公开(公告)号：US07840163B2

公开(公告)日：2010-11-23

申请号：US11878519

申请日：2007-07-25

申请人： Hideyuki Takayama ,  Koichi Kudo ,  Takuro Kamiya

发明人： Hideyuki Takayama ,  Koichi Kudo ,  Takuro Kamiya

IPC分类号： G03G15/00

CPC分类号： G03G15/5008 ,  G03G15/0131 ,  G03G15/0194 ,  G03G2215/00075 ,  G03G2215/0119 ,  G03G2215/0154 ,  G03G2215/0158

摘要： A position detecting device includes a plurality of detecting units that detects marks on an object, a plurality of housing units that houses the detecting units, and a holding member that fixedly holds the housing units. A total expansion amount of the housing units due to temperature change is substantially equal to an expansion amount of the holding member between the fixed positions due to temperature change. The total expansion amount represents a total amount of expansion of the housing units from a fixed-position plane including a fixed position to a detection-position plane including a detection position in a direction parallel to a moving direction of the object. The fixed-position plane and the detection-position plane are perpendicular to the moving direction of the object.

摘要翻译： 位置检测装置包括检测物体上的标记的多个检测单元，容纳检测单元的多个容纳单元，以及固定地保持住住单元的保持构件。 由于温度变化，壳体单元的总膨胀量基本上等于由于温度变化而在固定位置之间的保持构件的膨胀量。 总膨胀量表示壳体单元从包括固定位置的固定位置平面到检测位置平面中的检测位置的平行于物体的移动方向的总扩张量。 固定位置平面和检测位置平面垂直于物体的移动方向。

公开(公告)号：US20080047157A1

公开(公告)日：2008-02-28

申请号：US11878519

申请日：2007-07-25

申请人： Hideyuki Takayama ,  Koichi Kudo ,  Takuro Kamiya

发明人： Hideyuki Takayama ,  Koichi Kudo ,  Takuro Kamiya

IPC分类号： G01B21/02

CPC分类号： G03G15/5008 ,  G03G15/0131 ,  G03G15/0194 ,  G03G2215/00075 ,  G03G2215/0119 ,  G03G2215/0154 ,  G03G2215/0158

摘要： A position detecting device includes a plurality of detecting units that detects marks on an object, a plurality of housing units that houses the detecting units, and a holding member that fixedly holds the housing units. A total expansion amount of the housing units due to temperature change is substantially equal to an expansion amount of the holding member between the fixed positions due to temperature change. The total expansion amount represents a total amount of expansion of the housing units from a fixed-position plane including a fixed position to a detection-position plane including a detection position in a direction parallel to a moving direction of the object. The fixed-position plane and the detection-position plane are perpendicular to the moving direction of the object.

摘要翻译： 位置检测装置包括检测物体上的标记的多个检测单元，容纳检测单元的多个容纳单元，以及固定地保持住住单元的保持构件。 由于温度变化，壳体单元的总膨胀量基本上等于由于温度变化而在固定位置之间的保持构件的膨胀量。 总膨胀量表示壳体单元从包括固定位置的固定位置平面到检测位置平面中的检测位置的平行于物体的移动方向的总扩张量。 固定位置平面和检测位置平面垂直于物体的移动方向。

公开(公告)号：US11066263B2

公开(公告)日：2021-07-20

申请号：US16451638

申请日：2019-06-25

申请人： Jun Yamane ,  Hiromichi Matsuda ,  Katsuaki Miyawaki ,  Koichi Kudo ,  Tetsuo Watanabe ,  Toshihiro Okamoto ,  Hideyuki Takayama ,  Atsuyuki Oyamada

发明人： Jun Yamane ,  Hiromichi Matsuda ,  Katsuaki Miyawaki ,  Koichi Kudo ,  Tetsuo Watanabe ,  Toshihiro Okamoto ,  Hideyuki Takayama ,  Atsuyuki Oyamada

IPC分类号： B65H9/00 ,  G03G15/00 ,  B65H9/20 ,  B65H7/14

摘要： A sheet conveying device, which is incorporated in an image forming apparatus, includes a first detector to detect an angle deviation of a recording medium to a sheet conveying direction, a second detector to detect a lateral shift of the recording medium to a width direction, a third detector to detect at least one of the angle deviation and the lateral shift after correction of the angle deviation detected by the first detector and the lateral shift detected by the second detector, and a rotary body to perform a primary movement by (1) rotating in the sheet conveying direction and returning to a reference position and by (2) moving in the width direction and returning to the reference position, and a secondary movement by performing at least one of (1) and (2) after the primary movement.

公开(公告)号：US08027516B2

公开(公告)日：2011-09-27

申请号：US11581517

申请日：2006-10-17

申请人： Koichi Kudo ,  Hideyuki Takayama

发明人： Koichi Kudo ,  Hideyuki Takayama

IPC分类号： G01C17/38 ,  G01C25/00 ,  G01P21/00 ,  G06K9/00

CPC分类号： H04N1/506

摘要： An image forming apparatus includes a movable member that moves cyclically in synchronization with an image forming process and a position detector. The position detector includes a scale, an image sensor, a signal processor, and a position computing unit. The scale is attached to the movable member and includes a plurality of optical marks formed in line at a substantially constant interval. The image sensor captures data relating to at least one optical mark at a time. The signal processor computes a coordinate of the optical mark with respect to a reference position. The position computing unit computes a distance traveled by the optical mark based on a number of the optical marks that pass the reference position and the coordinate of the optical mark with respect to the reference position.

摘要翻译： 图像形成装置包括与图像形成处理和位置检测器同步地循环移动的可动构件。 位置检测器包括刻度尺，图像传感器，信号处理器和位置计算单元。 标尺附着在可移动部件上，并且包括以基本恒定的间隔成行的多个光学标记。 图像传感器一次捕获与至少一个光学标记有关的数据。 信号处理器相对于参考位置计算光学标记的坐标。 位置计算单元基于通过参考位置的光学标记的数量和相对于参考位置的光学标记的坐标来计算由光学标记行进的距离。

公开(公告)号：US07659996B2

公开(公告)日：2010-02-09

申请号：US11979749

申请日：2007-11-08

申请人： Koichi Kudo ,  Hideyuki Takayama

发明人： Koichi Kudo ,  Hideyuki Takayama

IPC分类号： G01B11/14 ,  G01D5/34 ,  G01N21/86

CPC分类号： G01D5/34792 ,  G01D5/34746

摘要： This patent specification describes a relative position detection device and a detector for a rotary body and an image forming apparatus including the relative position detection device. The relative position detection device includes a scale comprising a pattern continuously formed by changing reflectance or transmittance and moving in a direction, a light source to irradiate the scale, a light receiving unit to read the pattern and output a signal, and a signal processing unit to process the output signal of the light receiving unit. The pattern is formed by a line pattern having regularly spaced lines perpendicular to the direction of movement of the scale, the light receiving unit is slanted with respect to the lines, and the relative position detection device detects a relative position change and speed change of the scale.

摘要翻译： 该专利说明书描述了一种相对位置检测装置和用于旋转体的检测器和包括相对位置检测装置的图像形成装置。 相对位置检测装置包括：标尺，其包括通过改变反射率或透射率并沿一个方向移动的光源，用于照射标尺的光源连续地形成的图案;光接收单元，用于读取图案并输出信号;以及信号处理单元 以处理光接收单元的输出信号。 图案由具有与标尺的移动方向垂直的规则间隔的线的线图案形成，光接收单元相对于线倾斜，并且相对位置检测装置检测相对位置变化和速度变化 规模。

公开(公告)号：US20060002739A1

公开(公告)日：2006-01-05

申请号：US11168478

申请日：2005-06-29

申请人： Koichi Kudo ,  Hideyuki Takayama

发明人： Koichi Kudo ,  Hideyuki Takayama

IPC分类号： G03G15/00

CPC分类号： G03G15/50 ,  G03G15/1605 ,  G03G2215/00139 ,  G03G2215/0158

摘要： A mark sensing device of the present invention senses marks formed on a turnable body in a preselected periodic pattern in a direction of movement of the turnable body with light emitted from a light source. A slit mask is formed with slits for splitting the light emitted from the light source. A light receiving portion receives the light thus split and then incident on the mark. The slits of the slit mask each belong to either one of two regions one of which is shifted from the other by one-half of the period of the periodic pattern. The light receiving portion receives the light incident on the mark in each of the two regions and converts the light received to two electric signals. A control signal for controlling the amount of movement of the turnable body is produced from the two electric signals.

公开(公告)号：US09776819B2

公开(公告)日：2017-10-03

申请号：US14959780

申请日：2015-12-04

申请人： Jun Yamane ,  Hiromichi Matsuda ,  Katsuaki Miyawaki ,  Koichi Kudo ,  Tetsuo Watanabe ,  Toshihiro Okamoto ,  Hideyuki Takayama ,  Atsuyuki Oyamada

发明人： Jun Yamane ,  Hiromichi Matsuda ,  Katsuaki Miyawaki ,  Koichi Kudo ,  Tetsuo Watanabe ,  Toshihiro Okamoto ,  Hideyuki Takayama ,  Atsuyuki Oyamada

IPC分类号： B65H9/20 ,  B65H9/00 ,  B65H7/14 ,  G03G15/00

CPC分类号： B65H9/002 ,  B65H7/14 ,  B65H9/20 ,  B65H2301/331 ,  B65H2404/14212 ,  B65H2404/1424 ,  B65H2553/416 ,  B65H2601/272 ,  G03G15/6561

摘要： A sheet conveying device, which is incorporated in an image forming apparatus, includes a first detector to detect an angle deviation of a recording medium to a sheet conveying direction, a second detector to detect a lateral shift of the recording medium to a width direction, a third detector to detect at least one of the angle deviation and the lateral shift after correction of the angle deviation detected by the first detector and the lateral shift detected by the second detector, and a rotary body to perform a primary movement by (1) rotating in the sheet conveying direction and returning to a reference position and by (2) moving in the width direction and returning to the reference position, and a secondary movement by performing at least one of (1) and (2) after the primary movement.

公开(公告)号：US20100239282A1

公开(公告)日：2010-09-23

申请号：US12659716

申请日：2010-03-18

申请人： Masahiro Ashikawa ,  Tatsuya Watahiki ,  Minoru Takahashi ,  Hideyuki Takayama ,  Takahisa Koike ,  Masaru Yamagishi ,  Takuhei Minami ,  Takuro Kamiyai ,  Junya Takigawa ,  Hiroaki Takagi ,  Koichi Kudo ,  Katsuya Kawagoe

发明人： Masahiro Ashikawa ,  Tatsuya Watahiki ,  Minoru Takahashi ,  Hideyuki Takayama ,  Takahisa Koike ,  Masaru Yamagishi ,  Takuhei Minami ,  Takuro Kamiyai ,  Junya Takigawa ,  Hiroaki Takagi ,  Koichi Kudo ,  Katsuya Kawagoe

IPC分类号： G03G15/20 ,  B65H5/06

CPC分类号： B65H5/062 ,  B65H7/02 ,  B65H43/00 ,  B65H2511/11 ,  B65H2511/222 ,  B65H2511/51 ,  B65H2513/10 ,  B65H2553/51 ,  B65H2553/512 ,  B65H2801/06 ,  G03G15/6564 ,  G03G2215/00409 ,  G03G2215/00616 ,  G03G2215/00734 ,  B65H2220/03 ,  B65H2220/01

摘要： A disclosed to-be-transferred object length measurement device includes a first rotating body; a passage detection unit detecting a passage of the to-be-transferred object; a rotation amount measurement unit measuring a rotation amount of the first rotating body in a first measurement period; a second rotating body feeding the to-be-transferred object; a speed detection unit detecting a first feeding speed and a second feeding speed of the to-be-transferred object; and a calculation unit calculating a feeding distance of the to-be-transferred object per a predetermined rotation amount of the first rotating body based on the first feeding speed, and further calculating a length of the to-be-transferred object based on the rotation amount of the first rotating body in the first measurement period, the feeding distance, and the second feeding speed of the to-be-transferred object in the second measurement period.

摘要翻译： 公开的被传送物体长度测量装置包括：第一旋转体; 通过检测单元，检测待传送物体的通过; 旋转量测量单元，测量第一旋转体在第一测量周期中的旋转量; 馈送待传送物体的第二旋转体; 速度检测单元，检测待传送物体的第一进给速度和第二进给速度; 以及计算单元，基于所述第一进给速度，针对所述第一旋转体的预定旋转量计算所述被转印体的供给距离，并且还基于所述旋转来计算所述被转印体的长度 在第一测量周期中的第一旋转体的量，待传送物体的进给距离和第二进给速度。

公开(公告)号：US07435946B2

公开(公告)日：2008-10-14

申请号：US11581731

申请日：2006-10-17

申请人： Koichi Kudo ,  Hideyuki Takayama

发明人： Koichi Kudo ,  Hideyuki Takayama

IPC分类号： G01D5/34 ,  G01J9/00

CPC分类号： G01D5/34715 ,  G01D5/34746

摘要： A mark detector to detect a plurality of marks which are arranged in a predetermined cycle on a moving member, such as a photo conductor belt, a transfer belt, a paper conveyance belt, a photo conductor drum, a transfer drum, etc. especially in an image forming apparatus, has an optical head including a light source to irradiate a light beam, a beam shaping device to shape the light beam, and a photo acceptor to accept light from the marks. Light beams on the marks from the light source have different positions shifted within a half mark cycle of each other on the marks. This increases accuracy and stability of controlling a motion of the moving member.

摘要翻译： 一种标记检测器，用于检测在诸如光导体带，转印带，纸传送带，光导体鼓，转印鼓等的移动部件上以预定的周期布置的多个标记，特别是在 图像形成装置具有包括用于照射光束的光源的光学头，用于使光束成形的光束整形装置和用于接收来自标记的光的光接收体。 来自光源的标记上的光束在标记上彼此的半标记周期内移动不同的位置。 这增加了控制移动构件运动的精度和稳定性。

公开(公告)号：US20080106747A1

公开(公告)日：2008-05-08

申请号：US11979749

申请日：2007-11-08

申请人： Koichi Kudo ,  Hideyuki Takayama

发明人： Koichi Kudo ,  Hideyuki Takayama

IPC分类号： G01B11/14

CPC分类号： G01D5/34792 ,  G01D5/34746

摘要： This patent specification describes a relative position detection device and a detector for a rotary body and an image forming apparatus including the relative position detection device. The relative position detection device includes a scale comprising a pattern continuously formed by changing reflectance or transmittance and moving in a direction, a light source to irradiate the scale, a light receiving unit to read the pattern and output a signal, and a signal processing unit to process the output signal of the light receiving unit. The pattern is formed by a line pattern having regularly spaced lines perpendicular to the direction of movement of the scale, the light receiving unit is slanted with respect to the lines, and the relative position detection device detects a relative position change and speed change of the scale.

摘要翻译： 该专利说明书描述了一种相对位置检测装置和用于旋转体的检测器和包括相对位置检测装置的图像形成装置。 相对位置检测装置包括：标尺，其包括通过改变反射率或透射率并沿一个方向移动的光源，用于照射标尺的光源连续地形成的图案;光接收单元，用于读取图案并输出信号;以及信号处理单元 以处理光接收单元的输出信号。 图案由具有与标尺的移动方向垂直的规则间隔的线的线图案形成，光接收单元相对于线倾斜，并且相对位置检测装置检测相对位置变化和速度变化 规模。