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公开(公告)号：JP2014146542A
公开(公告)日：2014-08-14
申请号：JP2013015393
申请日：2013-01-30
Inventor： KANEDA KAZUMASA
CPC classification number: G03B21/208 , F21V5/045 , G02B3/0043 , G02B3/0056 , G02B3/0062 , G02B27/0905 , G02B27/0961 , G03B33/06
Abstract: PROBLEM TO BE SOLVED: To provide an illumination device, and so on capable of reducing luminance unevenness of illumination light.SOLUTION: The illumination device includes a light source part including a laser light source, and an equalizing optical member including a plurality of unit lenses which are two-dimensionally arrayed to pass light emitted from the light source part side. A light passage surface of the equalizing optical member is divided into a plurality of divided regions and shape parameters of the unit lens are mutually different in each of the plurality of divided regions. Parameters in respective divided regions are set so that top parts and bottom parts in light quantity distribution formed by emission light emitted from the unit lenses are mutually annihilated by overlap of light quantity distributions obtained in each of the plurality of divided regions.
Abstract translation: 要解决的问题：提供能够降低照明光的亮度不均匀性的照明装置等。解决方案：照明装置包括具有激光光源的光源部和包括多个单位透镜的平衡光学部件 其二维排列以通过从光源部分侧发射的光。 均衡光学部件的光通过面被分割为多个分割区域，并且在多个分割区域中的每一个中，单位透镜的形状参数彼此不同。 各分割区域中的参数被设定为使得从单位透镜发射的发射光形成的光量分布中的顶部和底部通过在多个分割区域中的每一个中获得的光量分布的重叠相互湮灭。
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Patent Agency Ranking
公开(公告)号：JP2013186366A
公开(公告)日：2013-09-19
申请号：JP2012052540
申请日：2012-03-09
Inventor： KANEDA KAZUMASA
IPC: G03B21/14 , F21S2/00 , F21Y101/02 , G03B21/00 , H04N5/74
CPC classification number: F21V5/04 , G02B27/09 , G02B27/0905 , G02B27/0961 , G02B27/123 , G02B27/48 , G03B21/14 , G03B21/208 , H04N9/3111 , H04N9/3152 , H04N9/3161
Abstract: PROBLEM TO BE SOLVED: To provide, e.g., an illuminating unit that allows reduction in loss of the quantity of light.SOLUTION: An illuminating unit includes: a light source section including a laser light source; a first uniformizing optical member on which light from the light source section is incident; and a second uniformizing optical member on which light from the first uniformizing optical member is incident. The second uniformizing optical member individually includes: a plurality of first unit cells arranged on a light incidence surface of the second uniformizing optical member; and a plurality of second unit cells arranged on a light emission surface of the second uniformizing optical member. The first unit cells each have an anisotropic shape with a major-axis direction as a first direction and a minor-axis direction as a second direction, and the second unit cells each have a shape protruding along both the first direction and the second direction.
Abstract translation: 要解决的问题：提供例如允许减少光量损失的照明单元。解决方案：照明单元包括：包括激光源的光源部; 来自光源部的光入射的第一均匀化光学部件; 以及来自第一均匀化光学构件的光入射到其上的第二均匀化光学构件。 第二均匀化光学构件分别包括：布置在第二均匀化光学构件的光入射表面上的多个第一单元电池; 以及布置在第二均匀化光学构件的发光表面上的多个第二单元电池。 第一单电池各自具有作为第一方向的长轴方向和短轴方向作为第二方向的各向异性形状，并且第二单电池各自具有沿着第一方向和第二方向都突出的形状。
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公开(公告)号：JP2011099816A
公开(公告)日：2011-05-19
申请号：JP2009256053
申请日：2009-11-09
Inventor： KANEDA KAZUMASA , YUMA YOSHITO
IPC: G01S7/48
CPC classification number: G01S7/4811 , F21V13/04 , F21V13/06 , G01S7/4817 , G01S17/10 , G01S17/42 , G02B3/02 , G02B27/123
Abstract: PROBLEM TO BE SOLVED: To secure a sufficient light reception amount to a light receiving element, and to downsize a light reception area in the light receiving element.
SOLUTION: This measuring device is provided with: a laser light source 2 for emitting laser light; an optical element 3 for approximately collimating laser light emitted from the laser light source 2; a light projection mirror 4 rotatable in a prescribed angle range, for reflecting the laser light toward a measuring object 100, and scanning the measuring object by the laser light; a condenser lens 11 for condensing the laser light reflected by the measuring object; the light receiving element 7 for receiving the laser light condensed by the condenser lens; and a processing part for calculating distance information on the measuring object by processing a received light signal generated based on the laser light received by the light receiving element. The condenser lens 11 is constituted of a plurality of lenses 23, 23, etc., arranged in parallel in the dividing direction of a field angle, by condensing the laser light in a range of each field angle divided in one direction orthogonal to the optical axis of the entering laser light, and introducing it into the light receiving element.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 要解决的问题：为了确保足够的光接收量的光接收元件，并且减小光接收元件中的光接收区域。
解决方案：该测量装置设有：用于发射激光的激光光源2; 用于大致准直从激光光源2发射的激光的光学元件3; 在预定角度范围内旋转的光投射镜4，用于将激光朝向测量对象物100反射，并用激光扫描测量物体; 聚光透镜11，用于聚光被测量对象反射的激光; 用于接收由聚光透镜聚光的激光的光接收元件7; 以及处理部分，用于通过处理基于由光接收元件接收的激光产生的接收光信号来计算测量对象上的距离信息。 聚光透镜11由多个透镜23,23等构成，通过在与光学方向正交的一个方向上分割的每个场角的范围内聚光激光， 并将其引入光接收元件。 版权所有（C）2011，JPO＆INPIT
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公开(公告)号：JP2011095208A
公开(公告)日：2011-05-12
申请号：JP2009251893
申请日：2009-11-02
Inventor： ISOBE YASUSHI , KANEDA KAZUMASA , ISHIOKA HIDEAKI
Abstract: PROBLEM TO BE SOLVED: To improve safety with securement of a necessary amount of laser light.
SOLUTION: A distance measuring device includes: a laser light source 2 emitting laser light; an optical element 3 substantially collimating the laser light emitted from the laser light source; a light projection mirror 4b, rotatable within a given angle range, which reflects the laser light substantially collimated by the optical element toward an object 100 to be measured to scan the object by the laser light; a light receiving mirror reflecting the laser light reflected and diffused by the object; a light receiving element receiving the laser light reflected by the light receiving mirror; a light collection optical system collecting the laser light reflected by the light receiving mirror to guide it to the light receiving element; and a control part calculating distance information on the object by processing light receiving signals created based on the laser light received by the light receiving element. A mask member 9 masking the laser light in a peripheral zone within an optical path is also arranged on the optical path between the laser light source and the object to be measured.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 要解决的问题：通过确保必要量的激光来提高安全性。 解决方案：距离测量装置包括：发射激光的激光光源2; 基本上准直从激光光源发射的激光的光学元件3; 可以在给定角度范围内旋转的光投影镜4b，其将由光学元件基本准直的激光朝向被测量物体100反射，以通过激光扫描物体; 反射被物体反射和扩散的激光的受光镜; 接收受光反射镜反射的激光的光接收元件; 收集由所述受光镜反射的激光以将其引导到所述光接收元件的光收集光学系统; 以及控制部分，通过处理基于由光接收元件接收的激光产生的光接收信号来计算物体上的距离信息。 在激光光源与待测物体之间的光路上也配置有掩蔽光路内的周边区域的激光的掩模部件9。 版权所有（C）2011，JPO＆INPIT
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公开(公告)号：JP2011095103A
公开(公告)日：2011-05-12
申请号：JP2009249411
申请日：2009-10-29
Inventor： OIWA TATSUYA , KANEDA KAZUMASA
Abstract: PROBLEM TO BE SOLVED: To secure a sufficient amount of received light in a light-receiving element, and to attain a compact light-receiving area in the light-receiving element.
SOLUTION: A distance-measuring apparatus includes: a laser light source 2 for emitting a laser beam; an optical element 3 for making the laser beam emitted from the laser light source into a substantially parallel light; a mirror 4b for light projection for scanning an object to be measured 100 with a laser beam, by reflecting the laser beam which is rotatable within a prescribed angle range and made into a substantially parallel light by the optical element, toward the object to be measured; a condenser lens 5 for condensing a laser beam reflected and diffused by the object to be measured; a light-receiving element 7 having a light-receiving surface 7a for receiving a laser beam condensed by the condenser lens; an aperture diaphragm 6 having an opening part 6a for reducing the diameter of a laser beam and arranged between the condenser lens and the light-receiving element; and a control part for computing distance information on the object to be measured by processing received-light signals generated on the basis of a laser beam received by the light-receiving element. The light-receiving element is arranged in the vicinity of the aperture diaphragm.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 要解决的问题：为了确保光接收元件中的足够量的接收光，并且在光接收元件中获得紧凑的光接收区域。 解决方案：距离测量装置包括：用于发射激光束的激光光源2; 用于使从激光光源发射的激光束成大致平行的光的光学元件3; 将用于通过激光束扫描待测物体100的光投影用反射镜4b通过将可在规定角度范围内旋转的激光束通过光学元件反射成基本平行的光朝向待测量对象 ; 聚光透镜5，用于冷凝由被测量物体反射和扩散的激光束; 光接收元件7，其具有用于接收由聚光透镜聚光的激光束的光接收表面7a; 孔径光阑6，具有用于减小激光束的直径且设置在聚光透镜和光接收元件之间的开口部6a; 以及控制部分，用于通过处理基于由光接收元件接收的激光束产生的接收光信号来计算待测物体的距离信息。 光接收元件布置在孔径光阑附近。 版权所有（C）2011，JPO＆INPIT
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公开(公告)号：JP2009245575A
公开(公告)日：2009-10-22
申请号：JP2008196640
申请日：2008-07-30
Inventor： YASUI TOSHIFUMI , YUMA YOSHITO , TAKAHASHI KAZUYUKI , KANEDA KAZUMASA
IPC: G11B7/1353 , G11B7/1374
CPC classification number: G11B7/1275 , G11B7/1353 , G11B7/1374 , G11B2007/0006
Abstract: PROBLEM TO BE SOLVED: To provide compatibility among three types of optical disks with wavelengths to be used being different from each other, respectively, by using a single objective lens to be used in common, without making a configuration complicated. SOLUTION: An optical pickup includes: a first emitting unit to emit an optical beam of a first wavelength; a second emitting unit to emit an optical beam of a second wavelength; a third emitting unit to emit an optical beam of a third wavelength; an objective lens 34 to condense optical beams emitted from the first to third emitting units onto the signal recording face of an optical disk; and a diffraction unit 50 provided on one face of an optical element 50 positioned on the optical path of the optical beams of the first to third wavelengths; wherein the diffraction unit 50 includes nearly circular first diffraction region 51 provided on the innermost perimeter, a ring zone shaped second diffraction region 52 provided on the outer side of the first diffraction region, and a ring zone shaped third diffraction region 53 provided on the outer side of the second diffraction region, and the first to third diffraction regions 51, 52, 53 form first to third diffraction structure being ring shaped, having a predetermined depth and being different from one another. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：为了提供使用相同波长的三种类型的光盘之间的兼容性，通过使用一个共同使用的单一物镜，而不会使配置变得复杂。 光拾取器包括：发射第一波长的光束的第一发射单元; 第二发光单元，发射第二波长的光束; 第三发光单元，发射第三波长的光束; 物镜34，用于将从第一至第三发射单元发射的光束冷凝到光盘的信号记录面上; 以及设置在位于第一至第三波长的光束的光路上的光学元件50的一个面上的衍射单元50; 其特征在于，所述衍射单元50包括设置在所述最内周边的近似圆形的第一衍射区域51，设置在所述第一衍射区域的外侧的环形区域形状的第二衍射区域52，以及设置在所述外侧的环形区域的第三衍射区域53 并且第一至第三衍射区域51,52,53形成具有预定深度并且彼此不同的环形的第一至第三衍射结构。 版权所有（C）2010，JPO＆INPIT
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