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    • 32. 发明授权
    • Apparatus for driving liquid jet head
    • 用于驱动液体喷头的装置
    • US4639735A
    • 1987-01-27
    • US616703
    • 1984-06-04
    • Mitsuru YamamotoKunio WatanabeJunji Shimoda
    • Mitsuru YamamotoKunio WatanabeJunji Shimoda
    • B05B12/08B41J2/045B41J2/055B41J2/205B41J2/21G01D15/16
    • B41J2/2128
    • An apparatus for driving a liquid jet head comprises: a piezoelectric element which mechanically deforms responsive to an electric signal; a pressure chamber whose volume varies due to the deformation of such element; a discharge port communicated with such chamber; 1st and 2nd charging circuits to charge such element at the same polarity; a discharging circuit to discharge such element; and a control unit for making the 1st charging circuit operative prior to the operation of the 2nd charging circuit. A charge time constant of the 1st charging circuit is set to be sufficiently long that no droplet is emitted. A charge time constant of the 2nd charging circuit is set to be shorter to emit a droplet from the discharge port. The surface tension of the meniscus and the contractive force due to the contraction of the pressure chamber act multiplicatively, so that it is possible to record a droplet of a small dot diameter.
    • 用于驱动液体喷射头的装置包括:响应于电信号机械地变形的压电元件; 容积由于这种元件的变形而变化的压力室; 与该室连通的排出口; 第一和第二充电电路以相同的极性对这些元件充电; 用于对这种元件进行放电的放电电路; 以及用于使第一充电电路在第二充电电路的操作之前工作的控制单元。 第一充电电路的充电时间常数被设定为足够长,没有发射液滴。 第二充电电路的充电时间常数被设定为更短以从排出口发射液滴。 弯月面的表面张力和由于压力室的收缩引起的收缩力作用多次,使得可以记录小点直径的液滴。
    • 33. 发明授权
    • Ink cartridge
    • 墨盒
    • US07556366B2
    • 2009-07-07
    • US11556559
    • 2006-11-03
    • Kiyomitsu KudoJunji ShimodaAkira TsujimotoSatoshi KudoToru Suzuki
    • Kiyomitsu KudoJunji ShimodaAkira TsujimotoSatoshi KudoToru Suzuki
    • B41J2/175
    • B41J2/17523
    • A joint member is made of an elastic member whose cross sectional shape is an almost M-character shape and which has: an inserting portion formed with an opening portion and a slit; an outer edge portion as an outer peripheral portion of the joint member; and a supporting fixing portion for coupling the inserting portion and the outer edge portion on the upper portion side. A cross sectional shape of an opening of the opening portion is a shape of a circular cone frustum in which the opening and a bottom surface are coupled via an inclined surface. The slit is formed in the rectangular bottom surface. The joint member is sandwiched between a casing and a pressing plate. The inserting portion and the supporting fixing portion exist in planes which are different in the inserting direction of a liquid supply needle.
    • 接头构件由横截面形状几乎为M字形的弹性构件制成,并具有:形成有开口部分和狭缝的插入部分; 作为接合部件的外周部的外缘部; 以及用于将插入部分和外边缘部分连接在上部侧上的支撑固定部分。 开口部分的开口的横截面形状是圆锥截头锥体的形状,其中开口和底表面经由倾斜表面联接。 狭缝形成在矩形底面。 接合构件夹在壳体和压板之间。 插入部和支撑固定部存在于与供液针的插入方向不同的平面中。
    • 34. 发明授权
    • Ink cartridge
    • 墨盒
    • US07552997B2
    • 2009-06-30
    • US10513477
    • 2004-04-23
    • Toru SuzukiJunji ShimodaAkira TsujimotoKiyomitsu Kudo
    • Toru SuzukiJunji ShimodaAkira TsujimotoKiyomitsu Kudo
    • B41J2/14
    • B41J2/17509
    • An ink cartridge which is detachably mountable to an ink cartridge mounting portion of a recording device, the recording device having an ink jet recording head which is provided with a head side connecting portion which functions upon intermittent ink filling, the ink cartridge being provided with a cartridge side connecting portion which is connectable with the head side connecting portion, and the ink cartridge being capable of containing ink to be supplied through the cartridge side connecting portion, the ink cartridge includes a power receiving portion, wherein an intermittent connection between the head side connecting portion and the cartridge side connecting portion is effected using rotation, the receiving portion being effective to receive power for the rotation; wherein the power receiving portion and the cartridge side connecting portion are disposed in a region adjacent one end portion of the ink cartridge.
    • 一种可拆卸地安装到记录装置的墨盒安装部分的墨盒,该记录装置具有一个喷墨记录头,该喷墨记录头具有在间歇填墨时起作用的头侧连接部分,墨盒设置有 墨盒侧连接部分,其可与头侧连接部分连接,并且墨盒能够容纳通过墨盒侧连接部分供应的墨水,墨盒包括电源接收部分,其中头部侧面之间的间歇连接 连接部分和盒侧连接部分通过旋转实现,接收部分有效地接收用于旋转的动力; 其中所述电力接收部分和所述盒侧连接部分设置在与所述墨盒的一个端部相邻的区域中。
    • 35. 发明申请
    • LIQUID STORAGE CONTAINER AND RECORDING APPARATUS
    • 液体储存容器和记录装置
    • US20090135236A1
    • 2009-05-28
    • US12065726
    • 2006-11-14
    • Junji Shimoda
    • Junji Shimoda
    • B41J2/175B41J29/38
    • B41J2/17546B41J11/0095
    • A liquid container detachably mountable to a recording apparatus, wherein the recording apparatus includes a feeding passage for feeding a recording material, a carriage for scanningly moving a recording head in a direction crossing with a feeding direction of the recording material, and a mounting portion to which the liquid container is mountable, the liquid container includes light reflection means capable of reflecting light from a light emitting portion of the recording apparatus to a first light receiving portion provided in the carriage and to a second light receiving portion provided in a feeding passage of recording material.
    • 一种可拆卸地安装到记录装置的液体容器,其中记录装置包括用于馈送记录材料的进给通道,用于沿与记录材料的进给方向交叉的方向扫描地移动记录头的托架,以及安装部分 液体容器可安装在液体容器中,液体容器包括能够将来自记录装置的发光部分的光反射到设置在滑架中的第一光接收部分的光反射装置和设置在载体中的第二光接收部分, 录音材料。
    • 39. 发明授权
    • Ink jet recording method and ink jet recording apparatus
    • 喷墨记录方法和喷墨记录装置
    • US5900891A
    • 1999-05-04
    • US9737
    • 1998-01-20
    • Junji Shimoda
    • Junji Shimoda
    • B41J2/21B41J2/07B41J2/505B41M5/00B41J2/205
    • B41J2/5056
    • To record a monochromatic image and a color image with a suitable amount of ink, the ink jet apparatus sets an ejecting frequency of ink droplets in printing the monochromatic image with one recording head to be double an ejecting frequency in printing the color image with plural recording heads. Alternatively, scanning speed of recording heads in printing the color image with plural recording heads is set to be double the speed in printing the monochromatic image with one recording head. This assures that the maximum number of the ink droplets ejected within one pixel of the recording medium from recording heads in printing the monochromatic image is equal to the maximum number in printing the color image.
    • 为了用合适量的墨水记录单色图像和彩色图像,喷墨装置在用多个记录打印彩色图像时,将具有一个记录头的单色图像打印成喷射频率的两倍来设置墨滴的喷射频率 头。 或者,将用多个记录头打印彩色图像的记录头的扫描速度设定为使用一个记录头打印单色图像的速度的两倍。 这确保在打印单色图像时从记录头的一个像素内喷射的墨滴的最大数量等于打印彩色图像的最大数量。
    • 40. 发明授权
    • Ink-jet printing method and apparatus therefor
    • 喷墨打印方法及其装置
    • US5838340A
    • 1998-11-17
    • US508305
    • 1995-07-27
    • Junji Shimoda
    • Junji Shimoda
    • B41J2/175B41J2/05B41J2/12B41J2/125
    • B41J2/04528B41J2/0454B41J2/04553B41J2/04563B41J2/04573B41J2/0458B41J2/04588B41J2/04591B41J2/04598
    • An ink-jet printing apparatus can obtain good image quality and improve reliability by avoiding possibility of failure of the head. A target temperature, at which ejection of ink through an ink-jet printing head becomes the most stable is set. Also, a difference between the target temperature and an actual temperature of the ink-jet printing head is derived. When the difference is positive, the drive signal includes a pre-heating pulse and a main heating pulse having an interval therebetween. The pulse width or the interval is properly set. When the drive signal is negative, only the main heating pulse is included. When the absolute value of the difference is large, the pulse widths are set smaller. At this time, a drive frequency is lowered or a resting period at opposite end positions in the scanning directions is prolonged.
    • 喷墨打印设备可以通过避免头部故障的可能性而获得良好的图像质量并提高可靠性。 设定通过喷墨打印头的墨水喷出成为最稳定的目标温度。 此外,导出喷墨打印头的目标温度和实际温度之间的差异。 当差为正时,驱动信号包括预热脉冲和主加热脉冲之间的间隔。 脉冲宽度或间隔正确设置。 当驱动信号为负时,仅包括主加热脉冲。 当差的绝对值大时,将脉冲宽度设定得较小。 此时,驱动频率降低或在扫描方向的相对端位置处的静止期延长。