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    • 7. 发明授权
    • Color filter array for a CCD driven in eight phases
    • 用于CCD驱动的彩色滤光片阵列,分为八个阶段
    • US5880781A
    • 1999-03-09
    • US688667
    • 1996-07-29
    • Yoshiro UdagawaAkira SugaToshikazu YanaiMasato Ikeda
    • Yoshiro UdagawaAkira SugaToshikazu YanaiMasato Ikeda
    • H04N5/335H04N5/341H04N5/345H04N5/357H04N5/369H04N5/3728H04N5/378H04N9/04H04N9/07H04N3/14H04N9/083
    • H04N9/045
    • In order to attain a high-speed thin-out reading operation and to obtain high image quality in an image pickup apparatus, a color filter array of this invention is applied to an interline CCD (image pickup element) in which a vertical CCD is driven in eight phases). The high-speed thin-out reading operation is performed as follows. That is, photoelectrically converted carriers for two horizontal lines are transferred to the vertical CCD every third lines (e.g., C in the first line and M in the second line, C in the fifth line and G in the sixth line, . . . are transferred to the vertical CCD), and residual photoelectrically converted carriers (the Y carrier in the third line, the G carrier in the fourth line, the Y carrier in the seventh line, and the M carrier in the eighth line) are discharged by a substrate discharge operation. Thereafter, the photoelectrically converted carriers in the vertical CCD are sequentially transferred in the vertical CCD, and are output via a horizontal CCD and an output amplifier. Chrominance signal carriers on the 1/2PH axis generated by the color filter array of this invention can be removed by an optical LPF, thus obtaining high image quality.
    • 为了实现高速薄化读取操作并且在图像拾取装置中获得高图像质量,本发明的滤色器阵列应用于其中驱动垂直CCD的行间CCD(摄像元件) 八个阶段)。 高速薄化读取操作如下进行。 也就是说,用于两条水平线的光电转换载体每三行传输到垂直CCD(例如,第一行中的C和第二行中的M,第五行中的C和第六行中的G ... 转移到垂直CCD),剩余的光电转换载体(第三行中的Y载波,第四行中的G载波,第七行中的Y载波,以及第八行中的M载波)通过 基板放电操作。 此后,垂直CCD中的光电转换载体在垂直CCD中依次传送,并通过水平CCD和输出放大器输出。 由本发明的滤色器阵列产生的1 / 2PH轴上的色度信号载体可以通过光学LPF去除,从而获得高图像质量。