公开(公告)号：US08724943B2

公开(公告)日：2014-05-13

申请号：US13325029

申请日：2011-12-13

申请人： Jong-Hoon Lee ,  Seung-Hyun Cho ,  Jie-Hyun Lee ,  Sang-Soo Lee ,  Eun-Gu Lee ,  Han-Hyub Lee

发明人： Jong-Hoon Lee ,  Seung-Hyun Cho ,  Jie-Hyun Lee ,  Sang-Soo Lee ,  Eun-Gu Lee ,  Han-Hyub Lee

IPC分类号： G02B6/32

CPC分类号： G02B6/4207 ,  G02B6/421 ,  G02B6/4263 ,  G02B6/4292

摘要： An APC receptacle stub and an APC TOSA having the same are provided. The APC receptacle stub includes a first APC stub and a second APC stub. The first APC stub has an optical fiber inserted thereto and is provided with one end section polished in an APC shape. The second APC stub has an optical fiber inserted thereto and is provided with one end section polished in an APC shape and an opposite end section which is coupled to an opposite end section of the first APC stub through rotation adjustment in the same axial direction as an axial direction of the opposite end section of the first APC stub. The APC receptacle stub enables easy optical alignment and is applicable to a light source that is sensitive to reflection.

摘要翻译： 提供了APC插座和具有该插座的APC TOSA。 APC插座存根包括第一APC存根和第二APC存根。 第一APC短截线具有插入其中的光纤，并且设置有以APC形状抛光的一个端部。 第二APC短截线具有插入其中的光纤，并且设置有以APC形状抛光的一个端部部分和相对的端部部分，其通过在与第一APC短截线相同的轴向方向上的旋转调节而联接到第一APC插针的相对端部 第一APC支柱的相对端部的轴向方向。 APC插座支架可轻松进行光学对准，适用于对反射敏感的光源。

公开(公告)号：US08644711B2

公开(公告)日：2014-02-04

申请号：US12445935

申请日：2007-07-06

申请人： Byoung-Whi Kim ,  Manyong Park ,  Woo-Ram Lee ,  Bong-Tae Kim ,  Seung-Hyun Cho ,  Jie-Hyun Lee ,  Geon Jeong ,  Chulyoung Kim ,  Dae-Ung Kim ,  Byung-Yong Kang

发明人： Byoung-Whi Kim ,  Manyong Park ,  Woo-Ram Lee ,  Bong-Tae Kim ,  Seung-Hyun Cho ,  Jie-Hyun Lee ,  Geon Jeong ,  Chulyoung Kim ,  Dae-Ung Kim ,  Byung-Yong Kang

IPC分类号： H04J14/02 ,  H04B10/40

CPC分类号： H01S5/5018 ,  H01S5/0427 ,  H01S5/06253 ,  H01S5/06812 ,  H01S5/50 ,  H04J14/02 ,  H04J14/0227 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0282 ,  H04J2014/0253

摘要： In a Wavelength-Division-Multiplexed Passive Optical Network (WDM-PON) utilizing a conventional downstream optical signal reusing method, there is an inventory problem that different optical transmitter types need to be provided for the operation, management, replacement, etc. of a system. A WDM-PON system according to the present invention, includes: a seed light (SL) unit generating a seed light whose wavelength intervals and center wavelengths are adjusted using at least one seed light source; an optical line terminal (OLT) receiving the wavelength-multiplexed seed light from the seed light unit, transmitting a downstream optical signal to a subscriber of the WDM-PON, and receiving a upstream optical signal from the subscriber; and an optical network unit (ONU) receiving the downstream optical signal from the OLT, flattening and modulating the downstream optical signal with upstream data so that the downstream optical signal is reused for carrying upstream data. It is possible to improve the quality and reliability of downstream transmission by sufficiently increasing an extinction ratio, and improve the quality and reliability of upstream transmission by sufficiently flattening an input downstream optical signal in a semiconductor optical amplifier.

摘要翻译： 在利用传统的下行光信号重用方法的波分复用无源光网络（WDM-PON）中，存在一种库存问题，需要为不同的光发射机类型提供不同的光发射机类型的操作，管理，替换等 系统。 根据本发明的WDM-PON系统包括：种子光（SL）单元，其生成使用至少一个种子光源调整其波长间隔和中心波长的种子光; 接收来自种子光单元的波长复用种子光的光线路终端（OLT）向下行光信号发送WDM-PON的用户，并从用户接收上行光信号; 以及从OLT接收下行光信号的光网络单元（ONU），用下游数据对下行光信号进行平坦化和调制，使下游光信号重新用于承载上行数据。 通过充分提高消光比可以提高下游传输的质量和可靠性，通过在半导体光放大器中充分平坦化输入下行光信号，提高上行传输的质量和可靠性。

公开(公告)号：US20120148191A1

公开(公告)日：2012-06-14

申请号：US13325029

申请日：2011-12-13

申请人： Jong-Hoon Lee ,  Seung-Hyun Cho ,  Jie-Hyun Lee ,  Sang-Soo Lee ,  Eun-Gu Lee ,  Han-Hyub Lee

发明人： Jong-Hoon Lee ,  Seung-Hyun Cho ,  Jie-Hyun Lee ,  Sang-Soo Lee ,  Eun-Gu Lee ,  Han-Hyub Lee

IPC分类号： G02B6/32 ,  G02B6/36

CPC分类号： G02B6/4207 ,  G02B6/421 ,  G02B6/4263 ,  G02B6/4292

摘要： An APC receptacle stub and an APC TOSA having the same are provided. The APC receptacle stub includes a first APC stub and a second APC stub. The first APC stub has an optical fiber inserted thereto and is provided with one end section polished in an APC shape. The second APC stub has an optical fiber inserted thereto and is provided with one end section polished in an APC shape and an opposite end section which is coupled to an opposite end section of the first APC stub through rotation adjustment in the same axial direction as an axial direction of the opposite end section of the first APC stub. The APC receptacle stub enables easy optical alignment and is applicable to a light source that is sensitive to reflection.

摘要翻译： 提供了APC插座和具有该插座的APC TOSA。 APC插座存根包括第一APC存根和第二APC存根。 第一APC短截线具有插入其中的光纤，并且设置有以APC形状抛光的一个端部。 第二APC短截线具有插入其中的光纤，并且设置有以APC形状抛光的一个端部部分和相对的端部部分，其通过在与第一APC短截线相同的轴向方向上的旋转调节而联接到第一APC插针的相对端部 第一APC支柱的相对端部的轴向方向。 APC插座支架可轻松进行光学对准，适用于对反射敏感的光源。

公开(公告)号：US08086102B2

公开(公告)日：2011-12-27

申请号：US12226699

申请日：2007-05-08

申请人： Byoung-Whi Kim ,  Mahn-Yong Park ,  Seung-Hyun Cho ,  Woo-Ram Lee

发明人： Byoung-Whi Kim ,  Mahn-Yong Park ,  Seung-Hyun Cho ,  Woo-Ram Lee

IPC分类号： H04B10/20

CPC分类号： H04B10/272 ,  H04B10/2587 ,  H04J14/02 ,  H04J14/0282 ,  H04Q11/0067 ,  H04Q2011/0064

摘要： Provided is a passive optical network (PON) based on a reflective semiconductor optical amplifier (RSOA). In the PON, seed-light-injection RSOAs are used in an optical line terminal (OLT) to achieve the color-less management of the wavelengths of OLT optic sources, and wavelength reuse RSOAs are used to achieve the color-less management of the wavelengths of ONTs. Therefore, problems related to ONT wavelength management can be eliminated by the wavelength reuse RSOAs, and problems related to OLT wavelength management can be eliminated by the seed-light-injection RSOAs.

摘要翻译： 提供了一种基于反射半导体光放大器（RSOA）的无源光网络（PON）。 在PON中，在光线路终端（OLT）中使用种子光注入RSOAs来实现OLT光源的波长的无色管理，并且使用波长重用RSOAs来实现对于 ONT的波长。 因此，可以通过波长复用RSOAs来消除与ONT波长管理相关的问题，并且可以通过种子光注入RSOAs消除与OLT波长管理相关的问题。

公开(公告)号：US20110135309A1

公开(公告)日：2011-06-09

申请号：US12882307

申请日：2010-09-15

申请人： Han-Hyub LEE ,  Seung-Hyun Cho ,  Jie Hyun Lee ,  Manyong Park ,  Byoung Whi Kim ,  Sang Soo Lee

发明人： Han-Hyub LEE ,  Seung-Hyun Cho ,  Jie Hyun Lee ,  Manyong Park ,  Byoung Whi Kim ,  Sang Soo Lee

IPC分类号： H04J14/02

CPC分类号： H04J14/0282 ,  H04B10/2587 ,  H04B10/506

摘要： Provided is an Optical Line Terminal (OLT). The OLT may include a first Wavelength division multiplexer/demultiplexer (WDM MUX/DeMUX) to perform a wavelength demultiplexing on seed light received from a seed light source, and a second Wavelength division demultiplexer (WDM DeMUX) to receive, from at least one ONU/ONT, an upstream optical signal generated using the seed light having the wavelength demultiplexing performed, and to perform a wavelength multiplexing on the received upstream optical signal.

摘要翻译： 提供了一种光线路终端（OLT）。 OLT可以包括用于对从种子光源接收的种子光执行波长解复用的第一波分复用器/解复用器（WDM MUX / DeMUX）和从第一波分多路复用器/解复用器（WDM MUX / DeMUX）接收的至少一个ONU / ONT，使用具有进行了波长解复用的种子光产生的上行光信号，并对所接收的上行光信号执行波长多路复用。

公开(公告)号：US20070090904A1

公开(公告)日：2007-04-26

申请号：US11524326

申请日：2006-09-21

申请人： Yoon-Young Kim ,  Seung-Hyun Cho ,  Ik-Kyu Kim ,  Chan-Il Park

发明人： Yoon-Young Kim ,  Seung-Hyun Cho ,  Ik-Kyu Kim ,  Chan-Il Park

IPC分类号： H01H9/00

CPC分类号： B06B1/08 ,  G01D5/485 ,  G01H1/10 ,  G01L3/102 ,  G01L3/104 ,  G01N29/2412 ,  G01N2203/0021 ,  G01N2203/0055

摘要： A method and apparatus for generating and measuring a torsional wave in a rod, shaft or pipe using magnetostriction are provided. The magnetostrictive transducer includes at least one strip attached to a predetermined position of a rod member, an insulator disposed around the strip, a coil wound around the insulator, and magnets providing a bias magnetic field to the strip, wherein a plurality of strips are attached to the rod member at predetermined intervals in a circumferential direction, and one pole of the magnet is close to an end of a first strip among the plurality of strips, and another pole of the magnet is close to an end of a second strip among the plurality of strips.

摘要翻译： 提供了一种使用磁致伸缩来产生和测量杆，轴或管道中的扭转波的方法和装置。 所述磁致伸缩换能器包括至少一个连接到杆构件的预定位置的条，设置在所述条周围的绝缘体，围绕所述绝缘体缠绕的线圈以及向所述带提供偏置磁场的磁体，其中附接有多个条带 在圆周方向上以预定间隔延伸到杆构件，并且磁体的一个极接近多个条带中的第一条带的端部，并且磁体的另一个极靠近第二条带的端部 多个条。

公开(公告)号：US06934565B2

公开(公告)日：2005-08-23

申请号：US10104620

申请日：2002-03-22

申请人： Seung-Hyun Cho

发明人： Seung-Hyun Cho

IPC分类号： H03G5/16 ,  H04B1/40 ,  H04M1/00 ,  H04M1/02 ,  H04M1/60 ,  H04Q7/38

CPC分类号： H04M1/6016

摘要： An apparatus and method for controlling a Multi-Function Device (MFD) of a mobile terminal has a filter circuit converted according to operation modes of the MFD and the apparatus includes a differential amplifier for amplifying an audio signal, an audio filter comprising first and second audio filters connected to the differential amplifier, for varying frequency of the audio signal according to a control signal of the operation modes of the mobile terminal and a switching unit for switching the audio signal with one of the plurality of filters according to the control signal of operation modes. Also, there is an advantage that the apparatus in accordance with the present invention can prevent erroneous performance of the MFD and achieve efficient performance by generating an audio signal classifying frequency characteristic and amplifying gain of the audio filter according to the modes of vibration output, melody output and speech output.

摘要翻译： 用于控制移动终端的多功能设备（MFD）的装置和方法具有根据MFD的操作模式转换的滤波器电路，并且该装置包括用于放大音频信号的差分放大器，包括第一和第二 连接到差分放大器的音频滤波器，用于根据移动终端的操作模式的控制信号改变音频信号的频率;以及切换单元，用于根据多个滤波器的控制信号切换音频信号 操作模式。 此外，根据本发明的装置还具有能够防止MFD的错误性能并且通过根据振动输出，旋律的模式生成音频信号分类频率特性和放大音频滤波器的增益来实现有效性能的优点 输出和语音输出。