Antenna system for communicating simultaneously with satellite and terrestrial system
    2.
    发明专利
    Antenna system for communicating simultaneously with satellite and terrestrial system 审中-公开
    天线系统同时与卫星和地面系统进行通信

    公开(公告)号:JP2008236791A

    公开(公告)日:2008-10-02

    申请号:JP2008131056

    申请日:2008-05-19

    CPC classification number: H01Q21/26 H01Q15/0013 H01Q21/245

    Abstract: PROBLEM TO BE SOLVED: To accomplish a function capable of communicating with a satellite and/or a terrestrial system and a function capable of receiving radio frequency signals having circularly polarized waves and/or linearly and vertically polarized waves.
    SOLUTION: The present invention relates to an antenna system for receiving both circularly polarized radio wave signals and linearly polarized radio wave signals, the circularly polarized radio signals arriving at the antenna system from a direction normal or oblique to a major surface of the antenna system and the linearly polarized radio signals arriving at the planar antenna system from a direction acute to the major surface. The antenna system includes a high impedance surface and a plurality of antenna elements disposed on the high impedance surface, the plurality of antenna elements being arranged in such a pattern on the surface that first selected ones of the antenna elements are responsive to circular polarization and second selected ones of the antenna elements are responsive to linear polarization.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:实现能够与卫星和/或地面系统通信的功能以及能够接收具有圆偏振波和/或线性和垂直极化波的射频信号的功能。 解决方案:本发明涉及一种用于接收圆偏振无线电波信号和线偏振无线电波信号的天线系统,该圆极化无线电信号是从正交或倾斜于方向正交或倾斜的方向到达天线系统的圆极化无线电信号 天线系统和从尖锐到主表面的方向到达平面天线系统的线偏振无线电信号。 天线系统包括高阻抗表面和设置在高阻抗表面上的多个天线元件,多个天线元件以这样的图案布置在表面上,第一选择的天线元件响应于圆偏振和第二 所选择的天线元件响应于线偏振。 版权所有(C)2009,JPO&INPIT

    Switch array and method for manufacturing the same
    3.
    发明专利
    Switch array and method for manufacturing the same 审中-公开
    开关阵列及其制造方法

    公开(公告)号:JP2008118699A

    公开(公告)日:2008-05-22

    申请号:JP2007335122

    申请日:2007-12-26

    CPC classification number: H01P1/10 H01P1/127 H01P5/04 H01Q13/085

    Abstract: PROBLEM TO BE SOLVED: To provide a mono-pole multi-input switches whose parasitic reactance is low, and an antenna with these switches being integrated therein.
    SOLUTION: A switch array comprises a plurality of MEMS switches arrayed on a substrate about a center position, with each MEMS switch being arranged on a common imaginary circle centered on the center position. Additionally, each MEMS switch is preferably arranged in equidistant manner, along the circumference of the imaginary circle. Contacts are provided that connect the RF port of each of the MEMS switches with the center position.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供寄生电抗低的单极多输入开关,以及将这些开关集成在其中的天线。 解决方案:开关阵列包括围绕中心位置排列在基板上的多个MEMS开关,每个MEMS开关布置在以中心位置为中心的共同假想圆上。 此外,每个MEMS开关优选地沿着假想圆的圆周等距离地布置。 提供了将每个MEMS开关的RF端口与中心位置连接的触点。 版权所有(C)2008,JPO&INPIT

    AN ANTENNA SYSTEM AND RF SIGNAL INTERFERENCE ABATEMENT METHOD
    6.
    发明申请
    AN ANTENNA SYSTEM AND RF SIGNAL INTERFERENCE ABATEMENT METHOD 审中-公开
    天线系统和RF信号干扰消除方法

    公开(公告)号:WO03021714A2

    公开(公告)日:2003-03-13

    申请号:PCT/US0227413

    申请日:2002-08-27

    Abstract: Disclosed is an antenna system including a Luneberg Lens having a spherically shaped outer surface and a spherically shaped focal surface spaced from its outer surface with a plurality of patch antenna elements disposed along the focal surface of the Luneberg Lens; and a power combiner for combining signals received by said plurality of patch antenna elements. The disclosed antenna system may be used a part of a robust GPS system having a plurality of GPS satellites each transmitting a GPS signal; a plurality of airborne GPS platforms, each GPS platform including a GPS transmitter for transmitting its own GPS signal, the GPS signals being transmitted from the plurality of airborne GPS platforms being differentiated from the GPS signals transmitted by visible GPS satellites; and at least one terrestrially located GPS receiver for receiving the GPS signals transmitted by visible ones of the GPS satellites and by visible ones of said airbortne GPS platforms.

    Abstract translation: 公开了一种天线系统,其包括具有球形外表面的Luneberg透镜和与其外表面间隔开的球形焦点表面,沿着Luneberg透镜的焦面设置有多个贴片天线元件; 以及用于组合由所述多个贴片天线元件接收的信号的功率合成器。 所公开的天线系统可以用于具有多个GPS卫星的鲁棒GPS系统的一部分,每个GPS卫星都发送GPS信号; 多个机载GPS平台,每个GPS平台包括用于发送其自己的GPS信号的GPS发射器,从多个机载GPS平台发送的GPS信号与可见GPS​​卫星发射的GPS信号不同; 以及至少一个地面定位的GPS接收机,用于接收由可见的GPS卫星和所述airbortne GPS平台中可见的GPS卫星发射的GPS信号。

    RF MEMs-tuned slot antenna and a method of making same

    公开(公告)号:GB2400240B

    公开(公告)日:2005-08-03

    申请号:GB0414429

    申请日:2002-12-06

    Applicant: HRL LAB LLC

    Abstract: A slot antenna for receiving and/or transmitting a RF signal at a desired one of a plurality of different frequencies. The slot antenna includes at least one conductive sheet having a slot defined therein, the slot being longer than it is wide and having at least one end which is open. A plurality of switch members are mounted along said slot close to the open end thereof, each of said plurality of switch members acting, when closed, to couple the at least one conductive sheet on one side of said slot to the at least one conductive sheet on a second side thereof. A feed point is provided for adjacent said slot. The plurality of switch members are closable in a controlled manner to change a desired resonance frequency at which the slot antenna receives and/or transmits the RF signal.

    RF MEMs-tuned slot antenna and a method of making same

    公开(公告)号:GB2400240A

    公开(公告)日:2004-10-06

    申请号:GB0414429

    申请日:2002-12-06

    Applicant: HRL LAB LLC

    Abstract: A slot antenna for receiving and/or transmitting a RF signal at a desired one of a plurality of different frequencies. The slot antenna includes at least one conductive sheet having a slot defined therein, the slot being longer than it is wide and having at least one end which is open. A plurality of switch members are mounted along said slot close to the open end thereof, each of said plurlaity of switch members acting, when closed, to couple the at least one conductive sheet on one side of said slot to the at least one conductive sheet on a second side thereof. A feed point is provided for adjacent said slot. The plurality of switch members are closable in a controlled manner to change a desired resonance frequency at which the slot antenna receives and/or transmits the RF signal.

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