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    • 34. 发明申请
    • PRINTHEAD, HEAD CARTRIDGE, AND PRINTING APPARATUS
    • PRINTHEAD,头盒和打印设备
    • US20090009545A1
    • 2009-01-08
    • US11953990
    • 2007-12-11
    • Yasunori TakeiKimiyuki HayasakiMasahiko OgawaYuichiro Akama
    • Yasunori TakeiKimiyuki HayasakiMasahiko OgawaYuichiro Akama
    • B41J29/38
    • B41J2/0458B41J2/04541
    • An object of this invention is to provide a printhead tolerant of switching noise occurred when concurrently driving plural printing elements, a head cartridge using the printhead, and a printing apparatus. To achieve this object, a printhead includes plural printing elements and plural driving elements for driving the plural printing elements, and prints by these printing elements. The printhead includes the following arrangement. More specifically, the printhead includes a shift register which receives print data in synchronism with a clock signal, and a latch circuit which latches the print data input to the shift register in synchronism with a latch signal. The printhead further includes a restriction circuit which restricts input of the print data and clock signal to the shift register and input of the latch signal to the latch circuit in synchronism with input of an enable signal for driving the plural driving elements.
    • 本发明的一个目的是提供当同时驱动多个打印元件时产生的开关噪声的打印头容忍性,使用打印头的打印头盒和打印装置。 为了实现该目的,打印头包括多个打印元件和用于驱动多个打印元件的多个驱动元件,并且由这些打印元件打印。 打印头包括以下布置。 更具体地,打印头包括与时钟信号同步地接收打印数据的移位寄存器以及与锁存信号同步地将输入到移位寄存器的打印数据锁存的锁存电路。 该打印头还包括一个限制电路,其将打印数据和时钟信号的输入限制到移位寄存器,并且与用于驱动多个驱动元件的使能信号的输入同步地将锁存信号输入到锁存电路。
    • 36. 发明申请
    • LIQUID EJECTION HEAD
    • 液体喷射头
    • US20080291245A1
    • 2008-11-27
    • US12126728
    • 2008-05-23
    • Yasunori Takei
    • Yasunori Takei
    • B41J2/14
    • B41J2/1404B41J2/1433B41J2002/14475
    • A liquid ejection head capable of achieving satisfactory printing without nozzle misfiring in an area close to an end of a nozzle row and droplet misdirection is provided. The ejection orifices, except for dummy orifices, are provided with protrusions. Four operative ejection orifices located close to each of the ends of each ejection orifice row are defined as end-located ejection orifices. Each of the protrusions provided in the end-located ejection orifices has a shorter length than that of the protrusion provided in the ejection orifice located in the central portion of the nozzle row.
    • 提供一种能够在接近喷嘴列的端部和液滴错误方向的区域中实现满意的打印而不喷嘴失火的液体喷射头。 除了虚拟孔之外,喷射孔具有凸起。 位于每个喷射口排的每个端部附近的四个操作喷射孔被定义为端部定位的喷射孔。 设置在端部位置的喷射孔中的每个突起的长度比位于喷嘴列的中心部分中的喷射孔中的突起的长度短。
    • 37. 发明授权
    • Portable gas detector
    • 便携式气体检测仪
    • US07178381B2
    • 2007-02-20
    • US10914890
    • 2004-08-09
    • Shuji TajimaYasunori Takei
    • Shuji TajimaYasunori Takei
    • G01P1/02
    • G01N1/2205G01N1/24G01N2001/2276
    • The invention provides a portable gas detector which is equipped with filters for removal of interfering gases, high in convenience for use, easy to exchange the filters, and easy to confirm the time the filters are exchanged. The portable gas detector has a housing in the form of a slim and flat box holdable by grasping with a hand, and a foreside half portion in the interior of the housing is provided as functional part region, in which a plurality of gas sensors are arranged in a state fixed by a holder and a cap, in the interior of which a gas flowing path has been formed. At a position corresponding to at least one gas sensor in the sensor cap exposed to the back surface of the housing, a filter assembly for removal of an interfering gas component related to the gas sensor is detachably provided.
    • 本发明提供一种便携式气体检测器,其配备有用于去除干扰气体的过滤器,使用方便性高,便于更换过滤器,并且易于确认过滤器被更换的时间。 便携式气体检测器具有通过用手抓住而保持的纤细和扁平盒形式的壳体,并且壳体内部的前半部分被设置为功能部分区域,其中布置有多个气体传感器 在由保持器和盖固定的状态下,在其内部形成有气体流动路径。 在对应于暴露于壳体的后表面的传感器盖中的至少一个气体传感器的位置处,可拆卸地提供用于去除与气体传感器相关的干扰气体成分的过滤器组件。
    • 39. 发明授权
    • Ink jet recording head
    • 喷墨记录头
    • US08646863B2
    • 2014-02-11
    • US13016873
    • 2011-01-28
    • Yasunori Takei
    • Yasunori Takei
    • B41J29/38
    • B41J2/1404B41J2/14145
    • An ink jet recording head includes a nozzle array and discharge energy generation elements. The nozzles include discharge ports to discharge liquid when recording, pressure chambers to communicate with respective discharge ports, and liquid flow paths to supply liquid to the respective pressure chambers. The discharge energy generation elements apply discharge energy to the pressure chambers to discharge liquid from the nozzles in a predetermined order during time-division driving. Arranging intervals of the liquid flow paths take at least two different values. When a drive timing difference average between the adjacent discharge energy generation elements is calculated by a particular expression, a relationship of D≧Y is satisfied between an interval D and an interval Y in a k-th discharge energy generation element and a k+1-th discharge energy generation element positioned adjacent to the k-th discharge energy generation element. The intervals D and Y represent distances between particular liquid flow paths.
    • 喷墨记录头包括喷嘴阵列和排出能量产生元件。 这些喷嘴包括在记录时排出液体的排出口,与各个排出口连通的压力室以及将液体供应到各个压力室的液体流路。 放电能量产生元件将放电能量施加到压力室,以在分时驱动期间以预定顺序从喷嘴排出液体。 液体流路的排列间隔取至少两个不同的值。 当通过特定表达式计算相邻放电能量产生元件之间的驱动定时差平均时,在第k个放电能量产生元件中的间隔D和间隔Y之间满足D> = Y的关系,并且k + 位于与第k放电能量产生元件相邻的第1放电能量产生元件。 间隔D和Y表示特定液体流路之间的距离。