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    • 2. 发明申请
    • Beam forming matrix-fed circular array system
    • 梁形成矩阵馈送圆阵列系统
    • US20050259005A1
    • 2005-11-24
    • US10878723
    • 2004-06-28
    • Bing ChiangMichael LynchDouglas WoodSteven Goldberg
    • Bing ChiangMichael LynchDouglas WoodSteven Goldberg
    • H01Q3/22H01Q3/24H01Q3/26H01Q21/20H01Q25/00
    • H01Q21/205H01Q3/24H01Q3/2682H01Q25/00
    • A matrix-fed circular array system includes a plurality of antennas, a plurality of azimuth matrices in communication with the antennas, and a plurality of elevation matrices in communication with the azimuth matrices. The array system forms M×N beams, where M is the number of azimuth beams, and N is the number of elevation beams. In another embodiment, through the use of a Shelton-Butler or Butler matrix which includes a plurality of hybrids, the system outputs omni-directional pancake-shaped radiation patterns that are isolated from each other when a communication signal is input into the system. In yet another embodiment, the system uses a beam forming network including two Shelton-Butler matrices. A first one of the Shelton-Butler matrices creates omni-directional pancake beams that are isolated from each other, and a second Shelton-Butler matrix creates multiple directive beams in an azimuth plane.
    • 矩阵馈送圆阵列系统包括多个天线,与天线通信的多个方位角矩阵,以及与方位角矩阵通信的多个仰角矩阵。 阵列系统形成MxN光束,其中M是方位角光束的数量,N是仰角光束的数量。 在另一个实施例中,通过使用包括多个混合器的Shelton-Butler或Butler矩阵,当通信信号被输入到系统中时,系统输出彼此隔离的全向煎饼状辐射图。 在另一个实施例中,系统使用包括两个Shelton-Butler矩阵的波束形成网络。 Shelton-Butler矩阵中的第一个产生彼此隔离的全向煎饼束,第二个Shelton-Butler矩阵在方位平面中创建多个指向光束。
    • 5. 发明申请
    • Antenna for controlling a beam direction both in azimuth and elevation
    • 用于控制方位角和仰角的光束方向的天线
    • US20060082514A1
    • 2006-04-20
    • US11065752
    • 2005-02-25
    • Bing ChiangMichael LynchSteven Goldberg
    • Bing ChiangMichael LynchSteven Goldberg
    • H01Q21/00
    • H01Q19/06H01Q19/26H01Q19/28
    • An antenna for controlling a beam direction both in azimuth and elevation is disclosed. An antenna comprises a ground plane, at least one active element, and a plurality of passive elements. Both an upper half and a lower half of the passive elements are connected to the ground plane with variable reactive loads, whereby elevation angle of the radio beam is controlled by adjusting the variable reactive loads. Alternatively, an antenna may comprise a radio frequency (RF) choke coupled to the ground plane, whereby an elevation angle of the radio beam is controlled by controlling the RF choke. Alternatively, an antenna comprises a variable lens for changing a wave front of a radio wave which is passing through the variable lens, whereby the beam width and direction are controlled by the variable lens.
    • 公开了一种用于控制方位和仰角的光束方向的天线。 天线包括接地平面,至少一个有源元件和多个无源元件。 无源元件的上半部分和下半部分均连接到具有可变无功负载的接地平面,由此通过调整可变无功负载来控制无线电波束的仰角。 或者,天线可以包括耦合到接地平面的射频(RF)扼流圈,由此通过控制RF扼流圈来控制无线电波束的仰角。 或者,天线包括用于改变通过可变透镜的无线电波的波前的可变透镜,由此可变透镜控制光束宽度和方向。
    • 8. 发明申请
    • Work Surface Device
    • 工作台面装置
    • US20080041278A1
    • 2008-02-21
    • US11925488
    • 2007-10-26
    • Steven GoldbergPhillip Berkovitz
    • Steven GoldbergPhillip Berkovitz
    • A47B37/00A47B85/00
    • B65F1/14A47B23/001A47J47/005B65F1/10
    • A work surface device has an upper member with a substantially planar top surface. A support is secured to the upper member for supporting the upper member on a support member with the planar top surface in a generally horizontal orientation. The support has a fastener or clamping device at its lower end for releasable engagement with a portion of the support member. A work board of shape and dimensions generally matching the shape and dimensions of the top surface may be placed on the top surface. The work board and upper member have aligned openings in which a receptacle may be seated or through which waste may be discarded into a container beneath the work surface. In one arrangement, the clamping device is secured to the upper rim of a container with the work surface spaced above the open upper end of the container.
    • 工作表面装置具有上部构件,该上部构件具有基本平坦的顶部表面。 支撑件被固定到上部构件,用于将支撑构件支撑在支撑构件上,其中平面顶表面处于大致水平的方向。 支撑件在其下端具有紧固件或夹紧装置,用于与支撑构件的一部分可释放地接合。 通常与顶表面的形状和尺寸匹配的形状和尺寸的工作板可以放置在顶表面上。 工作板和上部构件具有对准的开口,在该开口中容器可以被放置在其中,废物可以被丢弃到工作表面下方的容器中。 在一种布置中,夹紧装置被固定到容器的上边缘,其中工作表面在容器的敞开的上端部上方间隔开。