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    • 52. 发明授权
    • Image forming device
    • 图像形成装置
    • US07933536B2
    • 2011-04-26
    • US12133790
    • 2008-06-05
    • Daisuke Ogawa
    • Daisuke Ogawa
    • G03G15/00G03G21/18
    • G03G21/1864G03G2221/169
    • An image forming device includes a driving mechanism that transmits a driving force to a process cartridge through an input portion of the process cartridge. The driving mechanism includes a drive shaft shifting between a state engaging with the input portion and a state spaced from the input portion, a first cam joined with a door to be rotated with movement of the door, the first cam including a first sliding surface, a translation member including a sliding contact portion which slidably contacts the first sliding surface, the translation member being configured to engage with the drive shaft and shift together with the drive shaft with the sliding contact portion sliding on the first sliding surface with rotation of the first cam, and a second cam including a second sliding surface which slidably contacts the sliding contact portion to face the first sliding surface through the sliding contact portion.
    • 图像形成装置包括驱动机构,该驱动机构通过处理盒的输入部分向处理盒传送驱动力。 所述驱动机构包括在与所述输入部分接合的状态与与所述输入部分间隔开的状态之间移动的驱动轴;与门的移动相连接的门的第一凸轮,所述第一凸轮包括第一滑动面, 平移构件,其包括滑动接触所述第一滑动面的滑动接触部,所述平移构件构造成与所述驱动轴接合并与所述驱动轴一起移动,所述滑动接触部分在所述第一滑动面上滑动, 凸轮,以及包括第二滑动表面的第二凸轮,所述第二滑动表面滑动地接触所述滑动接触部分以通过所述滑动接触部分面对所述第一滑动表面。
    • 53. 发明授权
    • Intermittent drive mechanism, sheet feeder, and image forming apparatus
    • 间歇驱动机构,送纸器和成像设备
    • US07637493B2
    • 2009-12-29
    • US11933710
    • 2007-11-01
    • Daisuke Ogawa
    • Daisuke Ogawa
    • B65H3/06F16H55/17
    • B65H3/0669B65H2403/421B65H2403/512B65H2403/725B65H2555/13Y10T74/1441Y10T74/19874
    • An intermittent drive mechanism capable of noise reduction is provided. The intermittent drive mechanism comprises a drive gear, a fragmental gear, a first cam, an operating arm, an operating-arm drive mechanism, and a brake mechanism. The fragmental gear includes a mesh portion, of which teeth arranged in a predetermined region on a circumference mesh with the drive gear, and a non-mesh portion, which is free of teeth in the remaining region on the circumference and so does not mesh with the drive gear. The first cam rotates integrally with the fragmental gear. The operating arm contacts with the first cam to rotate the fragmental gear so as to put the same in a mesh state, in which the mesh portion meshes with the drive gear, from an optional, initial position in a non-mesh state, in which the non-mesh portion faces the drive gear. The operating-arm drive mechanism drives the operating arm upon energization of a solenoid. The brake mechanism restricts rotation of the fragmental gear at least when the fragmental gear is disposed in the initial position.
    • 提供了能够降噪的间歇驱动机构。 间歇驱动机构包括驱动齿轮,碎片齿轮,第一凸轮,操作臂,操作臂驱动机构和制动机构。 碎片齿轮包括网状部分,其中布置在与驱动齿轮啮合的圆周上的预定区域中的齿和非啮合部分,其在圆周上的剩余区域中没有齿,因此不与 驱动装置。 第一凸轮与碎片齿轮一体旋转。 操作臂与第一凸轮接触以使分段齿轮旋转,以便以非网状状态从可选的初始位置将网状部分与啮合状态啮合,其中网状部分与驱动齿轮啮合,其中 非网状部分面向驱动齿轮。 操作臂驱动机构在螺线管通电时驱动操作臂。 至少当碎片齿轮设置在初始位置时,制动机构限制碎片齿轮的旋转。
    • 54. 发明授权
    • Image forming apparatus having gear mechanism for rotating image bearing member
    • 具有用于旋转图像承载部件的齿轮机构的图像形成装置
    • US07437099B2
    • 2008-10-14
    • US11419612
    • 2006-05-22
    • Daisuke Ogawa
    • Daisuke Ogawa
    • G03G15/00
    • G03G15/757
    • A driving unit of an image forming apparatus is configured in such a manner that an engagement noise frequency is larger than an image-quality assurance frequency and that the engagement noise frequency is less than or equal to an upper limit frequency of a one-third octave band frequency range including the image-quality assurance frequency. The image-quality assurance frequency is defined as a frequency obtained by multiplying a conveying speed of a recording medium by a value of 1.6, and the engagement noise frequency is defined as a frequency obtained by multiplying a predetermined number of teeth of a first gear by a rotational speed of a motor, when a unit of the conveying speed of the recording medium is millimeters per second, a unit of the value of 1.6 is cycles per millimeter, and a unit of the rotational speed of the motor is revolutions per second.
    • 图像形成装置的驱动单元被配置为使得接合噪声频率大于图像质量保证频率,并且接合噪声频率小于或等于三分之一倍频程的上限频率 频带范围包括图像质量保证频率。 图像质量保证频率被定义为通过将记录介质的传送速度乘以1.6获得的频率,并且接合噪声频率被定义为通过将第一档的预定齿数乘以 电动机的转速,当记录介质的传送速度的单位为每秒毫米数时,值为1.6的单位为每毫米周期,电动机的转速单位为每秒转数。
    • 55. 发明申请
    • Wireless transmitting station and wireless receiving station
    • 无线发射台和无线接收台
    • US20080037409A1
    • 2008-02-14
    • US11783017
    • 2007-04-05
    • Daisuke OgawaTakashi DatekiHideto Furukawa
    • Daisuke OgawaTakashi DatekiHideto Furukawa
    • H04J3/10
    • H04B7/022H04B7/0413H04B7/0691
    • A wireless terminal receives a signal from a first BTS as a communication party and a signal from a second BTS when receiving the signal from the first BTS by using a communication slot that is assigned to the terminal, the terminal comprises receiving antennas; a demodulator unit that estimates channels of received signals, and demodulates the received signals by using the estimation result; and a discriminating unit discriminating the number of transmitting antennas to be used in the first BTS in the communication slot which is assigned to the terminal, in which in the case where the number of channels that are produced between the first BTS and the terminal, which is determined according to the number of transmitting antennas, is smaller than the number of channels that can be estimated by the demodulator unit, the demodulator unit estimates the channel between the terminal and the first BTS by using a signal from the first BTS, and estimates the channel between the terminal and the second BTS by using a signal from the second BTS.
    • 无线终端通过使用分配给终端的通信时隙从第一BTS接收来自第一BTS的信号和来自第二BTS的信号,该终端包括接收天线; 解调器单元,其估计接收信号的信道,并通过使用估计结果解调接收的信号; 以及鉴别单元,鉴别在分配给终端的通信时隙中在第一BTS中要使用的发送天线的数量,其中在第一BTS和终端之间产生的信道的数量, 根据发送天线的数量确定,小于可由解调器单元估计的信道的数量,解调器单元通过使用来自第一BTS的信号估计终端与第一BTS之间的信道,并且估计 通过使用来自第二BTS的信号在终端和第二BTS之间的信道。