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    • 2. 发明申请
    • SOLID-STATE IMAGING DEVICE
    • 固态成像装置
    • US20140293105A1
    • 2014-10-02
    • US14302516
    • 2014-06-12
    • Shigetoshi SUGAWA
    • Shigetoshi SUGAWA
    • H04N5/374
    • H04N5/3742H04N5/363H04N5/37457
    • Reset noise in pixels is removed. A solid-state imaging device includes pixels arranged in row and column directions, in which each of the pixels includes a charge-voltage conversion terminal for voltage-converting signal charges transferred from a photoelectric conversion element by a transfer means, and a first reset means for resetting a voltage at the charge-voltage conversion terminal; signal lines, each of which is connected to the pixels in each column; a scanning means for selecting one row among others; and constant current circuit elements for supplying constant current to the signal lines. In the device, within each selected row, each reset voltage at each charge-voltage conversion terminal and a converted voltage from transferred signal charges are read out to and stored in each signal line supplied with constant current by each constant current circuit element, and then output.
    • 去除重置噪点(以像素为单位)。 固态成像装置包括以行和列方向布置的像素,其中每个像素包括用于通过转印装置对从光电转换元件传送的信号电荷进行电压转换的电荷电压转换端,以及第一复位装置 用于复位所述充电电压转换端子处的电压; 信号线,每条信号线连接到每列中的像素; 用于选择一行等的扫描装置; 以及用于向信号线提供恒定电流的恒流电路元件。 在该设备中,在每个选定的行内,每个充电电压转换端子处的每个复位电压和来自传送的信号电荷的转换电压被每个恒流电路元件读出并存储在由恒定电流提供的每条信号线中,然后 输出。
    • 9. 发明授权
    • Solid-state imaging device, optical sensor and method of operating solid-state imaging device
    • 固态成像装置,光学传感器和操作固态成像装置的方法
    • US07800673B2
    • 2010-09-21
    • US10592590
    • 2005-04-12
    • Shigetoshi SugawaSatoru AdachiKyoichi YahataTatsuya Terada
    • Shigetoshi SugawaSatoru AdachiKyoichi YahataTatsuya Terada
    • H04N3/14H04N5/335
    • H04N5/3559H01L27/14609H04N5/2355H04N5/3591
    • A solid-state imaging device and an optical sensor, which can enhance a wide dynamic range while keeping a high sensitivity with a high S/N ratio, and a method of operating a solid-state imaging device for enhancing a wide dynamic range while keeping a high sensitivity with a high S/N ratio are disclosed. An array of integrated pixels has a structure wherein each pixel comprises a photodiode PD for receiving light and generating and accumulating photoelectric charges and a storage capacitor element CS coupled to the photodiode PD through a transfer transistor Tr1 for accumulating the photoelectric charges overflowing from the photodiode PD. The storage capacitor element CS is structured to accumulate the photoelectric charges overflowing from the photodiode PD in a storage-capacitor-element accumulation period TCS that is set to be a period at a predetermined ratio with respect to an accumulation period of the photodiode PD.
    • 一种固态成像装置和光学传感器,其可以在保持高S / N比的高灵敏度的同时增强宽动态范围,以及操作固态成像装置以增强宽动态范围同时保持 公开了具有高S / N比的高灵敏度。 集成像素阵列具有这样的结构,其中每个像素包括用于接收光并且产生和累积光电电荷的光电二极管PD和通过传输晶体管Tr1耦合到光电二极管PD的存储电容器元件CS,用于累积从光电二极管PD溢出的光电电荷 。 存储电容器元件CS被构造为在相对于光电二极管PD的累积周期被设置为以预定比率的周期的存储电容元件累积周期TCS中累积从光电二极管PD溢出的光电电荷。
    • 10. 发明申请
    • SOLID-STATE IMAGE SENSOR AND DRIVE METHOD FOR THE SAME
    • 固态图像传感器及其驱动方法
    • US20100188538A1
    • 2010-07-29
    • US12676505
    • 2008-09-04
    • Shigetoshi SugawaYasushi KondoHideki Tominaga
    • Shigetoshi SugawaYasushi KondoHideki Tominaga
    • H04N5/335
    • H04N5/35572H04N5/3559H04N5/3575H04N5/3742H04N5/37452H04N5/378
    • An independent pixel output line (14) is provided for each of two-dimensionally arranged pixels (10) within a pixel area (2a). A plurality of memory sections are connected to each pixel output line (14). In a continuous reading mode, photocharge storage is simultaneously performed at all the pixels, and signals are collectively transferred from the pixels (10) through the pixel output lines (14) to the memory sections, after which the signals held in the memory sections are sequentially read and outputted. In a burst reading mode, the operations of simultaneously storing photocharges at all the pixels and collectively transferring signals from each pixel (10) through the pixel output line (14) to the memory sections are sequentially performed for each of the memory sections to hold signals corresponding to a plurality of frames. When a imaging halt command is given, the holding of new signals is halted, and a plurality of frames of image signals held in the memory sections at that point in time are sequentially read and outputted. Thus, both an ultrahigh-speed imaging operation with a limitation on the number of frames and an imaging mode that is rather slow but has no limitation on the number of frames can be performed.
    • 为像素区域(2a)内的二维排列的像素(10)中的每一个提供独立的像素输出线(14)。 多个存储器部分连接到每个像素输出线(14)。 在连续读取模式下,在所有像素处同时执行光电荷存储,并且将信号从像素(10)通过像素输出线(14)共同转移到存储器部分,之后保存在存储器部分中的信号为 依次读取并输出。 在突发读取模式下,对于每个存储器部分,顺序地执行将所有像素同时存储光电荷并将每个像素(10)的信号通过像素输出线(14)共同传送到存储器部分的操作,以保持信号 对应于多个帧。 当给出成像暂停命令时,停止新信号的保持,并且顺序读取并输出在该时间点保持在存储器部分中的多个图像信号帧。 因此,可以执行具有对帧数量的限制的超高速成像操作和相当慢但对帧数量没有限制的成像模式。