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    • 5. 发明专利
    • Imaging device and imaging control method
    • 成像装置和成像控制方法
    • JP2010034744A
    • 2010-02-12
    • JP2008193248
    • 2008-07-28
    • Fujifilm Corp富士フイルム株式会社
    • NISHIDA KIMIYASUODA KAZUYAFURUTA ZENKO
    • H04N5/335H04N5/367H04N5/369H04N5/378H04N9/04
    • PROBLEM TO BE SOLVED: To reduce image degradation even in a state where pixel defect in an OB pixel region causes image degradation without changing the structure of an image sensor.
      SOLUTION: An analog signal processing section calculates the black level of a read line 13e in a photosensitive pixel region 13a from the average value of black level of each pixel of a TP pattern 13f in an OB pixel region 13b, and performs clamping. A digital camera includes a normal TG pattern shown at (a), and a TG pattern having a larger number of clamp pixels than that of the normal TG pattern shown at (b), and a CPU determines from which TG pattern the black level in the photosensitive pixel region 13a is calculated according to the situation. For example, a TG pattern having a larger number of clamp pixels is used when the ISO sensitivity is 800 or more, and a normal TG pattern is used when the ISO sensitivity is less than 800.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使在OB像素区域中的像素缺陷导致图像劣化而不改变图像传感器的结构的情况下也能够降低图像劣化。 解决方案:模拟信号处理部分从OB像素区域13b中的TP图案13f的每个像素的黑色电平的平均值计算感光像素区域13a中的读取行13e的黑色电平,并执行钳位 。 数字照相机包括(a)所示的正常TG图案和具有比(b)所示的正常TG图案数量大的钳位像素数量的TG图案,CPU确定从哪个TG图案的黑色电平 根据情况计算感光像素区域13a。 例如,当ISO感光度为800以上时,使用具有较大数量钳位像素的TG图案,并且当ISO感光度小于800时,使用正常TG图案。(C)2010年, JPO&INPIT
    • 6. 发明专利
    • Imaging apparatus and image signal processing method
    • 成像装置和图像信号处理方法
    • JP2009206925A
    • 2009-09-10
    • JP2008048055
    • 2008-02-28
    • Fujifilm Corp富士フイルム株式会社
    • KOBAYASHI HIROKAZUKUSUDA DAISUKETAMARU MASAYACHO MICHIOODA KAZUYA
    • H04N5/243H04N5/232H04N5/238H04N101/00
    • H04N5/2354H04N5/2353H04N5/2355H04N5/35554H04N5/35581
    • PROBLEM TO BE SOLVED: To perform high-sensitivity two-by-two photographing and to capture an image with a wide dynamic range.
      SOLUTION: In an imaging apparatus, among a plurality of pixels, a group of pixels at a periodic position is exposed as a first group of pixels over a first exposure term, a group of pixels at a remaining periodic position is exposed as a second group of pixels over a partial second exposure term during the first exposure term, and image data captured by the first group of pixels and the second group of pixels are separately read from a solid-state image pickup element. The imaging apparatus includes: a first photographing mode for performing image processing separately upon the image data of the first group of pixels and the image data of the second group of pixels to produce two pieces of subject image data; and a second photographing mode for combining the image data of the second group of pixels with the image data of the first group of pixels to produce one piece of subject image data.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:执行高灵敏度二次拍摄并捕获宽动态范围的图像。 解决方案:在成像设备中,在多个像素中,周期性位置处的一组像素在第一曝光项上被曝光为第一组像素,在剩余周期位置处的一组像素被暴露为 在第一曝光项期间在部分第二曝光项上的第二组像素,以及由第一组像素和第二组像素捕获的图像数据从固态图像拾取元件分别读取。 成像装置包括:第一拍摄模式,用于分别对第一组像素的图像数据和第二组像素的图像数据执行图像处理,以产生两个被摄体图像数据; 以及第二拍摄模式,用于将第二组像素的图像数据与第一组像素的图像数据组合以产生一个被摄体图像数据。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Driving method of solid-state imaging device, solid-state imaging device, and imaging apparatus
    • 固态成像装置的驱动方法,固态成像装置和成像装置
    • JP2009130575A
    • 2009-06-11
    • JP2007302758
    • 2007-11-22
    • Fujifilm Corp富士フイルム株式会社
    • ODA KAZUYAWADA SATORU
    • H01L27/146H04N5/335H04N5/341H04N5/369
    • H04N9/045H04N5/343H04N5/37457
    • PROBLEM TO BE SOLVED: To provide an effective driving method of a solid-state imaging device provided with photosensitive elements for detecting luminance components and photosensitive elements for detecting color phase components.
      SOLUTION: An RGB photoelectric conversion element group wherein photoelectric conversion elements 51R for detecting R light, photoelectric conversion elements 51G for detecting G light and photoelectric conversion elements 51B for detecting B light are arrayed in a square grid shape and a W light photoelectric conversion element group wherein photoelectric conversion elements 51W for detecting the luminance are arrayed in the square grid shape are shifted in a row direction and a column direction by 1/2 of the array pitch of the respective photoelectric conversion elements and arranged. The driving method has a step of mixing G charges generated in the photoelectric conversion elements 51G and W charges generated in the photoelectric conversion elements 51W adjacent in the prescribed direction (upper right and lower right) of the photoelectric conversion elements 51G, converting the charges obtained by mixing them to signals and outputting them.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有用于检测亮度分量的感光元件和用于检测色相分量的感光元件的固态成像装置的有效驱动方法。 解决方案:用于检测R光的光电转换元件51R,用于检测G光的光电转换元件51G和用于检测B光的光电转换元件51B的RGB光电转换元件组以方格栅格形状排列,并且W光光电 将其中用于检测亮度的光电转换元件51W排列成方格栅格的转换元件组在行方向和列方向上偏移各光电转换元件的阵列间距的1/2。 驱动方法具有将在光电转换元件51G中生成的G电荷和在光电转换元件51G的规定方向(右上右右)附近的光电转换元件51W中产生的W电荷混合的步骤,将获得的电荷 通过将它们混合到信号并输出​​它们。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Method of driving ccd solid-state image pickup device, and image pickup apparatus
    • 驱动CCD固态摄像装置的方法和图像拾取装置
    • JP2009089028A
    • 2009-04-23
    • JP2007256227
    • 2007-09-28
    • Fujifilm Corp富士フイルム株式会社
    • KUSUDA DAISUKEKOBAYASHI HIROKAZUODA KAZUYA
    • H01L27/148H04N5/335H04N5/365H04N5/3728H04N101/00
    • PROBLEM TO BE SOLVED: To suppress variation in electron multiplication factor in an element.
      SOLUTION: Successive transfer electrodes Vi, Vi+1, Vi+2, ..., Vi+j applied with transfer pulses ϕVi, ϕVi+1, ϕVi+2, ..., ϕVi+j (i, j: arbitrary) are defined as a transfer electrode group of one line and the transfer electrode group is provided repeatedly over a plurality of lines along a charge transfer path. In this case, a multiplying potential well 43 is formed in a certain line (place A) to perform multiplication, signal charges having been multiplied are transferred to a next line (place B) in a transfer direction, and then a multiplying potential well 43 is formed in the next line to perform multiplication again. Thus, multiplication is repeated while lines are changed to average variation in electron amplification factor depending on places.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:抑制元件中电子倍增因子的变化。

      解决方案:连续转移电极Vi,Vi + 1,Vi + 2,...,Vi + j施加转移脉冲φVi,φVi+ 1,φVi+ 2,...,φVi+ j(i,j :任意)被定义为一行的转印电极组,并且转印电极组沿着电荷转移路径重复地设置在多条线上。 在这种情况下,乘法电位阱43形成在某一行(位置A)中以进行乘法,已经相乘的信号电荷在传送方向上传送到下一行(地点B),然后乘以乘法电位阱43 形成在下一行以再次执行乘法。 因此,重复乘法,而线根据位置改变为电子放大因子的平均变化。 版权所有(C)2009,JPO&INPIT

    • 9. 发明专利
    • Method of driving ccd solid-state image pickup device, and image pickup apparatus
    • 驱动CCD固态摄像装置的方法和图像拾取装置
    • JP2009089026A
    • 2009-04-23
    • JP2007256224
    • 2007-09-28
    • Fujifilm Corp富士フイルム株式会社
    • KUSUDA DAISUKEKOBAYASHI HIROKAZUODA KAZUYA
    • H01L27/148H04N5/335H04N5/341H04N5/365H04N5/369H04N5/372H04N5/376
    • PROBLEM TO BE SOLVED: To perform electron multiplication driving on a vertical charge transfer path by a CCD solid-state image pickup device in a short time.
      SOLUTION: Signal charges are stored in a well 41 between barriers 42 and 44 formed on a charge transfer path, a multiplication voltage is applied to a predetermined electrode as a multiplying electrode at a position beyond the barrier 42 among transfer electrodes constituting the charge transfer path to form a multiplying potential well 43 deeper than the well 41, and the barrier 42 is eliminated to cause the signal charges in the well 41 to fall in the potential well 43, thereby multiplying the signal charges. At this time, a voltage applied to the transfer electrode forming the barrier 44 is controlled so that the signal charges are extruded toward the potential well 43 using the barrier 44 (states T2 and T3).
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:在短时间内通过CCD固态摄像装置在垂直电荷转移路径上进行电子倍增驱动。 解决方案:信号电荷存储在形成在电荷传输路径上的势垒42和44之间的阱41中,乘法电压作为倍增电极施加到作为乘法电极的超过势垒42的位置,构成传输电极 电荷传输路径以形成比阱41深的倍增势阱43,并且消除势垒42以使阱41中的信号电荷落入势阱43中,从而乘以信号电荷。 此时,施加到形成阻挡层44的转印电极的电压被控制,使得信号电荷使用阻挡层44(状态T2和T3)朝向势阱43挤出。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Imaging device
    • 成像装置
    • JP2009081880A
    • 2009-04-16
    • JP2008302781
    • 2008-11-27
    • Fujifilm Corp富士フイルム株式会社
    • ODA KAZUYA
    • H04N5/335H04N5/361H04N5/369H04N5/3728H04N5/378
    • PROBLEM TO BE SOLVED: To provide an imaging device improved in image quality by suppressing occurrence of a dark current.
      SOLUTION: When the ISO sensitivity is set at 100, the solid-state image sensor is driven with a first read-out mode, and when the ISO sensitivity is set at 200, 400, or 800, the solid-state image sensor is driven with a second read-out mode. In the first read-out mode, one potential well L1 is formed by two vertical transfer paths 22 as shown in Fig.5(a), and the signal charge is read out therein and is sequentially transferred in the row direction. In the second read-out mode, one potential well L2 is formed by one vertical transfer path 22 as shown in Fig.5(b), and the signal charge is read out therein and is sequentially transferred in the row direction. When the ISO sensitivity is set at 200, the potential of the bottom of the potential well L2 formed in the vertical transfer path 22 is VH as shown in Fig.7(a), and when the ISO sensitivity is set at 400 or the ISO sensitivity is set at 800, this potential VH is raised to a medium level VM between VL and VH as shown in Fig.7(b).
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供通过抑制暗电流的出现来提高图像质量的成像装置。

      解决方案:当ISO感光度设置为100时,固态图像传感器以第一个读出模式驱动,当ISO感光度设置为200,400或800时,固态图像 传感器用第二个读出模式驱动。 在第一读出模式中,一个势阱L1由如图5(a)所示的两个垂直传送路径22形成,并且在其中读出信号电荷并且在行方向依次传送。 在第二读出模式中,一个势阱L2由如图5(b)所示的一个垂直传送路径22形成,并且在其中读出信号电荷并且在行方向依次传送。 当ISO感光度设定为200时,如图7(a)所示,在垂直传送路径22中形成的势阱L2的底部的电位为VH,当ISO感光度设定为400或ISO 灵敏度设置为800,如图7(b)所示,该电位VH升高到VL和VH之间的中等水平VM。 版权所有(C)2009,JPO&INPIT