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    • 81. 发明授权
    • Millimeter wave communications system with a high performance modulator circuit
    • 毫米波通信系统具有高性能调制电路
    • US07065326B2
    • 2006-06-20
    • US10319058
    • 2002-12-12
    • John LovbergRichard ChedesterPaul JohnsonLouis Slaughter
    • John LovbergRichard ChedesterPaul JohnsonLouis Slaughter
    • H04B1/40H03C3/00
    • H04B10/1123H01Q1/125H01Q19/10H04B1/3805H04B1/52H04B7/0408H04B10/1149H04B10/40
    • A high data rate communication system operating at frequencies greater than 70 MHz and at data rates of about 1.25 Gbps or greater. Preferred embodiments include modulators with a resonant LC circuit including a diode which is back-biased for “off” (i.e., no transmit) and forward biased for “on” (or transmit). The modulator is a part of high performance transceivers for wireless, millimeter wave communications links. A preferred embodiment provides a communication link of more than eight miles which operates within the 71 to 76 GHz portion of the millimeter spectrum and provides data transmission rates of 1.25 Gbps with bit error rates of less than 10−10 . A first transceiver transmits at a first bandwidth and receives at a second bandwidth both within the above spectral range. A second transceiver transmits at the second bandwidth and receives at the first bandwidth. The transceivers are equipped with antennas providing beam divergence small enough to ensure efficient spatial and directional partitioning of the data channels so that an almost unlimited number of transceivers will be able to simultaneously use the same spectrum. In a preferred embodiment the first and second spectral ranges are 71.8+/−0.63 GHz and 73.8+/−0.63 GHz and the half power beam width is about 0.2 degrees or less. Preferably, a backup transceiver set is provided which would take over the link in the event of very bad weather conditions. In other embodiments especially useful for mobile applications at least one of the transceivers include a GPS locator.
    • 高数据率通信系统,工作频率大于70 MHz,数据速率约为1.25 Gbps或更高。 优选实施例包括具有谐振LC电路的调制器,该谐振LC电路包括被反向偏置为“关”(即,不发送)并且被正向偏置用于“导通”(或发送)的二极管。 调制器是用于无线毫米波通信链路的高性能收发器的一部分。 优选实施例提供了在毫米频谱的71至76GHz部分内工作的八英里以上的通信链路,并提供1.25Gbps的数据传输速率,其误码率小于10〜 。 第一收发机以第一带宽传输并在上述频谱范围内以第二带宽接收。 第二收发器以第二带宽发送并以第一带宽进行接收。 收发器配备有提供足够小的光束发散的天线,以确保数据信道的有效的空间和方向分区,使得几乎无限数量的收发器将能够同时使用相同的频谱。 在优选实施例中,第一和第二光谱范围为71.8 +/- 0.63GHz和73.8 +/- 0.63GHz,半功率波束宽度为约0.2度或更小。 优选地,提供备用收发器组,其在天气条件恶劣的情况下接管链路。 在其他实施例中对于移动应用尤其有用,至少一个收发器包括GPS定位器。
    • 82. 发明申请
    • Hand tool
    • 手工具
    • US20060097530A1
    • 2006-05-11
    • US10513902
    • 2003-05-09
    • Elizabeth MarquardtPaul JohnsonAnthony KonklerNathan Fethke
    • Elizabeth MarquardtPaul JohnsonAnthony KonklerNathan Fethke
    • A01B1/22
    • A01B1/22A01B1/02B25G1/102
    • An proved hand tool is disclosed having an elongated handle member (40) coupled to a tool head (20) and includes a junction (60) between the handle member and a surface of the tool head that defines an elongated interface. A weld (36) is provided along substantially all of the elongated interface so that the tool head is rigidly attached to a lower end of the handle member. A gripping member (80) is coupled to an upper end of the handle member and has a top portion (88) with an arcuate profile coupled to a bottom portion (90) having a substantially U-shaped profile. The tool head includes a blade member formed of a material having a first thickness and integrally formed with a step member having a second thickness greater than the first thickness.
    • 公开了一种经证实的手工工具,其具有联接到工具头(20)的细长手柄构件(40),并且包括在手柄构件和限定细长接口的工具头表面之间的接合部(60)。 沿着基本上所有的细长界面设置焊缝(36),使得工具头刚性地附接到手柄构件的下端。 夹持构件(80)联接到手柄构件的上端,并且具有连接到具有大致U形轮廓的底部(90)的弧形轮廓的顶部部分(88)。 工具头包括由具有第一厚度的材料形成并与第二厚度大于第一厚度的台阶部件整体形成的刀片部件。
    • 84. 发明申请
    • Press brake tooling technology
    • 压制工具技术
    • US20050132772A1
    • 2005-06-23
    • US10742439
    • 2003-12-19
    • Heath HarringtonPatrick CampbellPaul JohnsonBryan Rogers
    • Heath HarringtonPatrick CampbellPaul JohnsonBryan Rogers
    • B21D5/02B21D37/04
    • B21D37/04B21D5/0209B21D5/0236
    • The invention provides press brake and press brake tooling technology. Certain embodiments of the invention provide a press brake tool that has an elongated, retractable safety key. In certain embodiments, the invention provides click-in/slide-out press brake tools. In some of these embodiments, the tool has a safety key defining a flat (i.e., a planar wall section/planar surface) that is adapted for sliding along a surface of a tool holder when the tool is dismounted from the holder by moving the tool horizontally out of the holder. In certain embodiments, the flat has a longitudinal length of at least about 0.008 inch (in some cases, at least about 0.010 inch, at least about 0.015 inch, or at least about 0.020 inch), ranging up to the full longitudinal length of the tool. In certain embodiments, the invention provides a press brake tool and a tool holder in combination. Finally, the invention in some embodiments provides methods of press brake operation.
    • 本发明提供压制和压制工具技术。 本发明的某些实施例提供一种具有细长的,可收回的安全钥匙的压制机工具。 在某些实施例中,本发明提供了踩入/滑出式压制工具。 在这些实施例中的一些实施例中,工具具有限定平面(即,平坦的壁部分/平面表面)的安全钥匙,该安全钥匙适于沿着工具保持器的表面滑动,当工具通过移动工具 水平地离开支架。 在某些实施例中,扁平物具有至少约0.008英寸(在一些情况下,至少约0.010英寸,至少约0.015英寸,或至少约0.020英寸)的纵向长度,其范围至 工具。 在某些实施例中,本发明组合地提供压制机工具和工具架。 最后,在一些实施例中,本发明提供了压制操作的方法。
    • 89. 发明授权
    • Narrow beamwidth communication link with alignment camera
    • 与对准摄像机的窄波束宽度通信链路
    • US06587699B2
    • 2003-07-01
    • US10044556
    • 2002-01-11
    • Randall B. OlsenLouis SlaughterJohn LovbergKenneth Y. TangVladimir KolinkoPaul Johnson
    • Randall B. OlsenLouis SlaughterJohn LovbergKenneth Y. TangVladimir KolinkoPaul Johnson
    • H04B138
    • H04B10/1123G01V8/005H01Q1/125H01Q3/2682H01Q19/10H04B1/3805H04B7/0408H04B10/1149H04B10/40
    • Equipment and methods for aligning the antennas of two transceivers of a point-to-point wireless millimeter wave communications link and keeping them aligned. Each of two communicating antennas is equipped with a telescopic camera connected to a processor programmed to recognize landscape images. The processors are programmed to remember the pattern of the landscape as it appears when the antennas are aligned. Each of the cameras then view the landscape periodically or continuously and if the landscape in view changes by more than a predetermined amount a signal is provided to indicate a misalignment. An operator can then take corrective action or alternatively the antenna system can be configured for remote or automatic realignment based of feedback from the camera. In a preferred embodiment, the antennas are initially aligned by substituting a narrow band oscillator power source for the signal transmitting electronics associated with a first antenna and a power detector is substituted for the signal receiving electronics of associated with a second antenna.
    • 用于对准点对点无线毫米波通信链路的两个收发器的天线并保持它们对准的设备和方法。 两个通信天线中的每一个配备有连接到被编程为识别风景图像的处理器的望远镜。 处理器被编程为记住当天线对齐时出现的风景图案。 每个相机然后周期性地或连续地观看景观,并且如果景观中的景观改变超过预定量,则提供信号以指示未对准。 然后,操作员可以采取纠正措施,或者天线系统可以被配置为基于来自相机的反馈的远程或自动重新对准。 在优选实施例中,通过将窄带振荡器电源替换为与第一天线相关联的信号传输电子装置,天线最初对准,功率检测器代替与第二天线相关联的信号接收电子装置。