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    • 73. 发明授权
    • Service transmission processing method, node device and network system
    • 业务传输处理方法,节点设备和网络系统
    • US09088379B2
    • 2015-07-21
    • US13289712
    • 2011-11-04
    • Jun YanGen ChenBo ZhangDa HeYu ZengLing PeiWei TanMin ChenXin Xiao
    • Jun YanGen ChenBo ZhangDa HeYu ZengLing PeiWei TanMin ChenXin Xiao
    • H04B10/00H04J3/16H04J14/00
    • H04J3/1652H04J2203/006
    • Embodiments of the present invention disclose a service transmission processing method, a node device and a network system are provided. One method includes: receiving service data after relay processing by a 3R relay node, where the relay processing includes terminating and regenerating an Optical Channel (OCh) of the service data, and when the OCh is terminated, transparent transmission is performed on an Optical channel Transport Unit (OTU); and performing defect detection on a path of the OTU to obtain a detection result of the path of the OTU. Another method includes: obtaining an overhead in an Optical Transport Network (OTN) frame; and judging whether the overhead includes a Client Signal Fail (CSF) inserted after a signal fails, and if the overhead includes the CSF, determining a path where a defect occurs according to the CSF.
    • 本发明的实施例公开了一种服务传输处理方法,节点装置和网络系统。 一种方法包括:在由3R中继节点进行中继处理之后接收业务数据,其中中继处理包括终止和重新生成业务数据的光信道(OCh),当OCh终止时,在光信道上执行透明传输 运输单位(OTU); 对OTU的路径进行缺陷检测,得到OTU路径的检测结果。 另一种方法包括:在光传送网(OTN)帧中获得开销; 并且判断开销是否包括在信号故障之后插入的客户端信号失败(CSF),并且如果开销包括CSF,则根据CSF确定发生缺陷的路径。
    • 75. 发明授权
    • Isolated flyback converter with sleep mode for light load operation
    • 具有睡眠模式的隔离反激式转换器,用于轻载操作
    • US08873254B2
    • 2014-10-28
    • US13418285
    • 2012-03-12
    • John D. MorrisMichael G. NegreteMin Chen
    • John D. MorrisMichael G. NegreteMin Chen
    • H02M3/335
    • H02M3/335H02M2001/0032Y02B70/16
    • A flyback converter uses primary side sensing to sense the output voltage for regulation feedback. A comparator on the primary side detects whether the output voltage has exceeded a predetermined regulated voltage by a first threshold to detect an over-voltage condition, resulting from a current generated by the converter exceeding the load current. Triggering of the comparator causes the converter to enter a non-switching sleep mode, whereby the output voltage droops over a period of time. When the output voltage has drooped below the predetermined regulated voltage by a second threshold, a synchronous rectifier is controlled to turn on, then off, to generate a pulse in the primary winding. Upon detection of the pulse, the sleep mode is terminated, and normal operation resumes until a regulated voltage is achieved or until the first threshold is again exceeded by the output voltage.
    • 反激转换器使用初级侧感测来检测输出电压以进行调节反馈。 初级侧的比较器检测输出电压是否超过预定的调节电压第一阈值,以检测由转换器产生的电流超过负载电流导致的过电压状况。 比较器的触发使得转换器进入非切换睡眠模式,由此输出电压在一段时间内下降。 当输出电压下降到低于预定调节电压第二阈值时,同步整流器被控制为接通,然后关断,以在初级绕组中产生脉冲。 当检测到脉冲时,停止睡眠模式,并且恢复正常操作,直到达到稳定电压或直到输出电压再次超过第一阈值为止。