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    • 2. 发明授权
    • Time-division multiplexing/demultiplexing system and method
    • 时分复用/解复用系统和方法
    • US07653092B2
    • 2010-01-26
    • US11406105
    • 2006-04-18
    • Joon Hak BangHyun Woo ChoSang Kyu LimWang Joo LeeJe Soo Ko
    • Joon Hak BangHyun Woo ChoSang Kyu LimWang Joo LeeJe Soo Ko
    • H04J3/06H04J3/04
    • H04J3/0685H04J3/047
    • Provided are a time-division data multiplexing/demultiplexing system and method capable of preventing errors in processing data signals which occur due to a phase difference between data signals and a multiplexing reference clock in a multiplexing process or a phase difference between a multiplexed data signal and a demultiplexing reference clock in a demultiplexing process. The time-division data multiplexing system includes: a phase adjusting unit which adjusts a phase of each of a plurality of data signals having different phases from one another for enabling the data signals to be time-division multiplexed when a plurality of values of the data signals indicate a stable state; and a multiplexer time-division multiplexing the phase adjusted data signals according to a multiplexing reference clock.
    • 提供了一种时分数据复用/解复用系统和方法,其能够防止在复用处理中数据信号与多路复用基准时钟之间的相位差产生的数据信号的处理中的错误或多路复用数据信号与 解复用处理中的解复用参考时钟。 时分数据复用系统包括:相位调整单元,用于相互调整具有不同相位的多个数据信号中的每一个的相位,以使数据信号能够在数据的多个值时进行时分复用 信号表示稳定状态; 以及多路复用器根据复用参考时钟对相位调整的数据信号进行时分复用。
    • 4. 发明申请
    • Camera rotation support apparatus for video presenter and video presenter having the same
    • 具有相同的视频演示者和视频演示者的相机旋转支持装置
    • US20050237425A1
    • 2005-10-27
    • US11052433
    • 2005-02-07
    • Seung-yeob LeeHyun-woo Cho
    • Seung-yeob LeeHyun-woo Cho
    • G03B21/06G03B17/56H04N5/225
    • H04N5/2252H04N1/19594H04N2201/0436H04N2201/0446
    • Provided is a camera support structure for a video presenter which allows rotation of a camera connected to a base of the video presenter and supports the camera in an accurate location. The camera support structure of a video presenter includes a support arm, one end of which is joined with the base, an rotation guide member that includes an annular member having a ring shape in which a plurality of ball receiving holes are formed on one end part of the support arm, biasing elements that includes a plurality of rotation-fixing balls which are inserted into the ball receiving holes from an inner side of the annular member and a portion of the balls are elastically protruded to an outer side of the annular member, a annular plate element, the rotation of which can be prevented by fixing by the rotation-fixing balls and disposed to be able to be rotated on an outer side of the annular member of the rotation guide member, and a camera head that rotates with the annular plate element by coupling with the annular plate element and fixes a camera head having a camera.
    • 提供了一种用于视频呈现器的照相机支持结构,其允许连接到视频呈现器的基座的相机的旋转并且在准确的位置支持相机。 视频呈现器的摄像机支撑结构包括一个支撑臂,其一端与基座相连接,一个旋转引导构件,其包括环形构件,该环形构件具有多个球形容纳孔,环形构件在一个端部上形成 所述支撑臂的偏压元件包括从所述环形构件的内侧插入到所述球接收孔中的多个旋转固定球,并且所述球的一部分弹性地突出到所述环形构件的外侧, 环形板元件,其旋转可以通过旋转固定球的固定来防止,并且被设置成能够在旋转引导构件的环形构件的外侧上旋转;以及照相机头,其与 环形板元件通过与环形板元件联接并固定具有相机的相机头。
    • 5. 发明申请
    • PACKET-OPTICAL INTEGRATED SWITCH WITHOUT OPTICAL TRANSPONDER
    • PACKET-OPTICAL INTEGRATED SWITCH无光学传输器
    • US20100135659A1
    • 2010-06-03
    • US12628983
    • 2009-12-01
    • Hong Ju KIMHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • Hong Ju KIMHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • H04J14/00H04J14/02H04L12/56
    • H04Q11/0005H04J14/0212H04J14/0227H04J14/0256H04L49/352H04L49/357
    • A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively.
    • 一种没有光转发器的分组光集成交换机,包括:配置成将以太网分组信号输出到预设输出端口的分组线卡; 分组交换结构,被配置为将分组信号从分组线卡传送到预先设置在分组信号中包括的目的地地址中的输出端口; 配置为将分组交换结构的分组信号转换为具有预设波长的OTU2光信号的10吉比特以太网(10GbE)/光传输单元级2(OTU2)集成线路卡; 以及波长选择交换结构,被配置为通过预定波长将来自10GbE / OTU2集成线路卡的光信号分配给预定波分复用(WDM)端口,以通过波长将光信号交换到每个端口,其中 分组线卡,分组交换结构,10GbE / OTU2集成线路卡和波长选择交换机结构分别执行该过程的反向操作。
    • 7. 发明授权
    • Apparatus and method to generate carrier suppressed-return to zero optical signal
    • 用于产生载波抑制的返回零光信号的装置和方法
    • US07817922B2
    • 2010-10-19
    • US11501932
    • 2006-08-10
    • Hyun Woo ChoDong Soo LeeJe Soo Ko
    • Hyun Woo ChoDong Soo LeeJe Soo Ko
    • H04B10/04
    • H04B10/505H04B10/5051H04B10/508
    • Provided are an apparatus and a method for generating a CS-RZ optical signal. The apparatus includes: a classifier distributing an input signal into two NRZ (non-return-to-zero) signals with an identical transmission speed; a first signal transformer converting one of the two NRZ signals into a first RZ signal using a full-frequency clock; a second signal transformer converting the other one of the two NRZ input signals into a second RZ signal using a full-frequency clock; a phase adjuster adjusting the first and second RZ signals so that a delay time corresponding to half a period of the input signal exists between the first and second RZ signals; a bias unit adding different DC (direct current) bias voltages to the first and second RZ signals; and a dual electrode optical modulator transforming the two electrical RZ signals into an optical CS-RZ signal.
    • 提供了一种用于产生CS-RZ光信号的装置和方法。 该装置包括:将输入信号分配成具有相同传输速度的两个NRZ(非归零)信号的分类器; 使用全频时钟将所述两个NRZ信号之一转换成第一RZ信号的第一信号变压器; 使用全频时钟将所述两个NRZ输入信号中的另一个转换为第二RZ信号的第二信号变压器; 调整第一和第二RZ信号的相位调整器,使得在第一和第二RZ信号之间存在对应于输入信号的一半周期的延迟时间; 偏置单元,向第一和第二RZ信号添加不同的DC(直流)偏置电压; 以及将两个电RZ信号转换为光CS-RZ信号的双电极光调制器。
    • 9. 发明授权
    • Camera rotation support apparatus for video presenter and video presenter having the same
    • 具有相同的视频演示者和视频演示者的相机旋转支持装置
    • US07545436B2
    • 2009-06-09
    • US11052433
    • 2005-02-07
    • Seung-yeob LeeHyun-woo Cho
    • Seung-yeob LeeHyun-woo Cho
    • H04N5/225
    • H04N5/2252H04N1/19594H04N2201/0436H04N2201/0446
    • Provided is a camera support structure for a video presenter which allows rotation of a camera connected to a base of the video presenter and supports the camera in an accurate location. The camera support structure of a video presenter includes a support arm, one end of which is joined with the base, an rotation guide member that includes an annular member having a ring shape in which a plurality of ball receiving holes are formed on one end part of the support arm, biasing elements that includes a plurality of rotation-fixing balls which are inserted into the ball receiving holes from an inner side of the annular member and a portion of the balls are elastically protruded to an outer side of the annular member, a annular plate element, the rotation of which can be prevented by fixing by the rotation-fixing balls and disposed to be able to be rotated on an outer side of the annular member of the rotation guide member, and a camera head that rotates with the annular plate element by coupling with the annular plate element and fixes a camera head having a camera.
    • 提供了一种用于视频呈现器的照相机支持结构,其允许连接到视频呈现器的基座的相机的旋转并且在准确的位置支持相机。 视频呈现器的摄像机支撑结构包括一个支撑臂,其一端与基座相连接,一个旋转引导构件,其包括环形构件,该环形构件具有多个球形容纳孔,环形构件在一个端部上形成 所述支撑臂的偏置元件包括从所述环形构件的内侧插入到所述球接收孔中的多个旋转固定球,并且所述球的一部分弹性地突出到所述环形构件的外侧, 环形板元件,其旋转可以通过旋转固定球的固定来防止,并且被设置成能够在旋转引导构件的环形构件的外侧上旋转;以及照相机头,其与 环形板元件通过与环形板元件联接并固定具有相机的相机头。
    • 10. 发明授权
    • Packet-optical integrated switch without optical transponder
    • 分组光集成开关,无光发送应答器
    • US08351784B2
    • 2013-01-08
    • US12628983
    • 2009-12-01
    • Hong Ju KimHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • Hong Ju KimHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • H04J14/00
    • H04Q11/0005H04J14/0212H04J14/0227H04J14/0256H04L49/352H04L49/357
    • A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively.
    • 一种没有光转发器的分组光集成交换机,包括:配置成将以太网分组信号输出到预设输出端口的分组线卡; 分组交换结构,被配置为将分组信号从分组线卡传送到预先设置在分组信号中包括的目的地地址中的输出端口; 配置为将分组交换结构的分组信号转换为具有预设波长的OTU2光信号的10吉比特以太网(10GbE)/光传输单元级2(OTU2)集成线路卡; 以及波长选择交换结构,被配置为通过预定波长将来自10GbE / OTU2集成线路卡的光信号分配给预定波分复用(WDM)端口,以通过波长将光信号交换到每个端口,其中 分组线卡,分组交换结构,10GbE / OTU2集成线路卡和波长选择交换机结构分别执行该过程的反向操作。