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    • 3. 发明授权
    • Nozzle state detecting apparatus and image forming apparatus
    • 喷嘴状态检测装置和图像形成装置
    • US08585175B2
    • 2013-11-19
    • US13399908
    • 2012-02-17
    • Toshihiro Hayashi
    • Toshihiro Hayashi
    • B41J29/393
    • B41J2/0459B41J2/0451B41J2/04541B41J2/04573B41J2/04581B41J2/04588B41J2002/14354
    • A plurality of transmission gates provided in mask circuits each having another transmission gate which connects/disconnects an original signal generating circuit to/from a corresponding piezoelectric element (electrode), and a plurality of voltage waveform detecting circuits respectively connected to the electrodes of the respective piezoelectric elements via the former transmission gates are provided exclusively for the respective piezoelectric elements. In detecting an ejection failure of each nozzle, the original signal generating circuit generates a test drive signal enough to prevent each nozzle from ejecting ink to switch all the latter transmission gates on for a certain time, and then switch them off, and switch all the former transmission gates on, so that an ejection failure of the corresponding nozzle is determined based on the vibration period of a voltage waveform detected by the voltage waveform detecting circuit for each piezoelectric element.
    • 设置在各自具有将原始信号发生电路与相应的压电元件(电极)连接/断开的另一个传输门的多个传输门,以及分别连接到相应的压电元件(电极)的电极的多个电压波形检测电路 通过以前的传输门的压电元件专门用于相应的压电元件。 在检测每个喷嘴的喷射故障时,原始信号发生电路产生足够的测试驱动信号,以防止每个喷嘴喷射油墨以将所有后面的传输门打开一段时间,然后将其关闭,并切换所有 基于每个压电元件的电压波形检测电路检测的电压波形的振动周期来确定相应喷嘴的喷射故障。
    • 5. 发明授权
    • Printing strategy for considering variable dot size dependent on peripheral pixel dot recording status
    • 考虑可变点尺寸的打印策略取决于外围像素点记录状态
    • US06966626B2
    • 2005-11-22
    • US10395851
    • 2003-03-25
    • Toshihiro Hayashi
    • Toshihiro Hayashi
    • B41J2/01B41J2/21B41J2/485B41J2/15
    • B41J2/2132
    • The technique is provided that reduces degraded quality in printed results due to nozzles employed to record dots on each pixel in combination with the order in which these dots are recorded on pixels. A plurality of nozzles on a print head are grouped, in order from the nozzles that first reach a point over the print medium, into a first nozzle group, a second nozzle group, and a third nozzle group. During main scanning, certain pixels in main scan lines positioned facing the nozzles of the first nozzle group are targeted for dot recording. All pixels contained in main scan lines positioned facing the nozzles of the second nozzle group are targeted for dot recording. Those pixels among the pixels contained in main scan lines positioned facing the nozzles of the third nozzle group, and that have not previously had dots recorded thereon by the first nozzle group in a previous main scan, are targeted for dot recording. The number of pixels N1 recorded by the first nozzle group and the number of pixels N3 recorded by the third nozzle group in the course of a single main scan is adjusted to a suitable ratio.
    • 提供了这样的技术,即由于用于在每个像素上记录点的喷嘴以及这些点被记录在像素上的顺序,从而降低了打印结果中的劣化质量。 打印头上的多个喷嘴从首先到达打印介质上的点的喷嘴依次分组成第一喷嘴组,第二喷嘴组和第三喷嘴组。 在主扫描期间,面向第一喷嘴组的喷嘴的主扫描线中的某些像素被瞄准用于点记录。 包含在面向第二喷嘴组的喷嘴的主扫描线中的所有像素都被瞄准用于点记录。 包含在主扫描线中的像素在第一喷嘴组中位于第三喷嘴组的喷嘴之前并且之前未被先前主扫描中的第一喷嘴组记录在其上的点被定位成点记录。 在单个主扫描中由第一喷嘴组记录的像素数N 1和由第三喷嘴组记录的像素数N 3被调整为合适的比例。
    • 6. 发明授权
    • Carburetor fuel mixture adjustment assembly
    • 化油器燃油混合调整组件
    • US06491288B2
    • 2002-12-10
    • US09821381
    • 2001-03-29
    • Noriyuu NagataToshihiro Hayashi
    • Noriyuu NagataToshihiro Hayashi
    • F02M308
    • F02M19/04F02M3/10Y10S261/38
    • A carburetor fuel mixture adjustment assembly has a threadable holder which suppresses rotation of a needle valve body disposed within an elongated receptacle defined within a carburetor body. The threadable holder is rigidly engaged within a threading chamber of the receptacle. During assembly, the needle valve body is extended through a bore of the holder as a threading portion of the valve body rotateable cuts an interior threading groove into the threadable holder. The threadable holder is held rigidly within the threading chamber by the carburetor body. A sealing holder is disposed within the receptacle axially inward of the threadable holder and is prevented from rotating within the receptacle by the threadable holder. A stem holder portion of the sealing holder assures a needle portion of the needle valve assembly remains concentrically disposed within an outlet orifice of a fuel chamber of the receptacle. A shank holder portion of the sealing holder engages radially between a shank chamber wall of the carburetor, which axially defines a shank chamber of the receptacle, and the shank portion of the needle valve body disposed concentrically to and axially inward of the threading portion. Engagement of the shank holder portion prevents air from entering through the receptacle and into the sub-atmospheric fuel chamber, thereby assuring stable fuel flow through a fuel passage intersected by the fuel chamber and stable engine operation.
    • 化油器燃料混合物调节组件具有一个可螺纹的保持器,该保持器抑制设置在化油器本体内限定的细长插座内的针阀体的旋转。 可螺纹保持器刚性地接合在容器的穿线室内。 在组装期间,当阀体的螺纹部分可旋转时,针阀体延伸穿过保持器的孔,将内部穿线槽切入可螺纹保持器。 可通过化油器主体将螺纹保持器刚性地保持在穿线室内。 密封保持器设置在容器的轴向内部的螺纹保持器内,并且通过可螺纹保持器防止在容器内旋转。 密封保持器的杆保持器部分确保针阀组件的针部分保持同心地设置在容器的燃料室的出口孔内。 密封保持器的柄保持器部分径向地接合在化油器的柄室壁之间,其轴向地限定了容器的柄室,并且针阀体的柄部分与穿线部分同心地设置并轴向向内设置。 杆支架部分的接合防止空气通过容器进入次大气燃料室,从而确保通过与燃料室相交的燃料通道和稳定的发动机运行的稳定的燃料流动。
    • 8. 发明授权
    • Electromagnetic clutch
    • 电磁离合器
    • US5931274A
    • 1999-08-03
    • US928404
    • 1997-09-12
    • Yusuke SakuraiToshihiro Hayashi
    • Yusuke SakuraiToshihiro Hayashi
    • F16D27/112
    • F16D27/112
    • An electromagnetic clutch for use with a compressor for an automobile air conditioning system includes a back cover provided at an end wall (26) of an armature (15) which moves to engage and disengage a rotor. The back cover has visored slits (30) with visors (30a) which align with arcuate slots (24) of an armature (28). The air between the armature and the rotor is released through the slits to prevent over compression of the air when the armature is attracted to the rotor. The visor of the back cover prevents an oil leaking from the compressor from invading into the contacting surfaces of the clutch through the arcuate slots of the armature (15).
    • 一种与用于汽车空调系统的压缩机一起使用的电磁离合器包括设置在电枢(15)的端壁(26)处的后盖,其移动以接合和分离转子。 后盖具有带有与电枢(28)的弓形槽(24)对准的遮阳板(30a)的遮光狭缝(30)。 电枢和转子之间的空气通过狭缝释放,以防止当电枢被吸引到转子时空气过度压缩。 后盖的遮阳板防止来自压缩机的油泄漏通过衔铁(15)的弓形槽侵入离合器的接触表面。