发明授权
US4859093A Pixel preheat system for an automated thermal transfer device 失效
用于自动热转印装置的像素预热系统

  • 专利标题: Pixel preheat system for an automated thermal transfer device
  • 专利标题(中): 用于自动热转印装置的像素预热系统
  • 申请号: US170756
    申请日: 1988-03-21
  • 公开(公告)号: US4859093A
    公开(公告)日: 1989-08-22
  • 发明人: Michael A. Plotnick
  • 申请人: Michael A. Plotnick
  • 申请人地址: AZ Scottsdale
  • 专利权人: Kroy Inc.
  • 当前专利权人: Kroy Inc.
  • 当前专利权人地址: AZ Scottsdale
  • 主分类号: B41J2/38
  • IPC分类号: B41J2/38
Pixel preheat system for an automated thermal transfer device
摘要:
A pixel preheat system for a thermal transfer device in which a selected image is transferred from a strip of color carrying ribbon to a strip of image carrying tape achieves precise control of the temperature of the individual pixel heating elements in a thermal printhead by combining the pixel data values just printed with the pixel data values to be printed to generate a pixel preheat value whenever either of the pixel data values is off or white. The present invention maintains the temperature of the individual pixel heating elements closer to the transition temperature of the thermal transfer ribbon and uses fewer circuit components.
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