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    • 2. 发明授权
    • Amplification type image pickup apparatus and method of controlling the amplification type image pickup apparatus
    • 放大型图像拾取装置和控制放大型图像拾取装置的方法
    • US07623170B2
    • 2009-11-24
    • US11154604
    • 2005-06-17
    • Nobuo NakamuraYoriko TanakaYoshitaka EgawaShinji OhsawaTadashi SugikiYukio Endo
    • Nobuo NakamuraYoriko TanakaYoshitaka EgawaShinji OhsawaTadashi SugikiYukio Endo
    • H04N5/335
    • H04N5/2355H04N5/235H04N5/35527H04N5/35572H04N5/35581H04N5/372H04N5/3728H04N5/374
    • An image pickup apparatus comprising an array of unit cells, vertical signal lines, and a control circuit. The unit cells are arranged in rows and columns. Each unit cell has a light-receiving device for receiving light and generating an electric charge corresponding to the light, a charge-accumulating section for accumulating the electric charge generated by the light-receiving device, a transfer device for transferring the electric charge from the light-receiving device to the charge-accumulating section, and a charge-limiting device for limiting the electric charge accumulated in the charge-accumulating section. The vertical signal lines extend along the columns of unit cells, respectively, each for receiving a electric data item corresponding to the electric charge accumulated in the charge-accumulating section of any unit cell of the associated column. The control circuit controls each of the unit cells, causing the charge-limiting device to limit the charge generated by the light-receiving device during a first period and transferred to the charge-accumulating section through the transfer device. The charge generated by the light-receiving device during a second period following the first period and transferred to the charge-accumulating section through the transfer device is added to the electric charge accumulated in the charge-accumulating section.
    • 一种图像拾取装置,包括单位单元阵列,垂直信号线和控制电路。 单位单元以行和列排列。 每个单元具有用于接收光并产生与该光相对应的电荷的光接收装置,用于累积由光接收装置产生的电荷的电荷累积部分,用于将电荷从 光接收装置到蓄电部,以及用于限制积蓄在蓄电部中的电荷的充电限制装置。 垂直信号线分别沿着单位单元的列延伸,每个用于接收与相关列的任何单位单元的电荷累积部分中累积的电荷相对应的电数据项。 控制电路控制每个单元电池,使得充电限制装置在第一时段期间限制由光接收装置产生的电荷,并通过传送装置传送到电荷累积部分。 在第一时间段之后的第二时段期间由光接收装置产生的电荷通过传送装置传送到电荷累积部分的电荷被加到累积在电荷累积部分中的电荷中。
    • 3. 发明申请
    • Amplification type image pickup apparatus and method of controlling the amplification type image pickup apparatus
    • 放大型图像拾取装置和控制放大型图像拾取装置的方法
    • US20050231619A1
    • 2005-10-20
    • US11154604
    • 2005-06-17
    • Nobuo NakamuraYoriko TanakaYoshitaka EgawaShinji OhsawaTadashi SugikiYukio Endo
    • Nobuo NakamuraYoriko TanakaYoshitaka EgawaShinji OhsawaTadashi SugikiYukio Endo
    • H01L27/146H04N5/235H04N5/335H04N5/341H04N5/347H04N5/353H04N5/355H04N5/369H04N5/372H04N5/374H04N5/3745
    • H04N5/2355H04N5/235H04N5/35527H04N5/35572H04N5/35581H04N5/372H04N5/3728H04N5/374
    • An image pickup apparatus comprising an array of unit cells, vertical signal lines, and a control circuit. The unit cells are arranged in rows and columns. Each unit cell has a light-receiving device for receiving light and generating an electric charge corresponding to the light, a charge-accumulating section for accumulating the electric charge generated by the light-receiving device, a transfer device for transferring the electric charge from the light-receiving device to the charge-accumulating section, and a charge-limiting device for limiting the electric charge accumulated in the charge-accumulating section. The vertical signal lines extend along the columns of unit cells, respectively, each for receiving a electric data item corresponding to the electric charge accumulated in the charge-accumulating section of any unit cell of the associated column. The control circuit controls each of the unit cells, causing the charge-limiting device to limit the charge generated by the light-receiving device during a first period and transferred to the charge-accumulating section through the transfer device. The charge generated by the light-receiving device during a second period following the first period and transferred to the charge-accumulating section through the transfer device is added to the electric charge accumulated in the charge-accumulating section.
    • 一种图像拾取装置,包括单位单元阵列,垂直信号线和控制电路。 单位单元以行和列排列。 每个单元具有用于接收光并产生与该光相对应的电荷的光接收装置,用于累积由光接收装置产生的电荷的电荷累积部分,用于将电荷从 光接收装置到蓄电部,以及用于限制积蓄在蓄电部中的电荷的充电限制装置。 垂直信号线分别沿着单位单元的列延伸,每个用于接收与相关列的任何单位单元的电荷累积部分中累积的电荷相对应的电数据项。 控制电路控制每个单元电池,使得充电限制装置在第一时段期间限制由光接收装置产生的电荷,并通过传送装置传送到电荷累积部分。 在第一时间段之后的第二时段期间由光接收装置产生的电荷通过传送装置传送到电荷累积部分的电荷被加到累积在电荷累积部分中的电荷中。
    • 5. 发明授权
    • High-speed solid-state imaging device capable of suppressing image noise
    • 能够抑制图像噪声的高速固态成像装置
    • US07292276B2
    • 2007-11-06
    • US10875780
    • 2004-06-25
    • Yoshitaka EgawaYoriko TanakaShinji OhsawaYukio EndoHiromi KusakabeNagataka Tanaka
    • Yoshitaka EgawaYoriko TanakaShinji OhsawaYukio EndoHiromi KusakabeNagataka Tanaka
    • H04N3/14
    • H04N5/3658H04N5/3575H04N5/3591H04N5/361H04N5/3698H04N5/374H04N5/3741H04N5/378
    • In a CMOS image sensor, current leakage after a series of noise removing operations has been completed is suppressed in a read operation for each horizontal line, thereby suppressing image noise occurring on the output display screen of the image sensor. There are provided signal storage regions for storing the signals read from the unit cells in the same row selected in the imaging area onto vertical signal lines and horizontal select transistors for sequentially selecting and reading the signals stored in the individual signal storage regions and transferring them to read horizontal signal lines. At least in the period during which the signals are read from the signal storage regions, one of the drain and source of the transistor electrically connected to the signal path between the vertical signal line and horizontal signal line is biased in the reverse direction with respect to the substrate region. Two adjacent ones of the horizontal select transistors form a pair. The horizontal select transistors in each pair share one of the source/drain regions so as to be connected to the horizontal signal line in common, and the others of the source/drain regions are connected to the vertical signal line individually.
    • 在CMOS图像传感器中,对于每个水平线的读取操作,抑制了一系列噪声去除操作之后的电流泄漏,从而抑制了图像传感器的输出显示屏幕上出现的图像噪声。 提供信号存储区域,用于将从成像区域中选择的同一行中的单位单元读取的信号存储到垂直信号线和水平选择晶体管上,用于顺序选择和读取存储在各个信号存储区域中的信号并将其传送到 读取水平信号线。 至少在从信号存储区读取信号的期间中,与垂直信号线和水平信号线之间的信号路径电连接的晶体管的漏极和源极之一相对于 衬底区域。 两个相邻的水平选择晶体管形成一对。 每对中的水平选择晶体管共享源极/漏极区域中的一个,以便与水平信号线共同连接,源极/漏极区域中的另一个分别连接到垂直信号线。
    • 6. 发明授权
    • High-speed solid-state imaging device capable of suppressing image noise
    • 能够抑制图像噪声的高速固态成像装置
    • US07362366B2
    • 2008-04-22
    • US10875781
    • 2004-06-25
    • Yoshitaka EgawaYoriko TanakaShinji OhsawaYukio EndoHiromi KusakabeNagataka Tanaka
    • Yoshitaka EgawaYoriko TanakaShinji OhsawaYukio EndoHiromi KusakabeNagataka Tanaka
    • H04N3/14
    • H04N5/3658H04N5/3575H04N5/3591H04N5/361H04N5/3698H04N5/374H04N5/3741H04N5/378
    • In a CMOS image sensor, current leakage after a series of noise removing operations has been completed is suppressed in a read operation for each horizontal line, thereby suppressing image noise occurring on the output display screen of the image sensor. There are provided signal storage regions for storing the signals read from the unit cells in the same row selected in the imaging area onto vertical signal lines and horizontal select transistors for sequentially selecting and reading the signals stored in the individual signal storage regions and transferring them to read horizontal signal lines. At least in the period during which the signals are read from the signal storage regions, one of the drain and source of the transistor electrically connected to the signal path between the vertical signal line and horizontal signal line is biased in the reverse direction with respect to the substrate region. Two adjacent ones of the horizontal select transistors form a pair. The horizontal select transistors in each pair share one of the source/drain regions so as to be connected to the horizontal signal line in common, and the others of the source/drain regions are connected to the vertical signal line individually.
    • 在CMOS图像传感器中,对于每个水平线的读取操作,抑制了一系列噪声去除操作之后的电流泄漏,从而抑制了图像传感器的输出显示屏幕上出现的图像噪声。 提供信号存储区域,用于将从成像区域中选择的同一行中的单位单元读取的信号存储到垂直信号线和水平选择晶体管上,用于顺序选择和读取存储在各个信号存储区域中的信号并将其传送到 读取水平信号线。 至少在从信号存储区读取信号的期间中,与垂直信号线和水平信号线之间的信号路径电连接的晶体管的漏极和源极之一相对于 衬底区域。 两个相邻的水平选择晶体管形成一对。 每对中的水平选择晶体管共享源极/漏极区域中的一个,以便与水平信号线共同连接,源极/漏极区域中的另一个分别连接到垂直信号线。
    • 8. 发明授权
    • CMOS imaging device for amplifying and fetching signal charge
    • 用于放大和取出信号电荷的CMOS成像装置
    • US06999120B1
    • 2006-02-14
    • US09680968
    • 2000-10-06
    • Yoshitaka EgawaShinji OhsawaYukio EndoNobuo Nakamura
    • Yoshitaka EgawaShinji OhsawaYukio EndoNobuo Nakamura
    • H04N5/335
    • H04N5/353H04N5/3653
    • Disclosed is a solid-state imaging device comprising pickup circuit formed by the arrangement of a unit cell in two dimensions, a plurality of reading lines provided in a horizontal direction corresponding to each pixel row in the pickup region to transmit the reading drive signal φREADi for driving each reading circuit of the unit cell of respectively corresponding pixel row, a vertical drive selection circuit configured to drive the reading circuit by selectively supplying the reading drive signal to these reading lines, and first row selection circuit and a second row selection circuit configured to control the vertical drive circuit so as to drive reading circuit of each pixel row on the basis of the first pulse and the second pulse φROREAD and φESREAD respectively. The solid-state imaging device is capable of controlling a minimum electric charge accumulation time in the photodiode to less than 1H (a horizontal cycle) and is capable of conducting an extremely high-speed shutter operation.
    • 公开了一种固态成像装置,其包括通过在二维中布置单位单元而形成的拾取电路,在与拾取区域中的每个像素行对应的水平方向上设置的多条读取线,以将读取驱动信号phiREADi传送给 驱动分别对应的像素行的单元的每个读取电路;垂直驱动选择电路,被配置为通过向这些读取线选择性地提供读取驱动信号来驱动读取电路,以及第一行选择电路和第二行选择电路, 控制垂直驱动电路,以分别基于第一脉冲和第二脉冲phiROREAD和phiESREAD来驱动每个像素行的读取电路。 固态成像装置能够将光电二极管中的最小电荷积累时间控制为小于1H(水平周期),并且能够进行极高速的快门操作。
    • 10. 发明授权
    • Solid state image sensor device free of influence on optical black level by signal potential change of optical black pixels
    • 固态图像传感器设备不受光学黑色像素的信号电位变化影响
    • US06903768B1
    • 2005-06-07
    • US09349232
    • 1999-07-08
    • Shinji OhsawaYukio EndoYoshitaka Egawa
    • Shinji OhsawaYukio EndoYoshitaka Egawa
    • H01L27/146H04N5/335H04N5/365H04N5/369H04N5/3745H04N5/217
    • H04N5/3658H04N5/361
    • In a solid state image sensor device comprising a cell area wherein unit cells each having photoelectric diodes are arranged in a matrix form on a semiconductor substrate, the cell area being composed of a photo-sensitive pixel region for sensing an image, and an optical black pixel region for defining an optical black level, and a vertical shift register for selecting the unit cells of the image sensing cell array, in a group along each of horizontal lines, and vertical signal lines, each of which reads each of signals from the unit cells selected by turning on an address register by means of the vertical shift register, the vertical signal lines in the optical black pixel region are connected with each other through a wiring. Since the vertical signal lines in the optical black pixel region are connected with each other by a wiring, even if outputs from an optical black pixel region vary in the pixels, the outputs are made averaged and uniform and a variation in fixed pattern noises between the horizontal lines are reduced.
    • 在包括单元区域的固态图像传感器装置中,其中每个具有光电二极管的单位单元以矩阵形式布置在半导体衬底上,所述单元区域由用于感测图像的光敏像素区域和光学黑色 用于定义光学黑色电平的像素区域和用于选择每个水平线的组中的图像感测单元阵列的单位单元的垂直移位寄存器和每个从单元读取每个信号的垂直信号线 通过借助于垂直移位寄存器接通地址寄存器而选择的单元,光学黑色像素区域中的垂直信号线通过布线相互连接。 由于光学黑色像素区域中的垂直信号线通过布线彼此连接,所以即使来自光学黑色像素区域的输出在像素中变化,则输出被平均化和均匀,并且固定图案噪声的变化在 水平线减少。