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    • 8. 发明授权
    • Photo signal storing sensor device
    • 照片信号存储传感器设备
    • US4870266A
    • 1989-09-26
    • US151714
    • 1988-02-03
    • Akira IshizakiYoshio NakamuraShigetoshi Sugawa
    • Akira IshizakiYoshio NakamuraShigetoshi Sugawa
    • G02B7/28G02B7/36H04N5/335H04N5/353H04N5/355H04N5/369H04N5/374H04N5/378
    • G02B7/36
    • A sensor device for cumulatively storing incident light in the form of electric charge is arranged to monitor the level of the cumulatively stored electric charge; to have one mode in which the storing action is allowed to continue until the electric charge level reaches a first, high given level if the electric charge level reaches a preset level within a given period of time; to have another mode in which the storing action is allowed to continue until the electric charge level reaches the preset level if the electric charge fails to reach the preset level within the given period of time; and to cause a signal obtained by the storing action to be read out after the end of the storing action with a degree of gain which is variable according to the mode in which the storing action is performed.
    • 设置用于累积存储电荷形式的入射光的传感器装置,用于监视累积电荷的电平; 具有一种模式,其中如果电荷水平在给定时间段内达到预设水平,则允许存储动作持续到电荷水平达到第一高给定水平; 如果在给定的时间段内电费不能达到预设电平,则具有允许存储动作持续到电荷电平达到预设电平的另一模式; 并且使得通过存储动作获得的信号在存储动作结束后以根据执行存储动作的模式可变的增益程度被读出。
    • 10. 发明授权
    • Solid state image pickup apparatus for reducing noise
    • 用于降低噪声的固态图像拾取装置
    • US5737016A
    • 1998-04-07
    • US512017
    • 1995-08-07
    • Hayao OhzuToshiji SuzukiAkira IshizakiSeiji HashimotoTadanori HaradaTsuneo Suzuki
    • Hayao OhzuToshiji SuzukiAkira IshizakiSeiji HashimotoTadanori HaradaTsuneo Suzuki
    • H04N5/361H04N5/365H04N5/374H04N5/3745H04N5/378H04N5/335
    • H04N5/378H04N5/359H04N5/361H04N5/365H04N5/374
    • Solid state image pickup apparatus for removing noise includes a plurality of photoelectric transducer elements for converting incident light into electrical signals, each of the transducer elements having a signal fluctuation. Control circuitry is provided having a first mode for reading out from each transducer element a first signal corresponding to a signal component and a noise component caused by the fluctuation. The control circuitry has a second mode for reading out from each transducer element a second signal corresponding to the noise component caused by the fluctuation, the first and second signals being read out in the same manner from each transducer element. Amplification circuitry is provided for amplifying the first and second signals, the amplification circuitry including a plurality of amplifiers each amplifier being coupled to a respective one of the plurality of transducer elements. Processing circuitry is provided for processing the first and second signals from the plurality of transducer elements, said processing circuitry including a common capacitor having an input side selectably connected to receive the first signal and the second signal, the capacitor having an output side selectably connected to a fixed level and a floating level.
    • 用于去除噪声的固态图像拾取装置包括用于将入射光转换成电信号的多个光电换能器元件,每个换能器元件具有信号波动。 提供控制电路,其具有用于从每个换能器元件读出对应于由波动引起的信号分量和噪声分量的第一信号的第一模式。 控制电路具有从每个换能器元件读出对应于由波动引起的噪声分量的第二信号的第二模式,第一和第二信号以与每个换能器元件相同的方式读出。 提供放大电路用于放大第一和第二信号,放大电路包括多个放大器,每个放大器耦合到多个换能器元件中的相应一个。 提供处理电路用于处理来自多个换能器元件的第一和第二信号,所述处理电路包括公共电容器,该公共电容器具有可选择地连接以接收第一信号和第二信号的输入端,该电容器具有可选地连接到 固定水平和浮动水平。