发明申请
US20080143814A1 Pixel Clock Generator, Pulse Modulator, and Image Forming Apparatus
有权
像素时钟发生器，脉冲调制器和图像形成装置
- 专利标题： Pixel Clock Generator, Pulse Modulator, and Image Forming Apparatus
- 专利标题（中）： 像素时钟发生器，脉冲调制器和图像形成装置
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申请号： US11793594申请日： 2006-04-20
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公开(公告)号： US20080143814A1公开(公告)日： 2008-06-19
- 发明人: Naruhiro Masui , Hidetoshi Ema , Nobunari Tsukamoto
- 申请人： Naruhiro Masui , Hidetoshi Ema , Nobunari Tsukamoto
- 优先权： JP2005-128390 20050426
- 国际申请： PCT/JP2006/308794 WO 20060420
- 主分类号： B41J2/435
- IPC分类号： B41J2/435
摘要：
A comparator compares a time interval between a first synchronization signal and a second synchronization signal with a target value, and outputs an error therebetween. A frequency calculator calculates a set value of a pixel clock frequency based on the error output from the comparator, and outputs a frequency specification signal for specifying a pixel clock frequency according to the calculated set value. A frequency divider divides a high frequency clock generated by a high frequency clock generator by a frequency division ratio based on the frequency specification signal output from the frequency calculator, and generates the pixel clock.
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