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    • 7. 发明授权
    • Apparatus and method for processing analog signals and outputting digitally converted analog signals using serial bus
    • 用于处理模拟信号并使用串行总线输出数字转换的模拟信号的装置和方法
    • US07453380B2
    • 2008-11-18
    • US11588139
    • 2006-10-26
    • Eui Suk JungChul Soo LeeSeung Hyun JangByoung Whi Kim
    • Eui Suk JungChul Soo LeeSeung Hyun JangByoung Whi Kim
    • H03M1/00
    • G06F3/05G06F13/385G06F13/4291
    • Provided are an apparatus and method for processing analog monitoring signals by using a serial bus. The apparatus includes a multiplexer receiving at least one analog signal and outputting only one of the at least one analog signal in response to a predetermined control signal; an analog-to-digital converter converting the output analog signal into a digital signal; a first controller generating the control signal, outputting the control signal to the multiplexer, and controlling the operation of the analog-to-digital converter; and a bus controller outputting the digital signal via an external serial bus. Accordingly, analog monitoring signals are received, converted into digital data, and output via serial bus even when a large number of analog monitoring signals are present, only if the address input to the apparatus is identical to unique address of the apparatus.
    • 提供了一种通过使用串行总线来处理模拟监视信号的装置和方法。 该装置包括多路复用器,其接收至少一个模拟信号,并且响应于预定的控制信号仅输出至少一个模拟信号中的一个; 将所述输出模拟信号转换成数字信号的模数转换器; 产生控制信号的第一控制器,将控制信号输出到多路复用器,并控制模数转换器的操作; 以及总线控制器,经由外部串行总线输出数字信号。 因此,只有当输入到设备的地址与设备的唯一地址相同时,即使当存在大量模拟监视信号时,模拟监视信号也被接收,转换成数字数据,并通过串行总线输出。
    • 8. 发明授权
    • Optical transceiver for transmitting light source control information and optical network using the same
    • 用于传输光源控制信息和光网络的光收发器
    • US07421206B2
    • 2008-09-02
    • US11126591
    • 2005-05-10
    • Chul Soo LeeByoung Whi KimEui Suk JungSeung Hyun Jang
    • Chul Soo LeeByoung Whi KimEui Suk JungSeung Hyun Jang
    • H04J14/02H04B10/24
    • H04J14/0298H04B10/40H04J14/0226H04J14/0247H04J14/0252H04J14/0282
    • An optical transceiver for transmitting light source control information, which is applied to a Subcarrier Multiplexing optical network, is disclosed. The optical transceiver includes a controller, an SCM frame generation/restoring unit, a modulator/demodulator, and an EO/OE converter. The controller controls transmission of light source control information or collects received light source control information. The SCM frame generation/restoring unit generates an SCM frame containing light source control information received from the controller. The modulator/demodulator modulates an SCM frame generated by the SCM frame generation/restoring unit into a signal suitable for transmission. The EO/OE converter converts a transmission signal modulated by the modulator/demodulator into an optical signal and transmits the optical signal through an optical fiber. An optical network having a telephone office OLT and subscriber ONTs, each having the optical transceiver, is also disclosed.
    • 公开了一种用于发送应用于子载波复用光网络的光源控制信息的光收发器。 光收发器包括控制器,SCM帧生成/恢复单元,调制器/解调器和EO / OE转换器。 控制器控制光源控制信息的传输或收集所接收的光源控制信息。 SCM帧生成/恢复单元生成包含从控制器接收的光源控制信息的SCM帧。 调制器/解调器将由SCM帧生成/恢复单元生成的SCM帧调制成适合于传输的信号。 EO / OE转换器将由调制器/解调器调制的传输信号转换为光信号,并通过光纤传输光信号。 还公开了具有电话局OLT和用户ONT的光网络,每个具有光收发器。
    • 9. 发明授权
    • Apparatus for measuring optical beat interference noise in subcarrier multiple access optical network
    • 用于测量子载波多址光网络中的光拍干扰噪声的装置
    • US07489868B2
    • 2009-02-10
    • US11110134
    • 2005-04-19
    • Seung Hyun JangChul Soo LeeEui Suk JungByoung Whi Kim
    • Seung Hyun JangChul Soo LeeEui Suk JungByoung Whi Kim
    • H04J14/00
    • H04B10/07953H04B10/077H04B10/07955H04J14/0298
    • An apparatus for measuring Optical Beat Interference (OBI) noise is applied to a central office in a Subcarrier Multiple Access (SCMA) optical network. The central office includes an optical receiver for converting an optical signal received through an optical fiber into an electrical signal. The OBI noise measurement apparatus includes a power divider, first and second filters, and a power measurement unit. The power divider divides the power of a signal output from the optical receiver into two signals. The first filter passes one of the two signals divided by the power divider in a low band of frequencies below a band of subcarrier signals. The second filter passes the other of the two signals divided by the power divider in a high band of frequencies above the band of subcarrier signals. The power measurement unit measures the power of each signal passed through the first and second filters.
    • 用于测量光学节拍干扰(OBI)噪声的装置被应用于子载波多址(SCMA)光网络中的中心局。 中心局包括用于将通过光纤接收的光信号转换成电信号的光接收器。 OBI噪声测量装置包括功率分配器,第一和第二滤波器以及功率测量单元。 功率分配器将从光接收器输出的信号的功率分成两个信号。 第一滤波器通过功率分配器划分的两个信号中的一个在低于频带子载波信号的低频带中传递。 第二滤波器通过功率分配器划分的两个信号中的另一个以高于子载波信号频带的高频带通过。 功率测量单元测量通过第一和第二滤波器的每个信号的功率。