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    • 5. 发明授权
    • Thermal printer and energizing control method therefor
    • 热敏打印机及其通电控制方法
    • US08638351B2
    • 2014-01-28
    • US13505603
    • 2010-10-26
    • Koji YamadaHitoshi Ishino
    • Koji YamadaHitoshi Ishino
    • B41J2/00
    • B41J2/355
    • A thermal printer having a thermal head with a heat element that heats a recording medium and forms a print dot by energizing the heat element generates a first energizing pulse that energizes continuously during a first period for forming a print dot when the recording medium conveyance speed is greater than a specific threshold value; and generates a second energizing pulse that alternates during the first period between energizing for a second period that is shorter than the first period and de-energizing for a third period when the recording medium conveyance speed is less than or equal to the threshold value.
    • 一种热敏打印机,其具有加热元件的热​​敏头,该加热元件通过加热元件来加热记录介质并形成打印点,从而在记录介质传送速度为 大于特定阈值; 并且产生第二激励脉冲,其在所述第一周期期间在激励期间比所述第一周期短的第二周期期间交替,并且当所述记录介质输送速度小于或等于所述阈值时,断开第三周期。