴线上的天线罩33 第一单极天线31设置在滑动天线单元30中。当滑动天线单元30被拉出时,第一单极天线31被保持在不与螺旋天线21电磁连接的位置,第二单极天线 32被保持在与螺旋天线21电磁连接的位置。此外,第一单极天线31保持在与螺旋天线21电磁连接的位置,第二单极天线32保持在位置 其中不与螺旋天线21电磁连接。

    Antenna apparatus and portable radio apparatus
    4.
    发明授权
    Antenna apparatus and portable radio apparatus 失效
    天线装置和便携式无线电设备

    公开(公告)号:US5969682A

    公开(公告)日:1999-10-19

    申请号:US623222

    申请日:1996-03-28

    IPC分类号: H01Q1/24 H01Q9/32 H04B1/38

    CPC分类号: H01Q1/244

    摘要: An antenna apparatus for use in a portable cellular telephone that can avoid deterioration in signal radiation characteristics caused by the adverse influence of a user's head during the use of the telephone. Two sleeves have been fixed to a housing for a portable cellular telephone. A linear radiating conductor having a .lambda./4-electrical length is slidably supported by the housing by way of the two sleeves so that it can be both freely pulled out of or accommodated in the housing. The radiating conductor is extended at one end on the side of the power-feed point by a length equivalent to n.lambda./2. Also, a tubular conductor is coaxially disposed with the extended portion so as to form a power-feed coaxial line. When the radiating conductor is pulled out of the housing to such a degree as to reveal the coaxial line, the monopole antenna projects sufficiently away from a user's head, and a deterioration in signal radiation characteristics can thus be prevented.

    摘要翻译: 一种用于便携式蜂窝电话中的天线装置,其可以避免在使用电话期间由用户头部的不利影响引起的信号辐射特性的恶化。 已经将两个袖子固定到用于便携式蜂窝电话的外壳。 具有λ/ 4电长度的线性辐射导体由壳体通过两个套筒可滑动地支撑,使得其可以自由地拉出或容纳在壳体中。 辐射导体在馈电点一侧的一端延伸一个等于nλ/ 2的长度。 此外,管状导体与延伸部同轴地设置,以形成供电同轴线。 当将辐射导体从壳体拉出到露出同轴线的程度时,单极天线足够远离使用者的头部,从而可以防止信号辐射特性的恶化。

    Communication apparatus and portable telephone
    5.
    发明授权
    Communication apparatus and portable telephone 失效
    通信设备和便携式电话

    公开(公告)号:US07539510B2

    公开(公告)日:2009-05-26

    申请号:US09876411

    申请日:2001-06-07

    IPC分类号: H04M1/00 H04B1/38 H01Q1/24

    摘要: A portable telephone having an antenna for transmitting and/or receiving a wireless signal, a microphone for generating a sound signal corresponding to an input sound, a transmitting and receiving circuit for generating a wireless signal corresponding to the sound signal generated by the microphone to transmit the wireless signal through the antenna and generating a sound signal corresponding to the wireless signal received by the antenna, a receiver for outputting sound corresponding to the sound signal generated by the transmitting and receiving circuit, a shield case for surrounding and housing all or part of the transmitting and receiving circuit and being conductive, an electric wave absorber with one face in contact with a predetermined area of the shield case for absorbing an electric wave, and a conductive layer formed on another face of the electric wave absorber and electrically connected to the shield case.

    摘要翻译: 一种具有用于发送和/或接收无线信号的天线的便携式电话,用于产生对应于输入声音的声音信号的麦克风,用于产生与由麦克风产生的声音信号相对应的无线信号的发送和接收电路,以发送 通过天线的无线信号并产生对应于由天线接收的无线信号的声音信号,用于输出与发送和接收电路产生的声音相对应的声音的接收机,用于围绕和容纳全部或部分 所述发送和接收电路是导电的,具有与所述屏蔽壳的预定区域接触以吸收电波的一个表面的电波吸收体,以及形成在所述电波吸收体的另一个表面上并与所述电波吸收体电连接的导电层 盾壳

    Antenna apparatus and portable radio set
    6.
    发明授权
    Antenna apparatus and portable radio set 失效
    天线装置和便携式无线电设备

    公开(公告)号:US06362792B1

    公开(公告)日:2002-03-26

    申请号:US09633676

    申请日:2000-08-07

    IPC分类号: H01Q124

    摘要: An antenna that functions as an approximately balanced antenna that is structurally asymmetric but electrically symmetric includes a first antenna element that is extendable and retractable, a second fixed antenna element, an unbalanced transmission line feeding the first and second antenna elements, and a balanced-unbalanced convertor. At a time of extending the first antenna element, the first and second antenna elements are supplied an electric power from the unbalanced transmission line through the balanced-unbalanced convertor, so that the first and second antenna elements cooperate to function as an antenna.

    摘要翻译: 作为结构不对称但电对称的近似平衡天线的天线包括可伸缩的第一天线元件,第二固定天线元件,馈送第一和第二天线元件的不平衡传输线,以及平衡不平衡的 转换器 在扩展第一天线元件时,第一和第二天线元件从不平衡传输线通过平衡不平衡转换器提供电力,使得第一和第二天线元件协作起作为天线的作用。

    Antenna assembly and portable radio apparatus
    7.
    发明授权
    Antenna assembly and portable radio apparatus 失效
    天线组件和便携式无线电设备

    公开(公告)号:US5952974A

    公开(公告)日:1999-09-14

    申请号:US807274

    申请日:1997-02-28

    CPC分类号: H01Q1/244

    摘要: A mono-pole antenna is composed of a first element and a second element. An insulator spacer is disposed between the first element and the second element so as to capacitively couple them. In the state that the antenna is retracted, the helical antenna operates. In the state that the antenna is extended, the mono-pole antenna composed of the first element and the second element operates. Since the mono-pole antenna is composed of the first element and the second element that are capacitively coupled, even if the electrical length of the helical antenna is different from the electrical length of the mono-pole antenna, the impedances can be properly matched with a common matching circuit.

    摘要翻译: 单极天线由第一元件和第二元件构成。 绝缘体间隔件设置在第一元件和第二元件之间以便电容耦合它们。 在天线缩回的状态下,螺旋天线工作。 在天线延伸的状态下,由第一元件和第二元件构成的单极天线工作。 由于单极天线由电容耦合的第一元件和第二元件组成,所以即使螺旋天线的电长度与单极天线的电长度不同,阻抗也可以适当地匹配 一个通用的匹配电路。