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    • 4. 发明授权
    • Deployable lens antenna
    • 可部署镜头天线
    • US08077102B2
    • 2011-12-13
    • US12299516
    • 2008-08-08
    • Ronald F. E. GuyBruno P. PirolloRobert A. Lewis
    • Ronald F. E. GuyBruno P. PirolloRobert A. Lewis
    • H01Q19/06
    • H01Q15/06H01Q13/085Y10T156/1002Y10T156/1051
    • A deployable lens is provided for an antenna. The lens comprises an array of metallic lens elements formed on a plurality of planar sections of a dielectric substrate, each lens element comprising a first end-fire element directed towards a feed side of the lens, a second end-fire element directed towards a non-feed side of the lens and a section of transmission line for coupling signals between the first and second end-fire elements. The section of transmission line, preferably in the form of a slot-line transmission line, is integrated with the end-fire elements and is of a length determined according to the position of the lens element within the aperture of the lens as deployed. An antenna is also provided comprising a deployable lens according to the present invention.
    • 为天线提供可部署的镜头。 透镜包括形成在电介质基板的多个平面部分上的金属透镜元件的阵列,每个透镜元件包括指向透镜的馈送侧的第一端部元件,朝向非透镜的第二端部元件, - 透镜的一侧和用于在第一和第二端部火焰元件之间耦合信号的传输线的一部分。 优选地以槽线传输线的形式的传输线的部分与端部火焰元件集成,并且其长度根据透镜元件在透镜的孔内的位置确定。 还提供了包括根据本发明的可展开透镜的天线。
    • 8. 发明申请
    • Radiation Detector
    • 辐射检测器
    • US20080272307A1
    • 2008-11-06
    • US11885653
    • 2006-03-24
    • William I. HelsbyNicholas J. GlagueRobert A. LewisChristopher J. HallBrian T. Parker
    • William I. HelsbyNicholas J. GlagueRobert A. LewisChristopher J. HallBrian T. Parker
    • G01T1/185
    • G01T1/2935G01T1/185H01J47/06
    • Devices and methods for detecting radiation are described. A detector for detecting radiation comprises a housing containing an ionisable gas, an array of anode wires extending substantially in a first plane, and arranged to be held at a first potential for attracting electrons, and at least one cathode wire spaced in a predetermined relationship from the anode wires, arranged to be held at a second, lower potential. The detector further comprises at least one additional electrode positioned adjacent a periphery of the array of anode wires, and arranged to be held at a third potential, greater than the second potential. A window for a radiation detector is described and comprising a housing containing an ionisable gas is also described. The window comprises a layer formed of an electrically conductive material forming an electrode, a layer formed of a plastic, arranged to support the layer formed of electrically conductive material, and a layer of gas impermeable material.
    • 描述了用于检测辐射的装置和方法。 用于检测辐射的检测器包括:壳体,其包含可离子化气体,基本上在第一平面中延伸的阳极线阵列,并且被布置成保持在用于吸引电子的第一电位;以及至少一个与预定关系间隔开的阴极线 阳极线布置成保持在第二较低电位。 检测器还包括邻近阳极线阵列的周边定位的至少一个附加电极,并被布置成保持在比第二电位大的第三电位。 还描述了用于辐射检测器的窗口,并且包括含有可离子化气体的壳体。 窗口包括由形成电极的导电材料形成的层,由塑料形成的层,布置成支撑由导电材料形成的层,以及不透气材料层。