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    • 4. 发明授权
    • Stress detection method for force sensor device with multiple axis sensor and force sensor device employing this method
    • 采用这种方法的多轴传感器和力传感器装置的力传感器装置的应力检测方法
    • US07472611B2
    • 2009-01-06
    • US12000227
    • 2007-12-11
    • Toshio HanazawaMasaaki OnoTsutomu MiyashitaHiroshi TokunagaHiroshi Ishikawa
    • Toshio HanazawaMasaaki OnoTsutomu MiyashitaHiroshi TokunagaHiroshi Ishikawa
    • G01L1/18
    • G01P15/123G01P15/18G01P21/00G01P2015/084
    • The present invention provides the stress detection method for force sensor device with multiple axis sensor device and force sensor device employing this method, whose installation angle is arbitrary. The stress detection method includes, first and second force sensors whose detection axes are orthogonal to each other. When the detection axis of first force sensor forms angle θ with direction of detected stress Ax, and the stress component of direction perpendicular to direction of the detected stress Ax is Az, output Apx of the axis direction of first force sensor is found as Apx=αx (Ax×cos θ+Az×sin θ), and output Apz of the axis direction of the second force sensor is found as Apz=αz (Ax×sin θ+Az×cos θ), and, when αx and αz are detection sensitivity coefficients of first and second force sensors respectively, the detection sensitivity coefficient αz of second force sensor is set as αz=αx tan θ, and the detected stress Ax is found as Ax=(Apx−Apz)/αx(cos θ−tan θ×sin θ).
    • 本发明提供了具有多轴传感器装置的力传感器装置和采用该方法的力传感器装置的应力检测方法,其安装角度是任意的。 应力检测方法包括检测轴彼此正交的第一和第二力传感器。 当第一力传感器的检测轴与检测到的应力Ax的方向形成角度θ,并且垂直于检测应力的方向的方向的应力分量为Az时,第一力传感器的轴方向的输出Apx被发现为Apx = alxax(Axxcosθ+Azxsinθ)和第二力传感器的轴方向的输出Apz被发现为Apz = alphaz(Axxsinθ+Azxcosθ),并且当alphax和alphaz是第一和第二力的检测灵敏度系数时 传感器的检测灵敏度系数alphaz设为alphaz = alphaxtanθ,检测到的应力Ax为Ax =(Apx-Apz)/ alphax(cosθ-tanthetaxsinθ)。
    • 5. 发明申请
    • Image forming apparatus and controlling method therefor
    • 图像形成装置及其控制方法
    • US20080180472A1
    • 2008-07-31
    • US12077289
    • 2008-03-18
    • Yuji YakuraKenji SuzukiHiroshi TokunagaShinichi Horii
    • Yuji YakuraKenji SuzukiHiroshi TokunagaShinichi Horii
    • B41J29/38
    • B41J2/16526
    • An image forming apparatus for forming an image on a recording medium is disclosed. The image forming apparatus includes a print head (4) having an ink emitting surface (6) in which there are formed a plural number of ink emitting openings (13). An ink is emitted from the ink emitting openings (13) for forming an image on a recording medium. The image forming apparatus also includes an emission controller (41) for controlling the ink emission from the ink emitting openings (13) formed in the ink emitting surface (6). The emission controller (41) is responsive to an input image signal to control the quantity of preliminary ink emission from one or more of the ink emitting openings (13) or to select one or more of the ink emitting openings (13). In this manner, the quantity of the preliminary ink emission from the ink emitting openings (13) is controlled, or one or more of the ink emitting openings (13) is selected, responsive to the image signal, to diminish the wasteful ink emission and to clean the ink emitting openings (13) or the vicinity without damaging the ink emitting surface (6).
    • 公开了一种用于在记录介质上形成图像的图像形成装置。 图像形成装置包括具有油墨发射表面(6)的打印头(4),其中形成有多个喷墨口(13)。 从用于在记录介质上形成图像的墨排出口(13)发出墨。 图像形成装置还包括用于控制从形成在墨水发射表面(6)中的墨水发射开口(13)的墨水排出的排放控制器(41)。 排放控制器(41)响应于输入图像信号来控制来自一个或多个喷墨孔(13)的初步墨水排放量,或者选择一个或多个喷墨孔(13)。 以这种方式,根据图像信号控制从油墨排出口(13)发出的预备油墨的量,或者选择一个或多个喷墨孔(13),以减少浪费的油墨排放, 以清洁墨水排出口(13)或附近,而不会损坏墨水发射表面(6)。
    • 8. 发明授权
    • Manufacturing method for print head
    • 打印头制造方法
    • US06794208B2
    • 2004-09-21
    • US09951941
    • 2001-09-12
    • Atsushi NakamuraShinji KayabaMakoto AndoHiroshi TokunagaShinichi Horii
    • Atsushi NakamuraShinji KayabaMakoto AndoHiroshi TokunagaShinichi Horii
    • H01L2100
    • B41J2/1623B41J2/16B41J2/1625B41J2/1631B41J2202/20
    • A manufacturing method for a print head, in which a substrate member provided with heating elements is laminated to a nozzle-formed member in which ink-ejection nozzles are formed, includes the step of laminating a correcting member having approximately the same coefficient of linear expansion as the substrate member to the nozzle-formed member. A nozzle interval L1 of a nozzle-formed member which doesn't laminate a correcting member at an operating temperature T0 is determined as =L2(1+&agr;2&Dgr;T)/(1+&agr;1&Dgr;T), wherein L2 is the nozzle interval and a heater interval at the operating temperature after the print head is completed; &agr;1 and is the coefficient of linear expansion of the nozzle-formed member; &agr;2 is the coefficient of linear expansion of the correcting member; T1 is the laminating temperature of the nozzle-formed member and the correcting member; and &Dgr;T is the difference between the laminating temperature T1 and the operating temperature T0.
    • 一种打印头的制造方法,其中将具有加热元件的基板部件层压到其上形成有喷墨嘴的喷嘴形成部件,包括层叠具有大致相同的线膨胀系数的校正部件的步骤 作为到喷嘴形成部件的基板部件。 在操作温度T0下不校正校正部件的喷嘴形成部件的喷嘴间隔L1被确定为= L2(1 +α2DeltaT)/(1 +α1DeltaT),其中L2是喷嘴间隔和加热器间隔 在打印头完成后的工作温度下; α1是喷嘴形成部件的线膨胀系数; α2是校正构件的线性膨胀系数; T1是喷嘴形成部件和校正部件的层压温度; 而DeltaT是层压温度T1与工作温度T0之差。
    • 10. 发明授权
    • Ink-jet printer and drive method of recording head for ink-jet printer
    • 喷墨打印机和喷墨打印机记录头的驱动方法
    • US6095630A
    • 2000-08-01
    • US108033
    • 1998-06-30
    • Shinichi HoriiKenji SuzukiYuji YakuraTooru TanikawaYuichiro IkemotoHiroshi Tokunaga
    • Shinichi HoriiKenji SuzukiYuji YakuraTooru TanikawaYuichiro IkemotoHiroshi Tokunaga
    • B41J2/045B41J29/38
    • B41J2/04573B41J2/04581B41J2/04588B41J2/04593
    • An ink-jet printer and a drive method for driving a recording head of an ink-jet printer are provided for controlling a size and a velocity of an ejected ink droplet. The ink-jet printer includes a droplet outlet orifice through which an ink droplet is ejected, an ink chamber communicating with the outlet orifice, an ink feed duct for feeding ink to the ink chamber, and a piezoelectric element for expanding and contracting the ink chamber in response to an applied voltage. A process for ink ejection includes a first step in which a meniscus in the outlet orifice is retracted towards the ink chamber by expanding the ink chamber, a second step in which the meniscus is moved towards the orifice by filling the chamber with ink, and a third step in which an ink droplet is ejected by contracting the ink chamber. The size and the velocity of the ink droplet ejected in the third step are controlled by controlling a position and a velocity of periodic travel of the meniscus at a start point of the third step.
    • 提供喷墨打印机和用于驱动喷墨打印机的记录头的驱动方法,用于控制喷射墨滴的尺寸和速度。 喷墨打印机包括墨滴出口孔,墨滴通过其喷出,与出口孔连通的墨室,用于向油墨室供墨的供墨管,以及用于使墨室膨胀和收缩的压电元件 响应于施加的电压。 一种用于喷墨的方法包括第一步骤,其中出口孔中的弯液面通过扩大墨水腔而朝向墨水腔缩回;第二步骤,其中通过用墨水填充室将弯月面移向孔口,并且 通过收缩墨水室喷射墨滴的第三步骤。 通过控制在第三步骤的起点处的弯液面的周期性行进的位置和速度来控制在第三步骤中喷射的墨滴的尺寸和速度。