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    • 14. 发明授权
    • Signal processing circuit of solid state image pickup device
    • 固态摄像装置的信号处理电路
    • US4712136A
    • 1987-12-08
    • US906273
    • 1986-09-10
    • Tokuichi TsunekawaYuichi Sato
    • Tokuichi TsunekawaYuichi Sato
    • G11C27/04H04N5/335H04N5/355H04N5/357H04N5/372
    • H04N5/2173G11C27/04
    • There is a solid state image pickup device having a signal voltage output circuit to output a charge signal as voltage information through a charge-voltage converter and a correction voltage output circuit to generate a reference voltage into which no signal charge is input and which has a circuit arrangement similar to the signal voltage output circuit. The invention intends to provide a signal processing circuit of such a solid state image pickup device in which the output of the correction voltage output circuit is provided with a time constant circuit, and this signal processing circuit consists of a differential amplifier to amplify the difference between the correction voltage output derived through the time constant circuit and the output of the signal voltage output circuit.
    • 存在具有信号电压输出电路的固态图像拾取装置,其通过电荷电压转换器和校正电压输出电路输出作为电压信息的电荷信号,以产生不输入信号电荷的参考电压,并且具有 电路布置类似于信号电压输出电路。 本发明旨在提供一种这样的固态图像拾取装置的信号处理电路,其中校正电压输出电路的输出设置有时间常数电路,并且该信号处理电路由差分放大器组成,用于放大 通过时间常数电路得到的校正电压输出和信号电压输出电路的输出。