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    • 1. 发明申请
    • CHARGE-COUPLED IMAGER
    • 电荷耦合图像
    • WO2002104003A1
    • 2002-12-27
    • PCT/IB2002/002165
    • 2002-06-10
    • DALSA CORPORATION
    • BOSIERS, Jan, T., J.KLEIMANN, Agnes, C., M.LE CAM, Laurent, L., D.
    • H04N3/15
    • H04N5/37213H04N5/3454H04N5/347H04N5/3728
    • Known full-frame imagers, as used in digital cameras, for example, may comprise a monitor-mode read out mode. In such a mode, a subset of the total number of lines, for example 240 lines, that have been recorded in the imaging section is used, while the remaining lines are dumped (vertical subsampling). This facilitates the readout of 15....30 images per second, which can be displayed on an LCD monitor that may be used as a viewfinder of the camera. Because of the ever increasing resolution, it is also desirable to reduce the resolution in the horizontal direction in the monitor-mode. To that end, an imager according to the invention comprises a suitable horizontal read-out section. In the normal-mode read-out mode, a horizontal register comprising a number of storage elements that is at least equal to the number of columns in the image matrix is used, and in the monitor-mode read-out mode, a horizontal register comprising a lower number of storage elements is used. As a result, the latter register can be read in less time while operating at the same clock frequency. In a first embodiment (Fig. 2), the imager comprises two read-out registers, a first register (10) for normal-mode read-out mode, which comprises a number of storage elements (11) that is at least equal to the number of columns (2) of the image matrix (1), and a second read-out register, which comprises fewer storage elements (9) for monitor-mode read-out mode. In a second embodiment (Fig. 7), the imager comprises a horizontal register (27) that is used in both read-out modes. The horizontal register is connected to a voltage source (29) which, in the normal-mode read out mode, supplies different voltages to adjacent electrodes (30), as is usual. In monitor-mode read-out mode, it supplies the same voltages to adjacent electrodes, thereby increasing the size of the storage elements and at the same time decreasing the number of storage elements in the register.
    • 例如,在数码相机中使用的已知的全画幅成像器可以包括监视器模式读出模式。 在这种模式中,使用已经记录在成像部分中的总线数(例如240行)的子集,而剩余的行被转储(垂直子采样)。 这有助于每秒读取15 .... 30张图像,可以将其显示在可用作相机取景器的LCD监视器上。 由于分辨率不断增加,所以在监视模式中也希望在水平方向上降低分辨率。 为此,根据本发明的成像器包括适当的水平读出部分。 在正常模式读出模式中,使用包括至少等于图像矩阵中的列数的多个存储元件的水平寄存器,并且在监视模式读出模式中,水平寄存器 包括使用较少数量的存储元件。 结果是,在相同的时钟频率下工作时,可以在更短的时间内读取后一个寄存器。 在第一实施例(图2)中,成像器包括两个读出寄存器,用于正常模式读出模式的第一寄存器(10),其包括多个存储元件(11),其至少等于 图像矩阵(1)的列数(2)和第二读出寄存器,其包括用于监视模式读出模式的较少存储元件(9)。 在第二实施例(图7)中,成像器包括在两个读出模式中使用的水平寄存器(27)。 水平寄存器连接到电压源(29),其在正常模式读出模式下,像通常那样向相邻电极(30)提供不同的电压。 在监视模式读出模式中,它向相邻电极提供相同的电压,从而增加存储元件的大小,同时减少寄存器中存储元件的数量。
    • 3. 发明申请
    • IMAGE PICK UP DEVICE AND CAMERA PROVIDED THEREWITH
    • 图像拍摄设备和摄像机
    • WO2002104007A2
    • 2002-12-27
    • PCT/IB2002/002285
    • 2002-06-11
    • DALSA CORPORATION
    • BOSIERS, Jan, T., J.BOERSMA, Yvonne, A.
    • H04N5/225
    • H04N5/3591H01L27/14812H01L27/14831
    • The present invention relates to an image pick up device (11), comprising: an image section (12) with a number of picture elements (pixels) arranged in rows and columns; a storage section (13) with image storage elements arranged in rows and columns for (temporarily) at least partially storing an image recorded by the pixels, wherein the charge from the picture elements is transferred to the storage elements; and a transition section (34, 35) screened from incident light between the image section (12) and the storage section (13), wherein one or more gates in or near the transition section (34, 35) have a length greater than the gates of the image section and/or the storage section.
    • 本发明涉及一种图像拾取装置(11),包括:具有排列成行和列的多个像素(像素)的图像部分(12); 存储部分(13),其具有以行和列排列(暂时)至少部分地存储由像素记录的图像的图像存储元件,其中来自图像元素的电荷被传送到存储元件; 以及从图像部分(12)和存储部分(13)之间的入射光屏蔽的过渡部分(34,35),其中过渡部分(34,35)中或其附近的一个或多个栅极的长度大于 图像部分和/或存储部分的门。