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    • 7. 发明授权
    • Container for storing disc-like storage media
    • 用于存储盘状存储介质的容器
    • US06447078B1
    • 2002-09-10
    • US09852571
    • 2001-05-10
    • Gang Zheng
    • Gang Zheng
    • A47B8106
    • A47B81/068G11B33/0444
    • A container for storing disc-like storage media is disclosed. The container for storing disc-like storage media includes a back cover and a turntable. The back cover has a front opening. The turntable has a substantially planar front side and a fan-shaped back side. The fan-shaped back side includes multiple storage grooves radially distributed around the fan-shaped back side. Each of the storage grooves is capable of receiving a substantially planar storage medium. The turntable is rotatable from a concealed position in which the fan-shaped back side is concealed within the back cover to an exposed position in which the fan-shaped back side is at least partially extends outside of the back cover.
    • 公开了一种用于存储盘状存储介质的容器。 用于存储盘状存储介质的容器包括后盖和转台。 后盖有一个前开口。 转台具有大致平坦的前侧和扇形后侧。 扇形背面包括围绕扇形背面径向分布的多个存储槽。 每个存储槽能够接收基本上平面的存储介质。 转盘可以从隐藏的位置旋转,其中扇形背面被隐藏在后盖内到暴露位置,其中扇形后侧至少部分地延伸到后盖的外部。
    • 10. 发明申请
    • Passive Optical Network System and Method for Protecting the Services of the Same
    • 被动光网络系统及其保护方法
    • US20070217788A1
    • 2007-09-20
    • US11611382
    • 2006-12-15
    • Hai GaoGang Zheng
    • Hai GaoGang Zheng
    • H04B10/00
    • H04Q11/0067H04J3/14H04J3/1694H04Q2011/0081
    • The present disclosure provides a passive optical network (PON) system and a method for protecting the service of the system for service recovery and fault locating in case of a failure of the network, wherein the PON system comprises an optical line terminal (OLT), an optical distribution network (ODN) and an optical network terminal (ONT) equipment protection group comprising a plurality of ONT equipment groups, each of which is connected to at least one of other ONT equipment groups within the ONT equipment protection group for the mutual protection relationship. The PON system of the present disclosure does not require equipment and link redundancy for backup, contributes to reduced cost and improved utilization of resources, and provides a means for diagnosing any faults of the links and equipment in the network.
    • 本公开提供了一种无源光网络(PON)系统和一种在网络故障的情况下保护用于服务恢复和故障定位的系统的服务的方法,其中PON系统包括光线路终端(OLT), 光分配网络(ODN)和包括多个ONT设备组的光网络终端(ONT)设备保护组,每个ONT设备组连接到ONT设备保护组内的其他ONT设备组中的至少一个,用于相互保护 关系。 本公开的PON系统不需要用于备份的设备和链路冗余,有助于降低成本并提高资源的利用率,并且提供用于诊断网络中的链路和设备的任何故障的手段。