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    Angular velocity sensor
    3.
    发明申请
    Angular velocity sensor 审中-公开
    角速度传感器

    公开(公告)号：US20070256496A1

    公开(公告)日：2007-11-08

    申请号：US11785457

    申请日：2007-04-18

    申请人： Takayuki Yamaji ,  Hiroshi Ishikawa ,  Takashi Katsuki ,  Yuji Takahashi ,  Fumihiko Nakazawa ,  Hiroaki Takagi

    发明人： Takayuki Yamaji ,  Hiroshi Ishikawa ,  Takashi Katsuki ,  Yuji Takahashi ,  Fumihiko Nakazawa ,  Hiroaki Takagi

    IPC分类号： G01P15/08

    CPC分类号： G01C19/5628

    摘要： An angular velocity sensor includes: first and second tuning-fork vibrators, each of which respectively includes a base portion and multiple arm portions extending from the base portion; and a mounting portion mounting the first and second tuning-fork vibrators, and an end of an arm portion of the first tuning-fork vibrator opposes a side face of the second tuning-fork vibrator; and a first wire connecting the first tuning-fork vibrator and the mounting portion extends in a width direction of the first tuning-fork vibrator.

    摘要翻译： 角速度传感器包括：第一和第二音叉振动器，其分别包括基部和从基部延伸的多个臂部; 以及安装所述第一和第二音叉振动器的安装部分，并且所述第一音叉振子的臂部的一端与所述第二音叉振动器的侧面相对; 连接第一音叉振子和安装部的第一线在第一音叉振子的宽度方向上延伸。

    Image forming apparatus incorporating writing device
    4.
    发明授权
    Image forming apparatus incorporating writing device 有权

    公开(公告)号：US11036157B2

    公开(公告)日：2021-06-15

    申请号：US16695880

    申请日：2019-11-26

    申请人： Hiroaki Takagi

    发明人： Hiroaki Takagi

    IPC分类号： G03G15/04

    摘要： An image forming apparatus includes an image bearer, a writing device, a partition, and a plurality of side members. The image bearer is configured to bear an image. The writing device is configured to write the image on the image bearer. The partition is disposed between the image bearer and the writing device. The plurality of side members is disposed facing and spaced apart from each other at an interval in an axial direction of the image bearer. The writing device is fixed to the plurality of side members and is spaced apart from the partition.

    Rotary drive device and image forming apparatus
    5.
    发明授权
    Rotary drive device and image forming apparatus 有权
    旋转驱动装置和成像装置

    公开(公告)号：US09581953B2

    公开(公告)日：2017-02-28

    申请号：US15019232

    申请日：2016-02-09

    申请人： Naoyuki Suido ,  Keisuke Shimizu ,  Hiroaki Takagi ,  Kimiharu Yamazaki ,  Tadahiro Satoh

    发明人： Naoyuki Suido ,  Keisuke Shimizu ,  Hiroaki Takagi ,  Kimiharu Yamazaki ,  Tadahiro Satoh

    IPC分类号： G03G15/01 ,  G03G15/00 ,  F16H57/00 ,  F16D1/076

    CPC分类号： G03G15/757 ,  F16D1/076 ,  F16D1/0894 ,  F16H57/0025

    摘要： A rotary drive device includes a drive motor and drive transmission portion, which transmits a rotational drive force of the motor to a driven rotor and includes three or more drive transmission members. A high stiffness member is attached to a low-stiffness drive transmission member, which is one, lower in stiffness, of two of the drive transmission members, to increase stiffness of the low-stiffness drive transmission member. The two form a drive transmission point corresponding to a resonant point of a lowest resonance frequency among frequencies at a plurality of resonance points in frequency response characteristics derived from rotation information. One drive transmission point, which is on either a drive-transmission input side or output side, other than the drive transmission point corresponding to the resonant point of the lowest resonance frequency, of the low-stiffness drive transmission member is configured to transmit the rotational drive force through the high stiffness member.

    摘要翻译： 旋转驱动装置包括驱动电动机和驱动传递部分，其将电动机的旋转驱动力传递到从动转子并且包括三个或更多个驱动传递部件。 高刚性构件附接到低刚度驱动传动构件，其是两个驱动传动构件中的刚度较低的刚性驱动传动构件，以增加低刚度驱动传动构件的刚度。 这两个形成对应于从旋转信息导出的频率响应特性中的多个谐振点的频率中的最低谐振频率的谐振点的驱动传输点。 低刚度驱动传递部件的与驱动传递点相对应的驱动传递点以外的驱动传递输入侧或输出侧的一个驱动传递点被配置为传递旋转 驱动力通过高刚度构件。

    Receiving apparatus and receiving method
    7.
    发明授权
    Receiving apparatus and receiving method 有权
    接收装置和接收方法

    公开(公告)号：US08744016B2

    公开(公告)日：2014-06-03

    申请号：US13442572

    申请日：2012-04-09

    申请人： Hiroaki Takagi ,  Naoto Adachi ,  Masataka Umeda

    发明人： Hiroaki Takagi ,  Naoto Adachi ,  Masataka Umeda

    IPC分类号： H04L27/06

    CPC分类号： H04L25/03821 ,  H04L27/2665 ,  H04L27/2675 ,  H04L27/2691

    摘要： A receiving apparatus includes a symbol timing detection unit, a Fourier transform unit, a first symbol timing correction unit, and an interpolation synthesis unit. The symbol timing detection unit is configured to detect a Fourier transform start position from a received transmitting signal of a symbol unit, the Fourier transform unit is configured to perform a Fourier transform using the detected Fourier transform start position. The first symbol timing correction unit is configured to calculate and correct an amount of change between the Fourier transform start position of a reference symbol and the detected Fourier transform start position, and the interpolation synthesis unit is configured to perform an interpolation synthesis of a plurality of delay profiles corresponding to a plurality of symbols including the reference symbol and a symbol in which the amount of change is corrected.

    摘要翻译： 接收装置包括符号定时检测单元，傅里叶变换单元，第一符号定时校正单元和内插合成单元。 符号定时检测单元被配置为从接收到的符号单元的发送信号检测傅立叶变换开始位置，傅立叶变换单元被配置为使用检测的傅立叶变换开始位置进行傅里叶变换。 第一符号定时校正单元被配置为计算和校正参考符号的傅立叶变换开始位置与检测到的傅里叶变换起始位置之间的变化量，并且内插合成单元被配置为执行多个 对应于包括参考符号的多个符号的延迟分布和其中改变量的符号。

    DRIVE TRANSMISSION MECHANISM AND IMAGE FORMING APPARATUS INCLUDING SAME
    8.
    发明申请
    DRIVE TRANSMISSION MECHANISM AND IMAGE FORMING APPARATUS INCLUDING SAME 有权
    驱动传动机构和图像形成装置，包括它们

    公开(公告)号：US20120190489A1

    公开(公告)日：2012-07-26

    申请号：US13337797

    申请日：2011-12-27

    申请人： Hiroaki Takagi

    发明人： Hiroaki Takagi

    IPC分类号： F16H7/02 ,  F16C19/04

    CPC分类号： F16H57/021 ,  G03G15/757 ,  G03G21/1647

    摘要： A drive transmission mechanism including a shaft including a reduced diameter portion at an outboard end, an engaging portion inboard of the reduced diameter portion, and an installation portion inboard of the engaging portion and having the same diameter as the engaging portion, a first bearing having an inner ring onto which the reduced diameter portion is fitted, a connecting member provided to the shaft and including a main body into which the installation portion is fitted and a fitting portion provided to the main body on a side in which the engaging portion is provided to accommodate the engaging portion, and a second bearing engaging the shaft to support the shaft at an inboard end of the shaft opposite the first bearing with the connecting member interposed between the first and second bearings.

    摘要翻译： 一种驱动传动机构，其特征在于，包括：外侧具有缩径部的轴，所述缩径部的内侧的卡合部，以及所述卡合部的内侧的与所述卡合部的直径相同的安装部， 内径减小的部分的内圈，设置在轴上的连接部件，该连接部件具有安装部安装于该主体部的主体和设置在该主体上的嵌合部的配合部的一侧的嵌合部 以容纳所述接合部分，以及第二轴承，所述第二轴承与所述轴接合，以将所述轴支撑在所述轴的与所述第一轴承相对的内侧端部处，所述连接构件插入在所述第一和第二轴承之间。

    Drive transmitter and image forming apparatus incorporating the drive transmitter
    10.
    发明授权
    Drive transmitter and image forming apparatus incorporating the drive transmitter 有权

    公开(公告)号：US10248071B2

    公开(公告)日：2019-04-02

    申请号：US14835803

    申请日：2015-08-26

    申请人： Hiroaki Takagi ,  Junichi Ichikawa

    发明人： Hiroaki Takagi ,  Junichi Ichikawa

    IPC分类号： F16D1/10 ,  F16D3/06 ,  G03G15/00 ,  G03G21/16 ,  G03G21/18

    摘要： A drive transmitter that is applicable to an image forming apparatus includes a first coupler, a second coupler, and reinforcing ribs. The first coupler is mounted on an axial end of a first rotary shaft and is provided with extensions. The extensions extend in an axial direction of the first coupler and are arranged at intervals in a rotation direction thereof. The second coupler is mounted on an axial end of a second rotary shaft and is provided with contact parts to which the respective extensions contact between the first rotary shaft and the second rotary shaft upon drive transmission. The reinforcing ribs are provided to the respective extensions and reinforce the respective extensions.