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1. 发明授权

US09562794B2 Encoder, motor with encoder, and servo system having a plurality of light receiving array to receive light reflected by slit tracks comprising incremental patterns and absolute pattern 有权
标题翻译：具有编码器的编码器，电动机和具有多个光接收阵列的伺服系统，以接收由狭缝轨迹反射的光，包括增量图案和绝对图案
公开(公告)号：US09562794B2
公开(公告)日：2017-02-07
申请号：US14532006
申请日：2014-11-04
申请人： KABUSHIKI KAISHA YASKAWA DENKI
发明人： Yasushi Yoshida , Yasuhiro Matsutani , Shiro Yoshidomi , Hiroshi Takada , Yuji Arinaga , Ikuma Murokita , Masanobu Harada , Hiroki Kondo
IPC分类号： G01D5/347
CPC分类号： G01D5/34776 , G01D5/3473 , G01D5/34738
摘要： An encoder includes a plurality of slit tracks, a point light source, a first light-receiving array, a second light-receiving array, and a third light-receiving array. The plurality of slit tracks respectively comprises a plurality of reflection slits arranged along a measurement direction. The point light source is configured to emit diffusion light to the plurality of slit tracks. The first light-receiving array is configured to receive light reflected by the slit track comprising an incremental pattern. The second light-receiving array is configured to receive light reflected by the slit track comprising an incremental pattern longer in pitch than other incremental patterns. The third light-receiving array is configured to receive light reflected by the slit track comprising an absolute pattern.
摘要翻译：编码器包括多个狭缝轨道，点光源，第一光接收阵列，第二光接收阵列和第三光接收阵列。多个狭缝轨道分别包括沿着测量方向布置的多个反射狭缝。点光源被配置为向多个狭缝轨道发射漫射光。第一光接收阵列被配置为接收由包括增量图案的狭缝轨迹反射的光。第二光接收阵列被配置为接收由狭缝轨道反射的光，其包括以比其它增量图案更长的间距的增量图案。第三光接收阵列被配置为接收由包括绝对图案的狭缝轨迹反射的光。

2. 发明授权

US09436166B2 Encoder, motor with encoder, and servo system 有权
标题翻译：编码器，带编码器的电机和伺服系统
公开(公告)号：US09436166B2
公开(公告)日：2016-09-06
申请号：US14532007
申请日：2014-11-04
申请人： KABUSHIKI KAISHA YASKAWA DENKI
发明人： Yasushi Yoshida , Yasuhiro Matsutani , Shiro Yoshidomi , Hiroshi Takada , Yuji Arinaga , Ikuma Murokita , Masanobu Harada , Hiroki Kondo
IPC分类号： G01D5/347 , G01D5/245 , G05B1/04 , G01D5/36
CPC分类号： G05B1/04 , G01D5/34792 , G01D5/36 , H02K11/22
摘要： An encoder includes a plurality of slit tracks, a point light source, a first to third light-receiving arrays. The plurality of slit tracks respectively comprises a plurality of reflection slits. The point light source emits diffusion light to the plurality of slit tracks. The first light-receiving array receives light reflected by the slit track comprising an incremental pattern. The second light-receiving array receives light reflected by the slit track comprising an incremental pattern longer in pitch than other incremental patterns, and is disposed at a position on a side of a direction where the point light source is disposed, than the first light-receiving array, The third light-receiving array receives light reflected by the slit track comprising an absolute pattern, and is disposed at a position on a side of a direction where the point light source is disposed, than the first light-receiving array.
摘要翻译：编码器包括多个狭缝轨道，点光源，第一至第三光接收阵列。多个狭缝轨道分别包括多个反射狭缝。点光源向多个狭缝轨道发射扩散光。第一光接收阵列接收由包括增量图案的狭缝轨迹反射的光。第二光接收阵列接收由狭缝轨道反射的光，其包括以比其它增量图案更长的间距的增量图案，并且被布置在比所述第一光接收阵列的设置有点光源的方向的一侧上的位置，接收阵列，第三受光阵列接收由包括绝对图案的狭缝轨迹反射的光，并且设置在比第一光接收阵列更靠近点光源的方向的一侧的位置。

3. 发明授权

US09423279B2 Encoder, motor with encoder, and servo system 有权
标题翻译：编码器，带编码器的电机和伺服系统
公开(公告)号：US09423279B2
公开(公告)日：2016-08-23
申请号：US14526535
申请日：2014-10-29
申请人： KABUSHIKI KAISHA YASKAWA DENKI
发明人： Yasushi Yoshida , Yasuhiro Matsutani , Shiro Yoshidomi , Hiroshi Takada , Yuji Arinaga , Ikuma Murokita , Masanobu Harada , Hiroki Kondo
IPC分类号： G01R31/02 , G01D5/347 , G05B1/04 , G01D5/245
CPC分类号： G01D5/3473 , G01D5/2458 , G01D5/34792 , G05B1/04
摘要： An optical module includes: a light source configured to emit diffusion light to tracks; one light receiving array and another light receiving array which are arranged across the light source in a width direction substantially vertical to the measurement direction; a light receiving array arranged between the one light receiving array and the light source, and configured to receive light which is reflected at the tracks having a first incremental pattern; and a light receiving array arranged between the another first light receiving array and the light source, and configured to receive light which is reflected at the tracks having a second incremental pattern which pitch is longer than a pitch of the first incremental pattern.
摘要翻译：光学模块包括：被配置为向轨道发射漫射光的光源; 一个光接收阵列和另一个光接收阵列，其在基本上垂直于测量方向的宽度方向上横跨光源布置; 布置在所述一个光接收阵列和所述光源之间并被配置为接收在具有第一增量图案的轨道处被反射的光的光接收阵列; 以及光接收阵列，其布置在所述另一第一光接收阵列和所述光源之间，并且被配置为接收在所述轨道处被反射的光，所述光具有第二增量图案，所述第二增量图案的间距比所述第一增量图案的间距长。

4. 发明授权

US09335185B2 Encoder, motor with encoder, and servo system 有权
标题翻译：编码器，带编码器的电机和伺服系统
公开(公告)号：US09335185B2
公开(公告)日：2016-05-10
申请号：US14532003
申请日：2014-11-04
申请人： KABUSHIKI KAISHA YASKAWA DENKI
发明人： Yasushi Yoshida , Yasuhiro Matsutani , Shiro Yoshidomi , Hiroshi Takada , Yuji Arinaga , Ikuma Murokita , Masanobu Harada , Hiroki Kondo
IPC分类号： G01D5/347 , G01D5/245 , H02K11/00 , G05B1/04
CPC分类号： G01D5/3473 , G01D5/24438 , G01D5/34715 , G01D5/34746 , G05B1/04 , G05B2219/37104 , H02K11/22
摘要： The encoder includes a plurality of slit tracks, a point light source, two first light-receiving arrays, two second light-receiving arrays, and a third light-receiving array. The plurality of slit tracks respectively comprises a plurality of reflection slits arranged along a measurement direction. The point light source is configured to emit diffusion light to the plurality of slit tracks. The two first light-receiving arrays are disposed sandwiching the point light source in a width direction substantially orthogonal to the measurement direction. The two second light-receiving arrays are disposed sandwiching the point light source in the measurement direction. The third light-receiving array is configured to receive light reflected by the slit track comprising an incremental pattern that differs in pitch from other incremental patterns, and is disposed at a position in a direction where the first light-receiving array is disposed than the point light source.
摘要翻译：编码器包括多个狭缝轨道，点光源，两个第一光接收阵列，两个第二光接收阵列和第三光接收阵列。多个狭缝轨道分别包括沿着测量方向布置的多个反射狭缝。点光源被配置为向多个狭缝轨道发射漫射光。两个第一光接收阵列被布置成在基本上与测量方向正交的宽度方向上夹着点光源。将两个第二光接收阵列设置成在测量方向上夹着点光源。第三光接收阵列被配置为接收由狭缝轨道反射的光，其包括具有与其他增量图案不同的间距的增量图案，并且被布置在比所述第一光接收阵列设置的方向上的位置光源。

5. 发明授权

US09625283B2 Encoder having light receiving elements, motor with encoder, and servo system with encoder 有权
公开(公告)号：US09625283B2
公开(公告)日：2017-04-18
申请号：US14526533
申请日：2014-10-29
申请人： KABUSHIKI KAISHA YASKAWA DENKI
发明人： Yasushi Yoshida , Yasuhiro Matsutani , Shiro Yoshidomi , Hiroshi Takada , Yuji Arinaga , Ikuma Murokita , Masanobu Harada , Hiroki Kondo
IPC分类号： G01D5/347
CPC分类号： G01D5/34792 , G01D5/3473
摘要： An encoder includes a track having optical effecters arranged to have an absolute pattern in a measurement direction, a light source configured to emit diffusion light to the track, and a light receiving array configured to have light receiving elements arranged in the measurement direction and to receive light reflected or transmitted by the track. The light receiving elements fall within an area which is positioned corresponding to an area between the optical effecters and to which the light reflected by the track dose not reach.

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