-
公开(公告)号：US08599484B2
公开(公告)日：2013-12-03
申请号：US13206100
申请日：2011-08-09
申请人： Koji Miyasaka , Takuji Nomura
发明人： Koji Miyasaka , Takuji Nomura
CPC分类号： G01B11/2513 , G02B5/1861
摘要： To provide a diffractive optical element and a measuring device capable of generating light spots of dispersive type. The problem is resolved by providing a diffractive optical element having concaves and convexes and diffracting incident light in two dimensions so as to generate diffracted light, wherein when the number of a part of light spots formed by the diffracted light is denoted by n, an average distance W to the nearest neighbor in the light spots normalized by an area of a region onto which the light spots are projected falls within a range of 1/(2×n1/2)
摘要翻译： 提供能够产生分散型光斑的衍射光学元件和测量装置。 通过提供具有凹凸的衍射光学元件和二维衍射入射光以衍射光来解决问题，其中当由衍射光形成的一部分光斑的数量由n表示时，平均值 在光斑投影的区域的面积归一化的光斑中距离最近的距离W落在1 /（2×n1 / 2）
-
公开(公告)号：US08295143B2
公开(公告)日：2012-10-23
申请号：US13096783
申请日：2011-04-28
申请人： Koji Miyasaka , Takuji Nomura , Koichi Murata
发明人： Koji Miyasaka , Takuji Nomura , Koichi Murata
IPC分类号： G11B7/00
CPC分类号： G11B7/13925 , G11B2007/0006
摘要： The present invention relates to an aberration correcting device comprising: an aberration correcting element which modulates the phase of incident light; and a position adjusting section which can move the aberration correcting element in a direction perpendicular to an optical axis of the incident light, wherein the aberration correcting element includes first and second aberration correction plates, each of which is disposed such that the phase of transmitted light beam differs with transmission position of the incident light beam with the same phase, and the aberration correcting element has a reference arrangement which is an arrangement of the first and second aberration correction plates in which the light beams transmitted through the aberration correcting element have the same phase, and assuming that a point on the first aberration correction plate crossing the optical axis is a point Oa and a point on the second aberration correction plate crossing the optical axis is a point Ob in the reference arrangement, the position adjusting section includes a mechanism which can move the first and second aberration correction plates in a direction perpendicular to the optical axis and the points Oa and Ob in opposite directions from the reference arrangement and/or a mechanism which can rotate and move the first and second aberration correction plates by the same angle in different directions from the reference arrangement with the points Oa and Ob as the center.
摘要翻译： 本发明涉及一种像差校正装置，包括：像差校正元件，其对入射光的相位进行调制; 以及位置调整部，其可以使与所述入射光的光轴垂直的方向移动所述像差修正元件，其中所述像差修正元件包括第一和第二像差校正板，每个所述第一和第二像差校正板被设置为使得透射光的相位 光束与具有相同相位的入射光束的透射位置不同，并且像差校正元件具有作为透射通过像差校正元件的光束具有相同的第一和第二像差校正板的布置的参考布置 并且假设与光轴交叉的第一像差校正板上的点是点Oa，并且与基准装置相交的第二像差校正板上的点是基准布置中的点Ob，位置调整部分包括机构 其可以移动第一和第二像差校正板 与基准装置相反的方向垂直于光轴的方向和点Oa和Ob以及/或能够使第一和第二像差校正板沿与参考装置不同的方向旋转相同角度的机构，和/ 以Oa和Ob为中心。
-
3.发明授权公开(公告)号：US08279737B2
公开(公告)日：2012-10-02
申请号：US13021871
申请日：2011-02-07
申请人： Koji Miyasaka , Hiromasa Sato
发明人： Koji Miyasaka , Hiromasa Sato
CPC分类号： G02B27/4294 , G02B1/115 , G02B5/1814 , G11B7/0903 , G11B7/1353 , G11B7/13922 , G11B2007/0006
摘要： There is provided a diffraction grating including a convex portion and a concave portion which are used for lights having different wavelengths λ1, λ2 and λ3 and are alternately disposed on at least one surface of a substrate with a predetermined pitch. An average refractive index of the convex portion is smaller than an average refractive index of the concave portion. A phase difference in the lights having the wavelength λ1 which transmit the convex portion and the concave portion and a phase difference in the lights having the wavelength λ2 which transmit the convex portion and the concave portion are both substantially the integral multiple of 2π, and a phase difference in the lights having the wavelength λ3 which transmit the convex portion and the concave portion is substantially the non-integral multiple of 2π.
摘要翻译： 提供了包括用于具有不同波长λ1，λ2和λ3的光的凸部和凹部的衍射光栅，并以预定间距交替地设置在基板的至少一个表面上。 凸部的平均折射率小于凹部的平均折射率。 具有透射凸部和凹部的波长λ1的光和透射凸部和凹部的波长λ2的光的相位差的相位差都基本上是2＆amp; pgr的整数倍， 具有透射凸部和凹部的波长λ3的光的相位差基本上为2＆pgr的非整数倍。
-
公开(公告)号：US20090016191A1
公开(公告)日：2009-01-15
申请号：US12211461
申请日：2008-09-16
申请人： Koichi MURATA , Yoshiharu OOI , Yukihiro TAO , Koji MIYASAKA
发明人： Koichi MURATA , Yoshiharu OOI , Yukihiro TAO , Koji MIYASAKA
IPC分类号： G11B7/00
CPC分类号： G11B7/1367 , G11B7/1353 , G11B7/1365 , G11B7/1369 , G11B7/1381 , G11B2007/0013
摘要： It is provided an optical head device which includes: a light source; an objective lens, configured to converge light emitted from the light source to an information recording surface of an optical disk; a beam splitter, configured to deflect returned light reflected by the optical disk into an optical path which is different from an optical path of the light emitted from the light source; a photo detector, configured to detect the returned light deflected by the beam splitter; and a depolarizing element, disposed on an optical path between the beam splitter and the photo detector, and configured to cause the returned light to transmit through while reducing a degree of polarization of the returned light.
摘要翻译： 提供了一种光学头装置，其包括：光源; 物镜，被配置为将从光源发射的光会聚到光盘的信息记录表面; 分束器，被配置为将由光盘反射的返回光偏转成与从光源发射的光的光路不同的光路; 光检测器，被配置为检测由分束器偏转的返回光; 以及去极化元件，设置在分束器和光电检测器之间的光路上，并且被配置为使返回光透过，同时减少返回光的偏振度。
-
公开(公告)号：US06791492B2
公开(公告)日：2004-09-14
申请号：US10279016
申请日：2002-10-24
IPC分类号： H04B7185
摘要： A GPS positioning system comprises a fixed station and a mobile station. The mobile station has: positional positioning means; imaging means; direction detecting means; and arithmetic processing means. The positional positioning means measures positional coordinates by receiving radio weve from a satellite. The imaging means is arranged in a predetermined position for the GPS positional positioning means. The direction detecting means detects a photographing direction during photographig by the imaging means. The arithmetic processing means forms landscape data in which imaging data that is an output from the imaging means is associated with orientation data that is an output from the direction detecting means.
摘要翻译： GPS定位系统包括固定站和移动站。 移动站具有：位置定位装置; 成像手段; 方向检测装置; 和算术处理装置。 位置定位装置通过从卫星接收无线电卫星来测量位置坐标。 成像装置被布置在用于GPS位置定位装置的预定位置。 方向检测装置通过成像装置检测拍摄期间的拍摄方向。 算术处理装置形成风景数据，其中作为来自成像装置的输出的成像数据与来自方向检测装置的输出的取向数据相关联。
-
公开(公告)号：US20090268585A1
公开(公告)日：2009-10-29
申请号：US12497194
申请日：2009-07-02
申请人： Yukihiro TAO , Hiromasa SATO , Atsushi KOYANAGI , Koji MIYASAKA
发明人： Yukihiro TAO , Hiromasa SATO , Atsushi KOYANAGI , Koji MIYASAKA
IPC分类号： G11B7/135
CPC分类号： G02B5/3083 , G11B7/1275 , G11B7/1365 , G11B7/1369 , G11B2007/0006
摘要： An optical rotating plate has an optical rotating material layer. A phase plate is provided on a first surface side of the optical rotating plate and has at least one birefringent material layer. The first surface side is disposed toward an emitting side of an optical path, thereby giving different phase differences to a first linearly polarized light group containing at least a linearly polarized light having a first wavelength and a second linearly polarized light group containing at least a linearly polarized light having a second wavelength which is different from the first wavelength.
摘要翻译： 光学旋转板具有光学旋转材料层。 相位板设置在旋转旋转板的第一表面侧，并具有至少一个双折射材料层。 第一表面侧朝向光路的发射侧设置，从而给至少包含具有第一波长的线偏振光的第一线偏振光组和至少包含线性偏振光的第二线偏振光组赋予不同的相位差 具有不同于第一波长的第二波长的偏振光。
-
7.发明申请WAVELENGTH-SELECTIVE DIFFRACTION ELEMENT AND OPTICAL HEAD DEVICE INCORPORATING THE SAME 失效波长选择性衍射元件和同时包含的光学头设备公开(公告)号：US20080316600A1
公开(公告)日：2008-12-25
申请号：US12139827
申请日：2008-06-16
申请人： Atsushi KOYANAGI , Hiromasa SATO , Yukihiro TAO , Koji MIYASAKA
发明人： Atsushi KOYANAGI , Hiromasa SATO , Yukihiro TAO , Koji MIYASAKA
IPC分类号： G02B5/18
CPC分类号： G02B5/1871 , G11B7/1353
摘要： The present invention provides a wavelength-selective diffraction element, configured such that light having a plurality of wavelengths are incident thereon as incident light, which is provided with: a transparent substrate; a concavo-convex part, formed on the transparent substrate such that concave portions and convex portions are cyclically extended in one direction, and comprised of a first material which is optically isotropic; and a filling part, filling at least the concave portions and comprised of a second material which is optically isotropic. The first material and the second material have no absorbance with respect to the wavelengths of the incident light. The first material and the second material have an identical refractive index with respect to light having a first wavelength which is at least one of the wavelengths of the incident light. The first material and the second material have different refractive indices with respect to light having a second wavelength which is at least one of the wavelengths of the incident light and different from the first wavelength.
摘要翻译： 本发明提供一种波长选择性衍射元件，其被配置为使得具有多个波长的光作为入射光入射，其设置有：透明基板; 形成在透明基板上的凹凸部，使得凹部和凸部在一个方向上循环延伸，并且由光学各向同性的第一材料构成; 和填充部分，至少填充凹部并由光学各向同性的第二材料构成。 第一材料和第二材料相对于入射光的波长没有吸光度。 第一材料和第二材料相对于具有入射光的至少一个波长的第一波长的光具有相同的折射率。 第一材料和第二材料相对于具有入射光的波长和第一波长的至少一个波长的第二波长的光具有不同的折射率。
-
公开(公告)号：US06882305B2
公开(公告)日：2005-04-19
申请号：US10193674
申请日：2002-07-12
摘要： A method includes determining a first time by a first determining system. The method also includes determining a second time and a spatial position of a terminal receiving the second time, by a second determining system which is different from and independent of the first determining system. The terminal stores, in combination, the first time determined by the first determining system and the second time and the position determined by the second determining system, at each time of determining the spatial position of the terminal, in such a manner that the first time, the second time and the position are arranged in a row when they are outputted, wherein the first and second times are independent of each other.
摘要翻译： 一种方法包括由第一确定系统确定第一次。 该方法还包括通过与第一确定系统不同且独立于第二确定系统的第二确定系统确定接收第二时间的终端的第二时间和空间位置。 终端在确定终端的空间位置的每个时刻组合地存储由第一确定系统确定的第一时间和由第二确定系统确定的位置的第一时间，以使得第一次 当第二次和第二次输出时排列成一行，其中第一次和第二次彼此独立。
-
公开(公告)号：US06865484B2
公开(公告)日：2005-03-08
申请号：US10343916
申请日：2002-04-10
摘要： A GPS positioning system that has: at least one mobile station to measure a positional coordinate by receiving radio wave from a satellite; a plurality of fixed stations that have predetermined positional coordinates and receive radio wave from the satellite; and arithmetic processing means, which is connected with at least one mobile station and a plurality of fixed stations via communication, and that transmits correction data suitable for the mobile station to the mobile station based on positioning data transmitted from the mobile station.
摘要翻译： 一种GPS定位系统，其具有：至少一个移动台，用于通过从卫星接收无线电波来测量位置坐标; 具有预定位置坐标并从卫星接收无线电波的多个固定站; 以及算术处理装置，其经由通信与至少一个移动站和多个固定站连接，并且基于从移动站发送的定位数据向移动站发送适合于移动站的校正数据。
-
公开(公告)号：US20120223218A1
公开(公告)日：2012-09-06
申请号：US13407108
申请日：2012-02-28
申请人： Koji MIYASAKA
发明人： Koji MIYASAKA
CPC分类号： G02B27/0944 , G02B27/4266
摘要： A diffractive optical element includes first and second diffractive optical parts to generate diffracted lights two-dimensionally with respect to incident light. The diffracted lights generated by inputting the incident light to the first diffractive optical part are input to the second diffractive optical part in order to generate the diffracted lights from the second diffractive optical part, wherein θ1≧θ2 and k1≧k2 stand or, θ1≦θ2 and k1≦k2 stand among θ1 and θ2 denote diffraction angles of the first and second diffractive optical parts, and k1 and k2 denote numbers of light spots of the diffracted lights generated by the first and second diffractive optical parts.
摘要翻译： 衍射光学元件包括第一和第二衍射光学部件，以相对于入射光二维地产生衍射光。 通过将入射光输入到第一衍射光学部件而产生的衍射光被输入到第二衍射光学部件，以便产生来自第二衍射光学部件的衍射光，其中＆1;θ≥2 或者;＆1; n1E1; n2; k2和k1和nlE; k2代表第一和第二衍射光学部件的衍射角; k1和k2表示由第一和第二衍射光学部件产生的衍射光的光点数 第一和第二衍射光学部件。
-
-
-
-
-
-
-
-
-
搜索结果
24 条记录 (耗时 0.018 秒)
