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    Position detection apparatus, paper thickness detection apparatus, belt position detection apparatus, and image forming apparatus
    1.
    发明授权
    Position detection apparatus, paper thickness detection apparatus, belt position detection apparatus, and image forming apparatus 有权
    位置检测装置，纸张厚度检测装置，带位置检测装置和图像形成装置

    公开(公告)号：US08706018B2

    公开(公告)日：2014-04-22

    申请号：US12268059

    申请日：2008-11-10

    申请人： Takao Furuya ,  Kaoru Yoshida ,  Yoshinari Iwaki ,  Minoru Ohshima

    发明人： Takao Furuya ,  Kaoru Yoshida ,  Yoshinari Iwaki ,  Minoru Ohshima

    IPC分类号： G03G15/00 ,  B65H7/02 ,  B65H7/14

    CPC分类号： G03G15/6511

    摘要： A position detection apparatus includes: a moving member in contact with a detection object that moves following movement of the detection object; and a support member that rotatably supports the moving member; a detection unit that detects a positional change of the moving member, the moving member being acted on by a first force as a force to press the moving member against the detection object, a second force as a force to press the moving member substantially in a direction of a rotation shaft of the moving member, and a third force as a force to press the moving member in a direction substantially orthogonal to the direction of the rotation shaft of the moving member.

    摘要翻译： 一种位置检测装置，包括：移动部件，其与检测对象物接触，随着检测对象的移动而移动; 以及支撑构件，其可旋转地支撑所述移动构件; 检测单元，其检测所述移动构件的位置变化，所述移动构件通过第一力作用作为将所述移动构件压靠在所述检测对象上的力，第二力作为基本上按压所述移动构件的力 移动构件的旋转轴的方向，以及作为在与移动构件的旋转轴的方向大致正交的方向上按压移动构件的力的第三力。

    Information processor, image forming apparatus, information processing method, and non-transitory computer-readable medium
    2.
    发明授权
    Information processor, image forming apparatus, information processing method, and non-transitory computer-readable medium 有权
    信息处理器，图像形成装置，信息处理方法和非暂时计算机可读介质

    公开(公告)号：US08588632B2

    公开(公告)日：2013-11-19

    申请号：US13209797

    申请日：2011-08-15

    申请人： Minoru Ohshima ,  Yoshinari Iwaki ,  Seigo Makida ,  Takashi Ogino ,  Takao Furuya ,  Kiyoshi Hosoi ,  Katsumi Sakamaki

    发明人： Minoru Ohshima ,  Yoshinari Iwaki ,  Seigo Makida ,  Takashi Ogino ,  Takao Furuya ,  Kiyoshi Hosoi ,  Katsumi Sakamaki

    IPC分类号： G03G15/23 ,  G03G21/20

    CPC分类号： B41J11/008 ,  B41J3/60 ,  B41J11/009 ,  G03G15/0189 ,  G03G15/5029 ,  G03G2215/00776 ,  G03G2215/0129

    摘要： An information processor includes a storage unit storing a first coefficient in correspondence with a characteristic of a sheet of paper, a first acquisition unit acquiring a first signal based on the water content of a first sheet of paper not having an image formed thereon, a second acquisition unit acquiring a second signal based on the water content of the first sheet of paper having an image formed thereon and being heated for fixing, a determination unit determining the characteristic of the first sheet of paper, a first calculation unit calculating a variation in water content of the first sheet of paper using the difference between the first signal and the second signal and the first coefficient stored in correspondence with the determined characteristic, and a second calculation unit calculating an expansion and contraction ratio of the first sheet of paper using the variation in water content.

    摘要翻译： 信息处理器包括存储单元，其存储与纸张的特性对应的第一系数，第一获取单元基于不具有形成在其上的图像的第一张纸的含水量获取第一信号;第二采集单元， 获取单元基于其上形成有图像的第一张纸的含水量获取第二信号并被加热用于定影;确定单元，确定第一张纸的特性;计算水的变化的第一计算单元 使用第一信号和第二信号之间的差异和与确定的特性相对应地存储的第一系数的第一张纸的内容，以及第二计算单元，使用该变化来计算第一张纸的展开和收缩比 含水量。

    Length measurement apparatus and image forming apparatus
    3.
    发明授权
    Length measurement apparatus and image forming apparatus 有权
    长度测量装置和图像形成装置

    公开(公告)号：US08320814B2

    公开(公告)日：2012-11-27

    申请号：US12775238

    申请日：2010-05-06

    申请人： Kazuyuki Tsukamoto ,  Takao Furuya ,  Minoru Oshima ,  Yoshinari Iwaki

    发明人： Kazuyuki Tsukamoto ,  Takao Furuya ,  Minoru Oshima ,  Yoshinari Iwaki

    IPC分类号： G03G15/00 ,  G01B5/02 ,  B65H7/02

    CPC分类号： G03G15/65 ,  G03G2215/00734

    摘要： A length measurement apparatus including: a measurement portion that measures a sheet length based on a rotational amount of a length measurement roll for a first detection period in which first and third sensors detect the sheet, and a sheet length based on a rotational amount of the length measurement roll for a second detection period in which the second sensor and any one of the first and third sensors detect the sheet, the any one of the first and third sensors being disposed at a position opposite to the second sensor via the length measurement roll; and a whole length calculation portion that selects the sheet length nearer to integral multiples of the circumference length of the length measurement roll from the sheet lengths measured for the first and second detection periods, and calculates the whole length of the sheet by using the selected sheet length.

    摘要翻译： 一种长度测量装置，包括：测量部分，其测量基于第一和第三传感器检测纸张的第一检测周期的长度测量辊的旋转量的纸张长度，以及基于所述纸张长度的转印量 长度测量辊，用于第二检测周期，其中第二传感器和第一和第三传感器中的任何一个检测纸张，第一和第三传感器中的任何一个经由长度测量辊设置在与第二传感器相对的位置 ; 以及整体长度计算部分，从对于第一和第二检测周期测量的纸张长度中选择更接近长度测量辊的圆周长度的整数倍的纸张长度，并且通过使用所选择的纸张来计算纸张的整个长度 长度。

    IMAGE FORMING APPARATUS AND LENGTH MEASURING DEVICE
    4.
    发明申请
    IMAGE FORMING APPARATUS AND LENGTH MEASURING DEVICE 有权
    图像形成装置和长度测量装置

    公开(公告)号：US20120141147A1

    公开(公告)日：2012-06-07

    申请号：US13095346

    申请日：2011-04-27

    申请人： Takao FURUYA ,  Yoshinari IWAKI ,  Minoru OHSHIMA

    发明人： Takao FURUYA ,  Yoshinari IWAKI ,  Minoru OHSHIMA

    IPC分类号： G03G15/00

    CPC分类号： G03G15/6529 ,  G03G15/6594 ,  G03G2215/00628 ,  G03G2215/00662 ,  G03G2215/00734

    摘要： An image forming apparatus includes an image forming unit forming an image on a recording sheet; a transport unit transporting the recording sheet; a support surface supporting the recording sheet; a rotating member having an outer peripheral surface pressed against the support surface and rotationally following the recording sheet when the recording sheet passes through between the support surface and the outer peripheral surface; an ascertaining unit ascertaining a length of the recording sheet on the basis of an amount of rotation of the rotating member; and a restricting unit restricting a movement of the rotating member that moves toward the support surface after the recording sheet passes through between the support surface and the outer peripheral surface, the restricting unit preventing the outer peripheral surface, which comes into contact with the recording sheet, and the support surface from coming into contact with each other.

    摘要翻译： 图像形成装置包括在记录纸上形成图像的图像形成单元; 传送记录纸的传送单元; 支撑记录纸的支撑表面; 旋转构件，当所述记录片材在所述支撑表面和所述外周表面之间通过时，所述旋转构件具有被压靠在所述支撑表面上并且旋转地跟随所述记录片材的外周表面; 确定单元，基于旋转构件的旋转量确定记录片材的长度; 以及限制单元，其限制在所述记录片材在所述支撑表面和所述外周面之间通过之后朝向所述支撑表面移动的所述旋转构件的移动，所述限制单元防止与所述记录片材接触的所述外周表面 ，并且支撑表面彼此接触。

    Sheet length measurement apparatus and image forming apparatus
    5.
    发明授权
    Sheet length measurement apparatus and image forming apparatus 有权
    片材长度测量装置和图像形成装置

    公开(公告)号：US08131171B2

    公开(公告)日：2012-03-06

    申请号：US12706069

    申请日：2010-02-16

    申请人： Minoru Ohshima ,  Kazuyuki Tsukamoto ,  Takao Furuya ,  Yoshinari Iwaki

    发明人： Minoru Ohshima ,  Kazuyuki Tsukamoto ,  Takao Furuya ,  Yoshinari Iwaki

    IPC分类号： G03G15/00

    CPC分类号： G03G15/6555 ,  G03G2215/00734

    摘要： A sheet length measurement apparatus including: a rotating member that comes in contact with a recording sheet conveyed on a conveying path, and rotates along with the conveyance of the recording sheet; a rotation amount detector that detects a rotational amount of the rotating member; a fixing support member that fixedly supports an rotating shaft of the rotating member at a fixed position; an opposed member that is disposed opposite to the rotating member so as to hold the recording sheet between the rotating member and the opposed member, the opposed member being disposed so that the rotating member rotates along with the conveyance of the recording sheet; and a support member that supports the opposed member in a movable state in a direction to separate from or come in contact with a surface of the recording sheet.

    摘要翻译： 一种纸张长度测量装置，包括：旋转构件，其与在输送路径上传送的记录纸张接触，并与记录纸张的传送一起旋转; 旋转量检测器，检测旋转构件的旋转量; 固定支撑构件，其在固定位置固定地支撑所述旋转构件的旋转轴; 与所述旋转部件相对配置以将所述记录纸张保持在所述旋转部件和所述相对部件之间的相对部件，所述相对部件配置成使得所述旋转部件与所述记录纸张的输送一起旋转; 以及支撑构件，其在与记录片材的表面分离或与记录片材的表面接触的方向上以可移动状态支撑相对构件。

    LENGTH MEASUREMENT APPARATUS AND IMAGE FORMING APPARATUS
    7.
    发明申请
    LENGTH MEASUREMENT APPARATUS AND IMAGE FORMING APPARATUS 有权
    长度测量装置和图像形成装置

    公开(公告)号：US20110058828A1

    公开(公告)日：2011-03-10

    申请号：US12775238

    申请日：2010-05-06

    申请人： Kazuyuki TSUKAMOTO ,  Takao FURUYA ,  Minoru OHSHIMA ,  Yoshinari IWAKI

    发明人： Kazuyuki TSUKAMOTO ,  Takao FURUYA ,  Minoru OHSHIMA ,  Yoshinari IWAKI

    IPC分类号： G03G15/00 ,  G01C25/00

    CPC分类号： G03G15/65 ,  G03G2215/00734

    摘要： A length measurement apparatus including: a measurement portion that measures a sheet length based on a rotational amount of a length measurement roll for a first detection period in which first and third sensors detect the sheet, and a sheet length based on a rotational amount of the length measurement roll for a second detection period in which the second sensor and any one of the first and third sensors detect the sheet, the any one of the first and third sensors being disposed at a position opposite to the second sensor via the length measurement roll; and a whole length calculation portion that selects the sheet length nearer to integral multiples of the circumference length of the length measurement roll from the sheet lengths measured for the first and second detection periods, and calculates the whole length of the sheet by using the selected sheet length.

    摘要翻译： 一种长度测量装置，包括：测量部分，其测量基于第一和第三传感器检测纸张的第一检测周期的长度测量辊的旋转量的纸张长度，以及基于所述纸张长度的转印量 长度测量辊，用于第二检测周期，其中第二传感器和第一和第三传感器中的任何一个检测纸张，第一和第三传感器中的任何一个经由长度测量辊设置在与第二传感器相对的位置 ; 以及整体长度计算部分，从对于第一和第二检测周期测量的纸张长度中选择更接近长度测量辊的圆周长度的整数倍的纸张长度，并且通过使用所选择的纸张来计算纸张的整个长度 长度。

    Image forming apparatus and length measuring device
    9.
    发明授权
    Image forming apparatus and length measuring device 有权
    图像形成装置和长度测量装置

    公开(公告)号：US08948681B2

    公开(公告)日：2015-02-03

    申请号：US13095346

    申请日：2011-04-27

    申请人： Takao Furuya ,  Yoshinari Iwaki ,  Minoru Ohshima

    发明人： Takao Furuya ,  Yoshinari Iwaki ,  Minoru Ohshima

    IPC分类号： G03G15/00

    CPC分类号： G03G15/6529 ,  G03G15/6594 ,  G03G2215/00628 ,  G03G2215/00662 ,  G03G2215/00734

    摘要： An image forming apparatus includes an image forming unit forming an image on a recording sheet; a transport unit transporting the recording sheet; a support surface supporting the recording sheet; a rotating member having an outer peripheral surface pressed against the support surface and rotationally following the recording sheet when the recording sheet passes through between the support surface and the outer peripheral surface; an ascertaining unit ascertaining a length of the recording sheet on the basis of an amount of rotation of the rotating member; and a restricting unit restricting a movement of the rotating member that moves toward the support surface after the recording sheet passes through between the support surface and the outer peripheral surface, the restricting unit preventing the outer peripheral surface, which comes into contact with the recording sheet, and the support surface from coming into contact with each other.

    摘要翻译： 图像形成装置包括在记录纸上形成图像的图像形成单元; 传送记录纸的传送单元; 支撑记录纸的支撑表面; 旋转构件，当所述记录片材在所述支撑表面和所述外周面之间通过时，所述旋转构件具有被压靠在所述支撑表面上并且旋转地跟随所述记录片材的外周表面; 确定单元，基于旋转构件的旋转量确定记录片材的长度; 以及限制单元，其限制在所述记录片材在所述支撑表面和所述外周面之间通过之后朝向所述支撑表面移动的所述旋转构件的移动，所述限制单元防止与所述记录片材接触的所述外周表面 ，并且支撑表面彼此接触。

    ABNORMALITY DETECTING DEVICE FOR ROTATION BODY AND IMAGE FORMING APPARATUS
    10.
    发明申请
    ABNORMALITY DETECTING DEVICE FOR ROTATION BODY AND IMAGE FORMING APPARATUS 有权
    异常检测用于旋转体和图像形成装置的装置

    公开(公告)号：US20110176159A1

    公开(公告)日：2011-07-21

    申请号：US12868319

    申请日：2010-08-25

    申请人： Minoru Ohshima ,  Takao Furuya ,  Yoshinari Iwaki ,  Michio Taniwaki

    发明人： Minoru Ohshima ,  Takao Furuya ,  Yoshinari Iwaki ,  Michio Taniwaki

    IPC分类号： G06K15/00

    CPC分类号： G03G15/5029 ,  G03G2215/00734

    摘要： An abnormality detecting device for a rotation body includes: a rotation body rotating while coming in contact with a sheet transported at a predetermined speed; an output unit outputting pulses of a number in proportion to a rotation amount of the rotation body; an acquisition unit acquiring periodic information associating a position of the rotation body during a single rotation and a period of each of the pulses corresponding to the position with each other, the periodic information being acquired based on the plural pulses outputted from the output unit along with the rotation of the rotation body at the predetermined speed; a memory storing the periodic information as reference periodic information; and an abnormality detector detecting an abnormality occurred in at least one of the rotation body and the output unit based on the reference periodic information and new periodic information acquired after the reference periodic information is acquired.

    摘要翻译： 用于旋转体的异常检测装置包括：旋转体，与以预定速度传送的片材接触而旋转; 输出单元，其输出与旋转体的旋转量成比例的数字的脉冲; 获取单元，获取将单个旋转期间的旋转体的位置与对应于该位置的每个脉冲的周期相关联的周期性信息，基于从输出单元输出的多个脉冲获取周期性信息，以及 旋转体以预定速度旋转; 存储周期性信息作为参考周期信息的存储器; 以及异常检测器，其基于参考周期信息和在获取参考周期信息之后获取的新的周期性信息来检测在所述旋转体和所述输出单元中的至少一个中发生的异常。