公开(公告)号：US07649168B2

公开(公告)日：2010-01-19

申请号：US11900252

申请日：2007-09-11

Applicant: Jun Hane ,  Eiji Yamamoto ,  Yoshimi Kuroda ,  Iwao Komazaki

Inventor： Jun Hane ,  Eiji Yamamoto ,  Yoshimi Kuroda ,  Iwao Komazaki

IPC: G01D5/34

CPC classification number: G01D5/38 ,  G01D5/34746

Abstract: In a triple slit optical encoder, a first grating and a third grating are formed on separate members, and values of a first effective width W1 and a first pitch p1 of an optical pattern on the first grating, and a third effective width W3 and a third pitch p3 of an optical pattern on the third grating are set to values such that a periodic signal having the amplitude effective for detection of a relative displacement of a scale is achieved based on periodicity of the self-image, refractive indices of substances of substances and/or spaces interposed in the optical path from a bare LED up to a photodetector, and the thickness of those substances and/or spaces in a direction substantially perpendicular to a plane on which the second grating is formed.

Abstract translation: 在三重狭缝光学编码器中，第一光栅和第三光栅形成在分离的部件上，第一光栅上的光学图案的第一有效宽度W1和第一间距p1的值以及第三有效宽度W3和 将第三光栅上的光学图案的第三间距p3设定为使得具有用于检测刻度的相对位移的有效幅度的周期信号基于自身图像的周期性，物质物质的折射率来实现 和/或插入到从裸LED到光电检测器的光路中的空间，以及这些物质和/或空间在基本上垂直于其上形成有第二光栅的平面的方向上的厚度。

公开(公告)号：US07102760B2

公开(公告)日：2006-09-05

申请号：US11075443

申请日：2005-03-08

Applicant: Eiji Yamamoto ,  Jun Hane ,  Iwao Komazaki

Inventor： Eiji Yamamoto ,  Jun Hane ,  Iwao Komazaki

IPC: G01B9/02

CPC classification number: H03M1/301 ,  G01D5/38

Abstract: An optical displacement sensor comprises a surface emitting laser light source, a scale and a photosensor. The surface emitting laser light source emits a light beam having a predetermined shape. The scale is displaceable in such a manner as to cross the light beam emitted from the surface emitting laser light source and has a diffraction grating of a predetermined period formed thereon for forming a diffraction interference pattern from the light beam. The photosensor receives a predetermined portion of the diffraction interference pattern. The photosensor includes light intensity detecting means comprised of a plurality of light receiving areas arranged apart from one another in a pitch direction of the diffraction interference pattern on a light receiving surface at intervals of np1 (z1 +z2)/z1 where z1 is a distance between a light-beam emitting surface of the surface emitting laser light source and a surface on which the diffraction grating is formed, z2 is a distance between the surface on which the diffraction grating is formed and the light receiving surface of the photosensor, p1 is the pitch of the diffraction grating on the scale, and n is a natural number.

Abstract translation: 光学位移传感器包括表面发射激光光源，刻度尺和光电传感器。 表面发射激光光源发射具有预定形状的光束。 标尺可以以与从表面发射激光光源发射的光束交叉的方式移位，并且具有形成在其上的预定周期的衍射光栅，用于从光束形成衍射干涉图案。 光传感器接收衍射干涉图案的预定部分。 光传感器包括光强度检测装置，其包括以np 1（z 1 + z 2）/ z 1的间隔在光接收表面上以衍射干涉图案的间距方向彼此分开布置的多个光接收区域，其中， z 1是表面发射激光光源的光束发射表面与其上形成衍射光栅的表面之间的距离，z 2是其上形成衍射光栅的表面与光接收表面之间的距离 的光电传感器，p 1是刻度上的衍射光栅的间距，n是自然数。

公开(公告)号：US20050157307A1

公开(公告)日：2005-07-21

申请号：US11075443

申请日：2005-03-08

Applicant: Eiji Yamamoto ,  Jun Hane ,  Iwao Komazaki

Inventor： Eiji Yamamoto ,  Jun Hane ,  Iwao Komazaki

IPC: G01D5/38 ,  H03M1/30 ,  G01B11/02

CPC classification number: H03M1/301 ,  G01D5/38

Abstract: An optical displacement sensor comprises a surface emitting laser light source, a scale and a photosensor. The surface emitting laser light source emits a light beam having a predetermined shape. The scale is displaceable in such a manner as to cross the light beam emitted from the surface emitting laser light source and has a diffraction grating of a predetermined period formed thereon for forming a diffraction interference pattern from the light beam. The photosensor receives a predetermined portion of the diffraction interference pattern. The photosensor includes light intensity detecting means comprised of a plurality of light receiving areas arranged apart from one another in a pitch direction of the diffraction interference pattern on a light receiving surface at intervals of np1(z1+z2)/z1 where z1 is a distance between a light-beam emitting surface of the surface emitting laser light source and a surface on which the diffraction grating is formed, z2 is a distance between the surface on which the diffraction grating is formed and the light receiving surface of the photosensor, p1 is the pitch of the diffraction grating on the scale, and n is a natural number.

Abstract translation: 光学位移传感器包括表面发射激光光源，刻度尺和光电传感器。 表面发射激光光源发射具有预定形状的光束。 标尺可以以与从表面发射激光光源发射的光束交叉的方式移位，并且具有形成在其上的预定周期的衍射光栅，用于从光束形成衍射干涉图案。 光传感器接收衍射干涉图案的预定部分。 光传感器包括光强度检测装置，该光强度检测装置包括多个光接收区域，该多个光接收区域以np1（z1 + z2）/ z1的间隔在光接收表面上沿衍射干涉图案的间距方向彼此分开布置，其中z1是距离 在表面发射激光光源的光束发射表面和其上形成衍射光栅的表面之间，z2是其上形成衍射光栅的表面与光电传感器的光接收表面之间的距离，p1是 刻度上的衍射光栅的间距，n是自然数。

公开(公告)号：US08186864B2

公开(公告)日：2012-05-29

申请号：US12651648

申请日：2010-01-04

Applicant: Iwao Komazaki ,  Eiji Yamamoto

Inventor： Iwao Komazaki ,  Eiji Yamamoto

IPC: A61B1/06 ,  F21S4/00 ,  F21V5/00 ,  G02B6/06 ,  A41F1/00 ,  H01L33/00 ,  H01J5/16

CPC classification number: A61B1/07 ,  A61B1/0653 ,  G02B5/0236 ,  G02B5/0278 ,  G02B5/0294 ,  G02B6/0008 ,  H01S5/005

Abstract: A light source device includes an excitation light source which generates excitation light, a fluorescent member containing a fluorescent substance which absorbs the excitation light to generate fluorescence, an emitting side optical member which is provided on an emitting end face of the fluorescent member, and a reflector which is provided on the side surface of the fluorescent member. The reflector has an optical property of reflecting the excitation light and the fluorescence. The emitting side optical member has an optical property of reflecting the excitation light and transmitting the fluorescence.

Abstract translation: 光源装置包括产生激发光的激发光源，包含吸收激发光以产生荧光的荧光物质的荧光部件，设置在荧光部件的发光端面的发光侧光学部件，以及 反射器设置在荧光部件的侧面。 反射器具有反射激发光和荧光的光学特性。 发射侧光学构件具有反射激发光并透射荧光的光学性质。

公开(公告)号：US07417218B2

公开(公告)日：2008-08-26

申请号：US11417357

申请日：2006-05-03

Applicant: Eiji Yamamoto ,  Yoshimi Kuroda ,  Jun Hane ,  Iwao Komazaki

Inventor： Eiji Yamamoto ,  Yoshimi Kuroda ,  Jun Hane ,  Iwao Komazaki

IPC: G01D5/34

CPC classification number: G01D5/38

Abstract: An optical encoder is a reflecting triple grating type optical encoder. A light projecting section of the optical encoder which includes a combination of a bare chip LED and a first grating of a first pitch p1, irradiates a predetermined light. A photodetecting section of the optical encoder which includes a combination of a photodetector and a third grating of a third pitch p3 detects a movement of a self image. Each of the first grating and the third grating is disposed substantially parallel with respect to a scale, and a substantially parallel and substantially flat light transmitting area is formed in a predetermined portion of a surface of a detecting head. A light transparent member is disposed in a space between the surface of the detecting head, and the first grating and the second grating.

Abstract translation: 光学编码器是反射三光栅型光学编码器。 包括裸芯片LED和第一间距p 1的第一光栅的组合的光学编码器的光投射部分照射预定的光。 包括光电检测器和第三间距p 3的第三光栅的组合的光学编码器的光电检测部分检测自身图像的移动。 第一光栅和第三光栅中的每一个被设置成相对于标尺基本上平行，并且在检测头的表面的预定部分中形成基本平行且基本平坦的光透射区域。 光透明构件设置在检测头的表面与第一光栅和第二光栅之间的空间中。

公开(公告)号：US20060255252A1

公开(公告)日：2006-11-16

申请号：US11417357

申请日：2006-05-03

Applicant: Eiji Yamamoto ,  Yoshimi Kuroda ,  Jun Hane ,  Iwao Komazaki

Inventor： Eiji Yamamoto ,  Yoshimi Kuroda ,  Jun Hane ,  Iwao Komazaki

IPC: G01D5/34

CPC classification number: G01D5/38

Abstract: An optical encoder is a reflecting triple grating type optical encoder. A light projecting section of the optical encoder which includes a combination of a bare chip LED and a first grating of a first pitch p1, irradiates a predetermined light. A photodetecting section of the optical encoder which includes a combination of a photodetector and a third grating of a third pitch p3 detects a movement of a self image. Each of the first grating and the third grating is disposed substantially parallel with respect to a scale, and a substantially parallel and substantially flat light transmitting area is formed in a predetermined portion of a surface of a detecting head. A light transparent member is disposed in a space between the surface of the detecting head, and the first grating and the second grating.

Abstract translation: 光学编码器是反射三光栅型光学编码器。 包括裸芯片LED和第一间距p 1的第一光栅的组合的光学编码器的光投射部分照射预定的光。 包括光电检测器和第三间距p 3的第三光栅的组合的光学编码器的光电检测部分检测自身图像的移动。 第一光栅和第三光栅中的每一个被设置成相对于标尺基本上平行，并且在检测头的表面的预定部分中形成基本平行且基本平坦的光透射区域。 光透明构件设置在检测头的表面与第一光栅和第二光栅之间的空间中。

公开(公告)号：US20080251703A1

公开(公告)日：2008-10-16

申请号：US11900252

申请日：2007-09-11

Applicant: Jun Hane ,  Eiji Yamamoto ,  Yoshimi Kuroda ,  Iwao Komazaki

Inventor： Jun Hane ,  Eiji Yamamoto ,  Yoshimi Kuroda ,  Iwao Komazaki

IPC: G01D5/36

CPC classification number: G01D5/38 ,  G01D5/34746

Abstract: In a triple slit optical encoder, a first grating and a third grating are formed on separate members, and values of a first effective width W1 and a first pitch p1 of an optical pattern on the first grating, and a third effective width W3 and a third pitch p3 of an optical pattern on the third grating are set to values such that a periodic signal having the amplitude effective for detection of a relative displacement of a scale is achieved based on periodicity of the self-image, refractive indices of substances of substances and/or spaces interposed in the optical path from a bare LED up to a photodetector, and the thickness of those substances and/or spaces in a direction substantially perpendicular to a plane on which the second grating is formed.

Abstract translation: 在三重狭缝光学编码器中，第一光栅和第三光栅形成在分离的部件上，第一光栅上的光学图案的第一有效宽度W 1和第一间距p 1的值以及第三有效宽度W 3和第三光栅上的光学图案的第三间距p 3被设置为使得具有根据自身图像的周期性实现具有用于检测标尺的相对位移的幅度的周期信号的折射率 从裸露的LED直到光电检测器的光路中插入的物质和/或空间的物质，以及这些物质和/或空间在基本上垂直于形成第二光栅的平面的方向上的厚度。

公开(公告)号：US07064842B1

公开(公告)日：2006-06-20

申请号：US09480506

申请日：2000-01-10

Applicant: Eiji Yamamoto ,  Jun Hane ,  Iwao Komazaki

Inventor： Eiji Yamamoto ,  Jun Hane ,  Iwao Komazaki

IPC: G01B9/02

CPC classification number: H03M1/301 ,  G01D5/38

Abstract: An optical displacement sensor comprises a surface emitting laser light source, a scale and a photosensor. The surface emitting laser light source emits a light beam having a predetermined shape. The scale is displaceable in such a manner as to cross the light beam emitted from the surface emitting laser light source and has a diffraction grating of a predetermined period formed thereon for forming a diffraction interference pattern from the light beam. The photosensor receives a predetermined portion of the diffraction interference pattern. The photosensor includes light intensity detecting means comprised of a plurality of light receiving areas arranged apart from one another in a pitch direction of the diffraction interference pattern on a light receiving surface at intervals of np1(z1+z2)/z1 where z1 is a distance between a light-beam emitting surface of the surface emitting laser light source and a surface on which the diffraction grating is formed, z2 is a distance between the surface on which the diffraction grating is formed and the light receiving surface of the photosensor, p1 is the pitch of the diffraction grating on the scale, and n is a natural number.

Abstract translation: 光学位移传感器包括表面发射激光光源，刻度尺和光电传感器。 表面发射激光光源发射具有预定形状的光束。 标尺可以以与从表面发射激光光源发射的光束交叉的方式移位，并且具有形成在其上的预定周期的衍射光栅，用于从光束形成衍射干涉图案。 光传感器接收衍射干涉图案的预定部分。 光传感器包括光强度检测装置，该光强度检测装置包括多个光接收区域，该多个光接收区域以np1（z1 + z2）/ z1的间隔在光接收表面上沿衍射干涉图案的间距方向彼此分开布置，其中z1是距离 在表面发射激光光源的光束发射表面和其上形成衍射光栅的表面之间，z2是其上形成衍射光栅的表面与光电传感器的光接收表面之间的距离，p1是 刻度上的衍射光栅的间距，n是自然数。

公开(公告)号：US06631005B1

公开(公告)日：2003-10-07

申请号：US09583010

申请日：2000-05-30

Applicant: Iwao Komazaki ,  Eiji Yamamoto

Inventor： Iwao Komazaki ,  Eiji Yamamoto

IPC: G01B902

CPC classification number: H01S5/187 ,  G01D5/38 ,  G02B6/124 ,  H01S5/02248 ,  H01S5/02296 ,  H01S5/0264

Abstract: An optical displacement sensor includes a laser light source, a scale, a photodetector, and an optical element which refracts light beams to the scale. The scale is displaced in a fashion traversing the light beams and includes a periodic pattern formed thereon to generate a diffractive interference pattern from the light beams. The photodetector receives at least a portion of the pattern and includes a photodetector array comprising plural light receiving areas having a period of np1 (z1+z2)/z1 in a pitch direction of the pattern on a surface of the photodetector. A distance between an emission surface of the laser light source and a surface of the scale is defined as z1. A distance between the surface of the scale and a light receiving surface of the photodetector is defined as z2. A pitch of the periodic pattern is defined as p1, and n denotes a natural number.

Abstract translation: 光学位移传感器包括激光光源，标尺，光电检测器和将光束折射到刻度的光学元件。 标尺以穿过光束的方式移位，并且包括形成在其上的周期性图案，以从光束产生衍射干涉图案。 光电检测器接收图案的至少一部分，并且包括光电检测器阵列，其包括在光电检测器的表面上的图案的节距方向上具有np1（z1 + z2）/ z1周期的多个光接收区域。 激光光源的发射表面与刻度表面之间的距离定义为z1。 刻度表面与光电检测器的受光面之间的距离定义为z2。 周期性图案的间距被定义为p1，n表示自然数。

公开(公告)号：US20130107588A1

公开(公告)日：2013-05-02

申请号：US13558346

申请日：2012-07-26

Applicant: Taisuke KATAYAMA ,  Ryuji Suenaga ,  Kazuhiro Umeo ,  Eiji Yamamoto

Inventor： Taisuke KATAYAMA ,  Ryuji Suenaga ,  Kazuhiro Umeo ,  Eiji Yamamoto

IPC: H02M5/458

CPC classification number: H02M7/49 ,  H02J3/12 ,  H02M2007/4835

Abstract: A series-connected multi-level power conversion device according to an aspect of embodiments includes a multi-winding transformer and a power conversion unit. The multi-winding transformer has a relationship that n secondary windings respectively connected to n single-phase power converters in the same output phase have a voltage phase difference of 60/n degrees and a relationship that the m secondary windings respectively connected to the m single-phase power converters corresponding to the m output phases have a voltage phase difference of 60/m degrees.

Abstract translation: 根据实施例的一个方面的串联多电平电力转换装置包括多绕组变压器和电力转换单元。 多绕组变压器具有在相同输出相中分别连接到n个单相功率转换器的n个次级绕组具有60 / n度的电压相位差以及分别连接到m单个的m个次级绕组的关系的关系 对应于m个输出相的相电力转换器具有60 / m度的电压相位差。