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    • 1. 发明公开
    • 폐루프 광변조 진폭 제어
    • 闭环光学调制振幅控制
    • KR1020150024799A
    • 2015-03-09
    • KR1020140111718
    • 2014-08-26
    • 셈테크 코포레이션
    • 너트건스요나
    • H04B10/556H04B10/077
    • H04B10/504H04B10/564
    • 저주파수 AC 비교 회로에 대한 시스템 및 방법이 제공된다. 저주파수 AC 비교 회로는 광 검출기에 의해 생성된 모니터링 신호를 수신하도록 구성된 회로를 포함하고, 상기 모니터링 신호는 광 구동기에 의해 수신된 데이터 신호에 기초하여 송신하는 광 송신 장치에 의해 생성된 광의 양에 비례한다. 상기 비교 회로는 또한 상기 모니터링 신호의 저주파수 AC 성분과 상기 데이터 신호의 상관된 저주파수 AC 성분의 비교에 기초하여 상기 광 구동기에 송신되는 변조 전류 제어 신호를 생성하도록 구성된다.
    • 为低频AC比较电路提供系统和方法。 所述低频AC比较电路包括被配置为接收由光学检测器产生的监视信号的电路,所述监视信号与由基于由光学驱动器接收的数据信号发送的光传输设备产生的光量成比例 。 比较电路还被配置为基于监视信号的低频AC分量与数据信号的相关的低频AC分量的比较,生成被发送到光驱动器的调制电流控制信号。
    • 4. 发明公开
    • WDM-PON 시스템에서 파워 균등화 장치
    • WDM-PON系统中均衡功率的设备
    • KR1020130093823A
    • 2013-08-23
    • KR1020120005941
    • 2012-01-18
    • 주식회사 에치에프알
    • 이창희김준영문상록유상화계명균서병일
    • H04B10/2507H04J14/02H04B10/07
    • H04B10/564H04B10/07955H04B10/0799H04J14/02
    • PURPOSE: A power equalizing apparatus in a wavelength division multiplexed-passive optical network (WDM-PON) system is provided to minimize an effect of a cross-talk at a reception end by equalizing the power of optical signals which are transmitted from the optical reception units of all the channels. CONSTITUTION: A second wavelength division demultiplexer (14) receives a determined ratio of a received optical signal. The second wavelength division demultiplexer demultiplexes the received signal into multiple channels. Each of the multiple optical detecting units (15) converts the demultiplexed optical signal into an electronic signal with the multiple channels. A first control unit (16) includes information which is related to the power of each channel which is included in the optical signal which is demultiplexed with the multiple channels in a downstream signal. The first control unit includes the information which is related to the power in the overhead of the data sequence of the downstream signal. [Reference numerals] (16) Control unit 1
    • 目的:提供一种波分复用无源光网络(WDM-PON)系统中的功率均衡装置,用于通过均衡从光接收发送的光信号的功率来最小化接收端串扰的影响 所有渠道的单位。 构成:第二波分解复用器(14)接收确定的接收光信号的比率。 第二波分解复用器将接收的信号解复用为多个信道。 多个光学检测单元(15)中的每一个将多路分解的光信号转换成具有多个通道的电子信号。 第一控制单元(16)包括与下行信号中的多个信道解复用的光信号中包括的每个信道的功率有关的信息。 第一控制单元包括与下行信号的数据序列的开销中的功率有关的信息。 (附图标记)(16)控制单元1
    • 5. 发明公开
    • 광 채널 감응형 광대역 주입 광원장치 및 그를 위한 광네트워크 시스템
    • 用于敏感光通道和光网络系统的宽带光源设备
    • KR1020130085569A
    • 2013-07-30
    • KR1020110140237
    • 2011-12-22
    • 에릭슨 엘지 주식회사
    • 남윤호배준기정규현
    • H04B10/25H04J14/02
    • H04B10/564H04B10/27H04J14/02
    • PURPOSE: An optical channel sensitive broadband injection light source and an optical network system for the same are provided to check the connection status of optical channels and offer a large-intensity injection light source only for optical channels for which the optical connection is secured. CONSTITUTION: An optical line terminal includes a broadband light source (BLS) (20) and an optical splitter (30). The BLS provides an injection light source for the transmission of optical signals to an optical transmitter. The optical splitter re-injects the optical signals, which are wavelength-locked and sent by the optical transmitter, to the BLS. A broadband light source checks the channel connection status of the re-injected optical signals by the optical splitter. The broadband light source adjusts the signal strength of the optical signals. The broadband light source outputs the adjusted optical signals to the injection light source for the connected channels. [Reference numerals] (20) Broadband light source (BLS); (30) Optical splitter; (40) Broadband 1XN wavelength router
    • 目的:提供一种光通道敏感宽带注入光源及其光网络系统,用于检查光通道的连接状态,并为光纤连接所固定的光通道提供大强度的注入光源。 构成:光线路终端包括宽带光源(BLS)(20)和光分路器(30)。 BLS提供用于将光信号传输到光发射机的注入光源。 光分路器将由光发射机波长锁定并发送的光信号重新注入到BLS。 宽带光源通过光分路器检查重新注入的光信号的通道连接状态。 宽带光源调整光信号的信号强度。 宽带光源将经调整的光信号输出到连接通道的注入光源。 (附图标记)(20)宽带光源(BLS); (30)光分路器; (40)宽带1XN波长路由器
    • 6. 发明授权
    • 주입잠금된 광원의 잡음억제장치 및 이를 구비한 WDM-PON 시스템
    • 用于注射种子光源和波长段的噪声抑制装置具有相同的多路复用被动光网络系统
    • KR101273281B1
    • 2013-07-30
    • KR1020120005880
    • 2012-01-18
    • 한국과학기술원
    • 이창희문상록유상화김준영계명균서병일
    • H04B10/2507H04J14/02
    • H04B10/564H04J14/0227
    • PURPOSE: A noise suppressing apparatus and a wavelength division multiplexed-passive optical network (WDM-PON) system including the same are provided to amplify the high frequency band of a light source and to prevent the noise of a seed light generated from the light source. CONSTITUTION: An inverter unit (15) reverses the phase of an electric signal transformed from a transforming unit. A bandwidth compensating unit (17) amplifies a high frequency band of an electric signal generating a driving current which drives a light source. A light source driving unit (18) receives the electric signal of which the phase is reversed from the inverter unit. The light source driving unit generates a driving current which a light source drives through a signal of which a high frequency band is amplified by the bandwidth compensating unit. The light source driving unit supplies the generated driving current to the light source. [Reference numerals] (11) Optical coupler; (12) Optical delay unit; (13) Light source; (14) Conversion unit; (15) Inverter unit; (16) Amplification unit; (17) Bandwidth compensating unit; (18) Light source driving unit; (2) Injection light source
    • 目的:提供一种噪声抑制装置和包括该噪声抑制装置的波分复用无源光网络(WDM-PON)系统以放大光源的高频带并防止从光源产生的种子光的噪声 。 构成:逆变器单元(15)反转从变换单元变换的电信号的相位。 带宽补偿单元(17)放大产生驱动光源的驱动电流的电信号的高频带。 光源驱动单元(18)从逆变器单元接收相位相反的电信号。 光源驱动单元产生光源通过带宽补偿单元放大高频带的信号驱动的驱动电流。 光源驱动单元将产生的驱动电流提供给光源。 (附图标记)(11)光耦合器; (12)光延迟单元; (13)光源; (14)转换单位; (15)变频器单元; (16)放大单元; (17)带宽补偿单元; (18)光源驱动单元; (2)注射光源
    • 8. 发明公开
    • 포토커플러를 이용한 송수신 장치
    • 通过使用光电子发送/接收装置
    • KR1020110030805A
    • 2011-03-24
    • KR1020090088410
    • 2009-09-18
    • 심동빈
    • 심동빈
    • H04B10/40H04B10/11
    • H04B10/502H04B10/114H04B10/564H04B10/60
    • PURPOSE: A transceiving device using a photo controller is provided to enable a light receiving transistor to increase an output of an LED if the light is lightly received. CONSTITUTION: A reference level generating unit(402) generates a reference level. A comparing unit(404) compares an output level of a receiving unit(400) and a reference level of a reference level generating unit. If the output level of the receiving unit is lower than the reference level, the comparing unit provides a specific signal to a transmitting unit to enable a transmission unit(300) to increase a level of a signal for driving an LED(LED1). The reference level generating unit can control the reference level.
    • 目的:提供一种使用光电控制器的收发装置,以使光接收晶体管能够增加LED的输出,如果轻轻地接收到光。 构成:参考电平生成单元(402)生成参考电平。 比较单元(404)比较接收单元(400)的输出电平和参考电平产生单元的参考电平。 如果接收单元的输出电平低于参考电平,则比较单元向发送单元提供特定信号,以使发送单元(300)增加用于驱动LED(LED1)的信号的电平。 参考电平生成单元可以控制参考电平。
    • 10. 发明公开
    • 광 송신기 회로
    • 光发射机电路
    • KR1020080114713A
    • 2008-12-31
    • KR1020087021574
    • 2007-02-20
    • 파나소닉 주식회사
    • 하세가즈토시사사이히로유키이에다토모아키
    • H04B10/50H04B10/00
    • H04B10/502H04B10/564
    • A peaking current generating section (2) generates a spire-shaped peaking current that is in synchronism with the transitions of the digital signal (S), at the rising edge and the falling edge. A light emitting element driving section (5) produces a driving current obtained by combining together a signal amplitude current according to the amplitude of the digital signal (S) and the peaking current. Then, the light emitting element driving section (5) drives a light emitting element (1) by using the driving current. A signal analysis section (9) analyzes the digital signal (S) so as to set a control signal based on the pulse width of the digital signal (S). A clipping section (8) clips the peaking current of the driving current according to the control signal set by the signal analysis section (9). ® KIPO & WIPO 2009
    • 峰值电流产生部分(2)在上升沿和下降沿产生与数字信号(S)的转变同步的尖峰形峰值电流。 发光元件驱动部(5)产生通过根据数字信号(S)的振幅和峰化电流组合信号振幅电流而获得的驱动电流。 然后,发光元件驱动部(5)通过使用驱动电流来驱动发光元件(1)。 信号分析部(9)分析数字信号(S),以便根据数字信号(S)的脉冲宽度设定控制信号。 剪辑部分(8)根据由信号分析部分(9)设置的控制信号剪切驱动电流的峰值电流。 ®KIPO&WIPO 2009