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    • 2. 发明申请
    • IMAGE SENSOR FOR HIGH-SPEED DATA READOUT
    • 用于高速数据读取的图像传感器
    • US20090262229A1
    • 2009-10-22
    • US12427214
    • 2009-04-21
    • Seung Hyun LimGun Hee HanSeog Heon Ham
    • Seung Hyun LimGun Hee HanSeog Heon Ham
    • H04N5/335
    • H04N5/37455G11C7/16
    • An image sensor for high-speed data readout is provided. The image sensor includes a line memory block temporarily storing a digital signal in unit of lines which is generated based on an analog signal output from a pixel array. The line memory block includes a plurality of line memories, a plurality of data line pairs respectively connecting the line memories to a sense amplifying unit, and a plurality of data line prechargers each including at least two precharge units separately connected with a corresponding one of the data line pairs to precharge the corresponding data line pair with a predetermined precharge voltage. Accordingly, the image sensor performs high-speed digital signal readout based on precharge operation of the data line prechargers.
    • 提供了用于高速数据读出的图像传感器。 该图像传感器包括一个行存储块,其临时存储基于从像素阵列输出的模拟信号产生的行单位的数字信号。 行存储块包括多个行存储器,分别将行存储器连接到读出放大单元的多个数据线对,以及多个数据线预充电器,每个数据线预充电器包括分别与相应的一个 数据线对以预定的预充电电压对相应的数据线对进行预充电。 因此,图像传感器基于数据线预充电器的预充电操作来执行高速数字信号读出。
    • 5. 发明授权
    • Image sensor for high-speed data readout
    • 用于高速数据读出的图像传感器
    • US08159589B2
    • 2012-04-17
    • US12427214
    • 2009-04-21
    • Seung Hyun LimGun Hee HanSeog Heon Ham
    • Seung Hyun LimGun Hee HanSeog Heon Ham
    • H04N5/335
    • H04N5/37455G11C7/16
    • An image sensor for high-speed data readout is provided. The image sensor includes a line memory block temporarily storing a digital signal in unit of lines which is generated based on an analog signal output from a pixel array. The line memory block includes a plurality of line memories, a plurality of data line pairs respectively connecting the line memories to a sense amplifying unit, and a plurality of data line prechargers each including at least two precharge units separately connected with a corresponding one of the data line pairs to precharge the corresponding data line pair with a predetermined precharge voltage. Accordingly, the image sensor performs high-speed digital signal readout based on precharge operation of the data line prechargers.
    • 提供了用于高速数据读出的图像传感器。 该图像传感器包括一个行存储块,其临时存储基于从像素阵列输出的模拟信号产生的行单位的数字信号。 行存储块包括多个行存储器,分别将行存储器连接到读出放大单元的多个数据线对,以及多个数据线预充电器,每个数据线预充电器包括分别与相应的一个 数据线对以预定的预充电电压对相应的数据线对进行预充电。 因此,图像传感器基于数据线预充电器的预充电操作来执行高速数字信号读出。
    • 8. 发明授权
    • Two-step analog-digital converting circuit and method
    • 两步模拟数字转换电路及方法
    • US08952314B2
    • 2015-02-10
    • US13616205
    • 2012-09-14
    • Yu Jin ParkKwi Sung YooSeung Hyun Lim
    • Yu Jin ParkKwi Sung YooSeung Hyun Lim
    • H01L27/00H03M1/16H03M1/12H03M1/56H04N5/374H04N5/378
    • H03M1/16H03M1/123H03M1/56H04N5/374H04N5/3742H04N5/378
    • A two-step analog-digital converting circuit includes a comparator, an upper bit counter and a pulse residue conversion unit. The comparator is configured to compare a ramp signal and an input signal, and to output a resulting comparative signal. The upper bit counter is configured to receive the comparative signal and a clock signal, and to output upper bit values corresponding to a first time interval between a generation time point of the ramp signal and a first edge of the clock signal, the first edge of the clock signal immediately preceding a state transition time point of the comparative signal. The pulse residue conversion unit is configured to receive the comparative signal and the clock signal, and to output lower bit values corresponding to a second time interval between the first edge of the clock signal and the state transition time point of the comparative signal.
    • 两步模拟数字转换电路包括比较器,高位计数器和脉冲残差转换单元。 比较器被配置为比较斜坡信号和输入信号,并输出结果比较信号。 高位计数器被配置为接收比较信号和时钟信号,并且输出对应于斜坡信号的生成时间点和时钟信号的第一边沿之间的第一时间间隔的高位值, 紧接在比较信号的状态转变时间点之前的时钟信号。 脉冲残余转换单元被配置为接收比较信号和时钟信号,并且输出与时钟信号的第一边沿和比较信号的状态转移时间点之间的第二时间间隔相对应的较低位值。