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    • 9. 发明授权
    • Optical level control method
    • 光学水平控制方法
    • US06937820B2
    • 2005-08-30
    • US09791915
    • 2001-02-26
    • Hiroyuki IwakiTetsuo Wada
    • Hiroyuki IwakiTetsuo Wada
    • H04B10/00H04B10/03H04B10/07H04B10/077H04B10/079H04B10/29H04B10/294H04B10/297H04B17/40H04J14/00H04J14/02H04L29/14
    • H04B10/2918H04B10/03H04B10/0777H04B2210/078H04B2210/08H04J14/0221
    • The present invention relates to an optical level control method for use in an optical transmission system. In the system, a WDM terminal comprises a multiplexing/demultiplexing unit, an amplifier, an up-direction OSC light transmitting/receiving unit, an up-direction multiplexer, an up-direction branching unit, an amplifier and an APR control unit, and a repeater comprises an up-direction branching unit, an OSC light transmitting/receiving unit, an amplifier, an up-direction multiplexer, a down-direction branching unit, an amplifier, a down-direction multiplexer and an APR control unit. In this configuration, a flexible optical output level control in connection with variation in WDM light level, a selective value irrespective of occurrence of an error stemming from the passage of time and avoidable malfunctions are respectively capable. In addition, a trouble retrieving operator can eliminate the possibility of being exposed to the WDM light.
    • 本发明涉及光传输系统中使用的光学级别控制方法。 在该系统中,WDM终端包括复用/解复用单元,放大器,上行OSC光发送/接收单元,上行多路复用器,上行分支单元,放大器和APR控制单元,以及 中继器包括上行分支单元,OSC光发射/接收单元,放大器,上行多路复用器,下行分路单元,放大器,下行多路复用器和APR控制单元。 在这种配置中,可以分别与WDM光水平的变化相关的灵活的光输出电平控制,不管由于时间的流逝和可避免的故障是否发生错误的选择值。 此外,故障检索操作员可以消除暴露于WDM光的可能性。
    • 10. 发明授权
    • Solid-state imaging device, method of driving the device, and camera system with varied timing of sampling period for sampling a bias voltage during pixel readout
    • 固态成像装置,驱动装置的方法以及具有采样周期不同时间的摄像系统,用于在像素读出期间对偏置电压进行采样
    • US08687100B2
    • 2014-04-01
    • US12923915
    • 2010-10-14
    • Takayuki ToyamaHiroyuki Iwaki
    • Takayuki ToyamaHiroyuki Iwaki
    • H04N3/14H04N5/335
    • H04N5/378H04N5/335H04N5/374
    • A solid-state imaging device includes: a pixel section formed by pixels performing photoelectric conversion arranged in a matrix; a pixel signal readout section capable of column-parallel processing including an A/D conversion function for reading out a pixel signal from the pixel section and performing analog-digital conversion of the signal, the pixels being read in groups; a voltage sampling section sampling a bias voltage generated by an internal or external voltage generating circuit for a period in accordance with a control signal and supplying the sampled bias voltage to the pixel signal readout section; and a control section controlling the signal readout operation of the pixel signal readout section and the voltage sampling operation of the voltage sampling section. The pixel signal readout section includes a functional portion. The control section exercises control such that the voltage sampling operation is performed in a period other than at least either of a period in which an analog signal is read out or in which A/D conversion is carried out.
    • 固态成像装置包括:由以矩阵形式布置的执行光电转换的像素形成的像素部分; 能够进行列并行处理的像素信号读出部,其包括用于从像素部读出像素信号的A / D转换功能,并进行信号的模拟数字转换,所述像素被分组读取; 电压采样部分,根据控制信号对由内部或外部电压产生电路产生的偏置电压进行一段时间的采样,并将采样的偏置电压提供给像素信号读出部分; 以及控制部分,控制像素信号读出部分的信号读出操作和电压采样部分的电压采样操作。 像素信号读出部包括功能部。 控制部进行控制,使得在除了读出模拟信号的周期或执行A / D转换的周期之外的时段中执行电压采样操作。