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    • 42. 发明授权
    • Optical bus
    • 光总线
    • US08503842B2
    • 2013-08-06
    • US13225200
    • 2011-09-02
    • Frank Levinson
    • Frank Levinson
    • G02B6/26G02B6/42
    • G02B6/4246G02B6/4214H04B10/2504H04B10/278
    • An optical bus. Optical sub-assemblies are used to connect lengths of optical fiber to form a single optical fiber that is a bus. A master transceiver may be connected to one end of the fiber and nodes can be connected to the optical sub-assemblies. Each optical sub-assembly includes a center fiber with a mirror that enables each connector to reflect optical signals out of the fiber and that enables a node to launch optical signals on the optical bus. The optical bus can also be connected with a second transceiver that may be used to deliver optical power to the attached nodes. Some nodes include two optical subassemblies to enable bidirectional communication on the optical bus.
    • 光总线。 光子组件用于连接光纤的长度以形成作为总线的单个光纤。 主收发器可以连接到光纤的一端,并且节点可以连接到光学子组件。 每个光学子组件包括具有反射镜的中心光纤,其使得每个连接器能够将光信号反射出光纤,并且使得节点能够在光学总线上发射光信号。 光总线也可以与第二收发器连接,第二收发器可用于向所连接的节点传送光功率。 一些节点包括两个光学子组件,以在光学总线上实现双向通信。
    • 47. 发明申请
    • METHODS AND APPARATUS TO DEPLOY FIBER OPTIC BASED ACCESS NETWORKS
    • 基于光纤的访问网络的方法和设备
    • US20100119235A1
    • 2010-05-13
    • US12268209
    • 2008-11-10
    • Zhi CuiThomas Anschutz
    • Zhi CuiThomas Anschutz
    • H04B10/00G02B6/26
    • H04B10/27H04B10/278H04J14/028
    • Methods and apparatus to deploy fiber optic based access networks are disclosed. An example access network comprises a first fiber optic cable segment to couple an optical access head-end to a first pedestal and to transport user data, a second fiber optic cable segment to couple the first pedestal to a second pedestal and to transport a first portion of the user data to the second pedestal, a drop cable segment to couple the first pedestal to a customer premises and to transport a second portion of the user data to the customer premises, and a switch at the first pedestal to route the first portion of the user data between the first and second fiber optic cable segments and to route the second portion of the user data between the first fiber optic cable segment and the drop cable segment.
    • 公开了部署基于光纤的接入网络的方法和装置。 示例性接入网络包括将光学接入前端耦合到第一基座并传输用户数据的第一光纤电缆段,将第一基座耦合到第二基座的第二光纤电缆段,以及将第一部分 将用户数据传送到第二基座,将电缆段连接到客户驻地并将用户数据的第二部分传送到客户驻地的下拉电缆段,以及在第一基座处的开关,以将第一部分 在第一和第二光纤电缆段之间的用户数据并且在第一光纤电缆段和分接电缆段之间路由用户数据的第二部分。
    • 48. 发明授权
    • Tree optical transmission network
    • 树光传输网络
    • US07536104B2
    • 2009-05-19
    • US11109782
    • 2005-04-20
    • Emmanuel DotaroNicolas Le Sauze
    • Emmanuel DotaroNicolas Le Sauze
    • H04J14/00
    • H04J14/0226H04B10/278H04J14/0247H04J14/0252H04J14/0282
    • The network comprises an optical interconnection tree linking sending points of stations to a receiving point of a concentrator via access links (F1-F3), a coupling system (C) and a common optical link (OL). The stations can send optical signals (λu1, λu2, λu3) each carried by the same “uplink” wavelength (λu). Each station includes a carrier detection system able to detect the presence at its sending point (Ki) of an optical wave at said uplink wavelength (λu) that was not sent by the same station. The detection system cooperates with sending control means to inactivate sending if such presence is detected. The network further includes: an emulator (LDa, Ca, G1-G3) adapted to send auxiliary waves (λa1, λa2, λa3) at said uplink wavelength (λu) and to couple them into the access links (F1-F3) so that they propagate in the downlink propagation direction; and a control system (2a) of the emulator for selectively activating the sending of the auxiliary waves. The invention is particularly applicable to optical access or metropolitan networks.
    • 网络包括通过接入链路(F1-F3),耦合系统(C)和公共光链路(OL)将站点的发送点链接到集中器的接收点的光互连树。 这些站可以发送每个由相同“上行”波长(lambdau)承载的光信号(lambdau1,lambdau2,lambdau3)。 每个站包括载波检测系统,其能够检测在其不由同一站发送的所述上行链路波长(lambdau)处的光波在其发送点(Ki)处的存在。 如果检测到这种存在,则检测系统与发送控制装置协作来停用发送。 该网络还包括:适于在所述上行链路波长(lambdau)发送辅助波(λa1,λa2,λa3)并将它们耦合到接入链路(F1-F3)中的仿真器(LDa,Ca,G1-G3) 它们在下行传播方向传播; 以及用于选择性地激活辅助波的发送的仿真器的控制系统(2a)。 本发明特别适用于光接入或城域网。