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1. 发明授权

US07450854B2 High-speed wireless LAN system 有权
标题翻译：高速无线局域网系统
公开(公告)号：US07450854B2
公开(公告)日：2008-11-11
申请号：US10860718
申请日：2004-06-03
申请人： Jong-Hun Lee , Yun-Je Oh , Do-In Choi
发明人： Jong-Hun Lee , Yun-Je Oh , Do-In Choi
IPC分类号： H04B10/10 , H04K1/00
CPC分类号： H04B1/7163 , H04B10/1125
摘要： A high-speed wireless LAN system is disclosed. The system includes a mobile station for transmitting/receiving data encrypted by a predetermined encryption method, communicating the data to associated access points by an ultra wide-band (UWB) communication method, and communicating an encryption key according to the encryption method to said associated access points by an optical or infra-red (IR) communication method; the plurality of access points, installed in a plurality of predetermined service areas, for relaying between the mobile station and a gateway of a remote place by communicating the data and the encryption key with the mobile station located in the corresponding service area by the UWB and the optical or IR communication methods and transmitting/receiving the data and the encryption key to/from the gateway by an optical communication method; and the gateway for providing an optical interface between an internal network and an external network, being provided with a plurality of gateway sub-modules for transmitting/receiving the data and the encryption key by communicating with the plurality of access points by the optical communication method, and transmitting a subscriber service transmitted from the external network to the corresponding access point.
摘要翻译：公开了一种高速无线LAN系统。该系统包括用于发送/接收通过预定加密方法加密的数据的移动站，通过超宽带（UWB）通信方法将数据传送到相关联的接入点，并根据加密方法将加密密钥传送到所述相关联的通过光或红外（IR）通信方式的接入点; 所述多个接入点安装在多个预定服务区域中，用于通过所述UWB与位于相应服务区域中的所述移动台通信所述数据和所述加密密钥来在所述移动台与所述远程地点的网关之间进行中继;以及光或IR通信方法，并通过光通信方式向/从网关发送/接收数据和加密密钥; 以及用于在内部网络和外部网络之间提供光学接口的网关，其具有通过光学通信方法与多个接入点通信来发送/接收数据和加密密钥的多个网关子模块并且将从外部网络发送的用户服务发送到对应的接入点。

2. 发明授权

US07168860B2 Assembly of passive socket and plug for optical home network 失效
标题翻译：用于光学家庭网络的被动插座和插头的组装
公开(公告)号：US07168860B2
公开(公告)日：2007-01-30
申请号：US10861068
申请日：2004-06-04
申请人： Lae-Kyoung Kim , Do-In Choi , Yun-Je Oh , Hee-Won Cheung , Jong-Hun Lee
发明人： Lae-Kyoung Kim , Do-In Choi , Yun-Je Oh , Hee-Won Cheung , Jong-Hun Lee
IPC分类号： G02B6/38
CPC分类号： G02B6/3508 , G02B6/355 , G02B6/3564 , G02B6/3568 , G02B6/3574 , G02B6/3845 , G02B6/3893
摘要： An assembly for an optical home network includes a socket having input and output optical fibers, for transmitting optical signals, installed at corresponding positions of both sides of a connection hole. The assembly further includes a plug connected to a device and including input and output optical transmission lines respectively connected to the input and output optical fibers when the plug is inserted into the connection hole of the socket so as to be connected to the socket. The optical signals transmitted through the input and output optical fibers pass through the socket when the plug is not connected to the passive socket, and are transmitted to the device through the plug when the plug is connected to the socket.
摘要翻译：用于光学家庭网络的组件包括具有输入和输出光纤的插座，用于传输安装在连接孔两侧的对应位置处的光信号。组件还包括连接到设备的插头，并且当插头插入插座的连接孔中以连接到插座时，包括分别连接到输入和输出光纤的输入和输出光传输线。当插头未连接到被动插座时，通过输入和输出光纤传输的光信号通过插座，并且当插头连接到插座时通过插头传输到设备。

3. 发明申请

US20050030902A1 IEEE 1394-based unidirectional ring system for indoor backbone network 失效
标题翻译：基于IEEE 1394的室内骨干网单向环系统
公开(公告)号：US20050030902A1
公开(公告)日：2005-02-10
申请号：US10798165
申请日：2004-03-11
申请人： Do-In Choi , Lae-Kyoung Kim , Hee-Won Cheung , Yun-Je Oh
发明人： Do-In Choi , Lae-Kyoung Kim , Hee-Won Cheung , Yun-Je Oh
IPC分类号： H04L12/28 , H04L12/40 , H04L12/42 , H04L12/64 , H04L12/26 , H04L12/403
CPC分类号： H04L12/6418 , H04L12/2803 , H04L12/40097 , H04L12/42
摘要： An IEEE 1394-based unidirectional ring system for an indoor backbone network is disclosed. In the ring system, an RG is used for connection to an external large-capacity network, and an SG is connected to the RG. The SG functions as a clock master to synchronize whole clock signals in the system, manages traffic in the indoor backbone network, manages buses in the indoor backbone network, and monitors the physical states of transmission lines in indoor backbone network. The SG and the SPs form a unidirectional ring structure. A plurality of SPs is configured to load the user data over the indoor backbone network or extract user-desired data from the indoor backbone network to provide user-desired services to a user.
摘要翻译：公开了一种用于室内骨干网的基于IEEE 1394的单向环形系统。在环系统中，RG用于连接外部大容量网络，SG连接到RG。 SG作为时钟主机，用于同步系统中的整个时钟信号，管理室内骨干网中的流量，管理室内骨干网中的总线，监控室内骨干网中传输线的物理状态。 SG和SP形成单向环结构。多个SP被配置为通过室内骨干网络加载用户数据，或者从室内骨干网络提取用户期望的数据，以向用户提供用户期望的服务。

4. 发明授权

US07408955B2 Gigabit ethernet passive optical network system and media access control method for the same 有权
标题翻译：千兆以太网无源光网络系统和媒体访问控制方法相同
公开(公告)号：US07408955B2
公开(公告)日：2008-08-05
申请号：US10278305
申请日：2002-10-23
申请人： Do-In Choi , Yun-Je Oh , Min-Hyo Lee , Soon-Ho Jang , Hwan-Jin Sung , Tae-Sung Park
发明人： Do-In Choi , Yun-Je Oh , Min-Hyo Lee , Soon-Ho Jang , Hwan-Jin Sung , Tae-Sung Park
IPC分类号： H04J3/16 , H04J3/26 , H04J3/24 , H04J14/08
CPC分类号： H04Q11/0067 , H04Q11/0066 , H04Q2011/0064
摘要： A GE-PON (Gigabit Ethernet Passive Optical Network) system and media access control method for the same are disclosed. In the GE-PON system, by employing MAC attributes of the gigabit Ethernet frames, an OLT (Optical Line Termination) transmits a downstream window containing both a control frame having timeslot position and size information in association with at least two ONUs and Ethernet frames to an ODN (Optical Distribution Network). The OLT analyzes contents of RAUs in an upstream window transmitted from the ONUs in a TDMA method and received from the ODN, and permits timeslot position and size corresponding to each of the ONUs. A plurality of ONUs, connected to the ODN, have their respective timeslot position and size allocated in response to their respective information contained in the control frame of the downstream window. RAU frames are transmitted having queue information and Ethernet frames associated with the allocated timeslots. As a result, by the above MAC structure of the GE-PON system, the OLT can be quickly intercommunicated with a plurality of ONUs.
摘要翻译：公开了一种GE-PON（千兆以太网无源光网络）系统及其媒体访问控制方法。在GE-PON系统中，通过采用千兆比特以太网帧的MAC属性，OLT（Optical Line Termination，光线路终端）将包含具有时隙位置的控制帧和与至少两个ONU和以太网帧相关的大小信息的下游窗口发送到 ODN（光分配网络）。 OLT以TDMA方式从ONU发送的上行窗口中的RAU的内容进行分析，并从ODN接收，并且允许与每个ONU对应的时隙位置和大小。连接到ODN的多个ONU具有响应于其包含在下游窗口的控制帧中的它们各自的信息而分配的各自的时隙位置和大小。发送具有与分配的时隙相关联的队列信息和以太网帧的RAU帧。结果，通过GE-PON系统的上述MAC结构，OLT可以与多个ONU快速相互通信。

5. 发明申请

US20060061100A1 Connector assembly for corrosive gas supply pipe 审中-公开
标题翻译：用于腐蚀性气体供应管的连接器组件
公开(公告)号：US20060061100A1
公开(公告)日：2006-03-23
申请号：US11202499
申请日：2005-08-12
申请人： Do-In Choi , Young-Seok Kim , Yun-Je Oh , Jong-Hun Lee
发明人： Do-In Choi , Young-Seok Kim , Yun-Je Oh , Jong-Hun Lee
IPC分类号： F16L17/00
CPC分类号： F16L9/18 , F16L49/06
摘要： A connector assembly for coupling a corrosive gas supply pipe with a glass tube in an apparatus for fabricating an optical fiber preform using vapor deposition is disclosed. The connector assembly includes a first connector formed on an inner periphery thereof with a threaded portion, a second connector having a stepped surface on an inner surface and formed on an outer periphery with a threaded portion threadedly engaged with the first connector, an O-ring installed in the first connector and in close contact with the stepped surface when the second connector is threadedly engaged with the first connector, and resilient means for urging the O-ring against the stepped surface. The connector assembly consistently applies a resilient force to the O-ring functioning as a seal between the first and second connectors. For a long-running operation, even though the O-ring is cured, the fitting maintains a consistent sealing state to prevent metal material from being oxidized by the corrosive gas. As a result, fine oxidized metal particulars do not infiltrate into the gas supply pipe to prevent the optical fiber preform from deteriorating.
摘要翻译：公开了一种用于在用于使用气相沉积制造光纤预制件的装置中将腐蚀性气体供应管与玻璃管连接的连接器组件。连接器组件包括在其内周上形成有螺纹部分的第一连接器，在内表面上具有台阶表面的第二连接器，并且在外周上形成有与第一连接器螺纹接合的螺纹部分，O形环安装在第一连接器中并且当第二连接器与第一连接器螺纹接合时与台阶表面紧密接触;以及弹性装置，用于将O形环推压到台阶表面。连接器组件一致地向作为第一和第二连接器之间的密封件的O形环施加弹性力。对于长时间运行的操作，即使O形圈固化，配件保持一致的密封状态，以防止金属材料被腐蚀性气体氧化。结果，细小的氧化金属细节不会渗入气体供应管中，以防止光纤预制件变质。

6. 发明授权

US06762878B2 Gain control device and method for erbium doped fiber amplifier 失效
标题翻译：用于掺铒光纤放大器的增益控制装置和方法
公开(公告)号：US06762878B2
公开(公告)日：2004-07-13
申请号：US09947796
申请日：2001-09-06
申请人： Tae-Sung Park , Do-In Choi , Yun-Je Oh
发明人： Tae-Sung Park , Do-In Choi , Yun-Je Oh
IPC分类号： H04B1012
CPC分类号： H01S3/1301 , H01S3/06754 , H01S3/10069 , H01S3/1305 , H01S3/1608
摘要： This invention provides a gain control device and method for an erbium doped fiber amplifier that is capable of maintaining a constant gain irrespective of the intensity variation of the input signal light. The gain control device includes: a pumping light source for outputting pumping light adapted to excite erbium ions for the amplification of an input optical signal while outputting a pumping light sensing signal indicative of the power of the pumping light; a photo-detecting unit for outputting an input light sensing signal indicative of the power of the input optical signal; a control unit for reading out from a look-up table a reference power corresponding to the optical signal power indicated by the input light sensing signal and outputting a reference signal indicative of the read-out reference power; an automatic gain control circuit for conducting a comparison between the reference power and the pumping light power based on the pumping light sensing signal and the reference signal, and for outputting a power compensating signal adapted to compensate for the difference between the reference power and the pumping light power; and, a pumping light source driving unit for controlling the level of a bias current supplied to the pumping light source based on the power compensating signal.
摘要翻译：本发明提供一种用于掺铒光纤放大器的增益控制装置和方法，其能够保持恒定的增益，而与输入信号光的强度变化无关。所述增益控制装置包括：泵浦光源，用于输出适于激发铒离子以用于放大输入光信号的泵浦光，同时输出表示所述泵浦光的功率的泵浦光感测信号; 光检测单元，用于输出指示输入光信号的功率的输入光感测信号; 控制单元，用于从查找表读出与由输入光检测信号指示的光信号功率相对应的参考功率，并输出指示读出参考功率的参考信号; 一个自动增益控制电路，用于基于泵浦光感测信号和参考信号进行参考功率和抽运光功率之间的比较，并且用于输出功率补偿信号，该功率补偿信号适于补偿参考功率和泵浦之间的差光功率以及泵浦光源驱动单元，用于基于功率补偿信号来控制提供给泵浦光源的偏置电流的电平。

7. 发明授权

US08009742B2 Method and system for retransmitting internet protocol packet for terrestrial digital multimedia broadcasting service 失效
标题翻译：用于地面数字多媒体广播业务重传互联网协议报文的方法和系统
公开(公告)号：US08009742B2
公开(公告)日：2011-08-30
申请号：US11900873
申请日：2007-09-12
申请人： Sung-Kee Kim , Do-In Choi , Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Kee Kim , Do-In Choi , Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04N11/02 , H04N7/20 , H04N7/173 , H04N7/16 , H04J3/16
CPC分类号： H04L65/607 , H04L65/608 , H04N21/234318 , H04N21/4307 , H04N21/64707
摘要： A system and method for retransmitting an Internet protocol packet for terrestrial digital multimedia broadcasting (DMB) service are provided, in which a PES packetizer and an MPEG-2 TS multiplexer are removed; video, audio, and data signals are individually carried by RTP packets; and a receiver extracts object clock reference (OCR) included in a MPEG-4 SL, and synchronizes a system clock and controls buffers by means of the OCR.
摘要翻译：提供了一种用于重新发送用于地面数字多媒体广播（DMB）业务的因特网协议分组的系统和方法，其中PES分组器和MPEG-2TS多路复用器被去除; 视频，音频和数据信号由RTP包分别承载; 并且接收器提取包含在MPEG-4SL中的对象时钟参考（OCR），并且通过OCR同步系统时钟并控制缓冲器。

8. 发明申请

US20050207398A1 Optical network unit for an access network employing IEEE1394 失效
标题翻译：用于采用IEEE1394的接入网络的光网络单元
公开(公告)号：US20050207398A1
公开(公告)日：2005-09-22
申请号：US10942239
申请日：2004-09-16
申请人： Do-In Choi , Yun-Je Oh
发明人： Do-In Choi , Yun-Je Oh
IPC分类号： H04L12/28 , H04L12/64 , H04L12/66 , H04Q11/00
CPC分类号： H04Q11/0067 , H04L12/6418 , H04Q11/0005 , H04Q11/0066 , H04Q11/0071
摘要： Disclosed is an optical network unit of an access network for converging broadcast/telecommunication by employing IEEE 1394. The optical network unit processes the broadcast data and the communication data delivered from the optical line terminal according to each corresponding subscriber and delivering the broadcast data and the communication data to each corresponding subscriber. Furthermore, the optical network unit includes a synchronous optical network (SONET) demultiplexer for receiving the broadcast data from the optical line terminal to demultiplex the broadcast data according to each broadcast channel, a broadcast switch part for switching data of each broadcast channel, demultiplexed by the synchronous optical network (SONET) demultiplexer, according to each subscriber unit to deliver the data to each subscriber unit, an Internet protocol (IP) control part for receiving the communication data from the optical line terminal, a main control part for controlling switching with respect to the data according to each channel of each subscriber unit in the broadcast switch part and delivering the communication data from the IP control part to each subscriber unit, a 1394 link layer controller/physical layer controller for converting the data of each broadcast channel delivered from the broadcast switch part and the communication data from the main control part into data of an IEEE 1394 format to deliver the data of the IEEE 1394 format, and an optical transmitting/receiving part for performing optical transmission together with the subscriber units.
摘要翻译：公开了一种通过采用IEEE 1394进行广播/电信会议的接入网络的光网络单元。光网络单元根据每个对应的用户处理从光线路终端传送的广播数据和通信数据，并传送广播数据和通信数据给每个相应的用户。此外，光网络单元包括同步光网络（SONET）解复用器，用于从光线路终端接收广播数据，根据每个广播信道对广播数据进行解复用，用于切换每个广播信道的数据的广播切换部分，同步光网络（SONET）解复用器，根据每个用户单元将数据传送到每个用户单元，用于从光线路终端接收通信数据的因特网协议（IP）控制部分，用于控制切换的主控制部分对于根据广播切换部分中的每个用户单元的每个信道的数据，并将通信数据从IP控制部分传送到每个用户单元，1394链路层控制器/物理层控制器，用于转换所传送的每个广播信道的数据从广播切换部分和主控部分的通信数据转换为IEEE 1394格式的数据以传送IEEE 1394格式的数据，以及用于与用户单元一起执行光传输的光发送/接收部分。

9. 发明授权

US08126467B2 Method for controlling handoff in optical distributed network system using multi input multi output 有权
标题翻译：使用多输入多输出控制光分布式网络系统切换的方法
公开(公告)号：US08126467B2
公开(公告)日：2012-02-28
申请号：US11623791
申请日：2007-01-17
申请人： Do-In Choi , Seong-Taek Hwang , Yun-Je Oh
发明人： Do-In Choi , Seong-Taek Hwang , Yun-Je Oh
IPC分类号： H04W36/00
CPC分类号： H04W36/18
摘要： A method for controlling a handoff in an optical distributed network system using MIMO (multi input multi output) is disclosed. The method includes steps of classifying a channel into a first channel and a second channel, and setting an active cell, receiving and measuring a signal strength of a predetermined cell, and determining on/off of the predetermined cell, when the predetermined cell turns on, releasing the first channel of the active cell, switching a path to a first channel of the predetermined cell, and keeping the second channel of the active cell, receiving and measuring a signal strength of the active cell, and when the measured signal strength is a preset critical value or less, turning off the active cell and when the active cell turns off, releasing the second channel of the active cell, and switching the path to a second channel of the predetermined cell.
摘要翻译：公开了一种使用MIMO（多输入多输出）控制光分布式网络系统中切换的方法。该方法包括以下步骤：将信道分类为第一信道和第二信道，并且当预定小区接通时，设置活动小区，接收和测量预定小区的信号强度，以及确定预定小区的开/关释放活动小区的第一信道，切换到预定小区的第一信道的路径，并保持活动小区的第二信道，接收并测量活动小区的信号强度，并且当测得的信号强度为预设的临界值或更小，关闭活动小区，并且当活动小区关闭时，释放活动小区的第二信道，并将路径切换到预定小区的第二信道。

10. 发明授权

US07489686B2 Optical network unit for an access network employing IEEE 1394 失效
标题翻译：用于采用IEEE 1394的接入网络的光网络单元
公开(公告)号：US07489686B2
公开(公告)日：2009-02-10
申请号：US10942239
申请日：2004-09-16
申请人： Do-In Choi , Yun-Je Oh
发明人： Do-In Choi , Yun-Je Oh
IPC分类号： H04L12/56
CPC分类号： H04Q11/0067 , H04L12/6418 , H04Q11/0005 , H04Q11/0066 , H04Q11/0071
摘要： Disclosed is an optical network unit of an access network for converging broadcast/telecommunication by employing IEEE 1394. The optical network unit processes the broadcast data and the communication data delivered from the optical line terminal according to each corresponding subscriber and delivering the broadcast data and the communication data to each corresponding subscriber. Furthermore, the optical network unit includes a synchronous optical network (SONET) demultiplexer for receiving the broadcast data from the optical line terminal to demultiplex the broadcast data according to each broadcast channel, a broadcast switch part for switching data of each broadcast channel, demultiplexed by the synchronous optical network (SONET) demultiplexer, according to each subscriber unit to deliver the data to each subscriber unit, an Internet protocol (IP) control part for receiving the communication data from the optical line terminal, a main control part for controlling switching with respect to the data according to each channel of each subscriber unit in the broadcast switch part and delivering the communication data from the IP control part to each subscriber unit, a 1394 link layer controller/physical layer controller for converting the data of each broadcast channel delivered from the broadcast switch part and the communication data from the main control part into data of an IEEE 1394 format to deliver the data of the IEEE 1394 format, and an optical transmitting/receiving part for performing optical transmission together with the subscriber units.
摘要翻译：公开了一种通过采用IEEE 1394进行广播/电信会议的接入网络的光网络单元。光网络单元根据每个对应的用户处理从光线路终端传送的广播数据和通信数据，并传送广播数据和通信数据给每个相应的用户。此外，光网络单元包括同步光网络（SONET）解复用器，用于从光线路终端接收广播数据，根据每个广播信道对广播数据进行解复用，用于切换每个广播信道的数据的广播切换部分，同步光网络（SONET）解复用器，根据每个用户单元将数据传送到每个用户单元，用于从光线路终端接收通信数据的因特网协议（IP）控制部分，用于控制切换的主控制部分对于根据广播切换部分中的每个用户单元的每个信道的数据，并将通信数据从IP控制部分传送到每个用户单元，1394链路层控制器/物理层控制器，用于转换所传送的每个广播信道的数据从广播切换部分和主控部分的通信数据转换为IEEE 1394格式的数据以传送IEEE 1394格式的数据，以及用于与用户单元一起执行光传输的光发送/接收部分。

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