专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

EP2487464B1 Encoder, optical module, and servo system 有权
标题翻译：编码器，光学模块，和伺服系统
公开(公告)号：EP2487464B1
公开(公告)日：2015-04-08
申请号：EP12154674.1
申请日：2012-02-09
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Yoshida, Yasushi , Yoshidomi, Shirou , Matsutani, Yasuhiro , Muraoka, Jiro
IPC分类号： G01D5/347 , G01D5/245
CPC分类号： G01D5/34715 , G01D5/145 , G01D5/24461 , G01D5/34792
摘要： There are provided slit arrays (SA1, SA2) comprising a plurality of reflection slits arranged side by side along a measurement axis and an optical module (130) capable of relatively moving on a measurement axis (C) while facing part of the slit arrays, wherein the optical module comprises a light source (131) that irradiates the slit array with light and light receiving arrays (PA1, PA2) comprising a plurality of light receiving elements arranged side by side along the measurement axis and arranged in positions offset with respect to the point light source in a width (R) direction perpendicular to the measurement axis in a plane parallel to the slit array, the light receiving elements being respectively receiving light irradiated from the point light source and reflected from the reflection slit, and the plurality of light receiving elements comprises respective shapes such that the light receiving element nearer to the point light source in the measurement axis direction comprises a shorter length in the width direction and end parts (En) on an opposite side of the light receiving elements (P0, P1, P2, P3, P4) with respect to the light source in the width direction are arranged side by side in positions along the measurement axis.

2. 发明公开

EP2579004A3 Optical entire-circumference encoder and motor system 审中-公开
标题翻译：光学Gesamtumfangskodierer和电机系统
公开(公告)号：EP2579004A3
公开(公告)日：2014-11-26
申请号：EP12186547.1
申请日：2012-09-28
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Muraoka, Jiro , Inoue, Sadatoshi
IPC分类号： G01D5/347
CPC分类号： G01D5/34723 , G01D5/3473
摘要： An optical entire-circumference encoder includes a substrate. A light source is disposed on a rotation axis and a first surface of the substrate. A disc, rotatable about the rotation axis, is disposed on a second surface of the substrate. The disc includes first and second rotation tracks each including rotating slits. A light guiding unit radially guides light from the light source toward an entire outer circumference of the disc to the first and second rotation tracks. The light guiding unit includes a first light guiding section and second light guiding sections. The first light guiding section includes a ring-shaped surface directly or indirectly opposed to a rotation track. The first light guiding section radially guides the light out from the ring-shaped surface toward the first rotation track. The second light guiding sections guide part of the radially guided light to the second rotation track.

3. 发明公开

EP2302331A3 Linear encoder, linear motor system, and method of manufacturing linear encoder 审中-公开
标题翻译：线性编码器，直线电机系统以及制造的线性编码器的方法
公开(公告)号：EP2302331A3
公开(公告)日：2013-12-04
申请号：EP10175635.1
申请日：2010-09-07
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Yoshida, Yasushi , Arinaga, Yuji , Yoshidomi, Shirou , Yamaguchi, Yosuke , Muraoka, Jiro
IPC分类号： G01D5/26
CPC分类号： G01D5/266 , Y10T29/49002
摘要： An encoder includes: a main scale having two or more band-shaped tracks in each of which an optical main grating is formed so that longitudinal direction of the main scale corresponds to a measurement axis direction; and an index scale opposed to the main scale so as to form a diffraction interference optical system in cooperation with the main grating, disposed so as to be movable relative to the main scale in the measurement axis direction, and in which two or more optical index gratings are formed. A purality of slits included in the main grating in at least one track are formed so as to be inclined at a predetermined inclination angle from a direction perpendicular to the measurement axis direction so that pitch of the slits in the track becomes equal to the pitch of the slits in the at least one other track.

4. 发明公开

EP2703783A2 Motor unit with magnetic rotation detector 审中-公开
标题翻译： Motoreinheit mit磁性Drehgeber
公开(公告)号：EP2703783A2
公开(公告)日：2014-03-05
申请号：EP13182809.7
申请日：2013-09-03
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Yoshidomi, Shiro , Murokita, Ikuma , Arinaga, Yuji , Yoshida, Yasushi , Muraoka, Jiro , Oyama, Shoji
IPC分类号： G01D5/14
CPC分类号： H02K11/22 , G01D5/145 , G01P3/487 , H02K11/225
摘要： A rotation detector (1) provided in a motor unit (210) according to an embodiment includes a first support and a second support (11, 12), a pair of magnetic field generator (21, 22; 23, 24), at least one magnetic field detector (31; 32; 33), and a first magnetic member and a second magnetic member (41, 42; 43, 44; 45, 46). The pair of magnetic field generator (21, 22; 23, 24) is provided on the first support (11) in a manner facing the second support (12), and has opposite polarities. The magnetic field detector (31; 32; 33) is formed by winding a coil (36) around a magnetic element (35) whose magnetized direction changes in the longitudinal direction, and is provided on the second support (12) in such a manner that a longitudinal-direction side of the magnetic element (35) faces the first support (11). Each of the first magnetic member and the second magnetic member (41, 42; 43, 44; 45, 46) is made of a magnetic material, and covers a longitudinal-direction end of the magnetic field detector (31; 32; 33) facing the first support (11).
摘要翻译：设置在根据实施例的电动机单元（210）中的旋转检测器（1）包括第一支撑件和第二支撑件（11,12），至少一对磁场发生器（21,22; 23,24）一个磁场检测器（31; 32; 33），以及第一磁性部件和第二磁性部件（41,42; 43,44,45,46）。一对磁场发生器（21,22; 23,24）以面对第二支撑件（12）的方式设置在第一支撑件（11）上，具有相反的极性。该磁场检测器（31; 32; 33）通过围绕磁化方向沿纵向变化的磁性元件（35）缠绕线圈（36）而形成，并且以这种方式设置在第二支撑件（12）上磁性元件（35）的纵向侧面对第一支撑件（11）。第一磁性构件和第二磁性构件（41,42; 43,44,45,46）中的每一个由磁性材料制成，并且覆盖磁场检测器（31; 32; 33）的纵向端部，面对第一支撑（11）。

5. 发明公开

EP2579004A2 Optical entire-circumference encoder and motor system 审中-公开
标题翻译： Optischer Gesamtumfangskodierer和Motorsystem
公开(公告)号：EP2579004A2
公开(公告)日：2013-04-10
申请号：EP12186547.1
申请日：2012-09-28
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Muraoka, Jiro , Inoue, Sadatoshi
IPC分类号： G01D5/347
CPC分类号： G01D5/34723 , G01D5/3473
摘要： An optical entire-circumference encoder includes a substrate. A light source is disposed on a rotation axis and a first surface of the substrate. A disc, rotatable about the rotation axis, is disposed on a second surface of the substrate. The disc includes first and second rotation tracks each including rotating slits. A light guiding unit radially guides light from the light source toward an entire outer circumference of the disc to the first and second rotation tracks. The light guiding unit includes a first light guiding section and second light guiding sections. The first light guiding section includes a ring-shaped surface directly or indirectly opposed to a rotation track. The first light guiding section radially guides the light out from the ring-shaped surface toward the first rotation track. The second light guiding sections guide part of the radially guided light to the second rotation track.
摘要翻译：光学全周编码器包括基板。光源设置在基板的旋转轴线和第一表面上。围绕旋转轴线旋转的盘被设置在基板的第二表面上。盘包括每个包括旋转狭缝的第一和第二旋转轨迹。光引导单元将来自光源的光朝向盘的整个外周径向引导到第一和第二旋转轨道。导光单元包括第一导光部和第二导光部。第一导光部包括与旋转轨道直接或间接相对的环状表面。第一导光部将光从环状表面向第一旋转轨道径向引导。所述第二导光部将所述径向引导光的一部分引导到所述第二旋转轨道。

6. 发明公开

EP2487464A3 Encoder, optical module, and servo system 有权
标题翻译：编码器，光学模块，和伺服系统
公开(公告)号：EP2487464A3
公开(公告)日：2013-03-06
申请号：EP12154674.1
申请日：2012-02-09
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Yoshida, Yasushi , Yoshidomi, Shirou , Matsutani, Yasuhiro , Muraoka, Jiro
IPC分类号： G01D5/347 , G01D5/245
CPC分类号： G01D5/34715 , G01D5/145 , G01D5/24461 , G01D5/34792
摘要： There are provided slit arrays (SA1, SA2) comprising a plurality of reflection slits arranged side by side along a measurement axis and an optical module (130) capable of relatively moving on a measurement axis (C) while facing part of the slit arrays, wherein the optical module comprises a light source (131) that irradiates the slit array with light and light receiving arrays (PA1, PA2) comprising a plurality of light receiving elements arranged side by side along the measurement axis and arranged in positions offset with respect to the point light source in a width (R) direction perpendicular to the measurement axis in a plane parallel to the slit array, the light receiving elements being respectively receiving light irradiated from the point light source and reflected from the reflection slit, and the plurality of light receiving elements comprises respective shapes such that the light receiving element nearer to the point light source in the measurement axis direction comprises a shorter length in the width direction and end parts (En) on an opposite side of the light receiving elements (P0, P1, P2, P3, P4) with respect to the light source in the width direction are arranged side by side in positions along the measurement axis.

7. 发明公开

EP2887025A1 Encoder, optical module, and servo system 审中-公开
标题翻译： Codierer，optisches Modul und Servosystem
公开(公告)号：EP2887025A1
公开(公告)日：2015-06-24
申请号：EP14200397.9
申请日：2012-02-09
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Yoshida, Yasushi , Matsutani, Yasuhiro , Muraoka, Jiro , Yoshidomi, Shirou
IPC分类号： G01D5/347 , G01D5/245
CPC分类号： G01D5/34776 , G01D5/145 , G01D5/34715 , G01D5/3473 , G01D5/34792
摘要： There are provided slit arrays (SA1, SA2) comprising a plurality of reflection slits arranged side by side along a measurement axis and an optical module (130) capable of relatively moving on a measurement axis (C) while facing part of the slit arrays, wherein the optical module comprises a light source (131) that irradiates the slit array with light and light receiving arrays (PA1, PA2) comprising a plurality of light receiving elements arranged side by side along the measurement axis and arranged in positions offset with respect to the point light source in a width (R) direction perpendicular to the measurement axis in a plane parallel to the slit array, the light receiving elements being respectively receiving light irradiated from the point light source and reflected from the reflection slit, and the plurality of light receiving elements comprises respective shapes such that the light receiving element nearer to the point light source in the measurement axis direction comprises a shorter length in the width direction and end parts (En) on an opposite side of the light receiving elements (P0, P1, P2, P3, P4) with respect to the light source in the width direction are arranged side by side in positions along the measurement axis.
摘要翻译：提供了包括沿着测量轴并排布置的多个反射狭缝的狭缝阵列（SA1，SA2）和能够在测量轴线（C）上相对移动同时面向部分狭缝阵列的光学模块（130）其特征在于，所述光学模块包括用光和光接收阵列（PA1，PA2）照射所述狭缝阵列的光源（131），所述光和光接收阵列（PA1，PA2）包括沿着所述测量轴并排布置的多个光接收元件，并布置在相对于在与狭缝阵列平行的平面中与测量轴垂直的宽度（R）方向上的点光源，受光元件分别接收从点光源照射并从反射狭缝反射的光，光接收元件包括各种形状，使得在测量轴线方向上更接近点光源的光接收元件包括：相对于光源在宽度方向上的宽度方向上的长度和光接收元件（P0，P1，P2，P3，P4）的相对侧的端部（En）沿宽度方向并排布置测量轴。

8. 发明公开

EP2755306A2 Rotation detector of a motor unit 审中-公开
标题翻译： Rotationsdetektor einer Motoreinheit
公开(公告)号：EP2755306A2
公开(公告)日：2014-07-16
申请号：EP14151048.7
申请日：2014-01-14
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Yoshidomi, Shiro , Murokita, Ikuma , Yoshida, Yasushi , Muraoka, Jiro , OYAMA, Shoji
IPC分类号： H02K11/00
CPC分类号： G01B7/30 , G01P3/487 , H02K11/225
摘要： A rotation detector (1) of a motor unit (210) according to an embodiment includes a first support and a second support (11, 12), a pair of magnetic field forming units (21, 22, 23, 24), at least one magnetic field detector (31, 32, 33), and a first magnetic member and a second magnetic member (41, 42, 43, 44, 45, 46). The first magnetic member and the second magnetic member (41, 42, 43, 44, 45, 46) are each made of a magnetic material, cover longitudinal-direction both ends of the magnetic field detector (31, 32, 33) facing the first support (11), respectively, and face each other with a gap (S1) interposed therebetween at a longitudinal-direction mid-portion of the magnetic field detector (31, 32, 33) in the longitudinal direction. A dimension (D1) of each of the magnetic field forming units (21, 22, 23, 24) in a tangential direction of a circumference (R) is larger than a dimension (D4) of the corresponding magnetic field forming unit (21, 22, 23, 24) in a radial direction and is larger than the distance of the gap (S1).
摘要翻译：根据实施例的电动机单元（210）的旋转检测器（1）包括第一支撑件和第二支撑件（11,12），至少一对磁场形成单元（21,22,23,24）一个磁场检测器（31,32,33），以及第一磁性部件和第二磁性部件（41,42,43,44,45,46）。第一磁性构件和第二磁性构件（41,42,43,44,45,46）各自由磁性材料制成，将磁场检测器（31,32,33）的纵向两端覆盖为面向第一支撑件（11），并且在纵向方向上在磁场检测器（31,32,33）的纵向中间部分处于间隔（S1）处彼此面对。在圆周（R）的切线方向上的每个磁场形成单元（21,22,23,24）的尺寸（D1）大于对应的磁场形成单元（21， 22,23,24），并且大于间隙的距离（S1）。

9. 发明公开

EP2375222A2 Optical entire-circumference encoder and motor system 审中-公开
标题翻译： Optischer Gesamtumfangskodierer和Motorsystem
公开(公告)号：EP2375222A2
公开(公告)日：2011-10-12
申请号：EP11150667.1
申请日：2011-01-11
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Inoue, Sadatoshi , Muraoka, Jiro
IPC分类号： G01D5/347
CPC分类号： G01D5/3473
摘要： An optical entire-circumference encoder has: a plurality of rotation slits formed at an equal pitch radially around the rotation axis as a center in a rotation track and transmitting light; a plurality of fixed slits formed at an equal pitch in the regions radially around the rotation axis as a center in the fixed track and transmitting light; and two or more light receivers disposed in a vicinity of the rotation axis and receiving the light guided by a light guiding unit in the two or more regions. The plurality of fixed slits in one of the regions and the plurality of fixed slits in another region adjacent to the one region are formed so that a phase difference by which a rotation direction is determined occurs between light reception signals of the two or more light receivers.
摘要翻译：光学全周编码器具有：多个旋转狭缝，以相等的间距以旋转轴为中心径向旋转，形成为旋转轨迹的中心并透光; 多个固定狭缝，以等间距在径向绕旋转轴线的区域中形成为固定轨道的中心并透光; 以及设置在旋转轴附近的两个以上的光接收器，并且接收由两个以上的区域中的导光单元引导的光。这些区域中的一个区域中的多个固定狭缝和与该区域相邻的另一区域中的多个固定狭缝形成为在两个或多个光接收器的光接收信号之间发生确定旋转方向的相位差。

10. 发明公开

EP2302333A3 Rotary encoder, rotary motor, rotary motor system, disk, and method of manufacturing rotary encoder 审中-公开
标题翻译：编码器，油压马达，压力油马达系统圆盘和制造的旋转编码器的方法
公开(公告)号：EP2302333A3
公开(公告)日：2012-10-24
申请号：EP10175633.6
申请日：2010-09-07
申请人： Kabushiki Kaisha Yaskawa Denki
发明人： Yoshida, Yasushi , Arinaga, Yuji , Yoshidomi, Shirou , Yamaguchi, Yosuke , Muraoka, Jiro
IPC分类号： G01D5/347 , G01D5/38
CPC分类号： G01D5/3473 , G01D5/38
摘要： An encoder includes a disc-shaped disk disposed so as to be rotatable about a rotation axis and having at least one ring-shaped track in which a rotating grating is formed and at least one fixed grating which is fixedly disposed opposed to the disk so that the fixed grating and the rotating grating construct a diffraction interference optical system. Each of a plurality of slits included in the at least one rotating grating is formed along a curved line obtained by making each of a plurality of radial lines using the rotation axis as a center curved in the circumferential direction at a predetermined curve degree so that a pitch of the slits can be set to a predetermined value.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式