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    • 6. 发明授权
    • Optical receiver and optical transfer apparatus
    • 光接收机和光传输设备
    • US08712255B2
    • 2014-04-29
    • US13113591
    • 2011-05-23
    • Hiroshi TakeuchiKohei MandaiKoji TakatoriYasuyuki FukashiroHideaki Tsushima
    • Hiroshi TakeuchiKohei MandaiKoji TakatoriYasuyuki FukashiroHideaki Tsushima
    • H04B10/67H04B10/69
    • H04B10/25133
    • It is provided an optical receiver comprising a compensator, a compensation controller and a clock extractor. The optical receiver selects first and second values, and obtains a stabilization time necessary to change the dispersion value and a transition time shorter than the stabilization time, compensates the received optical signal using the selected first value, changes the dispersion value from the first value into the second value, compensates the received optical signal using the dispersion value when the transition time has passed since starting to change the dispersion value, creates second extraction information of the dispersion value after the transition time, compensates for dispersion of the optical signal using an dispersion value calculated based on the second value and the difference between the dispersion value after the transition time and the second value in a case where the created second extraction information indicates that the clock extraction is available.
    • 提供了一种光接收器,包括补偿器,补偿控制器和时钟提取器。 光接收机选择第一值和第二值,并获得改变色散值和比稳定时间短的转换时间所需的稳定时间,使用所选择的第一值补偿接收到的光信号,将色散值从第一值改变为 第二值,由于从开始改变色散值开始经过转换时间之后,利用色散值补偿接收到的光信号,在转换时间之后产生色散值的第二提取信息,使用色散补偿光信号的色散 在创建的第二提取信息表示时钟提取可用的情况下,基于第二值计算的值和转换时间之后的色散值与第二值之间的差值。
    • 7. 发明申请
    • OPTICAL RECEIVER AND OPTICAL TRANSFER APPARATUS
    • 光接收器和光传输设备
    • US20110293270A1
    • 2011-12-01
    • US13113591
    • 2011-05-23
    • Hiroshi TakeuchiKohei MandaiKoji TakatoriYasuyuki FukashiroHideaki Tsushima
    • Hiroshi TakeuchiKohei MandaiKoji TakatoriYasuyuki FukashiroHideaki Tsushima
    • H04B10/06H04J14/00
    • H04B10/25133
    • It is provided an optical receiver comprising a compensator, a compensation controller and a clock extractor. The optical receiver selects first and second values, and obtains a stabilization time necessary to change the dispersion value and a transition time shorter than the stabilization time, compensates the received optical signal using the selected first value, changes the dispersion value from the first value into the second value, compensates the received optical signal using the dispersion value when the transition time has passed since starting to change the dispersion value, creates second extraction information of the dispersion value after the transition time, compensates for dispersion of the optical signal using an dispersion value calculated based on the second value and the difference between the dispersion value after the transition time and the second value in a case where the created second extraction information indicates that the clock extraction is available.
    • 提供了一种光接收器,包括补偿器,补偿控制器和时钟提取器。 光接收机选择第一值和第二值,并获得改变色散值和比稳定时间短的转换时间所需的稳定时间,使用所选择的第一值补偿接收到的光信号,将色散值从第一值改变为 第二值,由于从开始改变色散值开始经过转换时间之后,利用色散值补偿接收到的光信号,在转换时间之后产生色散值的第二提取信息,使用色散补偿光信号的色散 在创建的第二提取信息表示时钟提取可用的情况下,基于第二值计算的值和转换时间之后的色散值与第二值之间的差值。
    • 8. 发明授权
    • Optical signal receiving apparatus
    • 光信号接收装置
    • US08340532B2
    • 2012-12-25
    • US12792012
    • 2010-06-02
    • Eita MiyasakaKoji Takatori
    • Eita MiyasakaKoji Takatori
    • H04B10/06
    • H04B10/677H04B10/5053H04B10/5561H04J3/0608H04J3/1652
    • A simple synchronizing detection circuit is provided in each of logical operation circuits, and a method for making a synchronizing detection in parallel is adopted. A selector control section monitors the states of the simple synchronizing detection circuits in parallel, and supplies an output from a proper logical operation circuit detecting the synchronization establishment to a frame synchronizing/terminating circuit at the latter stage. There is provided a function of relieving a synchronization determination condition if the synchronization establishment is not detected in any of the synchronizing detection circuits, whereby the output from the proper logical operation circuit can be selected depending on a load on a transmission path.
    • 在每个逻辑运算电路中设置简单的同步检测电路,并且采用并行进行同步检测的方法。 选择器控制部分并行地监视简单同步检测电路的状态,并将检测同步建立的正确的逻辑运算电路的输出提供给后级的帧同步/终端电路。 如果在任何同步检测电路中没有检测到同步建立,则提供了同步确定条件的减轻的功能,由此可以根据传输路径上的负载来选择适当的逻辑运算电路的输出。
    • 9. 发明申请
    • Switching power supply circuit
    • 开关电源电路
    • US20070019444A1
    • 2007-01-25
    • US11372905
    • 2006-03-10
    • Joji KasaiTadashi YamamotoKoji Takatori
    • Joji KasaiTadashi YamamotoKoji Takatori
    • H02M3/335
    • H02M1/36H02M3/3382
    • A switching power supply circuit of the present invention includes: a transformer including a main winding and an auxiliary winding, which are magnetically coupled together on a primary winding side; a switching element for intermittently supplying a direct-current voltage to the main winding; and a controller for turning ON/OFF the switching element using a voltage induced across the auxiliary winding by the intermittent supply of the direct-current voltage. The switching power supply circuit includes a startup circuit, the startup circuit including: a startup switch connected to the main winding; and a driving pulse generator for outputting a driving pulse to the startup switch for turning ON the startup switch.
    • 本发明的开关电源电路包括:变压器,包括主绕组和辅助绕组,它们在初级绕组侧磁耦合在一起; 用于间歇地向主绕组提供直流电压的开关元件; 以及控制器,用于通过间歇地提供直流电压,使用通过辅助绕组感应的电压来接通/断开开关元件。 所述开关电源电路包括启动电路,所述启动电路包括:连接到所述主绕组的启动开关; 以及驱动脉冲发生器,用于将启动脉冲输出到启动开关以接通启动开关。