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    • 2. 发明授权
    • Method of adjusting the velocity of a printhead carriage according to the temperature of the printhead
    • 根据打印头的温度来调节打印头滑架的速度的方法
    • US07040731B2
    • 2006-05-09
    • US10707936
    • 2004-01-26
    • Sheng-Lung TsaiChi-Lun Chen
    • Sheng-Lung TsaiChi-Lun Chen
    • B41J29/38
    • B41J29/393
    • A method for controlling printing quality in an inkjet printer having a printhead with a plurality of nozzles. The printhead is mounted in a carriage, and the carriage is moved to repeatedly pass the printhead across a print medium in individual swaths. The method includes firing individual nozzles repeatedly during each swath to apply an ink pattern to the print medium, measuring the temperature of the printhead prior to each swath, comparing the temperature of the printhead to at least one reference temperature, and if the temperature of the printhead is greater than the reference temperature, raising the velocity of the carriage during the upcoming swath for ensuring that a distance ink is ejected from the printhead to the print medium is kept substantially constant during each swath.
    • 一种用于控制具有多个喷嘴的打印头的喷墨打印机中的打印质量的方法。 打印头安装在托架中,托架被移动以使打印头反复地穿过单独条纹的打印介质。 该方法包括在每个条纹期间重复地点燃各个喷嘴以将油墨图案施加到打印介质上,在每个条纹之前测量打印头的温度,将打印头的温度与至少一个参考温度进行比较,以及如果 打印头大于参考温度,从而提高在即将到来的条纹期间托架的速度,以确保在每个条纹期间将墨水从打印头喷射到打印介质上保持基本恒定。
    • 3. 发明申请
    • METHOD OF ADJUSTING THE VELOCITY OF A PRINTHEAD CARRIAGE ACCORDING TO THE TEMPERATURE OF THE PRINTHEAD
    • 调整PRINTHEAD运动速度的方法,适用于PRINTHEAD的温度
    • US20050162454A1
    • 2005-07-28
    • US10707936
    • 2004-01-26
    • Sheng-Lung TsaiChi-Lun Chen
    • Sheng-Lung TsaiChi-Lun Chen
    • B41J2/05B41J2/125B41J29/38B41J29/393
    • B41J29/393
    • A method for controlling printing quality in an inkjet printer having a printhead with a plurality of nozzles. The printhead is mounted in a carriage, and the carriage is moved to repeatedly pass the printhead across a print medium in individual swaths. The method includes firing individual nozzles repeatedly during each swath to apply an ink pattern to the print medium, measuring the temperature of the printhead prior to each swath, comparing the temperature of the printhead to at least one reference temperature, and if the temperature of the printhead is greater than the reference temperature, raising the velocity of the carriage during the upcoming swath for ensuring that a distance ink is ejected from the printhead to the print medium is kept substantially constant during each swath.
    • 一种用于控制具有多个喷嘴的打印头的喷墨打印机中的打印质量的方法。 打印头安装在托架中,托架被移动以使打印头反复地穿过单独条纹的打印介质。 该方法包括在每个条纹期间重复地点燃各个喷嘴以将油墨图案施加到打印介质上,在每个条纹之前测量打印头的温度,将打印头的温度与至少一个参考温度进行比较,以及如果 打印头大于参考温度,从而提高在即将到来的条纹期间托架的速度,以确保在每个条纹期间将墨水从打印头喷射到打印介质上保持基本恒定。
    • 4. 发明申请
    • PRINTER AND RELATED APPARATUS FOR ADJUSTING INK-JET ENERGY ACCORDING TO PRINT-HEAD TEMPERATURE
    • 打印机和相关装置,用于根据打印头温度调节喷墨能量
    • US20050116971A1
    • 2005-06-02
    • US10904761
    • 2004-11-26
    • Sheng-Lung Tsai
    • Sheng-Lung Tsai
    • B41J2/05B41J29/38
    • B41J2/04555B41J2/04563B41J2/0458B41J2/04588
    • An ink-jet printer includes a negative thermal coefficient thermistor for sensing temperature of the print head, and a monostable multivibrator, connected to the thermistor and a capacitor for realizing a pulse duration control circuit, such that the pulse duration control circuit generates a print enable signal with a duration corresponding to resistance of the thermistor. When the printer starts to jet ink, it supplies energy according to the duration of the print enable signal to heat ink, so that if temperature of the print head rises, the duration of the print enable signal decreases and energy supplied to heat ink will become less accordingly, thus degradation of printing due to heat accumulation is avoided.
    • 喷墨打印机包括用于感测打印头温度的负热系数热敏电阻和连接到热敏电阻的单稳态多谐振荡器和用于实现脉冲持续时间控制电路的电容器,使得脉冲持续时间控制电路产生打印使能 信号,其持续时间对应于热敏电阻的电阻。 当打印机开始喷墨时,它根据打印使能信号的持续时间提供能量以加热墨水,使得如果打印头的温度升高,则打印使能信号的持续时间减少,并且加热墨水的能量将变为 因此,因此避免了由于热积聚导致的打印劣化。
    • 5. 发明授权
    • Ink jet printing apparatus with ink level detection
    • 具有墨水量检测的喷墨打印设备
    • US06799837B1
    • 2004-10-05
    • US10604262
    • 2003-07-07
    • Chi-Lun ChenSheng-Lung Tsai
    • Chi-Lun ChenSheng-Lung Tsai
    • B41J205
    • B41J2/14153B41J2/17546B41J2/17566
    • A printing apparatus includes a printhead and an ink volume detecting circuit. The printhead contains a plurality of first heating elements for heating ink supplied to the printhead to generate bubbles in the ink and eject the ink through corresponding nozzles. The printhead also contains a second heating element for heating the ink supplied to the printhead, a resistance value of the second heating element being less than the resistance value of each first heating element, and the low resistance value of the second heating element causing the second heating element to burn out and create an open circuit if the volume of the ink is less than a predetermined level. The ink volume detecting circuit is connected to the second heating element for determining if the volume of the ink supplied to the printhead is less than the predetermined level based on a condition of the second heating element.
    • 打印装置包括打印头和墨水量检测电路。 打印头包含多个第一加热元件,用于加热供应到打印头的墨水,以在墨水中产生气泡并通过相应的喷嘴喷射墨水。 打印头还包括用于加热供应到打印头的墨的第二加热元件,第二加热元件的电阻值小于每个第一加热元件的电阻值,第二加热元件的低电阻值导致第二加热元件 加热元件烧坏并且如果墨水的体积小于预定水平则产生开路。 墨水量检测电路连接到第二加热元件,用于基于第二加热元件的状况确定供应到打印头的墨水的容积是否小于预定水平。