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1. 发明申请

US20080117992A1 Encoding Signal Processing Device And Signal Processing Method Therefor 失效
标题翻译：编码信号处理装置及其信号处理方法
公开(公告)号：US20080117992A1
公开(公告)日：2008-05-22
申请号：US11665965
申请日：2005-09-29
申请人： Ikuma Murokita , Takefumi Kabashima , Yuji Arinaga , Yasushi Yoshida
发明人： Ikuma Murokita , Takefumi Kabashima , Yuji Arinaga , Yasushi Yoshida
IPC分类号： H03M1/12
CPC分类号： G01D5/24452 , G01D5/2449
摘要： There is provided a position detecting signal with high accuracy in which a high order distortion error is corrected by the use of a simple processing circuit and method. Two measuring targets which are not illustrated are displaced at a constant velocity, and an analog signals Sa and Sb detected with displacement by the sensor signal detection section are converted into digital data by A/D converter (1). Then, position data θ0 is calculated by position data calculator (2). Next, the position data θ0 is encoded in an error-correction parameter acquiring section (3) and stored in a first memory (4). When a power source is applied, an error-containing position data preparing section (5) decodes by reading out a correction coefficient. An error-correction position table preparing section (6) prepares a decoded data and a correction table of ideal position data and recodes in a second memory (7). When a driving is started, an error correcting section (8) reads out the position data and gives an output of the corrected position data with reference to the correction table in the position data.
摘要翻译：提供了通过使用简单的处理电路和方法来校正高阶失真误差的高精度的位置检测信号。未示出的两个测量对象以恒定速度移位，并且由传感器信号检测部分通过位移检测的模拟信号Sa和Sb由A / D转换器（1）转换成数字数据。然后，通过位置数据计算器（2）计算位置数据θ<0>。接下来，位置数据θ0被编码在纠错参数获取部分（3）中并存储在第一存储器（4）中。当施加电源时，含错误位置数据准备部分（5）通过读出校正系数来解码。纠错位置表准备部（6）在第二存储器（7）中准备解码数据和理想位置数据的校正表并重新编码。当驱动开始时，误差校正部（8）读出位置数据，并参照位置数据中的校正表给出校正位置数据的输出。

2. 发明授权

US08546744B2 Rotary encoder, rotary motor, rotary motor system, disk, and method of manufacturing rotary encoder 失效
标题翻译：旋转编码器，旋转电机，旋转电机系统，磁盘和旋转编码器的制造方法
公开(公告)号：US08546744B2
公开(公告)日：2013-10-01
申请号：US12882211
申请日：2010-09-15
申请人： Yasushi Yoshida , Yuji Arinaga , Shirou Yoshidomi , Yosuke Yamaguchi , Jiro Muraoka
发明人： Yasushi Yoshida , Yuji Arinaga , Shirou Yoshidomi , Yosuke Yamaguchi , Jiro Muraoka
IPC分类号： G01D5/34
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.
摘要翻译：编码器包括盘形盘，该盘形盘能够围绕旋转轴线旋转并且具有至少一个环形轨道，其中形成旋转光栅;以及至少一个固定光栅，其固定设置成与光盘相对设置，使得固定光栅和旋转光栅构成衍射干涉光学系统。包括在至少一个旋转光栅中的多个狭缝中的每一个沿着弯曲线形成，该曲线通过使用旋转轴线的多个径向线以圆周方向以预定的弯曲度弯曲，从而使狭缝的间距可以被设定为预定值。

3. 发明授权

US08354815B2 Linear encoder, linear motor system, and method of manufacturing linear encoder 失效
标题翻译：线性编码器，线性电机系统和线性编码器的制造方法
公开(公告)号：US08354815B2
公开(公告)日：2013-01-15
申请号：US12884495
申请日：2010-09-17
申请人： Yasushi Yoshida , Yuji Arinaga , Shirou Yoshidomi , Yosuke Yamaguchi , Jiro Muraoka
发明人： Yasushi Yoshida , Yuji Arinaga , Shirou Yoshidomi , Yosuke Yamaguchi , Jiro Muraoka
IPC分类号： G05B19/29
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 plurality 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.
摘要翻译：一种编码器包括：具有两个或更多个带状轨道的主刻度，每个带状轨道形成有光学主光栅，使得主刻度的纵向方向对应于测量轴方向; 以及与主刻度相对的折射率标尺，以便与主光栅配合形成衍射干涉光学系统，该衍射干涉光学系统被设置为能够相对于测量轴方向上的主刻度移动，并且其中两个或更多个光学折射率形成光栅。在至少一个轨道中的主光栅中包括的多个狭缝形成为从与测量轴方向垂直的方向以预定的倾斜角倾斜，使得轨道中的狭缝的间距变得等于所述至少一个其它轨道中的狭缝。

4. 发明授权

US08148674B2 Optical encoder for detecting relative rotation angle for two members 有权
标题翻译：用于检测两个构件的相对旋转角度的光学编码器
公开(公告)号：US08148674B2
公开(公告)日：2012-04-03
申请号：US12293862
申请日：2007-03-15
申请人： Yasushi Yoshida , Yuji Arinaga
发明人： Yasushi Yoshida , Yuji Arinaga
IPC分类号： G01D5/34
CPC分类号： G01D5/366 , G01D5/3473
摘要： An optical encoder, with a simple structure, that can output a high-precision origin signal is provided.Rotary origin phase slits (112), which are formed into a pattern of linear slits arranged in parallel at equal pitches, are prepared for a rotary disk (110), while fixed origin phase slits (122), which are formed into a pattern of linear slits arranged in parallel at equal pitches, are prepared for a fixed origin phase scale (120). Light emitted by a light source (130) passes through an ejection window (121) and irradiates the rotary origin phase slits (112). The light reflected at the rotary origin phase slits (112) passes through the fixed origin phase slits (122) and is detected by a light-receiving element (140). Then, based on the detection signal, an origin signal is generated.
摘要翻译：提供了一种结构简单的可以输出高精度原点信号的光学编码器。旋转圆盘（110）准备旋转原点相位狭缝（112），其形成为以相等间距平行布置的线状狭缝图案，同时固定原点相狭缝（122）形成为为固定原点相位刻度（120）准备以等间距平行布置的线状狭缝。由光源（130）发射的光通过喷射窗（121）并照射旋转原点相狭缝（112）。在旋转原点相位狭缝112处反射的光穿过固定原点相位狭缝122，并被光接收元件140检测。然后，基于检测信号，产生原点信号。

5. 发明授权

US07496462B2 Encoding signal processing device and signal processing method therefor 失效
标题翻译：编码信号处理装置及其信号处理方法
公开(公告)号：US07496462B2
公开(公告)日：2009-02-24
申请号：US11665965
申请日：2005-09-29
申请人： Ikuma Murokita , Takefumi Kabashima , Yuji Arinaga , Yasushi Yoshida
发明人： Ikuma Murokita , Takefumi Kabashima , Yuji Arinaga , Yasushi Yoshida
IPC分类号： H03M1/12
CPC分类号： G01D5/24452 , G01D5/2449
摘要： An encoder signal processing device comprising an A/D converter converting a periodic analog signal, a memory storing position detection error information and a computing unit including a position data calculator which calculates position data from the digital data and an error correcting section which corrects the position data based on the position detection error information. The memory includes a first memory encoding position error data which is included in the position data by the use of the computing unit and storing a correction coefficient. A second memory decoding the position error data on the basis of the correction coefficient by the use of the computing unit and storing correction data for correcting the position data and error-containing position data generated on the basis of the encoded position error data.
摘要翻译：一种编码器信号处理装置，包括转换周期性模拟信号的A / D转换器，存储位置检测误差信息的存储器和包括从数字数据计算位置数据的位置数据计算器和校正位置的纠错部分的计算单元基于位置检测错误信息的数据。存储器包括通过使用计算单元包括在位置数据中并存储校正系数的第一存储器编码位置误差数据。第二存储器通过使用计算单元基于校正系数解码位置误差数据，并存储用于校正基于编码位置误差数据生成的位置数据和包含错误的位置数据的校正数据。

6. 发明申请

US20110069390A1 ROTARY ENCODER, ROTARY MOTOR, ROTARY MOTOR SYSTEM, DISK, AND METHOD OF MANUFACTURING ROTARY ENCODER 失效
标题翻译：旋转编码器，旋转电机，旋转电机系统，磁盘和制造旋转编码器的方法
公开(公告)号：US20110069390A1
公开(公告)日：2011-03-24
申请号：US12882211
申请日：2010-09-15
申请人： Yasushi Yoshida , Yuji Arinaga , Shirou Yoshidomi , Yosuke Yamaguchi , Jiro Muraoka
发明人： Yasushi Yoshida , Yuji Arinaga , Shirou Yoshidomi , Yosuke Yamaguchi , Jiro Muraoka
IPC分类号： G02B27/44 , B05D5/06
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.
摘要翻译：编码器包括盘形盘，该盘形盘能够围绕旋转轴线旋转并且具有至少一个环形轨道，其中形成旋转光栅;以及至少一个固定光栅，其固定设置成与光盘相对设置，使得固定光栅和旋转光栅构成衍射干涉光学系统。包括在至少一个旋转光栅中的多个狭缝中的每一个沿着弯曲线形成，该曲线通过使用旋转轴线的多个径向线以圆周方向以预定的弯曲度弯曲，从而使狭缝的间距可以被设定为预定值。

7. 发明申请

US20090321621A1 OPTICAL ENCODER 有权
标题翻译：光学编码器
公开(公告)号：US20090321621A1
公开(公告)日：2009-12-31
申请号：US12293862
申请日：2007-03-15
申请人： Yasushi Yoshida , Yuji Arinaga
发明人： Yasushi Yoshida , Yuji Arinaga
IPC分类号： G01D5/36
CPC分类号： G01D5/366 , G01D5/3473
摘要： An optical encoder, with a simple structure, that can output a high-precision origin signal is provided.Rotary origin phase slits (112), which are formed into a pattern of linear slits arranged in parallel at equal pitches, are prepared for a rotary disk (110), while fixed origin phase slits (122), which are formed into a pattern of linear slits arranged in parallel at equal pitches, are prepared for a fixed origin phase scale (120). Light emitted by a light source (130) passes through an ejection window (121) and irradiates the rotary origin phase slits (112). The light reflected at the rotary origin phase slits (112) passes through the fixed origin phase slits (122) and is detected by a light-receiving element (140). Then, based on the detection signal, an origin signal is generated.
摘要翻译：提供了一种结构简单的可以输出高精度原点信号的光学编码器。旋转圆盘（110）准备旋转原点相位狭缝（112），其形成为以相等间距平行布置的线状狭缝图案，同时固定原点相狭缝（122）形成为为固定原点相位刻度（120）准备以等间距平行布置的线状狭缝。由光源（130）发射的光通过喷射窗（121）并照射旋转原点相狭缝（112）。在旋转原点相位狭缝112处反射的光穿过固定原点相位狭缝122，并被光接收元件140检测。然后，基于检测信号，产生原点信号。

8. 发明授权

US08674287B2 Encoder, optical module and servo system including plural light receiving elements having respective shapes with respect to a point light source 有权
标题翻译：编码器，光学模块和伺服系统包括相对于点光源具有各自形状的多个光接收元件
公开(公告)号：US08674287B2
公开(公告)日：2014-03-18
申请号：US13368340
申请日：2012-02-08
申请人： Yasushi Yoshida , Shirou Yoshidomi , Yasuhiro Matsutani , Jiro Muraoka
发明人： Yasushi Yoshida , Shirou Yoshidomi , Yasuhiro Matsutani , Jiro Muraoka
IPC分类号： G01D5/34
CPC分类号： G01D5/34776 , G01D5/145 , G01D5/34715 , G01D5/3473 , G01D5/34792
摘要： An encoder includes a slit array along a first measurement axis, and an optical module capable of relatively moving with respect to the slit array. The optical module comprises a point light source that irradiates the part of the slit array, and a light receiving array comprising a plurality of light receiving elements along a second measurement axis and arranged in positions offset with respect to the point light source. The light receiving elements is receiving light irradiated from the point light source and reflected from the reflection slit. The plurality of light receiving elements comprises respective shapes such that the light receiving element nearer to the point light source comprises a shorter length in a width direction and end parts on an opposite side of the light receiving element with respect to the point light source are arranged side by side in positions along the second measurement axis.
摘要翻译：编码器包括沿着第一测量轴的狭缝阵列和能够相对于狭缝阵列相对移动的光学模块。光学模块包括照射狭缝阵列的一部分的点光源和包括沿着第二测量轴线的多个光接收元件并且布置在相对于点光源偏移的位置的光接收阵列。光接收元件接收从点光源照射并从反射狭缝反射的光。多个光接收元件包括各自的形状，使得更靠近点光源的光接收元件在宽度方向上具有较短的长度，并且布置在相对于点光源的光接收元件的相对侧上的端部并排沿着第二测量轴的位置。

9. 外观设计

USD690672S1 Encoder optical module 有权
标题翻译：编码器光模块
公开(公告)号：USD690672S1
公开(公告)日：2013-10-01
申请号：US29417542
申请日：2012-04-04
申请人： Yasushi Yoshida , Shirou Yoshidomi , Yasuhiro Matsutani , Jiro Muraoka
设计人： Yasushi Yoshida , Shirou Yoshidomi , Yasuhiro Matsutani , Jiro Muraoka

10. 发明授权

US08445835B2 Encoder, servo unit and encoder manufacturing method 有权
标题翻译：编码器，伺服单元和编码器制造方法
公开(公告)号：US08445835B2
公开(公告)日：2013-05-21
申请号：US13008915
申请日：2011-01-19
申请人： Yasushi Yoshida , Shirou Yoshidomi , Jiro Muraoka
发明人： Yasushi Yoshida , Shirou Yoshidomi , Jiro Muraoka
IPC分类号： G01D5/34
CPC分类号： G01D5/38 , G01D5/3473 , H02K11/22 , Y10T29/49895
摘要： An encoder includes a disk including a first track and a second track each being ring-shaped and provided with a rotary grating, and a first detector and a second detector that are fixedly disposed so as to respectively face the first track and the second track each provided with a fixed grating that detects diffracted interfering light. A plurality of slits of the first track are formed as curved slits. The first detector facing the first track is disposed at a position where a tangent of each of the slits included in the diffraction grating of the first track becomes parallel to a tangent of each of the slits included in the diffraction grating of the second track at a position where the second detector faces the second track.
摘要翻译：一种编码器包括：盘，包括第一轨道和第二轨道，每个第一轨道和第二轨道各自是环形的并且设置有旋转光栅;以及第一检测器和第二检测器，其被固定地设置成分别面对第一轨道和第二轨道，设置有检测衍射干涉光的固定光栅。第一轨道的多个狭缝形成为弯曲狭缝。面对第一轨道的第一检测器设置在第一轨道的衍射光栅中包括的每个狭缝的切线平行于包含在第二轨道的衍射光栅中的每个狭缝的切线的位置处第二检测器面对第二轨道的位置。

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