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    • 111. 发明授权
    • Antenna device and satellite communication reception system
    • 天线设备和卫星通信接收系统
    • US5600336A
    • 1997-02-04
    • US289587
    • 1994-08-15
    • Kazuhara KuboTakayoshi TsurumakiMasahiro Tamura
    • Kazuhara KuboTakayoshi TsurumakiMasahiro Tamura
    • H01P1/02H01P1/04H01P1/165H01Q1/24H01Q5/00H04B1/18H01Q13/00
    • H01Q1/247H01Q5/45
    • An antenna device for receiving a radio wave transmitted from a communication satellite, converting the received radio wave into an electric signal, amplifying the signal, and outputting the amplified signal to a receiver is capable of quickly resuming a radio wave reception in the event of a failure. The antenna device includes a converter assembly having a straight waveguide and a twisted waveguide for supplying polarized radiowaves in the same direction to two LNBs, which are oriented in the same direction and fixed to a fixing adapter that is slidably mounted on a holder unit. Even when one of the LNBs suffers a failure, the other normal LNB can be used as a spare LNB and simply moved to replace the malfunctioning LNB. Therefore, any malfunctioning LNB can be replaced easily for quick resumption of a radio wave reception. A satellite communication reception system employs such an antenna device.
    • 一种用于接收从通信卫星发送的无线电波的天线装置,将所接收的无线电波转换为电信号,放大信号并将其放大到接收机的输出能够快速恢复无线电波接收 失败。 天线装置包括具有直波导和扭转波导的转换器组件,用于向相同方向提供相同方向的两个LNB的扭转波导,两个LNB被定向在相同的方向上并且固定到可滑动地安装在保持器单元上的固定适配器。 即使其中一个LNB发生故障,另一个正常的LNB也可以用作备用的LNB,只需移动以替换故障的LNB。 因此,任何故障的LNB都可以轻松更换,以快速恢复无线电波接收。 卫星通信接收系统采用这种天线装置。
    • 112. 发明授权
    • Portable communication device
    • 便携式通讯装置
    • US5563618A
    • 1996-10-08
    • US278818
    • 1994-07-22
    • Masahiro Tamura
    • Masahiro Tamura
    • H01Q1/08H01Q1/12H01Q1/24H01Q13/02H01Q23/00H04B1/38H01Q13/00
    • H01Q23/00H01Q1/088H01Q1/247H01Q13/0225
    • A portable communication device which has a horn antenna and a transmitter-receiver and in which the horn antenna can readily be attached to and detached from the transmitter-receiver in a short time. In this portable communication device, a flange on the horn antenna side is connected to a flange on the transmitter-receiver side with four clasps etc. The four clasps etc. are arranged at equal intervals around the outer periphery of the interface of a connecting portion. The clasp comprises a fixing hook portion and a pushing-down portion. The fixed hook portion and the pushing-down portion are fixed to the flanges on the transmitter-receiver side and on the horn antenna side, respectively. The clasps etc. can be operated very easily with a simple motion. Therefore, the horn antenna can be attached to and detached from the transmitter-receiver in a short time without a tool. Also, this attaching/detaching operation can reliably be performed in the dark without lighting.
    • 一种便携式通信设备,其具有喇叭天线和发射机 - 接收机,并且其中喇叭天线可以在短时间内容易地附接到发射机 - 接收机和从发射机 - 接收机分离。 在这种便携式通信装置中,喇叭天线侧的凸缘通过四个扣子等连接到发送器 - 接收器侧的法兰上。四个扣扣等在连接部分的界面的外周周围等间隔地布置 。 扣环包括固定钩部分和下压部分。 固定钩部和下压部分分别固定在发射机 - 接收机侧和喇叭天线侧的凸缘上。 扣子等可以通过简单的运动非常容易地操作。 因此,在没有工具的情况下,喇叭天线可以在短时间内从发射机 - 接收机附接和拆卸。 此外,该安装/拆卸操作可以在没有照明的情况下在黑暗中可靠地进行。