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    • 25. 发明授权
    • Amplification circuit
    • 放大电路
    • US08294517B2
    • 2012-10-23
    • US13087591
    • 2011-04-15
    • Yasunari Harada
    • Yasunari Harada
    • H03F3/45
    • H03F3/45179H03F3/45641H03F2200/261H03F2203/45418
    • An amplification circuit may include an input differential pair including a first transistor receiving a positive input voltage and a second transistor receiving a negative input voltage, a first resistor that generates a difference current corresponding to a difference voltage between the positive input voltage and the negative input voltage, an output differential pair including a third transistor supplying a negative output voltage and a fourth transistor supplying a positive output voltage, a second resistor connected to a reference voltage to receive the difference current generated by the first resistor, and a bias circuit that supplies a bias current to the first transistor, the second transistor, the third transistor, and the fourth transistor. The first transistor, the second transistor, the third transistor, and the fourth transistor may have the same polarity.
    • 放大电路可以包括输入差分对,其包括接收正输入电压的第一晶体管和接收负输入电压的第二晶体管,第一电阻器,其产生与正输入电压和负输入端之间的差电压相对应的差电流 电压,包括提供负输出电压的第三晶体管和提供正输出电压的第四晶体管的输出差分对,连接到参考电压以接收由第一电阻器产生的差分电流的第二电阻器,以及供给 到第一晶体管,第二晶体管,第三晶体管和第四晶体管的偏置电流。 第一晶体管,第二晶体管,第三晶体管和第四晶体管可以具有相同的极性。
    • 26. 发明申请
    • IMAGING DEVICE
    • 成像装置
    • US20110074987A1
    • 2011-03-31
    • US12958904
    • 2010-12-02
    • Yasunari HaradaYuichi Gomi
    • Yasunari HaradaYuichi Gomi
    • H04N5/16
    • H04N5/3598H03M1/14H03M1/502H03M1/60H04N5/3575H04N5/378
    • An A/D conversion section (11) counts clocks whose frequency corresponds to the size of output signals from pixels (10a), and digitalizes the result so as to create count values, and also calculates a difference between a first count value that relates to the output signal during a reset period of a pixel, and a second count value that relates to the output signal during an exposure period of the pixel, and then outputs this difference as an imaging signal for this pixel. A control unit (12) controls the A/D conversion section such that the length of the counting period of the first count value is equal to the length of the counting period of the second count value.
    • A / D转换部(11)对频率对应于来自像素(10a)的输出信号的大小的时钟进行计数,并且对结果进行数字化,以产生计数值,并且还计算与 在像素的复位周期期间的输出信号,以及在像素的曝光期间与输出信号相关的第二计数值,然后输出该差作为该像素的成像信号。 控制单元(12)控制A / D转换部分,使得第一计数值的计数周期的长度等于第二计数值的计数周期的长度。
    • 30. 发明授权
    • A/D conversion circuit including a pulse transit circuit
    • A / D转换电路包括脉冲传输电路
    • US08421665B2
    • 2013-04-16
    • US12991275
    • 2009-05-07
    • Yoshio HagiharaYasunari Harada
    • Yoshio HagiharaYasunari Harada
    • H03M1/50
    • H03M1/502H03K3/0315H03M1/14
    • An A/D conversion circuit includes: a pulse transit circuit into which either a power supply or current source and also a pulse signal is input, and through which the pulse signal transits; a transit position detection section that detects a transit position of the pulse signal within the pulse transit circuit, and outputs data in accordance with the transit position; and a digital data creation section that, based on the data output by the transit position detection section, creates digital data that corresponds to the size of the power supply or current source. The pulse transit circuit is formed by a plurality of inverter circuits that are joined together in series, and the plurality of inverter circuits are formed by identical logical elements in which delay times between input signals and output signals change in accordance with the size of the power supply or current source. In the pulse transit circuit, a start-up signal that causes the transiting of the pulse signal to commence is input into one of the plurality of inverter circuits, and the transit position detection section detects the transit position of the pulse signal within the pulse transit circuit based on the output signals from each one of the plurality of inverter circuits.
    • A / D转换电路包括:脉冲传递电路,其中输入电源或电流源以及脉冲信号,脉冲信号通过该电路输入; 中继位置检测部,检测脉冲传递电路内的脉冲信号的转接位置,并根据中途位置输出数据; 以及数字数据创建部,其基于由所述中转位置检测部输出的数据,生成与所述电源或电流源的尺寸对应的数字数据。 脉冲传输电路由串联连接在一起的多个反相器电路形成,多个反相器电路由相同的逻辑元件形成,其中输入信号和输出信号之间的延迟时间根据功率的大小而变化 供应或电流源。 在脉冲传输电路中,使脉冲信号的转移开始的启动信号输入到多个逆变器电路中的一个,并且转接位置检测部检测脉冲输送中脉冲信号的通过位置 基于来自多个逆变器电路中的每一个的输出信号的电路。