专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明授权

US07340171B2 FTTH system for broadcast/communication convergence using IEEE 1394 失效
标题翻译：使用IEEE 1394的广播/通信融合FTTH系统
公开(公告)号：US07340171B2
公开(公告)日：2008-03-04
申请号：US10937626
申请日：2004-09-09
申请人： Kwan-Woong Song , Jeong-Rok Park , Jae-Hun Cho , Jun-Ho Koh
发明人： Kwan-Woong Song , Jeong-Rok Park , Jae-Hun Cho , Jun-Ho Koh
IPC分类号： H04J14/00
CPC分类号： H04H20/77 , H04J14/02 , H04J14/0226 , H04J14/0232 , H04J14/0247 , H04J14/0252 , H04J14/0282 , H04Q11/0067 , H04Q2011/0064
摘要： A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and communication signals using an IEEE 1394 transmission method serving as a standard interface in the FTTH system for broadcast/communication convergence. An OLT (Optical Line Terminal) transfers a plurality of broadcast signals and a communication signal received from external broadcast and communication providers through a single optical signal (A). An ONU (Optical Network Unit) receives the optical signal (A) from the OLT, separates the received optical signal into the plurality of broadcast signals and the communication signal, opto-electrically converts the plurality of broadcast signals and the communication signal, switches the converted broadcast signals subscriber by subscriber, combines the converted communication signal with the switched converted broadcast signals. The result is transferred to a corresponding subscriber through a single optical signal (B). A gateway at each subscriber is implemented by IEEE 1394 protocol to receive the optical signal (B) from the ONU, separate the received optical signal into the broadcast signals and the communication signal, and transfer the broadcast signals and the communication signal to a corresponding subscriber device.
摘要翻译：广播/通信会聚系统和FTTH（光纤到户）系统，其可以通过会聚广播和通信信号并且使用服务的IEEE 1394传输方法来发送会聚的广播和通信信号来适应各种频道和可变频带信号的广播信号作为广播/通信融合FTTH系统的标准接口。 OLT（光线路终端）通过单个光信号（A）传送从外部广播和通信提供者接收的多个广播信号和通信信号。 ONU（光网络单元）从OLT接收光信号（A），将接收到的光信号分离成多个广播信号和通信信号，对多个广播信号和通信信号进行光电转换，切换由用户转换的广播信号用户组合转换后的通信信号与切换转换的广播信号。结果通过单个光信号（B）传送到相应的用户。每个用户的网关由IEEE 1394协议实现，用于从ONU接收光信号（B），将接收的光信号分离成广播信号和通信信号，并将广播信号和通信信号传送到相应的用户设备。

12. 发明申请

US20050169632A1 FTTH system for broadcast/communication convergence using IEEE 1394 失效
标题翻译：使用IEEE 1394的广播/通信融合FTTH系统
公开(公告)号：US20050169632A1
公开(公告)日：2005-08-04
申请号：US10937626
申请日：2004-09-09
申请人： Kwan-Woong Song , Jeong-Rok Park , Jae-Hun Cho , Jun-Ho Koh
发明人： Kwan-Woong Song , Jeong-Rok Park , Jae-Hun Cho , Jun-Ho Koh
IPC分类号： G06F13/00 , H04B10/2581 , H04H1/00 , H04H20/77 , H04J14/00 , H04J14/02 , H04J14/08 , H04L12/28 , H04L12/44 , H04L12/66 , H04L29/06 , H04N7/173 , H04N7/22 , H04N21/61 , H04N21/647
CPC分类号： H04H20/77 , H04J14/02 , H04J14/0226 , H04J14/0232 , H04J14/0247 , H04J14/0252 , H04J14/0282 , H04Q11/0067 , H04Q2011/0064
摘要： A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and communication signals using an IEEE 1394 transmission method serving as a standard interface in the FTTH system for broadcast/communication convergence. An OLT (Optical Line Terminal) transfers a plurality of broadcast signals and a communication signal received from external broadcast and communication providers through a single optical signal (A). An ONU (Optical Network Unit) receives the optical signal (A) from the OLT, separates the received optical signal into the plurality of broadcast signals and the communication signal, opto-electrically converts the plurality of broadcast signals and the communication signal, switches the converted broadcast signals subscriber by subscriber, combines the converted communication signal with the switched converted broadcast signals. The result is transferred to a corresponding subscriber through a single optical signal (B). A gateway at each subscriber is implemented by IEEE 1394 protocol to receive the optical signal (B) from the ONU, separate the received optical signal into the broadcast signals and the communication signal, and transfer the broadcast signals and the communication signal to a corresponding subscriber device.
摘要翻译：广播/通信会聚系统和FTTH（光纤到户）系统，其可以通过会聚广播和通信信号并且使用服务的IEEE 1394传输方法来发送会聚的广播和通信信号来适应各种频道和可变频带信号的广播信号作为广播/通信融合FTTH系统的标准接口。 OLT（光线路终端）通过单个光信号（A）传送从外部广播和通信提供者接收的多个广播信号和通信信号。 ONU（光网络单元）从OLT接收光信号（A），将接收到的光信号分离成多个广播信号和通信信号，对多个广播信号和通信信号进行光电转换，切换由用户转换的广播信号用户组合转换后的通信信号与切换转换的广播信号。结果通过单个光信号（B）传送到相应的用户。每个用户的网关由IEEE 1394协议实现，用于从ONU接收光信号（B），将接收的光信号分离成广播信号和通信信号，并将广播信号和通信信号传送到相应的用户设备。

13. 发明授权

US07068425B2 Wideband optical fiber amplifier 失效
标题翻译：宽带光纤放大器
公开(公告)号：US07068425B2
公开(公告)日：2006-06-27
申请号：US10648664
申请日：2003-08-26
申请人： Seong-Taek Hwang , Kwan-Woong Song , Yun-Je Oh
发明人： Seong-Taek Hwang , Kwan-Woong Song , Yun-Je Oh
IPC分类号： H01S3/00
CPC分类号： H04B10/291 , H01S3/06754 , H01S3/094003 , H01S3/094023 , H01S3/2383
摘要： Disclosed wideband optical fiber amplifier amplifies and outputs wideband optical signal containing C-band and L-band optical signals. The amplifier includes: a first amplification section amplifying the wideband optical signals; a second amplification section amplifying the separated L-band optical signals amplified by the first amplification section; an optical signal coupler combining and outputting the optical signals amplified by the first and second amplification sections; and an optical circulator. A first port of the optical circulator inputs the wideband optical signals from the optical communication network; a second port outputs the inputted wideband optical signals and inputs spontaneous emissions generated from the first amplification section; a third port provides the spontaneous emissions to the second amplification section while inputting the L-band optical signals amplified by the second amplification section; and a fourth port outputs L-band optical signals that were inputted to the third port to the optical signal coupler.
摘要翻译：公开的宽带光纤放大器放大并输出包含C波段和L波段光信号的宽带光信号。放大器包括：放大宽带光信号的第一放大部分; 第二放大部分，放大由第一放大部分放大的分离的L波段光信号; 光信号耦合器，组合并输出由第一和第二放大部分放大的光信号; 和光循环器。光环行器的第一个端口输入来自光通信网络的宽带光信号; 第二端口输出所输入的宽带光信号并输入从第一放大部分产生的自发辐射; 第三端口在输入由第二放大部分放大的L波段光信号的同时，向第二放大部分提供自发辐射; 并且第四端口将输入到第三端口的L波段光信号输出到光信号耦合器。

14. 发明授权

US06937388B2 L-band optical amplifier 失效
标题翻译： L波段光放大器
公开(公告)号：US06937388B2
公开(公告)日：2005-08-30
申请号：US10425698
申请日：2003-04-29
申请人： Kwan-Woong Song , Seong-Taek Hwang , Yun-Je Oh
发明人： Kwan-Woong Song , Seong-Taek Hwang , Yun-Je Oh
IPC分类号： H01S3/06 , G02B6/00 , H01S3/067 , H01S3/091 , H01S3/10 , H01S3/00
CPC分类号： H04B10/291
摘要： Disclosed is an L-band optical amplifier for amplifying optical signals with the wavelength band of the L-band. The L-band optical amplifier comprises an optical-amplifying section for emitting spontaneous emission and for amplifying the optical signals by pumping of the spontaneous emission, a mirror for reflecting the optical signals amplified by the optical-amplifying section to re-enter back to the optical-amplifying section, and a feedback loop connected with both terminals of the optical-amplifying section for causing spontaneous emission emitted from the optical-amplifying section to be fed back to the optical-amplifying section.
摘要翻译：公开了一种用于放大具有L波段的波段的光信号的L波段光放大器。 L波段光放大器包括用于发射自发发射并通过泵浦自发辐射来放大光信号的光放大部分，用于反射由光放大部分放大的光信号的反射镜重新返回到光放大部分和与光放大部分的两端连接的反馈回路，用于使从光放大部分发出的自发发射反馈到光放大部分。

15. 发明授权

US06934474B2 Bidirectional add/drop multiplexer 失效
标题翻译：双向分插复用器
公开(公告)号：US06934474B2
公开(公告)日：2005-08-23
申请号：US09946206
申请日：2001-09-05
申请人： Kwan-Woong Song , Tae-Sung Park , Shin-Hee Won , Yun-Je Oh
发明人： Kwan-Woong Song , Tae-Sung Park , Shin-Hee Won , Yun-Je Oh
IPC分类号： G02B6/12 , G02B6/28 , G02B6/293 , H04B10/00 , H04B10/2507 , H04B10/27 , H04B10/29 , H04J14/00 , H04J14/02
CPC分类号： H04J14/0216 , H04J14/0213
摘要： The present invention is directed to a bidirectional add/drop multiplexer connected with waveguides at opposite ends thereof, respectively, and adapted to add/drop a channel in forward and reverse directions. The multiplexer includes a forward arrayed waveguide grating for demultiplexing the respective channels of the forward optical signal inputted thereto, for adding or dropping a channel to the demultiplexed channels of the forward optical signal, and for multiplexing the channel-added or dropped channels; a reverse arrayed waveguide grating for demultiplexing respective channels of the reverse optical signal inputted thereto, for adding or dropping a channel to the demultiplexed channels of the reverse optical signal, and for multiplexing the channel-added or dropped channels; a first circulator for inputting the forward optical signal to the forward waveguide grating and outputting the reverse optical signal received from the reverse waveguide grating to one of the waveguides, and, a second circulator for inputting the reverse optical signal to the forward waveguide grating and outputting the forward optical signal received from the forward waveguide grating to the other waveguide. Using this arrangement, the bidirectional add/drop multiplexer is capable of cutting off the relative intensity noise while avoiding the collision of the forward and reverse optical signals.
摘要翻译：本发明涉及一种双向分插复用器，分别与其波导在其相对端连接，并且适于在正向和反向上加/减通道。多路复用器包括一个前向阵列波导光栅，用于对输入到其中的正向光信号的各个信道进行解复用，以将信道添加或丢弃到正向光信号的解复用信道，并用于多路复用通道添加或丢弃的信道; 反向阵列波导光栅，用于对输入到其中的反向光信号的各个通道进行解复用，用于将信道添加或丢弃到反向光信号的解复用信道，并用于复用通道添加或丢弃的信道; 第一循环器，用于将前向光信号输入到前向波导光栅，并将从反向波导光栅接收的反向光信号输出到波导中的一个;以及第二循环器，用于将反向光信号输入到正向波导光栅并输出从正向波导光栅接收的正向光信号到另一个波导。使用这种布置，双向分插复用器能够在避免正向和反向光信号的冲突的同时切断相对强度噪声。

16. 发明申请

US20070189162A1 Method for setting multicast and broadcast service in broadband wireless access system 审中-公开
标题翻译：宽带无线接入系统中组播广播业务的设置方法
公开(公告)号：US20070189162A1
公开(公告)日：2007-08-16
申请号：US11636832
申请日：2006-12-11
申请人： Kwan-Woong Song , Yong-Deok Kim , Young-Hun Joo , Han-Sang Kim
发明人： Kwan-Woong Song , Yong-Deok Kim , Young-Hun Joo , Han-Sang Kim
IPC分类号： H04L12/26
CPC分类号： H04W28/18 , H04L12/189 , H04W4/06 , H04W28/14 , H04W74/00
摘要： A method for setting a multicast and broadcast service (MBS) of a broadband wireless access system includes: previously receiving and storing the information on the MBS setting from a MBS server by a radio access station; and broadcasting the information on the MBS setting stored in the PSS, which exists in the service area of the radio access station, by the radio access station. In the step of broadcasting the information on the MBS setting, a preset pilot tone, uplink/downlink information, or the sub-carriers unused in bandwidth of the system are used for broadcasting the information.
摘要翻译：一种用于设置宽带无线接入系统的组播广播业务（MBS）的方法，包括：先前通过无线接入站从MBS服务器接收并存储有关MBS设置的信息; 并且通过无线电接入站广播存在于无线电接入站的服务区域中的PSS中存储的MBS设置上的信息。在广播MBS设置的信息的步骤中，使用预先设定的导频音，上行链路/下行链路信息，或系统带宽中未使用的子载波来广播该信息。

17. 发明申请

US20070116129A1 System and method for transmitting digital video stream using SVC scheme 有权
标题翻译：使用SVC方案传输数字视频流的系统和方法
公开(公告)号：US20070116129A1
公开(公告)日：2007-05-24
申请号：US11523510
申请日：2006-09-19
申请人： Han-Sang Kim , Kwan-Woong Song , Young-Hun Joo
发明人： Han-Sang Kim , Kwan-Woong Song , Young-Hun Joo
IPC分类号： H04N11/02 , H04N7/12
CPC分类号： H04N21/234327 , H04N19/30 , H04N19/61 , H04N21/631 , H04N21/64792
摘要： Disclosed is a system for transmitting a digital video stream, which supports decoding of a scalable video coding (SVC) scheme, the system includes a transmission terminal and a reception terminal, wherein the transmission terminal includes an encoder for encoding a high-definition digital video stream and a division transmission unit for dividing the high-definition video stream having a predetermined time unit into a first divided high-definition video stream and a second divided high-definition video stream by reducing a frame rate and for transmitting the first and second divided high-definition video streams, and the reception terminal includes a transmission coupling unit for receiving the first and second divided high-definition video streams transmitted from the transmission terminal, coupling the received streams according to validity thereof, and transmitting the received streams as a reception high-definition digital video stream; and a decoder for decoding the reception high-definition digital video stream transmitted from the transmission coupling unit.
摘要翻译：公开了一种用于发送支持可缩放视频编码（SVC）方案的解码的数字视频流的系统，该系统包括发送终端和接收终端，其中发送终端包括用于对高分辨率数字视频进行编码的编码器流和分割发送单元，用于通过减少帧速率将具有预定时间单位的高清晰度视频流划分为第一分割高分辨率视频流和第二分割高分辨率视频流，并且用于发送第一和第二分割高清视频流高清晰度视频流，并且接收终端包括：传输耦合单元，用于接收从发送终端发送的第一和第二划分的高清晰度视频流，根据其有效性耦合接收的流，并将接收的流作为接收发送高清数字视频流; 以及用于解码从传输耦合单元发送的接收高分辨率数字视频流的解码器。

18. 发明授权

US08199817B2 Method for error concealment in decoding of moving picture and decoding apparatus using the same 有权
标题翻译：运动图像解码中的误差隐藏方法及使用该方法的解码装置
公开(公告)号：US08199817B2
公开(公告)日：2012-06-12
申请号：US11901589
申请日：2007-09-18
申请人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
发明人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
IPC分类号： H04N11/02 , H04N7/12
CPC分类号： H04N19/61 , H04N19/895
摘要： A method and apparatus for error concealment in decoding of a moving picture. The method includes the steps of determining an erroneous macro block in a present frame when the moving picture is decoded, finding a first macro block having a highest similarity to the erroneous macro block and a second macro block having a next highest similarity to the erroneous block in a previous frame by comparing adjacent pixels of respective blocks in the previous frame with adjacent pixels of the erroneous block in the present frame; and replacing the erroneous block by using an average between the found macro blocks having the highest similarity and the second highest similarity to thereby conceal the erroneous macro block. The apparatus includes a parser, an entropy decoder, an inverse quantizer, an inverse converter, and a concealment unit that uses motion compensation from a previous frame to correct a macro block in a current frame.
摘要翻译：一种用于运动图像解码中的错误隐藏的方法和装置。该方法包括以下步骤：当解码运动图像时，确定当前帧中的错误宏块，找到与错误宏块具有最高相似度的第一宏块和与错误块具有次高相似性的第二宏块在前一帧中通过将前一帧中的各个块的相邻像素与当前帧中的错误块的相邻像素进行比较; 并且通过使用具有最高相似度的所找到的宏块与第二高相似度之间的平均值来替换错误块，从而隐藏错误的宏块。该装置包括解析器，熵解码器，逆量化器，逆变换器和隐藏单元，其使用来自前一帧的运动补偿来校正当前帧中的宏块。

19. 发明申请

US20080080623A1 Method for error concealment in decoding of moving picture and decoding apparatus using the same 有权
标题翻译：运动图像解码中的误差隐藏方法及使用该方法的解码装置
公开(公告)号：US20080080623A1
公开(公告)日：2008-04-03
申请号：US11901589
申请日：2007-09-18
申请人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
发明人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
IPC分类号： H04B1/66
CPC分类号： H04N19/61 , H04N19/895
摘要： A method and apparatus for error concealment in decoding of a moving picture. The method includes the steps of determining an erroneous macro block in a present frame when the moving picture is decoded, finding a first macro block having a highest similarity to the erroneous macro block and a second macro block having a next highest similarity to the erroneous block in a previous frame by comparing adjacent pixels of respective blocks in the previous frame with adjacent pixels of the erroneous block in the present frame; and replacing the erroneous block by using an average between the found macro blocks having the highest similarity and the second highest similarity to thereby conceal the erroneous macro block. The apparatus includes a parser, an entropy decoder, an inverse quantizer, an inverse converter, and a concealment unit that uses motion compensation from a previous frame to correct a macro block in a current frame.
摘要翻译：一种用于运动图像解码中的错误隐藏的方法和装置。该方法包括以下步骤：当解码运动图像时，确定当前帧中的错误宏块，找到与错误宏块具有最高相似度的第一宏块和与错误块具有次高相似性的第二宏块在前一帧中通过将前一帧中的各个块的相邻像素与当前帧中的错误块的相邻像素进行比较; 并且通过使用具有最高相似度的所找到的宏块与第二高相似度之间的平均值来替换错误块，从而隐藏错误的宏块。该装置包括解析器，熵解码器，逆量化器，逆变换器和隐藏单元，其使用来自前一帧的运动补偿来校正当前帧中的宏块。

20. 发明授权

US08526505B2 System and method for transmitting digital video stream using SVC scheme 有权
标题翻译：使用SVC方案传输数字视频流的系统和方法
公开(公告)号：US08526505B2
公开(公告)日：2013-09-03
申请号：US11523510
申请日：2006-09-19
申请人： Han-Sang Kim , Kwan-Woong Song , Young-Hun Joo
发明人： Han-Sang Kim , Kwan-Woong Song , Young-Hun Joo
IPC分类号： H04N7/12
CPC分类号： H04N21/234327 , H04N19/30 , H04N19/61 , H04N21/631 , H04N21/64792
摘要： Disclosed is a system for transmitting a digital video stream, which supports decoding of a scalable video coding (SVC) scheme, the system includes a transmission terminal and a reception terminal, wherein the transmission terminal includes an encoder for encoding a high-definition digital video stream and a division transmission unit for dividing the high-definition video stream having a predetermined time unit into a first divided high-definition video stream and a second divided high-definition video stream by reducing a frame rate and for transmitting the first and second divided high-definition video streams, and the reception terminal includes a transmission coupling unit for receiving the first and second divided high-definition video streams transmitted from the transmission terminal, coupling the received streams according to validity thereof, and transmitting the received streams as a reception high-definition digital video stream; and a decoder for decoding the reception high-definition digital video stream transmitted from the transmission coupling unit.
摘要翻译：公开了一种用于发送数字视频流的系统，其支持可缩放视频编码（SVC）方案的解码，该系统包括传输终端和接收终端，其中传输终端包括用于对高分辨率数字视频进行编码的编码器流和分割发送单元，用于通过减少帧速率将具有预定时间单位的高清晰度视频流划分为第一分割高分辨率视频流和第二分割高分辨率视频流，并且用于发送第一和第二分割高清视频流高清晰度视频流，并且接收终端包括：传输耦合单元，用于接收从发送终端发送的第一和第二划分的高清晰度视频流，根据其有效性耦合接收的流，并将接收的流作为接收发送高清数字视频流; 以及用于解码从传输耦合单元发送的接收高分辨率数字视频流的解码器。

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