Refreshing and recovering ink discharge in a multi-color ink jet recording apparatus
    11.
    发明授权
    Refreshing and recovering ink discharge in a multi-color ink jet recording apparatus 失效
    在多色喷墨记录装置中刷新和恢复墨水排放

    公开(公告)号:US06527361B1

    公开(公告)日:2003-03-04

    申请号:US08250678

    申请日:1994-05-26

    IPC分类号: B41J2165

    CPC分类号: B41J2/1652

    摘要: This ink jet recording apparatus makes it possible to reduce the requisite number of times that preliminary ejection is performed for the purpose of ejection recovery through suction, which must be effected to such a degree as to make color mixing on the recording paper sufficiently inconspicuous. With a plurality of recording heads using inks of different lightnesses, ejection recovery is performed successively on the recording heads in accordance with the descending order of ink lightness. In addition, the number of preliminary ejections after ejection recovery to be performed on the next recording head is also controlled, thereby attaining a still greater effect. In a method aspect, the present invention includes an initial discharge step for discharging ink from a recording head, interrupting the discharge of ink for an appropriate period set in accordance with the ink lightness, and discharging ink again from the discharge ports of the recording head after the interruption.

    摘要翻译: 该喷墨记录装置使得可以减少为了通过抽吸进行喷射恢复的目的而进行预喷射所需的次数,这必须达到使记录纸上的颜色混合足够不显眼的程度。 利用使用不同亮度的墨的多个记录头,根据墨水亮度的降序依次在记录头上执行喷射恢复。 此外,还可以控制在下一个记录头上执行喷射恢复之后的预喷射次数,从而获得更大的效果。 在方法方面,本发明包括一个用于从记录头排放墨水的初始放电步骤,中断根据墨水亮度设定的适当时间的墨水排出,并且再次从记录头的排出口排出墨水 中断后

    Ink printing method and ink printer
    12.
    发明授权
    Ink printing method and ink printer 有权
    墨水打印方式和墨水打印机

    公开(公告)号:US06471348B1

    公开(公告)日:2002-10-29

    申请号:US09469304

    申请日:1999-12-22

    IPC分类号: G01D1100

    CPC分类号: B41J2/2114

    摘要: There are used heads which eject a black (Bk) ink and processing liquid of relatively low penetrability, respectively, and heads which eject cyan (C), magenta (M) and yellow (Y) inks of high penetrability, also respectively. When monochromic characters or images are to be printed, the Bk ink and processing liquid are ejected in this order, and then the C, M and Y inks are ejected while being thinned out. When color images are to be printed, on the other hand, the processing liquid is ejected first, and the C, M or Y ink, depending on the color of the images to be printed, is ejected. This allows the processing liquid to react with the Bk or color ink, to realize high OD, and high-speed fixation by penetrability of the color ink.

    摘要翻译: 分别使用喷出黑色(Bk)墨水和相对低渗透性的处理液的头部,以及分别喷出高穿透性的青色(C),品红色(M)和黄色(Y)墨水的头部。 要打印单色字符或图像时,Bk墨水和处理液按此顺序排出,然后将C,M和Y墨水均匀地排出。 另一方面,当要打印彩色图像时,首先喷射处理液体,并且根据要打印的图像的颜色喷射C,M或Y墨水。 这使得处理液体能够与Bk或彩色墨水反应,以实现高OD,并通过彩色墨水的穿透性进行高速定影。

    Ink jet printing system having heat keeping function
    17.
    发明授权
    Ink jet printing system having heat keeping function 失效
    具有保温功能的喷墨打印系统

    公开(公告)号:US06227641B1

    公开(公告)日:2001-05-08

    申请号:US08885179

    申请日:1997-06-30

    IPC分类号: B41J201

    摘要: An ink jet head supplies an ejection heater arranged in a liquid path with a driving signal to impart heat energy to ink to thereby generate a bubble therein. The bubble is caused to communicated with the atmospheric air, and ink is ejected through an ejection outlet. A heat keeping circuit supplies the ejection heater with a driving pulse having a time width insufficient for causing ink to be ejected during non-printing period in an appropriate duty corresponding to the head temperature condition, thereby causing the ejection heater to generate heat to effect heat keeping on the head, whereby a low-cost thermal ink jet printing system is provided which does not entail a variation in ejection amount during printing.

    摘要翻译: 喷墨头用布置在液体通道中的喷射加热器提供驱动信号,以向油墨提供热能,从而在其中产生气泡。 使气泡与大气相通,墨水通过喷射出口喷出。 保温电路为喷射加热器提供驱动脉冲,该驱动脉冲的时间宽度不足以在非打印期间以与头部温度条件相应的适当负载喷射墨水,从而使喷射加热器产生热量以产生热量 保持在头上,由此提供了低成本的热喷墨打印系统,其不会在打印期间引起喷射量的变化。

    Ink jet recording apparatus having residual quantity detection unit and
residual quantity detection method thereof
    20.
    发明授权
    Ink jet recording apparatus having residual quantity detection unit and residual quantity detection method thereof 失效
    具有残留量检测单元和剩余量检测方法的喷墨记录装置

    公开(公告)号:US5975665A

    公开(公告)日:1999-11-02

    申请号:US542783

    申请日:1995-10-13

    IPC分类号: B41J2/175 B41J2/195

    摘要: According to the present invention, there is provided an ink jet recording apparatus for recording an image on a recording medium by discharging ink to the surface of the recording medium, wherein ink is reserved in an ink tank including a negative pressure generating member, such as an absorber and a foaming member, and a function of accurately detecting the residual quantity such that depletion to a predetermined level can be detected is realized. Light emitted by a photointerrupter is allowed to pass through a portion of a wall surface of the ink tank made of transparent plastic or the like which is transmissible with respect to detection light emitted by the photointerrupter to detect change in the light reflectance in the boundary portion between the wall surface and the ink absorber. In accordance with reflectance obtained in a case where no ink exists in the detected portion and that obtained in a case where ink exists, the residual quantity of ink can be detected.

    摘要翻译: 根据本发明,提供一种喷墨记录装置,用于通过将油墨喷射到记录介质的表面上将图像记录在记录介质上,其中油墨保留在包括负压产生部件的墨罐中,例如 吸收器和发泡构件,并且实现了能够精确地检测残留量从而能够检测到耗尽到预定水平的功能。 允许由光电断路器发射的光通过由透光塑料等制成的墨槽的壁面的一部分,该透明塑料等相对于由光断续器发射的检测光可透射,以检测边界部分中的光反射率的变化 在壁表面和吸墨体之间。 根据在检测部分中不存在油墨而获得的反射率和在存在油墨的情况下获得的反射率,可以检测油墨的剩余量。