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    • 46. 发明授权
    • Ink jet recording apparatus and ink jet recording method
    • 喷墨记录装置和喷墨记录方法
    • US07270389B2
    • 2007-09-18
    • US10424095
    • 2003-04-28
    • Tomoyuki InoueMinoru NozawaHiroshi Yamada
    • Tomoyuki InoueMinoru NozawaHiroshi Yamada
    • B41J29/38
    • B41J2/04513B41J2/0458B41J2/04588B41J2/04598
    • An ink jet recording apparatus can effectively extend its lifetime with regard to disconnection without acceleration of deterioration of the heater element with aging, and can avoid adverse effects owing to its use environment, the deteriorated state of the heater element, scattering in recording heads at manufacturing, and the like. Because deterioration of recorded images caused by disconnection in heaters can be avoided, stable image quality can be obtained. The ink jet recording apparatus has a plurality of heater elements in a recording head thereof, for ejecting ink by heating of the heater elements, and includes a control unit for executing driving control of the heater elements. The same heater element is driven for recording under different driving conditions, independently of recording data.
    • 喷墨记录装置可以有效地延长其断开的寿命,而不会随着加热器元件的老化而加速劣化,并且可以避免由于其使用环境而引起的不利影响,加热器元件的劣化状态在制造过程中在记录头中的散射 ,等等。 由于可以避免加热器断线引起的记录图像的劣化,可以获得稳定的图像质量。 喷墨记录装置在其记录头中具有多个加热器元件,用于通过加热加热器元件来喷射墨水,并且包括用于执行加热器元件的驱动控制的控制单元。 在不同的驾驶条件下驱动相同的加热器元件进行记录,与记录数据无关。
    • 48. 发明授权
    • Ink jet printing apparatus and printing head
    • 喷墨打印设备和打印头
    • US06499821B1
    • 2002-12-31
    • US09619487
    • 2000-07-19
    • Minoru Nozawa
    • Minoru Nozawa
    • B41J2938
    • B41J2/04503B41J2/04536B41J2/04563B41J2/04573B41J2/0458B41J2/04591B41J19/145B41J2002/14387
    • A printing apparatus includes a unit which counts the number of drive pulses applied to a print head and accumulatively stores the number of the drive pulses from the start of initial use of the printing head, and a unit which measures a temperature of the printing head and a time elapsed at the temperature in conjunction with each other, and stores a temperature history. The printing apparatus controls a timing of ink ejection from the printing head and an amount of ink to be ejected by adjusting a width of the drive pulses dependently on stored contents (a use history of the printing head) to maintain a stable image quality by adequately preventing ejecting characteristics and dot forming locations on a printing medium from being varied due to a use history of the print head.
    • 打印装置包括对从打印头的初始使用开始计算施加到打印头的驱动脉冲数并累加存储从打印头的初始使用开始的驱动脉冲数的单元,以及测量打印头的温度的单元和 在温度下相互结合的时间,并存储温度历史。 打印装置根据存储的内容(打印头的使用历史)调节驱动脉冲的宽度,通过适当地保持稳定的图像质量来控制从打印头喷射的墨的定时和要喷射的墨的量 防止打印介质上的喷射特性和点形成位置由于打印头的使用历史而变化。