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    • 7. 发明申请
    • PIXEL CLOCK GENERATOR, OPTICAL SCANNER AND IMAGE FORMING DEVICE INCORPORATING SAME
    • 像素时钟发生器,光学扫描仪和映像形成装置
    • US20140028776A1
    • 2014-01-30
    • US13949635
    • 2013-07-24
    • Shintaro KAWAMURA
    • Shintaro KAWAMURA
    • G02B26/12
    • G02B26/127G02B26/10G02B26/122G03G15/043
    • A pixel clock generator device includes a high frequency clock generator, a phase shift data generator to generate phase shift data for controlling a phase shift amount of a pixel clock, a phase shift data pattern generator to read the phase shift data from the phase shift data generator, generate a pattern of the phase shift data for output, and when outputting a same phase shift data pattern for consecutive scan lines, generate, for a next scan line, a phase shift data pattern in which a pixel clock at a position moved by a random number of pixel clocks from a phase-shift position of a pixel clock in a phase shift data pattern for a current scan line is phase-shifted, and a pixel clock generator to generate, on the basis of a high frequency clock, a pixel clock phase-shifted in accordance with the generated phase shift data pattern.
    • 像素时钟发生器装置包括高频时钟发生器,相移数据发生器,用于产生用于控制像素时钟的相移量的相移数据;相移数据模式发生器,用于从相移数据读取相移数据 产生用于输出的相移数据的图案,并且当为连续的扫描线输出相同的相移数据模式时,对于下一个扫描线,生成相移数据模式,其中移动了位置处的像素时钟 来自当前扫描线的相移数据图案中的像素时钟的相移位置的随机数的像素时钟被相移,并且像素时钟发生器基于高频时钟生成 像素时钟根据所生成的相移数据模式进行相移。