Film video player having flash illuminated area image sensor and single
frame CCD image sensor for use therewith
    1.
    发明授权
    Film video player having flash illuminated area image sensor and single frame CCD image sensor for use therewith 失效
    具有闪光照明区域图像传感器的电影视频播放器和与其一起使用的单帧CCD图像传感器

    公开(公告)号:US4495516A

    公开(公告)日:1985-01-22

    申请号:US426426

    申请日:1982-09-29

    摘要: A film video player for sensing a color negative film image to produce color positive video signals includes a single frame charge coupled device (CCD) image sensor having an integral color filter array for producing color negative video signals when illuminated with a negative color image. The single frame CCD image sensor is flash illuminated with an image from the color negative film during the vertical retrace intervals of the video signals. Signal processing circuitry inverts and color corrects the signals produced by the sensor to produce color positive video signals. To reduce readout clock frequencies, the single frame image sensor is provided with a pair of parallel output registers. Even numbered columns of the array are read out via one of the registers, and odd numbered columns the other. Odd numbered columns are overlayed with green filter stripes and even numbered columns are overlayed with alternate red and blue stripes. The signals from the output register serving the odd numbered columns are demultiplexed by switching back and forth between two identical output amplifiers.

    摘要翻译: 用于感测彩色底片图像以产生彩色正视频信号的电影视频播放器包括具有整体滤色器阵列的单帧电荷耦合器件(CCD)图像传感器,用于当用负色图像照亮时产生彩色负视频信号。 在视频信号的垂直回扫间隔期间,单帧CCD图像传感器被来自彩色底片的图像闪光照射。 信号处理电路反转和颜色校正由传感器产生的信号,以产生彩色正视频信号。 为了减少读出时钟频率,单帧图像传感器配有一对并行输出寄存器。 阵列的偶数列通过其中一个寄存器读出,奇数列是另一个。 奇数编号的列用绿色滤色片条叠加,偶数列以交替的红色和蓝色条纹叠加。 来自服务于奇数列的输出寄存器的信号通过在两个相同的输出放大器之间来回切换来解复用。