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    • 31. 发明申请
    • SIGNAL TRANSMISSION CIRCUIT
    • 信号传输电路
    • US20050046445A1
    • 2005-03-03
    • US10902095
    • 2004-07-30
    • Shigetaka KasugaTakumi YamaguchiTakahiko Murata
    • Shigetaka KasugaTakumi YamaguchiTakahiko Murata
    • G09G3/36G11C19/18G11C19/28H04N5/335H03K19/094
    • G09G3/3677G09G2310/0286G11C19/184G11C19/28
    • The signal transmission circuit is provided, said signal transmission circuit being capable of stable operations even with a source power of low voltage and a fast operation. The signal transmission circuit comprises plural stages of circuit in each of which the pulse voltage according to the driving pulse is sequentially outputted. The circuit of each stage includes: the output transistor T12 for outputting the pulse voltage to the source, according to the driving pulse; the bootstrap capacitor C1 connected between the gate and the source of the output transistor; the first charging transistor T11 for charging the bootstrap capacitor; the first and the second discharging transistor T13 and T14 for discharging the electric charge of the bootstrap capacitor; and the logical circuit which (i) turns on the first and the second discharging transistor, according to the driving pulse for each circuit of the other stages, and (ii) turns off the first and the second discharging transistor, according to the gate signal of the charging transistor.
    • 提供信号传输电路,所述信号传输电路即使具有低电压和快速操作的源功率也能够稳定地工作。 信号传输电路包括多个电路,其中根据驱动脉冲的脉冲电压被依次输出。 每级的电路包括:输出晶体管T12,用于根据驱动脉冲将脉冲电压输出到源; 所述自举电容器C1连接在所述输出晶体管的栅极和源极之间; 用于对自举电容器充电的第一充电晶体管T11; 用于放电自举电容器的电荷的第一和第二放电晶体管T13和T14; 和逻辑电路(i)根据其他级的每个电路的驱动脉冲导通第一和第二放电晶体管,以及(ii)根据栅极信号关断第一和第二放电晶体管 的充电晶体管。
    • 35. 发明申请
    • Solid-State Imaging Device
    • 固态成像装置
    • US20080061216A1
    • 2008-03-13
    • US11571461
    • 2005-07-04
    • Shigetaka KasugaTakumi YamaguchiTakahiko Murata
    • Shigetaka KasugaTakumi YamaguchiTakahiko Murata
    • H01L27/00
    • H04N5/3598H01L27/14609H04N5/243H04N5/3575
    • In the case where a subject is captured with a high-luminance light, such as sunlight, for a background, a phenomenon that a portion of the high-luminance subject is detected as a no-signal level is prevented.The solid-state imaging device includes: a photoelectric transducer PD which converts incident light to charges; a voltage level detection circuit 50 in which pixel units 10an1 and 10bn1, each having a voltage conversion amplifying transistor Q13a which outputs a voltage by converting the charges accumulated in the photoelectric transducer PD, are arranged one-dimensionally or two-dimensionally, and which detects a pixel output voltage outputted from each of the pixel units to the common column signal line Ln; and a column signal processing circuit 80 which receives a logic output voltage of the voltage level detection circuit 50 and the pixel output voltage and which outputs a voltage to a horizontal output circuit 90. The column signal processing circuit 80 outputs either a voltage identical to the pixel output voltage or a fixed voltage, depending on the logic output voltage.
    • 在用诸如阳光的高亮度光拍摄被摄体背景的情况下,防止将高亮度被摄体的一部分检测为无信号电平的现象。 固态成像装置包括:将入射光转换成电荷的光电转换器PD; 电压电平检测电路50,其中通过转换积累在光电变换器PD中的电荷来输出电压的每个具有电压转换放大晶体管Q13a的像素单元10,1和10bn1被一维或两个 并且其检测从每个像素单元输出到公共列信号线Ln的像素输出电压; 以及列信号处理电路80,其接收电压电平检测电路50的逻辑输出电压和像素输出电压,并向水平输出电路90输出电压。 列信号处理电路80根据逻辑输出电压输出与像素输出电压或固定电压相同的电压。