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51. 发明申请

US20050078965A1 RZ-AMI optical transmitter module 审中-公开
标题翻译： RZ-AMI光发射模块
公开(公告)号：US20050078965A1
公开(公告)日：2005-04-14
申请号：US10843232
申请日：2004-05-10
申请人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： G02F1/035 , H04B10/516 , H04B10/524 , H04B10/54 , H04B10/61 , H04B10/04
CPC分类号： H04B10/505 , H04B10/5055
摘要： Disclosed is an optical transmitter module comprising: a precoder to generate an encoded binary signal from an electric signal; an amplifier to amplify the binary signal; a converter to convert the amplified encoded binary signal into a limited ternary signal; a frequency generator to generate a sine wave having a predetermined frequency; a multiplier to multiply the ternary signal using the sine wave; a light source to generate a coherent CW light having a constant intensity; and a Mach-Zehnder modulator to modulate the CW light according to the ternary signal from the multiplier.
摘要翻译：公开了一种光发射机模块，包括：预编码器，用于从电信号产生编码的二进制信号; 用于放大二进制信号的放大器; 转换器，用于将放大的经编码的二进制信号转换成有限的三元信号; 频率发生器，用于产生具有预定频率的正弦波; 使用正弦波乘以三进制信号的乘数; 用于产生具有恒定强度的相干CW光的光源; 和马赫 - 策德尔（Mach-Zehnder）调制器，根据来自乘法器的三进制信号来调制CW光。

52. 发明申请

US20050058461A1 Optical transmission device 审中-公开
标题翻译：光传输装置
公开(公告)号：US20050058461A1
公开(公告)日：2005-03-17
申请号：US10843233
申请日：2004-05-10
申请人： Han-Lim Lee , Hoon Kim , Yun-Je Oh , Seong-Taek Hwang , Sung-Kee Kim , Gyu-Woong Lee
发明人： Han-Lim Lee , Hoon Kim , Yun-Je Oh , Seong-Taek Hwang , Sung-Kee Kim , Gyu-Woong Lee
IPC分类号： G02F1/035 , H04B10/2507 , H04B10/2513 , H04B10/2537 , H04B10/516 , H04B10/61 , H04B10/04
CPC分类号： H04B10/505 , H04B10/5055 , H04B10/5167
摘要： A duobinary optical transmission device that uses a duobinary optical transmission technique is disclosed. The duobinary optical transmission device may use an X-cut Mach-Zehnder interferometer type modulator. The duobinary optical transmission device includes a light source that outputs a carrier wave. A duobinary encoder encodes an input non-return-to-zero (NRZ) electrical signal. A low pass filter (LPF) converts the encoded signal into a 3-level electrical signal. An optical intensity modulator modulates the phase and light intensity of the carrier wave according to the 3-level electrical signal and outputs a 2-level optical duobinary signal. The optical intensity modulator may be an X-cut optical intensity modulator including a substrate; an optical waveguide formed on the substrate, and an electrode for applying an electric field.
摘要翻译：公开了一种使用双二进制光传输技术的双向光传输装置。双向光传输装置可以使用X切割马赫 - 曾德干涉仪型调制器。二元光传输装置包括输出载波的光源。二进制编码器对输入的不归零（NRZ）电信号进行编码。低通滤波器（LPF）将编码信号转换为3级电信号。光强调制器根据3电平电信号调制载波的相位和光强，并输出2电平的光双二进制信号。光强度调制器可以是包括衬底的X切割光强度调制器; 形成在基板上的光波导和用于施加电场的电极。

53. 发明授权

US08625899B2 Method for recognizing and translating characters in camera-based image 有权
标题翻译：识别和翻译基于相机的图像中的人物的方法
公开(公告)号：US08625899B2
公开(公告)日：2014-01-07
申请号：US12500094
申请日：2009-07-09
申请人： Sang-Ho Kim , Seong-Taek Hwang , Sang-Wook Oh , Hyun-Soo Kim , Jung-Rim Kim , Ji-Hoon Kim , Dong-Chang Lee , Yun-Je Oh , Hee-Won Jung
发明人： Sang-Ho Kim , Seong-Taek Hwang , Sang-Wook Oh , Hyun-Soo Kim , Jung-Rim Kim , Ji-Hoon Kim , Dong-Chang Lee , Yun-Je Oh , Hee-Won Jung
IPC分类号： G06K9/18
CPC分类号： G06K9/228 , G06F17/2863 , G06K9/22
摘要： A method for recognizing an image photographed by a camera and translating characters in connection with an electronic dictionary is provided. The method includes directly selecting an area to be recognized from the photographed character image and performing character recognition, translating and recognizing characters of a user's selected word in connection with dictionary data, and displaying translation result information of user's selected character or word in connection with dictionary data on a screen device. The recognition includes providing information on location of the selected character image area and location of the recognized character string words to the user, and then translating a character string or word in a location area selected by the user. The electronic dictionary-connected search and translation is for searching the character or word selected in connection with the electronic dictionary database, and providing translation result to the user.
摘要翻译：提供一种用于识别由相机拍摄的图像并且与电子词典相关联地翻译字符的方法。该方法包括从拍摄的字符图像直接选择要识别的区域，并且与字典数据相关地执行字符识别，翻译和识别用户选择的字的字符，以及显示与字典有关的用户选择的字符或单词的翻译结果信息屏幕设备上的数据。识别包括将所选择的字符图像区域的位置和所识别的字符串字的位置的信息提供给用户，然后翻译由用户选择的位置区域中的字符串或字。电子词典连接的搜索和翻译用于搜索与电子词典数据库相关选择的字符或词，并向用户提供翻译结果。

54. 发明授权

US07660531B2 Remote access unit and radio-over-fiber network using same 失效
标题翻译：远程访问单元和使用相同的光纤网络
公开(公告)号：US07660531B2
公开(公告)日：2010-02-09
申请号：US11607700
申请日：2006-12-01
申请人： Jae-Hoon Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Yong-Gyoo Kim , Sung-Kee Kim , Han-Lim Lee
发明人： Jae-Hoon Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Yong-Gyoo Kim , Sung-Kee Kim , Han-Lim Lee
IPC分类号： H04B10/24 , H04J4/00 , H04M1/00
CPC分类号： H04B10/25758
摘要： A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.
摘要翻译：一种远程接入单元（RAU）装置，其通过至少一个光纤耦合到RoF网络的中心站（CS），并且所述RAU设备包括至少一个天线，包括：耦合到所述至少一个天线的第一和第二天线端口一个天线耦合到所述至少一个光纤的第一和第二光纤端口; 用于去耦第一双工方法的第一下行信号和通过第一光纤端口输入的第二双工方法的第二下行信号的第一耦合器; 输出从第一耦合器输入的第一下行信号到第一天线端口的循环器，并输出从第一天线端口输入到第二光纤端口的第一双工方式的第一上行信号; 以及第二耦合器，用于将从第一耦合器输入的第二下行信号输出到第二天线端口，并输出从第二天线端口输入到第二光纤端口的第二双工方法的第二上行信号。

55. 发明授权

US07486897B2 Polarization duobinary optical transmitter 失效
标题翻译：偏光二极管光发射机
公开(公告)号：US07486897B2
公开(公告)日：2009-02-03
申请号：US11371737
申请日：2006-03-09
申请人： Hoon Kim , Seong-Taek Hwang
发明人： Hoon Kim , Seong-Taek Hwang
IPC分类号： H04B10/04
CPC分类号： H04B10/5167 , H04B10/505 , H04B10/5053 , H04B10/5055 , H04B10/532
摘要： A polarization duobinary optical transmitter is disclosed. The transmitter includes a precoder for coding an electric signal and a light source for generating continuous light. The transmitter also includes a chirped-free modulator for generating an NRZ signal including first and second polarization light beams orthogonal to each other by modulating the light with the electric signal and a band-pass filter for limiting neighbor frequency bands between the first and second polarization light beams.
摘要翻译：公开了一种偏振二进制光发射机。发射机包括用于编码电信号的预编码器和用于产生连续光的光源。发射机还包括无啁啾调制器，用于通过用电信号调制光而产生包括彼此正交的第一和第二偏振光束的NRZ信号，以及用于限制第一和第二极化之间的相邻频带的带通滤波器光束。

56. 发明授权

US07386239B2 Chirped RZ-AMI optical transmitter 有权
标题翻译：啁啾RZ-AMI光发射机
公开(公告)号：US07386239B2
公开(公告)日：2008-06-10
申请号：US11240072
申请日：2005-09-30
申请人： Han-Lim Lee , Hoon Kim , Seong-Taek Hwang
发明人： Han-Lim Lee , Hoon Kim , Seong-Taek Hwang
IPC分类号： H04B10/04
CPC分类号： H04B10/5167 , H04B10/505 , H04B10/5055 , H04B10/5162 , H04B2210/254
摘要： A chirped RZ-AMI optical transmitter includes a first logic gate for receiving a first signal obtained by pre-coding binary data and a second signal having a waveform obtained by inverting and delaying the first signal, and outputting a third signal obtained by logically operating on the first and second signals. A second logic gate receives a fourth signal having a waveform obtained by inverting the first signal, and a fifth signal having a waveform obtained by delaying the first signal. The second logic gate outputs a sixth signal obtained by logically operating on the fourth and fifth signals. A Mach-Zehnder Modulator (MZM) modulates an input light according to the third and sixth signals and outputs an RZ-AMI optical signal.
摘要翻译：啁啾RZ-AMI光发射机包括：第一逻辑门，用于接收通过预编码二进制数据获得的第一信号;以及第二信号，具有通过反相和延迟第一信号获得的波形，并输出通过逻辑运算获得的第三信号第一和第二信号。第二逻辑门接收具有通过反转第一信号而获得的波形的第四信号，以及具有通过延迟第一信号而获得的波形的第五信号。第二逻辑门输出通过对第四和第五信号进行逻辑运算获得的第六信号。马赫曾德调制器（MZM）根据第三和第六信号调制输入光，并输出RZ-AMI光信号。

57. 发明申请

US20080112706A1 Optical receiving apparatus and optical communication system using same 审中-公开
标题翻译：光接收装置及其使用的光通信系统
公开(公告)号：US20080112706A1
公开(公告)日：2008-05-15
申请号：US11906930
申请日：2007-10-04
申请人： Hoon Kim , Seong-Taek Hwang
发明人： Hoon Kim , Seong-Taek Hwang
IPC分类号： H04J14/02
CPC分类号： H04J14/0221 , H04B10/67 , H04J14/0279
摘要： An optical receiving apparatus for reducing crosstalk in a WDM communication system is disclosed. The receiving device includes a wavelength division de-multiplexer for receiving and de-multiplexing a first multiplexed optical signal and a second multiplexed optical signal, a first receiver for photo-electrically converting the first optical signal input from the wavelength division de-multiplexer into a first data signal, a second receiver for photo-electrically converting the second optical signal input from the wavelength division de-multiplexer and dividing the photo-electrically converted signal into a first division signal and a second division signal according to power and a compensator for inversing the second division signal and combining the inversed signal with the first data signal, thereby generating a signal compensating for crosstalk.
摘要翻译：公开了一种用于减少WDM通信系统中的串扰的光接收装置。接收装置包括用于接收和解复用第一复用光信号和第二复用光信号的波分解除多路复用器，第一接收机，用于将从波分解解复用器输入的第一光信号光电转换为第一数据信号，用于光电转换从波分解多路复用器输入的第二光信号并将光电转换信号划分为第一除法信号的第二接收器和根据功率的第二除法信号和用于反转的补偿器第二分频信号并将反相信号与第一数据信号组合，从而产生补偿串扰的信号。

58. 发明申请

US20070022460A1 Remote access unit and optical network for bidirectional wireless communication using the same 失效
标题翻译：远程访问单元和光网络，用于双向无线通信
公开(公告)号：US20070022460A1
公开(公告)日：2007-01-25
申请号：US11395806
申请日：2006-03-31
申请人： Yong-Gyoo Kim , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee
发明人： Yong-Gyoo Kim , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee
IPC分类号： H04N7/173
CPC分类号： H04L5/26 , H04B10/25758 , H04W16/26
摘要： Disclosed is a remote access unit for transmitting and receiving upstream and downstream data in which channels having different transmission scheme are multiplexed, and an optical network for bi-directional wireless communication using same. The remote access unit includes an antenna for receiving the downstream data and wirelessly transmitting same and for receiving the upstream data and providing same to the remote access unit, a switch for outputting downstream time division channels of the downstream data to the antenna and for receiving upstream time division channels of the upstream data from the antenna, and a controller for controlling the switch in order to prevent the upstream and downstream time division channels from overlapping.
摘要翻译：公开了一种用于发送和接收上行和下行数据的远程访问单元，其中具有不同传输方案的信道被复用，以及用于使用其的双向无线通信的光网络。远程接入单元包括：天线，用于接收下行数据并进行无线发送，并用于接收上行数据并将其提供给远程接入单元;开关，用于向下游天线输出下游数据的下行时分信道，并用于接收上游来自天线的上行数据的时分信道，以及用于控制交换机的控制器，以防止上游和下游时分信道重叠。

59. 发明申请

US20050207759A1 Optical duo-binary transmission apparatus using polarization modulator 审中-公开
标题翻译：使用偏振调制器的光二元传输装置
公开(公告)号：US20050207759A1
公开(公告)日：2005-09-22
申请号：US10988766
申请日：2004-11-15
申请人： Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Seong-Taek Hwang
发明人： Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Seong-Taek Hwang
IPC分类号： G02F1/01 , H04B10/516 , H04B10/524 , H04B10/532 , H04B10/556 , H04B10/61 , H04B10/04
CPC分类号： H04B10/5161 , H04B10/25137 , H04B10/505 , H04B10/5055 , H04B10/5167 , H04B10/532
摘要： An optical duo-binary transmission apparatus using a duo-binary modulation method is disclosed. The optical duo-binary transmission apparatus using a polarization modulator includes a precoder for coding an inputted binary data signal; a low-pass filter for converting the coded binary data signal into a three-level signal by restricting a bandwidth of the coded binary data signal; a light source for generating light; a polarization modulator for modulating a polarization of the light outputted from the light source according to the three-level signal; and a polarizer for transmitting only an optical signal having a predetermined directionality from among polarization-modulated optical signals.
摘要翻译：公开了一种使用二进制二进制调制方法的光二元传输装置。使用偏振调制器的光二元传输装置包括用于对输入的二进制数据信号进行编码的预编码器; 低通滤波器，用于通过限制编码的二进制数据信号的带宽将编码的二进制数据信号转换成三电平信号; 用于产生光的光源; 偏振调制器，用于根据三电平信号调制从光源输出的光的偏振; 以及偏振器，用于从偏振调制光信号中仅发送具有预定方向性的光信号。

60. 发明申请

US20050111851A1 Differential polarization shift-keying optical transmission system 审中-公开
标题翻译：差分偏振键控光传输系统
公开(公告)号：US20050111851A1
公开(公告)日：2005-05-26
申请号：US10901277
申请日：2004-07-28
申请人： Hoon Kim , Seong-Taek Hwang
发明人： Hoon Kim , Seong-Taek Hwang
IPC分类号： H04B10/516 , G02B27/28 , H04B10/524 , H04B10/532 , H04B10/556 , H04B10/588 , H04B10/61 , H04B10/00
CPC分类号： H04B10/532
摘要： A differential polarization shift-keying optical transmission system includes a transmitter unit for precoding inputted data to form a precoded signal and generate a polarization-modulated optical signal using the precoded signal. The system further includes a receiver unit connected with the transmitter unit via an optical fiber for optical transmission. The receiver unit includes a delay interferometer for splitting the optical signal into first and second split optical signals, generating a delayed optical signal by causing the second split signal to be delayed 1 bit, generating a phase-inverted optical signal by inverting the phase of a part of the first split signal, and generating generate constructive-interferential and destructive-interferential optical signals by causing respective parts of the delayed signal to interfere with another part of the first split signal and with the phase-inverted signal. A balanced receiver in the receiver unit outputs a differential signal corresponding to a difference between the constructive-interferential and destructive-interferential optical signals.
摘要翻译：差分偏振偏移键控光传输系统包括用于对输入数据进行预编码以形成预编码信号的发射机单元，并使用预编码信号产生偏振调制光信号。该系统还包括经由用于光传输的光纤与发射机单元连接的接收机单元。接收机单元包括延迟干涉仪，用于将光信号分离成第一和第二分离光信号，通过使第二分离信号延迟1比特来产生延迟的光信号，通过反相的相位产生相位反转的光信号并且通过使延迟的信号的各个部分与第一分离信号的另一部分和相位反相的信号相互干扰，产生产生建设性的干涉和相消干涉的光信号。接收器单元中的平衡接收器输出对应于构造 - 干涉和相消干涉光信号之间的差的差分信号。

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