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公开(公告)号：US06490064B1
公开(公告)日：2002-12-03
申请号：US09171193
申请日：1999-03-17
IPC分类号： H04J1402
CPC分类号： H04B10/25253 , H04B10/2563 , H04J14/0224
摘要： In a wavelength division multiplexed optical transmission system wherein the zero dispersion wavelength of the optical fiber transmission path 224 is in the 1550 nm region, among multiplexed optical signals, the wavelengths of either of at least two optical signals are allocated between 1450 nm and 1530 nm, or between 1570 mn and 1650 nm.
摘要翻译： 在其中光纤传输路径224的零色散波长处于1550nm区域中的多路复用光信号中，至少两个光信号中的任一个的波长被分配在1450nm和1530nm之间的波分复用光传输系统 ，或1570 mn至1650 nm之间。
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公开(公告)号：US07003226B2
公开(公告)日：2006-02-21
申请号：US10007100
申请日：2001-12-06
CPC分类号： H04B10/25253 , H04B10/2563 , H04J14/0224
摘要： In a wavelength division multiplexed optical transmission system wherein the zero dispersion wavelength of the optical fiber transmission path 224 is in the 1550 nm region, among multiplexed optical signals, the wavelengths of either of at least two optical signals are allocated between 1450 nm and 1530 nm, or between 1570 nm and 1650 nm.
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公开(公告)号：US08527733B2
公开(公告)日：2013-09-03
申请号：US13238675
申请日：2011-09-21
申请人： Seiji Norimatsu , Nobuhiro Ono , Hirokuni Yano , Yasunori Nakamura , Shoji Ninoi
发明人： Seiji Norimatsu , Nobuhiro Ono , Hirokuni Yano , Yasunori Nakamura , Shoji Ninoi
CPC分类号： G06F12/0246 , G06F2212/7207
摘要： According to one embodiment, a memory system includes a controller for controlling a data transfer between a nonvolatile memory and a host device. The controller writes, to the nonvolatile memory, management information to be used in the data transfer, a multiplexed pointer indicating a storage position, and a log indicating whether the writing of the pointer is successful, determines whether the multiplexing the pointer by the predetermined number is maintained according to at least one of the pointer and the log, and rewrites the multiplexed pointers to the nonvolatile memory when determining that the multiplexing the pointer by the predetermined number is not maintained.
摘要翻译： 根据一个实施例，存储器系统包括用于控制非易失性存储器和主机设备之间的数据传输的控制器。 控制器向非易失性存储器写入要在数据传送中使用的管理信息，指示存储位置的复用指针以及指示写指针是否成功的日志，确定指针是否多路复用了预定数 根据指针和日志中的至少一个进行维护，并且当确定将指针多路复用预定数量时，将多路复用指针重写到非易失性存储器。
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公开(公告)号：US5543952A
公开(公告)日：1996-08-06
申请号：US526277
申请日：1995-09-11
IPC分类号： H04B10/50 , H04B10/508 , H04B10/516 , H04B10/54 , H04B10/04
CPC分类号： H04B10/505 , H04B10/5051 , H04B10/508 , H04B10/5167 , H04B10/541
摘要： In a transmitter side in an optical transmission system, an input binary signal is converted into a duobinary signal, and the duobinary signal is applied to an optical modulation device which provides an optical intensity modulation signal, wherein the optical intensity for a center value of the duobinary signal is a minimum, the optical intensity for the other two values of the duobinary signal is a maximum, and an optical phase for those two values is opposite to each other. In a receiver side, simple direct detection is carried out for receiving optical signal through an optical transmission line to provide a demodulated binary signal. Thus, an original binary signal is recovered without a duobinary decoder and receiver sensitivity degradation. In the optical transmission system, an optical carrier frequency component in a signal spectrum is suppressed, a signal bandwidth of the modulated light is reduced in half to that of a prior art, so an optical transmission system for long distance, high bit rate and large traffic capacity is obtained.
摘要翻译： 在光传输系统的发射机侧，输入二进制信号被转换为双二进制信号，并且双二进制信号被施加到提供光强度调制信号的光调制装置，其中，用于中心值的光强度 双二进制信号是最小的，双二进制信号的其他两个值的光强度是最大的，并且这两个值的光学相位彼此相反。 在接收机侧，进行简单的直接检测，以通过光传输线接收光信号以提供解调的二进制信号。 因此，原始二进制信号被恢复而没有双二进制解码器和接收机灵敏度降级。 在光传输系统中，信号频谱中的光载波频率分量被抑制，调制光的信号带宽减小到现有技术的一半，因此用于长距离，高比特率和大的光传输系统 获得交通容量。
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