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    • 6. 发明授权
    • Radiator lifting and holding apparatus
    • 散热器举升装置
    • US4856767A
    • 1989-08-15
    • US200017
    • 1988-05-26
    • Kenneth R. Wood
    • Kenneth R. Wood
    • B25B11/00B25H1/00B66F19/00
    • B25H1/0007B25B11/00B66F19/00
    • A radiator lifting and holding apparatus includes an upright support stand, a radiator clamping mechanism, a stop mechanism, and a radiator winch-type lifting mechanism. The clamping mechanism includes a pair of clamping members coupled to respective upright post members of an upright structure of the support stand for adjustable movement toward and away from one another for clamping a radiator therebetween at a desired elevation above the ground while at the same time allowing rotation of the radiator to a desired angular position. The stop mechanism is mounted on one upright post member of the support stand and is cooperable with one of the clamping members to lock the radiator against further rotation and thus maintain it stationary at the desired angular position. The lifting mechanism is mounted to the support stand upright structure independently of the clamping mechanism and is operable independently of operation of the clamping mechanism for elevating the radiator from a ground level position at a base of the support stand to the desired elevation thereabove and into alignment with the clamping mechanism. Also, an inclined ramp structure is mounted on the support stand base and configured to facilitate slidably moving the radiator upwardly and onto the base and into a position for grasping thereof by the lifting mechanism.
    • 散热器提升保持装置包括立式支撑架,散热器夹紧机构,止动机构和散热器绞盘式提升机构。 夹紧机构包括一对夹紧构件,其联接到支撑架的立式结构的相应的直立柱构件,用于可调节地朝向和远离彼此移动,以在地面上的所需高度夹紧散热器,同时允许 将散热器旋转到期望的角度位置。 止动机构安装在支撑架的一个直立柱构件上,并与其中一个夹紧构件配合,以将散热器锁定以防止进一步旋转,从而将其保持在期望的角度位置。 提升机构独立于夹紧机构安装到支撑架直立结构上,并且独立于夹紧机构的操作而操作,用于将散热器从支撑架的底部处的地平面位置升高到其上方的期望高度并且对准 与夹紧机构。 此外,倾斜的斜坡结构安装在支撑架底座上,并且构造成便于将散热器向上滑动地移动到基座上并进入用于通过提升机构抓握的位置。
    • 7. 发明授权
    • Transreflector antenna for wireless communication system
    • 无线通信系统用透射天线
    • US06370398B1
    • 2002-04-09
    • US09317767
    • 1999-05-24
    • Sridhar KanamaluruKenneth R. Wood
    • Sridhar KanamaluruKenneth R. Wood
    • G01S1300
    • H01Q19/195H01Q1/425
    • A compact lightweight antenna for receiving microwave direct line of sight wireless data signals used in services such as Local Multipoint Distribution Services (LMDS). The antenna provides for precise control over isolation of polarized signals. The antenna consists of an external parabolically shaped dome formed of a suitably resilient material such as thermoplastic. A polarizing metal grid is formed on the interior surface of the dome and serves as a transreflector for initially passing received radiation having a vertical polarization. A twist reflector disposed at a point along an axis defined by the metal grid reflects the received radiation, back in the direction of the transreflector with a different polarization. The now differently polarized energy is reflected by the parabolically shaped metal grid at a feed point located in the center of the twist plate. Operation for transmitting energy is analogous. The arrangement provides a minimum part count, low cost, low profile, easy to use antenna for line of sight full duplex microwave data applications.
    • 一种紧凑的轻型天线,用于接收微波直接视线无线数据信号,用于诸如本地多点分配服务(LMDS)等服务。 该天线提供对偏振信号隔离的精确控制。 该天线包括由适当弹性材料如热塑性塑料形成的外部抛物线形圆顶。 偏振金属网格形成在圆顶的内表面上,并用作用于最初通过具有垂直极化的接收辐射的透射反射器。 设置在沿着由金属栅格限定的轴的点处的扭转反射器以不同的偏振反射接收的辐射,沿着反射器的方向。 现在不同的极化能量被位于扭板中心的馈电点处的抛物线形金属网格反射。 传输能量的操作类似。 该布置提供了最小的零件数量,低成本,低调,易于使用的天线,用于视线全双工微波数据应用。
    • 8. 发明授权
    • Transreflector antenna for wireless communication system
    • 无线通信系统用透射天线
    • US06965784B2
    • 2005-11-15
    • US10081035
    • 2002-02-21
    • Sridhar KanamaluruKenneth R. Wood
    • Sridhar KanamaluruKenneth R. Wood
    • H01Q15/12H01Q1/42H01Q19/06H01Q19/195H04M1/00
    • H01Q19/195H01Q1/425
    • A compact lightweight antenna for receiving microwave direct line of sight wireless data signals used in services such as Local Multipoint Distribution Services (LMDS). The antenna provides for precise control over isolation of polarized signals. The antenna consists of an external parabolically shaped dome formed of a suitably resilient material such as thermoplastic. A polarizing conductive grating is formed on the interior surface of the dome and serves as a transreflector for initially passing received radiation having a vertical polarization. A twist reflector disposed at a point along an axis defined by the conductive grating reflects the received radiation, back in the direction of the transreflector with a different polarization. The now differently polarized energy is reflected by the parabolically shaped conductive grating at a feed point located in the center of the twist plate. The transreflecting element may be manufactured by providing a substrate that has been printed and etched and/or a film nonconductive substrate which has been silk screened with a conductive ink. In each of these cases in a preferred embodiment, the substrate or carrier film becomes an integral part of the mold in the resulting article.
    • 一种紧凑的轻型天线,用于接收微波直接视线无线数据信号,用于诸如本地多点分配服务(LMDS)等服务。 该天线提供对偏振信号隔离的精确控制。 该天线包括由适当弹性材料如热塑性塑料形成的外部抛物线形圆顶。 偏振导电光栅形成在圆顶的内表面上,并用作用于最初通过具有垂直极化的接收辐射的透射反射器。 设置在由导电光栅限定的轴的点处的扭转反射器以不同的偏振反射接收的辐射,沿着反射器的方向。 现在不同极化的能量在位于扭板中心的馈电点处被抛物线形导电光栅所反射。 可以通过提供已经印刷和蚀刻的基板和/或已经用导电油墨丝网印刷的非导电基板来制造转移元件。 在优选实施例中的每种情况下,基板或载体膜成为所得制品中模具的组成部分。