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

US5557396A Velocity information detecting apparatus 失效
标题翻译：速度信息检测装置
公开(公告)号：US5557396A
公开(公告)日：1996-09-17
申请号：US203409
申请日：1994-03-01
申请人： Koh Ishizuka , Satoshi Ishii , Yasushi Kaneda
发明人： Koh Ishizuka , Satoshi Ishii , Yasushi Kaneda
IPC分类号： G01P3/36 , G01S17/58 , G01B11/02
CPC分类号： G01P3/366
摘要： A velocity information detecting apparatus detects velocity information of a moving object. The apparatus is provided with a light source for emitting a coherent beam, a beam splitting member for splitting the beam from the light source into a plurality of beams to irradiate the object thereby, and a photodetector for receiving scattered light from the object. The velocity information of the object is detected, based on a Doppler shift of the scattered light detected by the photodetector. The plurality of beams irradiate the object disposed in a region before the plurality of beams are spatially separated from each other. The beam splitting member may be either a diffraction grating or a prism member. The diffraction grating may be a lamellar phase grating or a blazed diffraction grating. The prism member may be a roof prism.
摘要翻译：速度信息检测装置检测移动物体的速度信息。该装置设置有用于发射相干光束的光源，用于将来自光源的光束分成多个光束以照射物体的分束部件，以及用于接收来自物体的散射光的光电检测器。基于由光检测器检测到的散射光的多普勒频移来检测物体的速度信息。多个光束照射放置在多个光束彼此空间分离之前的区域中的物体。分束构件可以是衍射光栅或棱镜构件。衍射光栅可以是层状相位光栅或闪耀的衍射光栅。棱镜构件可以是屋脊棱镜。

2. 发明授权

US5680211A Apparatus for optically detecting displacement of an object using a synthesizing means utilizing a substrate with two diffraction gratings thereon 失效
$Apparatus for optically detecting displacement of an object using a synthesizing means utilizing a substrate with two diffraction gratings thereon$
标题翻译：一种用于利用其上具有两个衍射光栅的基板的合成装置来光学检测物体的位移的装置
公开(公告)号：US5680211A
公开(公告)日：1997-10-21
申请号：US525249
申请日：1995-09-08
申请人： Yasushi Kaneda , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii
发明人： Yasushi Kaneda , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii
IPC分类号： G01B11/00 , G01B11/24 , G01D5/38 , G01P3/36 , G01B11/02 , G01D5/34 , G01J9/00
CPC分类号： G01P3/36 , G01D5/38
摘要： A displacement detection apparatus includes a light source (1), a first diffraction grating (G1) which is arranged on the same substrate as a second diffraction grating (G2) so as to diffract and split light emitted from the light source and to irradiate .+-.1st-order diffracted light beams onto the second diffraction grating (G2), a third diffraction grating (G3) for synthesizing a +1st-order reflectively diffracted light beam generated by reflectively diffracting the +1st-order diffracted light beam by the second diffraction grating, and a -1st-order reflectively diffracted light beam generated by reflectively diffracting the +1st-order diffracted light beam by the second diffraction grating to form interference light, and a light-receiving element (3) for converting the interference light into a signal representing a displacement of the substrate.
摘要翻译：位移检测装置包括光源（1），与第二衍射光栅（G2）配置在同一基板上的第一衍射光栅（G1），以衍射和分离从光源发出的光并照射+ / -1级衍射光束到第二衍射光栅（G2）上，第三衍射光栅（G3），用于合成通过第二级反射衍射+ 1级衍射光束而产生的+ 1级反射衍射光束衍射光栅和通过第二衍射光栅反射衍射+ 1级衍射光束而产生的-1级反射衍射光束，以形成干涉光;以及光接收元件（3），用于将干涉光转换成表示基板的位移的信号。

3. 发明授权

US5657125A Apparatus including a light-detecting element having a photo-electric conversion surface and an integral light blocking member 失效
标题翻译：一种装置，包括具有光电转换表面的光检测元件和一体的遮光件
公开(公告)号：US5657125A
公开(公告)日：1997-08-12
申请号：US454501
申请日：1995-05-30
申请人： Shigeki Kato , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii , Yasushi Kaneda
发明人： Shigeki Kato , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii , Yasushi Kaneda
IPC分类号： G01D5/347 , G01D5/38 , G01B9/02
CPC分类号： G01D5/34715 , G01D5/38
摘要： An apparatus for detecting information relating to displacement of an object on which a grating scale is affixed. The apparatus includes a beam-emitting system for irradiating the grating scale with a beam. The apparatus also includes a light-detecting element having a light-receiving surface. A grating portion is integrally formed on at least a part of the light-receiving surface for detecting a beam from the grating scale which is irradiated by the beam from the beam-emitting system. Information relating to displacement of the object is detected on the basis of the detection by the grating portion of the light-detecting element.
摘要翻译：一种用于检测与其上贴有光栅刻度的物体的位移相关的信息的装置。该装置包括用于用光束照射光栅尺的光束发射系统。该装置还包括具有光接收表面的光检测元件。光栅部分整体地形成在光接收表面的至少一部分上，用于检测来自光栅尺的光束，该光束由来自光束发射系统的光束照射。基于光检测元件的光栅部分的检测来检测与物体的位移有关的信息。

4. 发明授权

US5574559A Displacement detection apparatus using multiple displacement detection signals formed by a multiple phase combination grating 失效
标题翻译：使用由多相组合光栅形成的多位移检测信号的位移检测装置
公开(公告)号：US5574559A
公开(公告)日：1996-11-12
申请号：US608029
申请日：1996-02-28
申请人： Yasushi Kaneda , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii
发明人： Yasushi Kaneda , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii
IPC分类号： G01B11/00 , G01D5/38 , G01B9/02
CPC分类号： G01D5/38
摘要： A displacement detection apparatus has a light source 1, a first diffraction grating G1 for diffracting and dividing the light from the light source and applying O-order diffracted light and +1st-order diffracted light to a second diffraction grating G2, a third diffraction grating G3 for combining +1st-order reflected diffracted light created by the O-order diffracted light being reflected and diffracted by the second diffraction grating and -lst-order reflected diffracted light created by the +lst-order diffracted light being diffracted by the second diffraction grating, to thereby form interference light, and a light receiving element 3 for photoelectrically converting the interference light, the third diffraction grating including four diffraction gratings given a phase difference of .pi./2 each, the light receiving element being provided with light receiving portions 3a1, 3a2, 3b1 and 3b2 corresponding to the four diffraction gratings of the third diffraction grating, and cruciform light intercepting means is provided between adjacent ones of the light receiving portions.
摘要翻译：位移检测装置具有光源1，用于衍射和分割来自光源的光并且将O级衍射光和+ 1级衍射光施加到第二衍射光栅G2的第一衍射光栅G1，第三衍射光栅 G3，用于组合由被第二衍射光栅反射和衍射的O级衍射光产生的+ 1阶反射衍射光，并且由被第二衍射衍射的+ 1级衍射光产生的一级反射衍射光光栅，从而形成干涉光;以及用于光电转换干涉光的光接收元件3，第三衍射光栅包括四个衍射光栅，每个衍射光栅各自具有π/ 2的相位差，光接收元件设置有光接收部分3a1 ，3a2,3b1和3b2对应于第三衍射光栅的四个衍射光栅和十字形在相邻的光接收部分之间提供遮光装置。

5. 发明授权

US5537210A Rotation detecting apparatus and scale having a multi helix diffraction grating for the same 失效
$Rotation detecting apparatus and scale having a multi helix diffraction grating for the same$
标题翻译：具有用于其的多螺旋衍射光栅的旋转检测装置和标尺
公开(公告)号：US5537210A
公开(公告)日：1996-07-16
申请号：US258443
申请日：1994-06-09
申请人： Yasushi Kaneda , Koh Ishizuka , Satoshi Ishii , Kenji Hisamoto
发明人： Yasushi Kaneda , Koh Ishizuka , Satoshi Ishii , Kenji Hisamoto
IPC分类号： G01D5/38 , G01B11/02
CPC分类号： G01D5/38
摘要： A rotation detecting apparatus includes a grating portion provided on one of two objects for which relative rotation is to be detected, a light-emitting portion provided on the other of the two objects, and a light-receiving portion provided on the other object. The grating portion has at least one multi-helix diffraction grating. The light-receiving portion receives a beam emitted from the light-emitting portion and then traveling by way of the multi-helix diffraction grating. Information of relative rotation of the two objects is detected through light reception of the light-receiving portion.
摘要翻译：旋转检测装置包括设置在要检测相对旋转的两个物体中的一个上的光栅部分，设置在两个物体中的另一个上的发光部分和设置在另一个物体上的光接收部分。光栅部分具有至少一个多螺旋衍射光栅。光接收部分接收从发光部分发射的光束，然后通过多螺旋衍射光栅行进。通过光接收部分的光接收来检测两个物体的相对旋转的信息。

6. 发明授权

US5483377A Displacement detection apparatus 失效
标题翻译：位移检测装置
公开(公告)号：US5483377A
公开(公告)日：1996-01-09
申请号：US169402
申请日：1993-12-20
申请人： Yasushi Kaneda , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii
发明人： Yasushi Kaneda , Koh Ishizuka , Hiroshi Kondo , Satoshi Ishii
IPC分类号： G01B11/00 , G01D5/38 , G02B5/18 , G02B27/44 , H01J3/14 , H01J40/14
CPC分类号： G01D5/38
摘要： A displacement detection apparatus comprises a light source 1, a first diffraction grating including a blazed grating for diffracting and splitting light from the light source to irradiate a 0-order diffraction light and a +1-order diffraction light to a second diffraction grating, a third diffraction grating including a blazed grating for combining a +1-order reflected diffraction light produced by the reflection and diffraction of the 0-order diffraction light by the second diffraction grating and a -1-order reflected diffraction light produced by the diffraction of the +1-order diffraction light by the second diffraction grating to produce an interference light, and a photo-sensing element for converting the interference light to a signal representing a change in the second diffraction grating.
摘要翻译：位移检测装置包括光源1，第一衍射光栅，包括用于衍射和分离来自光源的光的闪耀光栅，以将0级衍射光和+ 1级衍射光照射到第二衍射光栅，第三衍射光栅，包括用于组合通过第二衍射光栅的0级衍射光的反射和衍射产生的+ 1级反射衍射光的闪耀光栅和通过第二衍射光栅衍射产生的-1级反射衍射光 + 1级衍射光以产生干涉光;以及光敏元件，用于将干涉光转换成表示第二衍射光栅的变化的信号。

7. 发明授权

US5390022A Displacement information detection apparatus for receiving a divergent light beam 失效
标题翻译：位移信息检测装置，用于接收发散光束
公开(公告)号：US5390022A
公开(公告)日：1995-02-14
申请号：US42589
申请日：1993-04-05
申请人： Koh Ishizuka , Tetsuharu Nishimura , Hiroshi Kondo , Yasushi Kaneda
发明人： Koh Ishizuka , Tetsuharu Nishimura , Hiroshi Kondo , Yasushi Kaneda
IPC分类号： G01D5/38 , G01B9/02
CPC分类号： G01D5/38
摘要： A displacement information detection apparatus for detecting relative displacement information regarding the apparatus and an object to be detected includes an illumination system for radiating coherent light. A first diffraction grating splits the coherent light from the illumination system into first and second light beams, which are radiated onto the object. A second diffraction grating synthesizes the first and second light beams emerging from the object to generate an interference light beam. A light-receiving element detects the interference light beam and detects the relative displacement information regarding the object and the apparatus upon reception of the interference light beam. The illumination system is configured to focus the first and second light beams at a location along an optical path between the first diffraction grating and the second diffraction grating, so that the interference light beam incident on the light-receiving element is a divergent light beam.
摘要翻译：一种用于检测关于装置和待检测物体的相对位移信息的位移信息检测装置，包括用于照射相干光的照明系统。第一衍射光栅将来自照明系统的相干光分解成辐射到物体上的第一和第二光束。第二衍射光栅合成从物体出射的第一和第二光束以产生干涉光束。光接收元件检测干涉光束并且在接收干涉光束时检测关于物体和装置的相对位移信息。照明系统被配置为将第一和第二光束聚焦在沿着第一衍射光栅和第二衍射光栅之间的光路的位置处，使得入射在光接收元件上的干涉光束是发散光束。

8. 发明授权

US5283434A Displacement detecting device with integral optics 失效
标题翻译：带集成光学元件的位移检测装置
公开(公告)号：US5283434A
公开(公告)日：1994-02-01
申请号：US992418
申请日：1992-12-17
申请人： Koh Ishizuka , Tetsuharu Nishimura , Yasushi Kaneda
发明人： Koh Ishizuka , Tetsuharu Nishimura , Yasushi Kaneda
IPC分类号： G01D5/38 , G01P3/36 , H01J3/14
CPC分类号： G01P3/36 , G01D5/38
摘要： Disclosed is a displacement detecting device for measuring displacement or velocity of an object. The device is provided with a casing having an optical window, a light-emitting element and a light-receiving element incorporated in the casing, a transparent plate member provided in the vicinity of the window, a first optical function element provided on the transparent plate member for splitting the light generated by the light-emitting element into plural light beams emitted therefrom, and a second optical function element provided on the transparent plate member for guiding the lights to the light-receiving element, the lights being modulated when the emitted light beams are irradiated onto a relatively displacing object.
摘要翻译：公开了一种用于测量物体的位移或速度的位移检测装置。该装置设置有具有光学窗口，发光元件和结合在壳体中的光接收元件的壳体，设置在窗口附近的透明板构件，设置在透明板上的第一光学功能元件用于将由发光元件产生的光分解成从其发射的多个光束的构件;以及设置在透明板构件上用于将光引导到光接收元件的第二光学功能元件，当发射的光光束照射到相对位移的物体上。

9. 发明授权

US5661296A Rotary encoder measuring substantially coinciding phases of interference light components 失效
标题翻译：旋转编码器测量干涉光分量的基本相同的相位
公开(公告)号：US5661296A
公开(公告)日：1997-08-26
申请号：US724220
申请日：1996-10-02
申请人： Koh Ishizuka , Yasushi Kaneda
发明人： Koh Ishizuka , Yasushi Kaneda
IPC分类号： G01B11/26 , G01D5/36 , G01D5/38 , G01P3/36 , G01P3/486 , G01B9/22
CPC分类号： G01D5/38 , G01P3/366 , G01P3/486
摘要： A rotary encoder has a disk with fine gratings comprising diffraction gratings of small diameters and a high density. Two diffraction lights of predetermined orders which are obtained when a light beam is irradiated to the fine gratings, are interfered properly with each other, thereby enabling rotational information of a rotary object to be detected at a high resolution while realizing a small and thin size of the overall apparatus.
摘要翻译：旋转编码器具有具有细小光栅的盘，其包括小直径和高密度的衍射光栅。当将光束照射到细光栅时获得的预定次数的两个衍射光彼此适当地干涉，从而能够以高分辨率检测旋转体的旋转信息，同时实现小而薄的整体装置。

10. 发明授权

US5621527A Apparatus for measuring relative displacement between the apparatus and a scale which a grating is formed 失效
标题翻译：用于测量装置与形成光栅的刻度之间的相对位移的装置
公开(公告)号：US5621527A
公开(公告)日：1997-04-15
申请号：US311854
申请日：1994-09-26
申请人： Yasushi Kaneda , Koh Ishizuka
发明人： Yasushi Kaneda , Koh Ishizuka
IPC分类号： G01B11/00 , G01D5/38 , G01B9/02
CPC分类号： G01D5/38
摘要： An apparatus for measuring the relative displacement information between it and a scale on which a diffraction grating is formed has a light source, a separating device for separating a light beam from the light source into a plurality of light beams, a wave combining device for wave-combining the diffracted lights of the plurality of light beams separated by the separating device which are diffracted by the diffraction grating, a light receiver for receiving the interfering lights by the plurality of light beams wave-combined by the wave combining device, the relative displacement information between the apparatus and the scale being measured by the light reception of the light receiver, and an optical device adapted to collimate the plurality of light beams or to form a spherical wave having so large a radius of curvature that it can be regarded as a plane wave of the plurality of light beams in the direction of light beam separation of the separating device and to condense the plurality of light beams in the optical path from the separating device to the wave combining device in a direction perpendicular to the direction of light beam separation.
摘要翻译：用于测量其与其上形成有衍射光栅的标尺之间的相对位移信息的装置具有光源，用于将光束从光源分离成多个光束的分离装置，用于波的波合成装置 - 将由分离装置分离的由衍射光栅衍射的多个光束的衍射光组合在一起，用于通过由波合成装置波形组合的多个光束接收干扰光的光接收器，相对位移通过光接收器的光接收来测量装置和刻度之间的信息，以及适于准直多个光束或形成具有如此大的曲率半径的球面波的光学装置，其可被认为是在分离装置的光束分离的方向上的多个光束的平面波，并且冷凝平面在从分离装置到波合成装置的光路中的光束在垂直于光束分离方向的方向上的光束。

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