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1. 发明申请

US20050141894A1 Bi-directional add/drop node 审中-公开
标题翻译：双向添加/删除节点
公开(公告)号：US20050141894A1
公开(公告)日：2005-06-30
申请号：US10860717
申请日：2004-06-03
申请人： Sung-Kee Kim , Yun-Je Oh , Seong-Taek Hwang , Sung-Bum Park
发明人： Sung-Kee Kim , Yun-Je Oh , Seong-Taek Hwang , Sung-Bum Park
IPC分类号： H04B10/03 , H04B10/00 , H04B10/038 , H04B10/07 , H04B10/079 , H04B10/2507 , H04B10/275 , H04B10/29 , H04J14/02
CPC分类号： H04J14/0227 , H04J14/0208 , H04J14/0216 , H04J14/0241 , H04J14/0283
摘要： A bi-directional add/drop node employed in a bi-directional path-switching network linked by an optical fiber in a loop form is disclosed. The bi-directional add/drop node has a first terminal point and a second terminal point for receiving channels over the optical fiber such that odd channels are inputted through the first terminal point are outputted through the second terminal point and even channels are inputted through the second terminal point are outputted through the first terminal point. The bi-directional add/drop node comprises, a circulation section for circulating the even and odd channels in a predetermined direction, a first input-output section located between the circulation section and the first terminal point wherein the first input-output section outputs the odd channels inputted from the first terminal point to the circulation section through a first input line and outputs the even channels inputted from the circulation section to the first terminal point through a first output line, and a second input-output section positioned between the circulation section and the second terminal point, wherein the second input-output section outputs the even channels inputted from the second terminal point to the circulation section through a second input line and outputs the odd channels inputted from the circulation section to the second terminal point through a second output line.
摘要翻译：公开了一种在由光纤以环形形式链接的双向路径交换网络中采用的双向加/减节点。双向分插节点具有用于在光纤上接收信道的第一终端点和第二终端点，使得通过第一终端点输入奇数信道，并通过第二终端点输入偶数信道第二终点通过第一终点输出。双向分插节点包括：循环部分，用于沿预定方向循环偶数和奇数通道;第一输入 - 输出部分，位于循环部分和第一终点之间，其中第一输入 - 输出部分输出通过第一输入线从第一终端点输入到循环部的奇数通道，并且通过第一输出线将从循环部输入的偶数通道输出到第一终点;以及位于循环部之间的第二输入输出部和第二终点，其中第二输入 - 输出部分通过第二输入线将从第二终端点输入的偶数通道输出到循环部分，并且通过第二输出部分将从循环部分输入的奇数通道输出到第二终点输出线。

2. 发明授权

US07280719B2 Wideband optical module and PON using the same 有权
标题翻译：宽带光模块和PON使用相同
公开(公告)号：US07280719B2
公开(公告)日：2007-10-09
申请号：US11143238
申请日：2005-06-02
申请人： Jae-Hoon Lee , Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang , Hyun-Soo Kim
发明人： Jae-Hoon Lee , Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang , Hyun-Soo Kim
IPC分类号： G02B6/28
CPC分类号： H04J14/02 , H04B10/296 , H04B10/2972
摘要： A wideband optical module includes a downward wideband light source for generating downward light, an upward wideband light source for generating upward light, a first circulator including a first to a third port for outputting multiplexed downward optical signals to the second port and for outputting multiplexed upward optical signals to the first port, a second circulator including a first to a third port for outputting multiplexed upward optical signals to the second port and for outputting multiplexed downward optical signals to the first port, a first optical coupler connected to the third port of the first circulator and the second port of the second circulator for outputting the downward light to the third port of the first circulator, and a second optical coupler connected to the second port of the first circulator and the third port of the second circulator for outputting the upward light to the third port of the second circulator.
摘要翻译：宽带光模块包括用于产生向下的光的向下宽带光源，用于产生向上光的向上宽带光源，包括第一至第三端口的第一循环器，用于将多路复用的下行光信号输出到第二端口并用于输出多路复用光信号到第一端口，第二循环器，包括第一至第三端口，用于将多路复用的上行光信号输出到第二端口，并将多路复用的下行光信号输出到第一端口;第一光耦合器，连接到第一端口的第三端口第一循环器和第二循环器的第二端口，用于将向下的光输出到第一循环器的第三端口;以及第二光耦合器，连接到第一循环器的第二端口和第二循环器的第三端口，用于输出向上光到第二个循环器的第三个端口。

3. 发明授权

US07340170B2 Wavelength-division multiplexed self-healing passive optical network 有权
标题翻译：波分复用自愈无源光网络
公开(公告)号：US07340170B2
公开(公告)日：2008-03-04
申请号：US10939790
申请日：2004-09-13
申请人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04J14/00 , H04B10/08
CPC分类号： H04J14/0226 , H04B10/032 , H04J14/0246 , H04J14/025 , H04J14/0282 , H04J14/0291 , H04J14/0294
摘要： A wavelength-division multiplexed self-healing passive optical network is capable of detecting cut-off and deterioration of feeder fiber and distribution fiber and restoring a network with a star structure. The network includes a central office, a remote node, and a plurality of subscriber units. Working and protection feeder fibers connect the central office to the remote node. A reflection unit at an end of the remote node connects to the central office for reflecting a monitoring optical signal transmitted from the central office. An output monitor stage at an end of the central office connects to the remote node for detecting the reflected monitoring optical signal and generating a control signal based on the presence of abnormality of the working and protection feeder fibers.
摘要翻译：波分复用自愈无源光网络能够检测馈线光纤和配线光纤的切断和劣化，并恢复具有星型结构的网络。网络包括中心局，远程节点和多个用户单元。工作和保护馈线光纤将中心局连接到远程节点。远程节点末端的反射单元连接到中心局，用于反映从中心局发送的监控光信号。中心局端部的输出监控级与远程节点相连，用于检测反射的监控光信号，并根据工作和保护馈线光纤的异常情况生成控制信号。

4. 发明申请

US20060029393A1 Wideband optical module and PON using the same 有权
标题翻译：宽带光模块和PON使用相同
公开(公告)号：US20060029393A1
公开(公告)日：2006-02-09
申请号：US11143238
申请日：2005-06-02
申请人： Jae-Hoon Lee , Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang , Hyun-Soo Kim
发明人： Jae-Hoon Lee , Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang , Hyun-Soo Kim
IPC分类号： H04J14/00
CPC分类号： H04J14/02 , H04B10/296 , H04B10/2972
摘要： A wideband optical module includes a downward wideband light source for generating downward light, an upward wideband light source for generating upward light, a first circulator including a first to a third port for outputting multiplexed downward optical signals to the second port and for outputting multiplexed upward optical signals to the first port, a second circulator including a first to a third port for outputting multiplexed upward optical signals to the second port and for outputting multiplexed downward optical signals to the first port, a first optical coupler connected to the third port of the first circulator and the second port of the second circulator for outputting the downward light to the third port of the first circulator, and a second optical coupler connected to the second port of the first circulator and the third port of the second circulator for outputting the upward light to the third port of the second circulator.
摘要翻译：宽带光模块包括用于产生向下的光的向下宽带光源，用于产生向上光的向上宽带光源，包括第一至第三端口的第一循环器，用于将多路复用的下行光信号输出到第二端口并用于输出多路复用光信号到第一端口，第二循环器，包括第一至第三端口，用于将多路复用的上行光信号输出到第二端口，并将多路复用的下行光信号输出到第一端口;第一光耦合器，连接到第一端口的第三端口第一循环器和第二循环器的第二端口，用于将向下的光输出到第一循环器的第三端口;以及第二光耦合器，连接到第一循环器的第二端口和第二循环器的第三端口，用于输出向上光到第二个循环器的第三个端口。

5. 发明授权

US07231149B2 Bidirectional optical add-drop multiplexer 有权
标题翻译：双向光分插复用器
公开(公告)号：US07231149B2
公开(公告)日：2007-06-12
申请号：US10785217
申请日：2004-02-24
申请人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： G02B6/28 , G02B6/34 , G02B6/293 , G02B6/26 , H04J14/02
CPC分类号： H04J14/0216
摘要： A bidirectional optical add-drop multiplexer adds and drops optical signals having specific wavelengths among the WDM optical signals transmitted bidirectionally through one of the optical transmission lines connected between neighbor nodes in a bidirectional WDM ring network.
摘要翻译：双向光分插复用器通过在双向WDM环网中的相邻节点之间连接的光传输线双向传输WDM光信号中的具有特定波长的光信号。

6. 发明申请

US20060067692A1 Passive optical network of bus structure 审中-公开
标题翻译：无线光网络总线结构
公开(公告)号：US20060067692A1
公开(公告)日：2006-03-30
申请号：US11210079
申请日：2005-08-23
申请人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04J14/00
CPC分类号： H04J14/0227 , H04J14/0226 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J14/028 , H04J14/0282
摘要： Disclosed is a passive optical network of a bus structure. The passive optical network comprises a central office for wavelength-division multiplexing a plurality of time-division multiplexed downstream optical signals with mutually different wavelengths and receiving upstream optical signals, a plurality of remote nodes positioned in series on an optical path linked to the central office, and a plurality of optical network units for detecting a corresponding downstream channel and being linked with a corresponding remote node in order to transmit each upstream channel to the corresponding remote node, wherein each remote node splits a corresponding downstream optical signal into a plurality of downstream channels and transmits upstream channels to the central office by time-division multiplexing the upstream channels to an upstream optical signal.
摘要翻译：公开了一种总线结构的无源光网络。无源光网络包括：中心局，用于波分复用具有相互不同波长的多个时分多路复用下行光信号并接收上游光信号;多个远程节点串联定位在与中心局连接的光路上以及多个光网络单元，用于检测相应的下游信道并与相应的远程节点链接，以将每个上行信道发送到相应的远程节点，其中每个远程节点将相应的下行光信号分离成多个下游通过将上游信道时分复用到上行光信号，将上行信道发送到中心局。

7. 发明申请

US20050141892A1 Wavelength-division multiplexed self-healing passive optical network 有权
标题翻译：波分复用自愈无源光网络
公开(公告)号：US20050141892A1
公开(公告)日：2005-06-30
申请号：US10939790
申请日：2004-09-13
申请人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04L12/44 , H04B10/03 , H04B10/032 , H04B10/07 , H04B10/077 , H04B10/27 , H04B10/272 , H04B10/275 , H04J14/00 , H04J14/02
CPC分类号： H04J14/0226 , H04B10/032 , H04J14/0246 , H04J14/025 , H04J14/0282 , H04J14/0291 , H04J14/0294
摘要： A wavelength-division multiplexed self-healing passive optical network is capable of detecting cut-off and deterioration of feeder fiber and distribution fiber and restoring a network with a star structure. The network includes a central office, a remote node, and a plurality of subscriber units. Working and protection feeder fibers connect the central office to the remote node. A reflection unit at an end of the remote node connects to the central office for reflecting a monitoring optical signal transmitted from the central office. An output monitor stage at an end of the central office connects to the remote node for detecting the reflected monitoring optical signal and generating a control signal based on the presence of abnormality of the working and protection feeder fibers.
摘要翻译：波分复用自愈无源光网络能够检测馈线光纤和配线光纤的切断和劣化，并恢复具有星型结构的网络。网络包括中心局，远程节点和多个用户单元。工作和保护馈线光纤将中心局连接到远程节点。远程节点末端的反射单元连接到中心局，用于反映从中心局发送的监控光信号。中心局端部的输出监控级与远程节点相连，用于检测反射的监控光信号，并根据工作和保护馈线光纤的异常情况生成控制信号。

8. 发明申请

US20050031349A1 Bidirectional optical add-drop multiplexer 有权
标题翻译：双向光分插复用器
公开(公告)号：US20050031349A1
公开(公告)日：2005-02-10
申请号：US10785217
申请日：2004-02-24
申请人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Bum Park , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04B10/27 , H04B10/2507 , H04B10/29 , H04B10/291 , H04J14/00 , H04J14/02
CPC分类号： H04J14/0216
摘要： A bidirectional optical add-drop multiplexer adds and drops optical signals having specific wavelengths among the WDM optical signals transmitted bidirectionally through one of the optical transmission lines connected between neighbor nodes in a bidirectional WDM ring network.
摘要翻译：双向光分插复用器通过在双向WDM环网中的相邻节点之间连接的光传输线之一双向传输WDM光信号中的具有特定波长的光信号。

9. 发明授权

US07733825B2 ROF link apparatus capable of stable TDD wireless service 失效
标题翻译：能够稳定TDD无线服务的ROF链路装置
公开(公告)号：US07733825B2
公开(公告)日：2010-06-08
申请号：US11514440
申请日：2006-09-01
申请人： Sang-Ho Kim , Yun-Je Oh , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee , Yong-Gyoo Kim , Dae-Eun Choi
发明人： Sang-Ho Kim , Yun-Je Oh , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee , Yong-Gyoo Kim , Dae-Eun Choi
IPC分类号： H04W4/00 , H04L12/56
CPC分类号： H04W88/085
摘要： A radio over fiber (ROF) link apparatus capable of a stable TDD wireless service for a time division duplexing (TDD) baseband signal includes a central access platform (CAP) for receiving various kinds of data including the TDD baseband signal from upper layers, multiplexing the data, electro-optically converting the multiplexed data, and transmitting the converted data as downstream data through an optical fiber, and opto-electrically converting upstream data received through the optical fiber, demultiplexing the converted upstream data, and transmitting the demultiplexed upstream data to the respective upper layers, and a remote access unit (RAU) for receiving the downstream data through the optical fiber, opto-electrically converting the received downstream data to the multiplexed data, demultiplexing the multiplexed data, performing a wireless access process of the demultiplexed data, and transmitting the wireless access processed data to a wireless local area network (WLAN) service terminal through an antenna.
摘要翻译：能够对TDD时基双工（TDD）基带信号进行稳定的TDD无线业务的无线电光纤（ROF）链路装置包括用于从上层接收包括TDD基带信号的各种数据的中央接入平台（CAP）数据，电光转换多路复用数据，并通过光纤将转换后的数据作为下行数据发送，并对通过光纤接收的上行数据进行光电转换，对转换的上行数据进行解复用，并将解复用的上行数据发送到各自的上层以及用于通过光纤接收下游数据的远程访问单元（RAU），将接收到的下游数据光电转换为多路复用数据，解复用多路复用数据，执行解复用数据的无线接入处理，并将无线接入处理的数据发送到无线局域网（WLAN）服务 e端子通过天线。

10. 发明申请

US20050068209A1 Precoder and optical duo-binary transmission apparatus using the same 失效
标题翻译：预编码器和光二进制二进制传输装置使用
公开(公告)号：US20050068209A1
公开(公告)日：2005-03-31
申请号：US10807048
申请日：2004-03-23
申请人： Sung-Kee Kim , Han-Lim Lee , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Kee Kim , Han-Lim Lee , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04J3/00 , G11B20/10 , H03M5/06 , H03M13/00 , H04B10/00 , H04B10/516 , H04B10/556 , H04B10/61
CPC分类号： H03M5/06 , G11B20/10 , H03M13/00
摘要： A precoder for an optical duo-binary transmission apparatus disposing the precoder before a time division multiplexer includes a judgment unit for judging whether an odd number or even number of ‘1’s exist in data input signals of N channels inputted at an nth time of channel input. Further included in the precoder is a toggle unit for toggling an output signal of the judgment unit when the judgment is odd, and for determining an output value for one of the channels. The precoder also has an output unit for determining output values of other channels according to a respective data input signal and a predetermined channel from among the N channels.
摘要翻译：用于在时分多路复用器之前配置预编码器的光二元传输装置的预编码器包括判断单元，用于判断在第n时刻输入的N个信道的数据输入信号中是否存在“1”的奇数或偶数的通道输入。进一步包括在预编码器中的是用于当判断为奇数时用于切换判断单元的输出信号并且用于确定一个通道的输出值的切换单元。预编码器还具有输出单元，用于根据相应的数据输入信号和N个信道中的预定信道来确定其它信道的输出值。

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