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    • 32. 发明授权
    • Surface acoustic wave device and communication device
    • 声表面波装置及通讯装置
    • US06847154B2
    • 2005-01-25
    • US10255968
    • 2002-09-27
    • Yoshihiro ItoMichio KadotaKoji Fujimoto
    • Yoshihiro ItoMichio KadotaKoji Fujimoto
    • H03H9/145H03H9/02H03H9/25H03H9/64
    • H03H9/14552H03H9/02543H03H9/6496
    • A Shear Horizontal-type end-surface-reflection-type surface acoustic wave device includes a piezoelectric substrate having end surfaces. The most appropriate positions of the end surfaces of the piezoelectric substrate are determined. Interdigital transducers are disposed on the main surface of the piezoelectric substrate having a comparatively low relative dielectric constant ∈11T (for example, a relative dielectric constant of about 40 or less). The positions of the end surfaces are determined so that the distance from the center of the second electrode finger, counting from the outermost side in the surface acoustic wave propagation direction among the interdigital transducers, to the end surfaces (end surfaces for reflecting the surface acoustic wave) of the piezoelectric substrate satisfy the relationship (N+⅝)λs≦L≦(N+⅞)λs, where λs is the wavelength of the surface acoustic wave, and N is 0 or a positive integer.
    • 剪切水平型端面反射型表面声波装置包括具有端面的压电基板。 确定压电基片的端面最合适的位置。 叉指换能器设置在压电基片的相对介电常数ε11(例如相对介电常数约为40或更小)的主表面上。 端面的位置被确定为使得从叉指式换能器之间的表面声波传播方向上的最外侧的第二电极指的中心到端面(用于反射表面声学的端面) (N + 5/8)lambdas <= L <=(N + 7/8)lambdas,其中lambdas是表面声波的波长,N是0或正整数 。
    • 34. 发明授权
    • Memory member, unit, process cartridge and electrophotographic image forming apparatus
    • 存储器件,单元,处理盒和电子照相成像设备
    • US06701107B2
    • 2004-03-02
    • US09935246
    • 2001-08-23
    • Toshiyuki KarakamaKazushi WatanabeYoshihiro Ito
    • Toshiyuki KarakamaKazushi WatanabeYoshihiro Ito
    • G03G1500
    • G03G21/1882G03G2221/1823
    • An unit detachably mountable to a main assembly of an electrophotographic image forming apparatus for forming an image on a recording material, including: (a) a unit frame; and (b) a memory member supported by the unit frame, the memory member including: a base; a storing element, provided on the base, for storing information; a memory antenna, provided in the base, for sending the information stored in the storing element to a main assembly antenna provided in a main assembly of the apparatus, when the memory member is mounted to the main assembly of the apparatus; a sending member, provided in the base, for sending the information stored in the storing element to the memory antenna; and an outer casing member covering the base provided with the storing element, the sending member and the memory antenna. The memory member is disposed substantially at a central portion of the unit frame with respect to a direction crossing a mounting direction in which the unit is mounted to the main assembly of the
    • 一种可拆卸地安装到用于在记录材料上形成图像的电子照相图像形成装置的主组件的单元,包括:(a)单元框架; 和(b)由所述单元框支撑的存储构件,所述存储构件包括:基座; 存储元件,设置在基座上,用于存储信息; 存储器天线,设置在基座中,用于当存储器构件安装到设备的主组件时,将存储在存储元件中的信息发送到设置在设备的主组件中的主组件天线; 发送构件,设置在基座中,用于将存储在存储元件中的信息发送到存储器天线; 以及覆盖设置有存储元件的底座的外壳构件,发送构件和存储天线。 记忆部件基本上设置在单元框架的中心部分处,该中心部分相对于与单元安装到主组件的安装方向相交的方向
    • 36. 发明授权
    • Process cartridge and electrophotographic image forming apparatus
    • 处理盒和电子照相成像设备
    • US06501926B1
    • 2002-12-31
    • US09597823
    • 2000-06-19
    • Kazushi WatanabeYoshihiro ItoToshiharu Kawai
    • Kazushi WatanabeYoshihiro ItoToshiharu Kawai
    • G03G1500
    • G03G21/186F16D1/101G03G15/757G03G21/1633G03G21/1647G03G21/1853G03G21/1864G03G2221/1654G03G2221/1657G03G2221/183
    • An electrophotographic image forming apparatus for forming an image on a recording material includes an electrophotographic photosensitive drum; charging means for charging the photosensitive drum; developing means for developing a latent image formed on the photosensitive drum into a toner image; transfer means for transferring the toner image onto the recording material; fixing means for fixing the toner image on the recording material; a motor; a main assembly side gear for receiving driving force from the motor; a recess formed substantially at a center of the gear, the recess having a polygonal cross-section; a projection provided at a longitudinal end of the photosensitive drum, wherein when the main assembly side gear rotates with the recess and projection engaged with each other, rotational driving force is transmitted from the gear to the photosensitive drum through the recess and the projection with the projection being pulled into the recess, wherein a free end of the projection and a bottom surface of the recess are contacted to each other so that the process cartridge is positioned in place in a longitudinal direction of the photosensitive drum relative to the main assembly; and moving means for imparting relative movement between the recess and the projection in a longitudinal.
    • 用于在记录材料上形成图像的电子照相图像形成装置包括电子照相感光鼓; 用于对感光鼓充电的充电装置; 用于将形成在感光鼓上的潜像显影成调色剂图像的显影装置; 用于将调色剂图像转印到记录材料上的转印装置; 用于将调色剂图像定影在记录材料上的固定装置; 电机 用于从马达接收驱动力的主组件侧齿轮; 基本上形成在所述齿轮的中心的凹部,所述凹部具有多边形横截面; 设置在所述感光鼓的纵向端部处的突起,其中当所述主组件侧齿轮随着所述凹部和凸起彼此接合而旋转时,旋转驱动力通过所述凹部和所述突起从所述齿轮传递到所述感光鼓, 突起被拉入凹部,其中突起的自由端和凹部的底表面彼此接触,使得处理盒相对于主组件沿感光鼓的纵向方向定位在适当位置; 以及用于在纵向上在凹部和突起之间施加相对运动的移动装置。
    • 37. 发明授权
    • Traffic generator and method of determining a traffic generating function
    • 交通发电机和确定交通发电功能的方法
    • US06414942B1
    • 2002-07-02
    • US09128212
    • 1998-08-03
    • Yoshihiro ItoMasami IshikuraTooru Asami
    • Yoshihiro ItoMasami IshikuraTooru Asami
    • H04L1226
    • H04L43/50
    • A traffic generator for sending a pseudo-traffic onto a packet-switched network to evaluate the network performance and a traffic generating function determining method of optimizing generating functions (mathematical models) for a pseudo-traffic are provided. A traffic analysis unit 71 analyzes an actual traffic inputted thereto. An evaluate/optimization unit 74a optimizes parameters of first mathematical models on the basis of a packet length extracted by a packet length extracted unit 71a and the calculation results of the first mathematical models stored in a mathematical model storing unit 72a. The optimized first mathematical model is then registered in a packet length determining unit 2a of a packet sending pattern determining module 2. The packet length determining unit 2a calculates the packet length on the basis of the first mathematical model thus registered and then outputs the calculation result to a packet generating module.
    • 提供了用于将伪业务发送到分组交换网络以评估网络性能的业务发生器,以及用于优化用于伪业务的生成函数(数学模型)的业务生成功能确定方法。 交通分析单元71分析输入到其中的实际交通流量。 评估/优化单元74a基于由分组长度提取单元71a提取的分组长度和存储在数学模型存储单元72a中的第一数学模型的计算结果来优化第一数学模型的参数。 然后将优化的第一数学模型登记在分组发送模式确定模块2的分组长度确定单元2a中。分组长度确定单元2a基于如此注册的第一数学模型来计算分组长度,然后输出计算结果 到分组生成模块。
    • 39. 发明授权
    • Process cartridge having drive mount for photosensitive drum
    • 处理盒带有用于感光鼓的驱动器支架
    • US06226478B1
    • 2001-05-01
    • US08820481
    • 1997-03-18
    • Kazushi WatanabeYoshihiro ItoToshiharu Kawai
    • Kazushi WatanabeYoshihiro ItoToshiharu Kawai
    • G03G1500
    • G03G21/186F16D1/101G03G15/757G03G21/1633G03G21/1647G03G21/1853G03G21/1864G03G2221/1654G03G2221/1657G03G2221/183
    • An electrophotographic image forming apparatus for forming an image on a recording material includes an electrophotographic photosensitive drum, a charging device for charging the photosensitive drum, a developing device for developing a latent image formed on the photosensitive drum into a toner image, a transfer device for transferring the toner image onto the recording material, a fixing device for fixing the toner image on the recording material, a motor, and a main assembly side gear for receiving driving force from the motor. A recess is formed substantially at a center of the gear, the recess having a polygonal cross-section, and a projection is provided at a longitudinal end of the photosensitive drum, wherein when the main assembly side gear rotates with the recess and projection engaged with each other, rotational driving force is transmitted from the gear to the photosensitive drum through the recess and the projection with the projection being pulled into the recess, wherein a free end of the projection and a bottom surface of the recess are contacted to each other so that the process cartridge is positioned in place in a longitudinal direction of the photosensitive drum relative to the main assembly. A moving device imparts relative movement between the recess and the projection in a longitudinal direction of the photosensitive drum to engage the projection with the recess.
    • 用于在记录材料上形成图像的电子照相图像形成装置包括电子照相感光鼓,用于对感光鼓充电的充电装置,用于将形成在感光鼓上的潜像显影成调色剂图像的显影装置,用于 将调色剂图像转印到记录材料上,用于将调色剂图像定影在记录材料上的定影装置,电动机和用于接收来自电动机的驱动力的主组件侧齿轮。 基本上形成在齿轮的中心处的凹部,凹部具有多边形横截面,并且在感光鼓的纵向端部处设置有突起,其中当主组件侧齿轮随着凹部和突起接合而旋转时 彼此相反,旋转驱动力通过凹部从齿轮传递到感光鼓,并且突起被拉入凹部中,其中突起的自由端和凹部的底表面彼此接触,因此 处理盒相对于主组件位于感光鼓的纵向方向上的适当位置。 移动装置在感光鼓的纵向方向上在凹部和突起之间施加相对运动,以使凸起与凹部接合。