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    • 1. 发明申请
    • DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
    • 开发设备,图像形成装置和图像形成方法
    • US20080160437A1
    • 2008-07-03
    • US11954119
    • 2007-12-11
    • Tamotsu ShimizuMinoru Wada
    • Tamotsu ShimizuMinoru Wada
    • G03G13/04G03G15/08
    • G03G15/0806G03G15/065
    • A developing device is provided to suppress image density unevenness by adjusting conditions of toner adhesion to an amorphous silicon photoconductor to a suitable range even when using both an amorphous silicon photoconductor and a nonmagnetic monocomponent toner and practicing development in a non-contact system. The developing device satisfies the relational expression: (f×1.5/θ)2>−1.576×10−2×q/m×(Vpp/Ds2)+31.9×106 where Ds (m) is a distance between the photoconductor and the toner carrier, f (Hz) is a frequency of an AC bias applied to the toner carrier, Vpp (V) is an amplitude of the AC bias, θ (−) is a ratio of a peripheral speed of the toner carrier to a peripheral speed of the amorphous silicon photoconductor, and q/m (C/kg) is a charge quantity per unit mass of the toner.
    • 提供了一种显影装置,即使使用非晶硅光电导体和非磁性单组分调色剂,并且在非接触式系统中实施显影时,通过将调色剂粘合到非晶硅光电导体的条件调节到适当的范围来抑制图像浓度不均匀。 显影装置满足关系式:<?in-line-formula description =“In-line formula”end =“lead”?>(fx1.5 / theta)2 > - 1.576x10 < SUP> -2×q / m×(Vpp /Ds≥2)+ 31.9×10 6 <?in-line-formula description =“In-line Formulas” end =“tail”?>其中Ds(m)是感光体和调色剂载体之间的距离,f(Hz)是施加到调色剂载体上的AC偏压的频率,Vpp(V)是AC 偏置θ( - )是调色剂载体的圆周速度与非晶硅感光体的圆周速度的比率,q / m(C / kg)是调色剂的每单位质量的电荷量。
    • 2. 发明授权
    • Developing device, image forming apparatus, and image forming method
    • 显影装置,成像装置和图像形成方法
    • US08000631B2
    • 2011-08-16
    • US11954119
    • 2007-12-11
    • Tamotsu ShimizuMinoru Wada
    • Tamotsu ShimizuMinoru Wada
    • G03G13/04
    • G03G15/0806G03G15/065
    • A developing device is provided to suppress image density unevenness by adjusting conditions of toner adhesion to an amorphous silicon photoconductor to a suitable range even when using both an amorphous silicon photoconductor and a nonmagnetic monocomponent toner and practicing development in a non-contact system. The developing device satisfies the relational expression: (f×1.5/θ)2>−1.576×10−2×q/m×(Vpp/Ds2)+31.9×106 where Ds (m) is a distance between the photoconductor and the toner carrier, f (Hz) is a frequency of an AC bias applied to the toner carrier, Vpp (V) is an amplitude of the AC bias, θ (−) is a ratio of a peripheral speed of the toner carrier to a peripheral speed of the amorphous silicon photoconductor, and q/m (C/kg) is a charge quantity per unit mass of the toner.
    • 提供了一种显影装置,即使使用非晶硅光电导体和非磁性单组分调色剂,并且在非接触式系统中实施显影时,通过将调色剂粘合到非晶硅光电导体的条件调节到适当的范围来抑制图像浓度不均匀。 显影装置满足关系式:(f×1.5 /&amp; tt;)2> -1.576×10-2×q / m×(Vpp / Ds2)+ 31.9×106其中Ds(m)是感光体与 调色剂载体f(Hz)是施加到调色剂载体上的AC偏压的频率,Vpp(V)是AC偏置的幅度; ( - )是调色剂载体的圆周速度与非晶硅感光体的圆周速度的比率,q / m(C / kg)是调色剂的每单位质量的电荷量。
    • 4. 发明申请
    • PROCESS FOR PRODUCING CLEANING SHEET
    • 生产清洁用纸的工艺
    • US20110126388A1
    • 2011-06-02
    • US12992559
    • 2009-05-25
    • Keima TakabayashiMinoru WadaKazutoshi Ootsuka
    • Keima TakabayashiMinoru WadaKazutoshi Ootsuka
    • D04H1/42D04H1/46D04H1/54
    • A47L13/16D04H1/435D04H1/48D04H1/482D04H1/492D04H1/495D04H1/498D04H1/54D04H5/03D04H5/06
    • A laminate (6) is prepared by superposing a fibrous web (1a), (1b) containing fibers comprising polyethylene terephthalate on one side or both sides of a net-form sheet (4); water needling the fibrous web (1a), (1b) to entangle the fibers of the fibrous web (1a), (1b) with each other, and also to entangle the fibers of the fibrous web (1a), (1b) with the net-form sheet (4); and then, blowing hot air having a temperature above the glass transition temperature (Tg (° C.)) of the polyethylene terephthalate and below “Tg (° C.)+70° C.” to the laminate (6) by through-air technique. Preferably, after preparing the laminate (6) by entangling the fibers of the fibrous web(s) (1a), (1b) with the net-form sheet (4), the laminate (6) is dried with hot air; and then hot air is blown to the laminate (6) by through-air technique.
    • 通过将包含聚对苯二甲酸乙二醇酯的纤维的纤维网(1a)(1b)叠置在网状片材(4)的一侧或两侧上来制备层压体(6); 水针刺纤维网(1a),(1b)使纤维网(1a),(1b)的纤维彼此缠结,并使纤维网(1a),(1b)的纤维与 网格表(4); 然后将聚对苯二甲酸乙二醇酯的温度高于玻璃化转变温度(Tg(℃))的温度并且低于“Tg(℃)+ 70℃”的热空气通过通孔 - 空气技术。 优选地,通过将​​纤维网(1a),(1b)的纤维与网状片(4)缠结来制备层压体(6)之后,用热空气干燥层压体(6) 然后通过空气技术将热空气吹送到层压板(6)。
    • 6. 发明申请
    • ENGINE VALVE CONTROL DEVICE
    • 发动机阀门控制装置
    • US20110011360A1
    • 2011-01-20
    • US12836719
    • 2010-07-15
    • Minoru Wada
    • Minoru Wada
    • F01L1/34
    • F01L1/3442F01L1/34F02D41/0002F02D41/20F02D41/2448F02D41/2464F02D2041/001F02D2041/2027F02D2200/023Y02T10/42
    • An engine valve control device is applied to an engine valve control mechanism having a VVT (valve timing adjusting device), an OCV (control valve) that controls a flow of hydraulic oil supplied to the VVT, and an electromagnetic solenoid that controls an operation of the OCV according to a control duty (control command value). The engine valve control device calculates the control duty based on a holding duty, which occurs when an actual phase does not change but is held, and feedback correction values. The engine valve control device corrects the value of the holding duty in accordance with a steady-state deviation between the actual phase and a target phase to perform learning for storing and updating the holding duty value. If temperature of the hydraulic oil is low, the learning is prohibited even when the steady-state deviation is occurring.
    • 发动机气门控制装置被应用于具有VVT(气门正时调节装置),控制供给到VVT的液压油的流量的OCV(控制阀)的发动机气门控制机构, OCV根据控制任务(控制命令值)。 发动机气门控制装置基于在实际相位不变而被保持时发生的保持占空比来计算控制占空比,并且反馈校正值。 发动机气门控制装置根据实际相位和目标相位之间的稳态偏差校正保持占空比的值,以进行用于存储和更新保持占空比值的学习。 如果液压油的温度低,即使发生稳态偏差,也禁止学习。
    • 7. 发明申请
    • VARIABLE VALVE TIMING DEVICE
    • 可变阀门定时装置
    • US20110000449A1
    • 2011-01-06
    • US12828793
    • 2010-07-01
    • Haruyuki URUSHIHATAMinoru Wada
    • Haruyuki URUSHIHATAMinoru Wada
    • F01L1/34
    • F01L1/3442F01L1/024F01L2001/3443F01L2001/34469F01L2001/34476F01L2800/01
    • A VVT has a movable restriction member and a restriction slot. When the restriction member is in a projected position, the VVT is variable in a restricted range to which the restriction member can be rotatable within the restriction slot. When the restriction member is in a retracted position, the VVT is variable in a range wider than the restricted range. When a condition where the restriction member shall be projected is satisfied, if the variable range of the VVT reaches beyond the restricted range, the device determines that the restriction member is stuck at the retracted position. When a condition where the restriction member shall be retracted is satisfied, if the variable range of the VVT is restricted in the restricted range, the device determines that the restriction member is stuck at the projected position.
    • VVT具有可动限制构件和限制槽。 当限制构件处于突出位置时,VVT可以在限制构件能够在限制槽内旋转的限制范围内变化。 当限制构件处于缩回位置时,VVT可在比限制范围更宽的范围内变化。 当满足限制部件投射的条件时,如果VVT的可变范围超过限制范围,则装置判断为限制部件被卡在缩回位置。 当满足限制件缩回的条件时,如果VVT的可变范围被限制在限制范围内,则该装置确定限制件被卡在投影位置。
    • 9. 发明授权
    • Electrophotographic development apparatus
    • 电子照相显影装置
    • US07502578B2
    • 2009-03-10
    • US11363485
    • 2006-02-27
    • Minoru WadaEiji Gyoutoku
    • Minoru WadaEiji Gyoutoku
    • G03G15/08
    • G03G15/0896G03G2215/0614G03G2215/0802
    • An object of the present invention is to provide a small-sized developing apparatus which well supplies the developer, does not cause the image degradation for a long term. The developing apparatus comprises a developer containing chamber, a developer supply chamber and developing means which is disposed in said developer supply chamber and develops an electrostatic latent image, a boundary wall which is disposed between said developer containing chamber and said developer supply chamber and has a first and a second opening, and an opening and closing member for opening and closing said first opening. The single component developer is supplied through said second opening into the developer supply chamber. The opening and closing member opens and closes, in response to the toner quantity supplied into the toner supply chamber and allows said single component developer to move in only one direction from said developer supply chamber to said developer containing chamber.
    • 本发明的目的是提供一种能够显着提供显影剂的小尺寸显影装置,不会长期导致图像劣化。 显影装置包括显影剂容纳室,显影剂供应室和显影装置,其设置在所述显影剂供应室中并显影静电潜像,边界壁设置在所述显影剂容纳室和所述显影剂供应室之间, 第一和第二开口,以及用于打开和关闭所述第一开口的打开和关闭构件。 单组分显影剂通过所述第二开口供应到显影剂供应室中。 打开和关闭构件响应于供给到调色剂供应室中的调色剂量而打开和关闭,并且允许所述单组分显影剂仅在一个方向上从所述显影剂供应室移动到所述显影剂容纳室。
    • 10. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20080285986A1
    • 2008-11-20
    • US12117349
    • 2008-05-08
    • Minoru WadaHisashi MukatakaEiji GyoutokuKenichi Kasama
    • Minoru WadaHisashi MukatakaEiji GyoutokuKenichi Kasama
    • G03G15/08
    • G03G15/0822G03G15/0894
    • An image forming apparatus is provided with a photoconductor to have an electrostatic latent image formed thereon, a developing device for developing the electrostatic latent image with a toner, a toner replenishing device for replenishing the toner into the developing device, and a controller for controlling an image developing operation by the developing device and a toner replenishing operation by the toner replenishing device. The controller executes a non-replenishment mode for causing the developing device to perform image development without being replenished with the toner from the toner replenishing device, a discharge mode, following the non-replenishment mode, for discharging the toner remaining in the developing device and a refill mode, following the discharge mode, for refilling the toner into the developing device by the toner replenishing device.
    • 图像形成装置设置有光电导体以形成静电潜像,用调色剂显影静电潜像的显影装置,用于将调色剂补充到显影装置中的调色剂补充装置,以及控制器 显影装置的图像显影操作和由调色剂补充装置进行的调色剂补充操作。 控制器执行非补充模式,以使显影装置执行图像显影,而不用补充来自调色剂补充装置的调色剂,在非补充模式之后的排出模式,用于排出残留在显影装置中的调色剂,以及 重新填充模式,在排出模式之后,通过调色剂补充装置将调色剂重新填充到显影装置中。