Patent ID: 6069717
Filing Date: 2000-05-30
Classification: H04N

Abstract:
An image reading apparatus comprising:a CCD line image sensors having a plurality of photoelectric conversion elements for reading red, green blue images;carriage means for carrying a copy;changing means for changing a carrying speed of said carriage means in accordance with an enlargement ratio; andinter-line compensation means for outputting red, green, and blue signals from said CCD line image sensors with output timings of said red, green, and blue signals adjusted to combine respective said red, green, and blue signals to form a line;wherein said carriage means and said changing means generate deviations of lines of two of said red, green, and blue signals from the line of the remaining signal in accordance with said enlargement ratio and said inter-line compensation means compensates said deviation by outputting said red, green, and blue signals by changing outputting timings of said red, green, and blue signals so as to select one of lines of said two of said red, green and blue signals closest to the line to be read.