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. 发明申请

US20070140319A1 Method and apparatus for transmitting wireline single-band orthogonal frequency division mutiplexing based ultra wideband signal over pipeline carrying CATV broadcasting signal 审中-公开
标题翻译：用于在带有CATV广播信号的流水线上传输基于有线单频正交频分复用的超宽带信号的方法和装置
公开(公告)号：US20070140319A1
公开(公告)日：2007-06-21
申请号：US11444342
申请日：2006-06-01
申请人： Keun-joo Park , Kwanghoon Kim , Hyuncheol Park , Yusung Lee , June-koo Rhee , Hyun-chin Kim , Joonhyuk Kang , Junkyu Lee
发明人： Keun-joo Park , Kwanghoon Kim , Hyuncheol Park , Yusung Lee , June-koo Rhee , Hyun-chin Kim , Joonhyuk Kang , Junkyu Lee
IPC分类号： H04B1/00
CPC分类号： H04B1/71632 , H04L27/2626
摘要： A method and an apparatus for transmitting a single-band orthogonal frequency division multiplexing (OFDM)-based ultra wideband (UWB) signal over a pipeline carrying a cable television broadcasting signal. The method includes transforming a multimedia signal transmitted from a multimedia device into a wireline UWB signal; transforming the wireline UWB signal into a single-band OFDM signal; and frequency-spreading the single-band OFDM signal according to a transmission rate. Thus, the apparatus can be robust to multi-path interference and extend transmission distance so as to increase transmission efficiency.
摘要翻译：一种用于在承载有线电视广播信号的流水线上发送基于单频带正交频分复用（OFDM）的超宽带（UWB）信号的方法和装置。该方法包括将从多媒体设备发送的多媒体信号变换为有线UWB信号; 将有线UWB信号变换为单频带OFDM信号; 并根据传输速率对单频带OFDM信号进行扩频。因此，该装置可以对多路径干扰是鲁棒的，并且可以延长传输距离，从而提高传输效率。

2. 发明申请

US20060239683A1 Wavelength-division-multiplexed passive optical network 审中-公开
标题翻译：波分复用无源光网络
公开(公告)号：US20060239683A1
公开(公告)日：2006-10-26
申请号：US11359508
申请日：2006-02-23
申请人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo , June-koo Rhee , Chun-ju Youn
发明人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo , June-koo Rhee , Chun-ju Youn
IPC分类号： H04J14/00
CPC分类号： H04J14/0226 , H04J14/0246 , H04J14/025 , H04J14/0282
摘要： Disclosed is a wavelength-division-multiplexed (WDM) passive optical network which comprises an optical network unit (ONU) for receiving and transmitting an optical communication service; a remote node having an amplifier for amplifying wavelength of light as being transmitted from the optical network unit; and a central office for receiving the amplified light. In accordance with the WDM passive optical network described herein, it is possible to enhance the quality of the optical communication service provided by the optical network.
摘要翻译：公开了一种波分复用（WDM）无源光网络，其包括用于接收和发送光通信业务的光网单元（ONU）; 具有放大器的远程节点，用于放大从光网络单元传输的光的波长; 以及用于接收放大的光的中心局。根据本文描述的WDM无源光网络，可以提高由光网络提供的光通信服务的质量。

3. 发明授权

US07539415B2 Optical packet communication system using labeling of wavelength-offset polarization-division multiplexing 失效
标题翻译：光分组通信系统使用波长偏移偏振分复用的标签
公开(公告)号：US07539415B2
公开(公告)日：2009-05-26
申请号：US11264030
申请日：2005-11-02
申请人： Keun-joo Park , Hyun-chin Kim , June-koo Rhee , Young-kwang Seo , Chun-ju Youn
发明人： Keun-joo Park , Hyun-chin Kim , June-koo Rhee , Young-kwang Seo , Chun-ju Youn
IPC分类号： H04J14/06 , H04J14/00 , H04J4/00
CPC分类号： H04J14/06 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0035 , H04Q2011/0039
摘要： Disclosed is an optical packet communication system using a wavelength-offset polarization-division multiplexing labeling. An optical signal transmitter which is provided at an ingress node positioned at a sending end in an optical packet switching network, generates and combines packet data and a label, and transmits the combined packet data and label to a core node, wherein the packet data and label have polarization directions perpendicular to each other and maintain a predetermined wavelength interval. A label swapping device detects the label from the combined packet data and label received from the optical signal transmitter, detects next moving position information of the packet data, for generating a new label, substitutes the detected label by the new label, combines the new label with the packet data, and transmits the combined packet data and new label to a next moving position.
摘要翻译：公开了使用波长偏移偏振分复用标签的光分组通信系统。提供在位于光分组交换网络中的发送端的入口节点处的光信号发射机产生并组合分组数据和标签，并将组合分组数据和标签发送到核心节点，其中分组数据和标签具有彼此垂直的偏振方向并保持预定的波长间隔。标签交换装置根据从光信号发送器接收到的组合分组数据和标签检测标签，检测分组数据的下一移动位置信息，生成新标签，用新标签代替检测标签，组合新标签并且将组合的分组数据和新标签发送到下一个移动位置。

4. 发明申请

US20060119929A1 WAVELENGTH CONVERTER FOR GENERATING WAVELENGTH TUNABLE LASER OPTICAL SOURCE IN ITSELF 有权
标题翻译：波长变换器，用于产生波长范围内的激光光源
公开(公告)号：US20060119929A1
公开(公告)日：2006-06-08
申请号：US11296332
申请日：2005-12-08
申请人： Young-kwang Seo , Hyun-chin Kim , Hyun-surk Ryu , June-koo Rhee , Keun-joo Park , Chun-ju Youn
发明人： Young-kwang Seo , Hyun-chin Kim , Hyun-surk Ryu , June-koo Rhee , Keun-joo Park , Chun-ju Youn
IPC分类号： G02F1/365
CPC分类号： H01S5/50 , G02F2/004 , G02F2002/006 , H01S5/005 , H01S5/5027 , H01S5/509
摘要： A wavelength converter for generating a wavelength tunable laser optical source in itself is disclosed. The wavelength converter includes a first semiconductor optical amplifier for generating an optical noise, generating and outputting a first optical source by amplifying the generated optical noise if an external current is applied, first and second distributed Bragg reflectors for reflecting only a component of a specified wavelength range among components of the optical noise and applying the reflected component to the first semiconductor optical amplifier, and a second semiconductor optical amplifier for receiving an optical source divided from the optical source reflected by and outputted from the first distributed Bragg reflector and an input data optical source, generating and outputting a second optical source by changing a phase of the divided optical source according to a digital signal from the input data optical source. The first and second optical sources outputted from the first and second semiconductor optical amplifiers are added together, and a signal of which the wavelength is converted through either a constructive interference or a destructive interference of the added first and second optical sources is outputted.
摘要翻译：本发明公开了一种用于产生波长可调激光光源的波长转换器。波长转换器包括用于产生光学噪声的第一半导体光放大器，如果施加了外部电流则通过放大产生的光学噪声来产生和输出第一光源;第一和第二分布式布拉格反射器，仅用于仅反射指定波长的分量光学噪声的分量之间的范围，并将反射分量施加到第一半导体光放大器，以及第二半导体光放大器，用于接收从第一分布式布拉格反射器反射并从其输出的光源划分的光源和输入数据光源，通过根据来自输入数据光源的数字信号改变分割光源的相位来产生和输出第二光源。从第一和第二半导体光放大器输出的第一和第二光源相加在一起，并且输出通过相加的第一和第二光源的相长干涉或相消干涉而波长转换的信号。

5. 发明授权

US07933520B2 High-speed wavelength selectable optical source and method thereof 失效
标题翻译：高速波长可选光源及其方法
公开(公告)号：US07933520B2
公开(公告)日：2011-04-26
申请号：US11293296
申请日：2005-12-05
申请人： Chun-ju Youn , Hyun-chin Kim , Yeong-bae Yeo , Young-kwang Seo , Keun-joo Park
发明人： Chun-ju Youn , Hyun-chin Kim , Yeong-bae Yeo , Young-kwang Seo , Keun-joo Park
IPC分类号： H04B10/04 , H04J14/02
CPC分类号： H04B10/506 , H04J14/02
摘要： A high-speed wavelength selectable optical source and a method thereof are disclosed. The wavelength selectable optical source includes at least one optical source having a multimode oscillation spectrum, a demultiplexer and an optical switch for extracting light having a certain selected wavelength. A certain wavelength can be selected among the multimode wavelengths using the demultiplexer and the optical switch, and thus the wavelength can discontinuously be tuned at high speed. Also, by making the light having the selected wavelength incident to the multimode optical source, the power of the output light can uniformly be maintained and maximized through injection locking.
摘要翻译：公开了一种高速波长可选择光源及其方法。波长可选择光源包括至少一个具有多模式振荡光谱的光源，解复用器和用于提取具有特定选定波长的光的光开关。可以使用解复用器和光开关在多模波长中选择一定的波长，因此波长可以不连续地高速调谐。此外，通过使具有选定波长的光入射到多模光源，输出光的功率可以通过注入锁定均匀地保持和最大化。

6. 发明授权

US07769293B2 Apparatus and method for label transmission in optical packet data switching network 有权
标题翻译：光分组数据交换网络标签传输的装置和方法
公开(公告)号：US07769293B2
公开(公告)日：2010-08-03
申请号：US11265164
申请日：2005-11-03
申请人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Chun-ju Youn , June-koo Rhee
发明人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Chun-ju Youn , June-koo Rhee
IPC分类号： H04J14/00 , H04B10/20
CPC分类号： H04Q11/0005 , H04Q11/0066 , H04Q2011/0039 , H04Q2011/0069
摘要： An apparatus and method for effectively transmitting a packet data and a control data of path information about the packet data in an optical packet data switching network. The method includes grouping a plurality of wavelengths into at least two wavelength bandwidths, each wavelength bandwidth being composed of neighboring wavelengths, and transmitting the optical packet data and the control data with wavelengths of different wavelength bandwidths respectively. Since the wavelength to transmit the optical packet data and the wavelength to transmit the control data has a difference from each other, a node receiving optical data easily divides the packet data and the control data.
摘要翻译：一种用于在光分组数据交换网络中有效发送分组数据和关于分组数据的路径信息的控制数据的装置和方法。该方法包括将多个波长分组成至少两个波长带宽，每个波长带宽由相邻波长组成，并且分别以不同波长带宽的波长传输光分组数据和控制数据。由于发送光分组数据的波长和发送控制数据的波长彼此不同，所以接收光数据的节点容易地划分分组数据和控制数据。

7. 发明申请

US20070286116A1 Wireless bridging method for wireless IEEE 1394 network environment and wireless bridge apparatus thereof 审中-公开
标题翻译：用于无线IEEE 1394网络环境的无线桥接方法及其无线桥接装置
公开(公告)号：US20070286116A1
公开(公告)日：2007-12-13
申请号：US11646389
申请日：2006-12-28
申请人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo
发明人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo
IPC分类号： H04Q7/00
CPC分类号： H04W40/32 , H04L45/46 , H04L49/353 , H04W84/10
摘要： A wireless bridging method for a wireless IEEE 1394 network environment includes receiving information about IEEE 1394 devices contained in an external cluster from the external cluster, and if the information on the IEEE 1394 devices contained in the external cluster is received from the external cluster, resetting a bus of a cluster. According to the method, an effective wireless 1394 bridge supporting a conventional 1394 devices having no bridge awareness function can be implemented.
摘要翻译：用于无线IEEE 1394网络环境的无线桥接方法包括从外部集群接收关于包含在外部集群中的IEEE 1394设备的信息，并且如果从外部集群接收到包含在外部集群中的IEEE 1394设备的信息，则重置一个集群的总线。根据该方法，可以实现支持没有桥接识别功能的常规1394设备的有效的无线1394桥。

8. 发明申请

US20060262770A1 System and method of transmitting wireline single-band orthogonal frequency-division-multiplexing-based ultra wideband signal over pipeline carrying CATV broadcasting signal 审中-公开
标题翻译：在带有CATV广播信号的流水线上传输基于有线单频正交频分复用的超宽带信号的系统和方法
公开(公告)号：US20060262770A1
公开(公告)日：2006-11-23
申请号：US11433566
申请日：2006-05-15
申请人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo
发明人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo
IPC分类号： H04B7/212
CPC分类号： H04N7/10 , H04B1/7163 , H04H20/78 , H04L12/2801 , H04L12/2803 , H04L12/2838 , H04L27/2608 , H04L2012/2849 , H04L2012/285
摘要： A wireline ultra wideband (UWB) signal transmission device, and a wireline ultra wideband signal transmission method of transmitting an ultra wideband signal over a pipeline carrying a cable television (CATV) broadcasting signal. The pipeline includes a plurality of coaxial cables operatively connected through a plurality of splitters that divide the CATV broadcasting signal at a predetermined rate. A plurality of wireline UWB signal transmission devices respectively connected to the pipeline transmit a wireline single band orthogonal frequency division multiplexing (SB-OFDM) based UWB signal through the pipeline and recover a multimedia signal from the SB-OFDM based signal.
摘要翻译：一种有线超宽带（UWB）信号传输装置，以及一种通过承载有线电视（CATV）广播信号的管道传输超宽带信号的有线超宽带信号传输方法。管道包括通过多个分配器操作地连接的多个同轴电缆，其以预定速率划分CATV广播信号。分别连接到管线的多条有线UWB信号传输设备通过流水线传输基于有线单频正交频分复用（SB-OFDM）的UWB信号，并从基于SB-OFDM的信号中恢复多媒体信号。

9. 发明申请

US20060239682A1 Time and wavelength division multiplexed passive optical network 审中-公开
标题翻译：时间和波分复用无源光网络
公开(公告)号：US20060239682A1
公开(公告)日：2006-10-26
申请号：US11357172
申请日：2006-02-21
申请人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo , June-koo Rhee , Chun-ju Youn
发明人： Keun-joo Park , Hyun-chin Kim , Young-kwang Seo , Yeong-bae Yeo , June-koo Rhee , Chun-ju Youn
IPC分类号： H04J14/00
CPC分类号： H04N9/8227 , H04J14/0226 , H04J14/0227 , H04J14/0247 , H04J14/025 , H04J14/0282 , H04N5/85 , H04N7/17309 , H04N7/22 , H04N9/8063 , H04N21/23608 , H04N21/2383
摘要： A time and wavelength division multiplexed passive optical network where a central office has a downstream transmitter and an upstream receiver. The downstream transmitter multiplexes and transmits downstream optical signals in a time region. The upstream receiver de-multiplexes, in a wavelength region, an upstream optical signal. An optical network unit has a downstream receiver and an upstream transmitter, where the downstream receiver de-multiplexes, in the time region, the downstream optical signals from the central office. The upstream transmitter multiplexes the upstream optical signal in the wavelength region and transmits the signal to the central office. A remote node, having an optical distributor and a wavelength division multiplexer, is connected between the central office and the optical network unit. The optical distributor distributes the downstream optical signals from the central office. The wavelength division multiplexer multiplexes, in the wavelength region, the upstream optical signal from each optical network unit.
摘要翻译：时间和波分复用无源光网络，其中中心局具有下行发射机和上游接收机。下行发射机在时域中复用和发送下行光信号。上行接收器在波长区域中对上游光信号进行解复用。光网络单元具有下行接收器和上游发射器，其中下行接收器在时域中对来自中心局的下行光信号进行解复用。上行发射机复用波长区域中的上行光信号，并将信号发送到中心局。具有光分配器和波分多路复用器的远程节点连接在中心局和光网络单元之间。光学分配器分配来自中心局的下行光信号。波分复用器在波长区域中复用来自每个光网络单元的上行光信号。

10. 发明申请

US20060093357A1 Method and apparatus for suppressing optical surge in optical burst switching network 失效
标题翻译：用于抑制光突发交换网络中的光浪涌的方法和装置
公开(公告)号：US20060093357A1
公开(公告)日：2006-05-04
申请号：US11264165
申请日：2005-11-02
申请人： Keun-joo Park , Hyun-chin Kim , June-koo Rhee , Young-kwang Seo , Chun-ju Youn
发明人： Keun-joo Park , Hyun-chin Kim , June-koo Rhee , Young-kwang Seo , Chun-ju Youn
IPC分类号： H04B10/08
CPC分类号： H04B10/564 , H04B10/077 , H04B10/07955
摘要： Apparatuses and methods are provided which suppress a surge component occurring at an optical amplifier on an optical path through which an optical burst signal is transmitted. An optical amplifier may experience a surge due to the power variation of the optical burst signal that is fed to the optical amplifier. To suppress such a surge component, a power corresponding to a number of wavelengths of an optical burst signal to be input is calculated. The optical amplifier is instructed to generate an optical signal with a power corresponding to a difference between a set value and the calculated power. The generated optical signal and the optical burst signal to be input are coupled and output according to the instruction. Thus, the optical amplifier can receive the optical signal with the constant power and the surge component at the optical amplifier can be suppressed.
摘要翻译：提供的装置和方法，其抑制在发送光猝发信号的光路上的光放大器处发生的浪涌分量。由于馈送到光放大器的光猝发信号的功率变化，光放大器可能经历浪涌。为了抑制这种浪涌分量，计算与要输入的光猝发信号的波长数相对应的功率。指示光放大器产生具有与设定值和计算功率之间的差对应的功率的光信号。所生成的光信号和要输入的光突发信号根据该指令进行耦合和输出。因此，光放大器可以以恒定功率接收光信号，并且可以抑制光放大器处的浪涌元件。

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