专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06587242B1 Optical transmission system 失效
标题翻译：光传输系统
公开(公告)号：US06587242B1
公开(公告)日：2003-07-01
申请号：US09422726
申请日：1999-10-22
申请人： Ippei Shake , Hidehiko Takara , Yoshiaki Yamabayashi , Osamu Kamatani , Koji Nonaka , Kentaro Uchiyama
发明人： Ippei Shake , Hidehiko Takara , Yoshiaki Yamabayashi , Osamu Kamatani , Koji Nonaka , Kentaro Uchiyama
IPC分类号： H04J1408
CPC分类号： H04B10/25133 , H04B10/0775 , H04B2210/072 , H04B2210/078 , H04B2210/252 , H04B2210/258 , H04J14/08
摘要： It is the object of the present invention to provide a transmission system that transmits a control signal corresponding to the overhead accommodating time division multiplexing information at a frequency that is the same (or nearly the same) as that of the main signal. In order to attain this object, an optical transmitter broadens in a time range the optical waveform of the OTDM signal having a wavelength &lgr;0 and the control light having a wavelength &lgr;1(≈&lgr;0), and multiplexes the signal light having an optical peak intensity set low compared to the OTDM signal peak intensity and sending this to an optical transmission fiber. An optical receiver provides a light splitting means that splits into two parts the transmitted OTDM signal and the control light and outputs one part thereof to an optical time division multiplexing means, and at the same time restores the control light included in the other part of the light to the original optical pulse train, and extracts the control information by converting this to an electric signal.
摘要翻译：本发明的目的是提供一种传输系统，其以与主信号相同（或接近相同）的频率发送对应于开销容纳时分复用信息的控制信号。为了实现该目的，光发射机在时间范围内扩大了具有波长lambd0的OTDM信号的光波形和具有波长lambd1（≈lambd0）的控制光，并且复用具有光峰值强度集合的信号光与OTDM信号峰值强度相比较低，并将其发送到光传输光纤。光接收器提供一种分光装置，其将发射的OTDM信号和控制光分成两部分，并将其一部分输出到光时分多路复用装置，并且同时恢复包含在其中的控制光对原始光脉冲序列进行光照射，并通过将其转换为电信号来提取控制信息。

2. 发明授权

US5706113A Phase lock loop circuit using optical correlation detection 失效
标题翻译：使用光学相关检测的锁相环电路
公开(公告)号：US5706113A
公开(公告)日：1998-01-06
申请号：US658414
申请日：1996-06-05
申请人： Satoki Kawanishi , Osamu Kamatani , Masatoshi Saruwatari
发明人： Satoki Kawanishi , Osamu Kamatani , Masatoshi Saruwatari
IPC分类号： H04B10/60 , H04L7/00 , H04B10/00
CPC分类号： H04B10/60 , H04L7/0075
摘要： It is an object of the present invention to provide an optical clock phase lock loop capable of a higher operational speed than the conventional technology by utilizing high-speed optical phenomena other than gain modulation. In an optical clock phase lock loop for conducting locking control by means of obtaining the correlation of an optical signal and optical clock, after combining an optical clock of a short pulse containing a harmonics component with an optical signal by means of an optical coupler 102, and providing the resultant light to traveling-wave semiconductor laser amplifier 103, the correlation signal of the optical signal and optical clock included in the output signal of this traveling-wave semiconductor laser amplifier 103 is detected by means of optical bandpass filter 104.
摘要翻译：本发明的目的是提供一种光时钟锁相环，其能够通过利用增益调制以外的高速光学现象而具有比常规技术更高的操作速度。在用于通过获得光信号和光时钟的相关性进行锁定控制的光时钟锁相环中，在通过光耦合器102将包含谐波分量的短脉冲的光时钟与光信号组合之后，并且将所得光提供给行波半导体激光放大器103，通过光学带通滤波器104检测包括在该行波半导体激光放大器103的输出信号中的光信号和光时钟的相关信号。

3. 发明授权

US5574588A Phase lock loop circuit using optical correlation detection 失效
标题翻译：使用光学相关检测的锁相环电路
公开(公告)号：US5574588A
公开(公告)日：1996-11-12
申请号：US389486
申请日：1995-02-16
申请人： Satoki Kawanishi , Osamu Kamatani , Masatoshi Saruwatari
发明人： Satoki Kawanishi , Osamu Kamatani , Masatoshi Saruwatari
IPC分类号： H04B10/60 , H04L7/00 , H04B10/00
CPC分类号： H04B10/60 , H04L7/0075
摘要： It is an object of the present invention to provide an optical clock phase lock loop capable of a higher operational speed than the conventional technology by utilizing high-speed optical phenomena other than gain modulation. In an optical clock phase lock loop for conducting locking control by obtaining the correlation of an optical signal and optical clock, after combining an optical clock of a short pulse containing a harmonics component with an optical signal by using an optical coupler 102, and providing the resultant light to traveling-wave semiconductor laser amplifier 103, the correlation signal of the optical signal and optical clock included in the output signal of this traveling-wave semiconductor laser amplifier 103 is detected by an optical bandpass filter 104.
摘要翻译：本发明的目的是提供一种光时钟锁相环，其能够通过利用增益调制以外的高速光学现象而具有比常规技术更高的操作速度。在用于通过获得光信号和光时钟的相关性进行锁定控制的光时钟锁相环中，通过使用光耦合器102将包含谐波分量的短脉冲的光时钟与光信号组合在一起之后，对行波半导体激光放大器103的合成光，通过光学带通滤波器104检测包括在该行波半导体激光放大器103的输出信号中的光信号和光时钟的相关信号。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式