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    • 2. 发明授权
    • Marine ropeway
    • 海运索道
    • US08801327B2
    • 2014-08-12
    • US13566614
    • 2012-08-03
    • Eric G. Johnson
    • Eric G. Johnson
    • E02B15/06
    • E02B15/06A01K61/80B63B21/56B63B21/64B63B2021/566B66D1/60E02B3/00
    • An apparatus is provided for moving a floating or submerged marine structure. Embodiments include a track fixedly mounted near or under the waterline surface, extending from a first point to a second point for defining a path of motion of the marine structure. A riser cable has a first end movably attached to the track between the first and second points, and a second end fixedly attached to the marine structure. A trolley is attached to the first end of the riser cable between the first end and the track, and has a roller for engaging the track for distributing environmental forces of the marine structure to the track. A drive unit is attached to the marine structure (or to the trolley) for moving the marine structure (or the trolley) such that the marine structure or one end of the marine structure moves along the path of the track.
    • 提供一种用于移动浮式或浸没式海洋结构的装置。 实施例包括固定地安装在水线表面附近或下方的轨道,其从第一点延伸到第二点以限定海洋结构的运动路径。 提升缆线具有可移动地连接到第一和第二点之间的轨道的第一端和固定地连接到海洋结构的第二端。 手推车在第一端和轨道之间连接到提升板电缆的第一端,并且具有用于接合轨道的辊,用于将海洋结构的环境力分配给轨道。 驱动单元连接到海洋结构(或台车)上,用于移动海洋结构(或手推车),使得海洋结构或海洋结构的一端沿着轨道的路径移动。
    • 6. 发明授权
    • Communication system providing hybrid optical/wireless communications and related methods
    • 通信系统提供混合光/无线通信及相关方法
    • US08050244B2
    • 2011-11-01
    • US12472586
    • 2009-05-27
    • Raymond Charles RumpfEric G. Johnson
    • Raymond Charles RumpfEric G. Johnson
    • H04W4/00
    • H04B10/25752
    • A communication system includes at least one optical-wireless device coupled to a longitudinal side of an optical fiber. The optical-wireless device may include an optical fiber power unit for converting optical power into electrical power, and a wireless communication unit electrically powered by the optical fiber power unit. The optical-wireless device may include a substrate mounting the optical fiber power unit and the wireless communication unit to the longitudinal side of the optical fiber. The wireless communication unit may include a radio frequency transmitter, and a signal optical grating coupling the transmitter to the longitudinal side of the optical fiber. The radio frequency transmitter in some embodiments may include an ultra-wideband transmitter. A dipole antenna may also be provided including first and second portions extending in opposite directions along the longitudinal side of the optical fiber.
    • 通信系统包括耦合到光纤的纵向侧的至少一个光学无线设备。 光无线设备可以包括用于将光功率转换为电力的光纤功率单元,以及由光纤功率单元供电的无线通信单元。 光无线装置可以包括将光纤功率单元和无线通信单元安装到光纤的纵向侧的基板。 无线通信单元可以包括射频发射器和将发射器耦合到光纤的纵向侧的信号光栅。 在一些实施例中,射频发射机可以包括超宽带发射机。 还可以提供偶极天线,其包括沿着光纤的纵向侧沿相反方向延伸的第一和第二部分。
    • 9. 发明授权
    • Multi-mode fiber coupler, system and associated methods
    • 多模光纤耦合器,系统及相关方法
    • US06530697B1
    • 2003-03-11
    • US09329996
    • 1999-06-11
    • Eric G. JohnsonMichael R. Feldman
    • Eric G. JohnsonMichael R. Feldman
    • G02B636
    • G02B6/4204G02B6/29311G02B6/4203G02B6/4206G02B6/4214
    • An optical coupler reduces differential mode delay in a fiber by reducing an amount of light incident on the fiber in a region in which the refractive index is not well controlled. This region of the fiber is typically in the center of the fiber. The optical coupler directs light away from the this region and/or provides a high angle of incidence to any light on this region. A diffuser may be used to reduce sensitivity of the coupler to any fluctutations in the output of the light source. The optical coupler does not need to be offset from the center of the multi-mode coupler. A phase function of an azimuthal mode of the fiber may be imposed on the light beam so that a substantial null on axis is maintained even after propogation of the light beam beyond the depth of focus of the coupler. A diffractive element generating a beam which propogates in a spiral fashion along an axis allows the shape of the beam to be maintained for longer than a depth of focus of the diffractive element.
    • 光耦合器通过减少入射在光纤上的光的折射率不能很好地控制的区域中的光纤中的差模延迟。 纤维的该区域通常在纤维的中心。 光耦合器将光远离该区域并且/或提供与该区域上的任何光的高角度入射。 可以使用扩散器来降低耦合器对光源的输出中的任何波动的灵敏度。 光耦合器不需要偏离多模耦合器的中心。 光纤的方位角模式的相位函数可以施加在光束上,使得即使在光束传播超过耦合器的焦深之后,也保持基本上的零轴。 产生沿着轴以螺旋方式传播的光束的衍射元件允许光束的形状保持长于衍射元件的焦深。