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公开(公告)号：US08305429B2
公开(公告)日：2012-11-06
申请号：US12312752
申请日：2007-11-28
申请人： Junji Kajihara , Kenji Yamamoto , Isao Ichimura
发明人： Junji Kajihara , Kenji Yamamoto , Isao Ichimura
CPC分类号： G03B15/00 , G02B3/0056 , G02B3/0075 , G02B3/14 , H04N5/2254 , H04N5/232 , H04N5/23245 , H04N13/229 , H04N13/232
摘要： An image pickup apparatus having a simple configuration and being capable of performing switching between an image pickup mode based on a light field photography technique and a normal high-resolution image pickup mode is provided. The image pickup apparatus includes an image pickup lens 11, a microlens array section 12 where light passing through the image pickup lens 11 enters, and an image pickup device 13 sensing light emitted from the microlens array section 12, and the focal length of each of microlenses constituting the microlens array section 12 is variable in response to an applied voltage.
摘要翻译： 提供一种具有简单配置并且能够在基于光场摄影技术的图像拾取模式和正常高分辨率图像拾取模式之间进行切换的图像拾取装置。 图像拾取装置包括图像拾取透镜11，其中穿过图像拾取透镜11的光进入的微透镜阵列部分12和感测从微透镜阵列部分12发射的光的图像拾取装置13以及每个的焦距 构成微透镜阵列部分12的微透镜响应于所施加的电压是可变的。
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公开(公告)号：US20100128152A1
公开(公告)日：2010-05-27
申请号：US12588795
申请日：2009-10-28
申请人： Kengo Hayasaka , Kenji Yamamoto , Isao Ichimura , Isao Hirota
发明人： Kengo Hayasaka , Kenji Yamamoto , Isao Ichimura , Isao Hirota
CPC分类号： H04N5/2254 , G02B3/0056 , G02B5/201 , G02B13/001 , G02B27/0075 , G03B35/00 , H01L27/14621 , H01L27/14627 , H04N5/23212
摘要： An image pickup apparatus allowed to obtain parallax information while preventing a decline in apparent resolution. An image pickup apparatus includes: an image pickup lens having an aperture stop; an image pickup device including a plurality of pixels and obtaining image pickup data based on light received on the plurality of pixels; and a microlens array arranged between the image pickup lens and the image pickup device so that one microlens is allocated to 2×2 pixels in the image pickup device. The plurality of pixels are disposed in a fashion of two-dimensional arrangement along two directions rotated a certain angle with respect to a horizontal direction and a vertical direction, respectively.
摘要翻译： 允许在防止表观分辨率下降的同时获得视差信息的图像拾取装置。 图像拾取装置包括：具有孔径光阑的图像拾取透镜; 包括多个像素的图像拾取装置，并且基于在所述多个像素上接收的光获得图像拾取数据; 以及布置在图像拾取透镜和图像拾取装置之间的微透镜阵列，使得在图像拾取装置中将一个微透镜分配给2×2像素。 多个像素分别以相对于水平方向和垂直方向旋转一定角度的两个方向的二维排列的方式设置。
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公开(公告)号：US06674696B1
公开(公告)日：2004-01-06
申请号：US09049478
申请日：1998-03-27
IPC分类号： G11B700
CPC分类号： G11B7/094 , G11B7/0909 , G11B2007/0006
摘要： A focus controller for focusing a light beam and positioning the focused light beam onto a signal recording layer of a signal recording media is disclosed. The controller comprises a light beam focusing means having a numerical aperture of 0.6 or more; a focus controlling means for positioning the light beam focused by the light beam focusing means onto the signal recording layer of the recording media; and an offset adjusting means for adjusting an offset between the focused light beam positioned by the focus controlling means and the signal recording layer of the recording media. The controller positions the light beam focused by an objective lens onto the signal recording layer of a recording media; moves the objective lens within a predetermined optical-axial range, detects an amplitude of a signal read from the recording media at either end of the optical-axial range, and adjusts an offset between the focused light beam positioned by the objective lens and the signal recording layer, depending on a difference between the amplitudes of the detected reproduced signal.
摘要翻译： 公开了一种用于聚焦光束并将聚焦的光束定位在信号记录介质的信号记录层上的聚焦控制器。 控制器包括数值孔径为0.6或更大的光束聚焦装置; 聚焦控制装置，用于将由光束聚焦装置聚焦的光束定位到记录介质的信号记录层上; 以及偏移调整装置，用于调节由聚焦控制装置定位的聚焦光束与记录介质的信号记录层之间的偏移。 控制器将由物镜聚焦的光束定位在记录介质的信号记录层上; 在预定的光轴范围内移动物镜，检测在光轴范围的任一端从记录介质读取的信号的幅度，并调整由物镜定位的聚焦光束与信号之间的偏移 记录层，取决于检测到的再现信号的振幅之差。
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4.发明授权Optical recording medium recording and reproducing apparatus and optical pickup device 失效光记录介质记录和再现装置和光学拾取装置
公开(公告)号：US06005834A
公开(公告)日：1999-12-21
申请号：US813346
申请日：1997-03-07
申请人： Fumisada Maeda , Toshio Watanabe , Isao Ichimura , Atsushi Fukumoto , Kenji Yamamoto , Kiyoshi Ohsato
发明人： Fumisada Maeda , Toshio Watanabe , Isao Ichimura , Atsushi Fukumoto , Kenji Yamamoto , Kiyoshi Ohsato
CPC分类号： G11B7/1372 , G11B7/0935 , G11B7/093
摘要： An optical recording medium recording and reproducing apparatus for recording information on an optical recording medium and/or reproducing information therefrom by irradiating the optical recording medium with laser light by the use of a two-group objective lens composed of at least first and second lenses. This apparatus is provided with: a light source for emitting laser light; a first lens for converging laser light emitted from the light source; a second lens interposed between the first lens and the optical recording medium; a detecting unit for detecting a kind of the recording medium; and a movement unit for changing the distance in the direction of an optical axis between the first and second lenses by causing a relative movement between the first and second lenses. Further, the distance between the first and second lenses is changed by the movement unit, which causes the second lens to move, according to a result of a detection, which is performed by the detecting unit. Thereby, the numerical aperture NA of the objective lens is increased. Moreover, the influence of aberration is mitigated. Consequently, the high-density recording and reproducing of information signals can be achieved.
摘要翻译： 一种用于通过使用由至少第一和第二透镜组成的两组物镜通过用激光照射光学记录介质来在光学记录介质上记录信息和/或再现信息的光学记录介质记录和再现装置。 该装置具有：用于发射激光的光源; 用于会聚从光源发射的激光的第一透镜; 插入在第一透镜和光记录介质之间的第二透镜; 检测单元，用于检测记录介质的种类; 以及移动单元，用于通过使第一和第二透镜之间的相对运动来改变在第一和第二透镜之间的光轴方向上的距离。 此外，根据由检测单元执行的检测结果，第一透镜和第二透镜之间的距离被移动单元改变，这导致第二透镜移动。 由此，物镜的数值孔径NA增大。 此外，减轻了像差的影响。 因此，可以实现信息信号的高密度记录和再现。
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公开(公告)号：US5712842A
公开(公告)日：1998-01-27
申请号：US744007
申请日：1996-02-12
CPC分类号： B82Y10/00 , G11B7/1374 , G11B7/13927 , G11B7/0908
摘要： There is provided an optical pick-up device capable of eliminating a spherical aberration due to a thickness error of an optical disc. The optical pick-up device includes a convex lens having a flat surface opposed to a surface of an optical recording medium, and having a predetermined refractive index, and an objective lens disposed such that the convex lens is interposed between said optical recording medium and the objective lens. A position-detecting means detects a position relation between the light-incident surface of the optical recording medium and the flat surface of the convex lens, based on first and second detection signals. A drive means drives the convex lens along an optical axis thereof such that the convex lens is caused to move in the opposite directions toward the optical recording medium or the objective lens, whereby a distance between the light-incident surface of the optical recording medium and the flat surface of the convex lens is controlled based on the first and second detection signals.
摘要翻译： 提供了能够消除由于光盘的厚度误差引起的球面像差的光学拾取装置。 光学拾取装置包括具有与光学记录介质的表面相对的平坦表面并具有预定折射率的凸透镜，并且设置为使得凸透镜插入在所述光学记录介质和 物镜。 位置检测装置基于第一和第二检测信号检测光记录介质的光入射表面和凸透镜的平坦表面之间的位置关系。 驱动装置沿其光轴驱动凸透镜，使得凸透镜沿相反方向朝向光记录介质或物镜移动，由此光记录介质的光入射表面与 基于第一和第二检测信号来控制凸透镜的平坦表面。
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公开(公告)号：US08463001B2
公开(公告)日：2013-06-11
申请号：US12452324
申请日：2008-07-30
申请人： Kengo Hayasaka , Isao Ichimura , Kenji Yamamoto
发明人： Kengo Hayasaka , Isao Ichimura , Kenji Yamamoto
CPC分类号： G06K9/00013 , A23L7/113 , A23L33/21
摘要： An image pickup apparatus capable of improving the image quality of a picked-up image at the time of closely picking up an image is provided. In an image processing section 14, after a process of clipping a central region 31 and an image reversing process are performed in each of image pickup regions 3 of microlenses on image pickup data D1 obtained by an image pickup device 13, an image synthesizing process using images is performed to obtain image-processed data (image pickup data D2). In the image pickup data D2, the process of clipping the central region 31 is performed in each of the image pickup regions 3 of the microlenses, so even if a living organism 2 as an object subjected to image pickup is closely placed, an overlap region 32 between the image pickup regions 3 by adjacent microlenses is removed. In addition, the range of the central region 31 may have a fixed value which is set in advance, or may be changed depending on a distance between the object subjected to image pickup (living organism) 2 and a microlens array 12.
摘要翻译： 提供了一种能够在紧密拾取图像时提高拾取图像的图像质量的图像拾取装置。 在图像处理部分14中，在由图像拾取装置13获得的图像拾取数据D1上的每个微透镜的图像拾取区域3中执行中心区域31的削波处理和图像反转处理之后，使用 执行图像以获得图像处理数据（图像拾取数据D2）。 在图像拾取数据D2中，在微透镜的每个图像拾取区域3中执行限制中心区域31的处理，因此即使作为经受图像拾取的对象的生物体2被紧密地放置，重叠区域 32被相邻的微透镜除去在摄像区域3之间。 此外，中央区域31的范围可以具有预先设定的固定值，或者可以根据被摄体（活体）2的物体和微透镜阵列12之间的距离而变化。
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公开(公告)号：US08306287B2
公开(公告)日：2012-11-06
申请号：US12318387
申请日：2008-12-29
申请人： Junji Kajihara , Isao Ichimura , Kenji Yamamoto , Toshio Watanabe
发明人： Junji Kajihara , Isao Ichimura , Kenji Yamamoto , Toshio Watanabe
IPC分类号： G06K9/00
CPC分类号： H01L27/14678 , G06F21/32 , G06K9/00013 , G06K2009/0006 , G06K2009/00932 , G07C9/00158 , H01L27/14623 , H01L27/14627
摘要： A biometrics authentication system includes: a light source applying light to a living body; a detection section on which the living body is to be placed; a microlens array section configured so that a plurality of microlenses each condensing light from the living body are arranged at intervals; a light shielding section arranged on at least one of a light incidence side and a light exiting side of the microlens array section and having apertures each facing a region where each of the microlenses is arranged; an image pickup device obtaining image pickup data of the living body on the basis of the light condensed by the microlens array section; and an authentication section performing authentication of the living body on the basis of the image pickup data obtained in the image pickup device.
摘要翻译： 生物识别认证系统包括：向生物体施加光的光源; 检测部，其上放置有活体; 微透镜阵列部分，其被配置为使得聚集来自所述生物体的光的多个微透镜被间隔布置; 遮光部，其设置在所述微透镜阵列部的光入射侧和光出射侧的至少一方，并且具有各自面对其中布置有所述微透镜的区域的孔; 图像拾取装置，基于由微透镜阵列部分会聚的光获得生物体的摄像数据; 以及认证部，其基于在摄像装置中获得的摄像数据进行生物体的认证。
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公开(公告)号：US08170300B2
公开(公告)日：2012-05-01
申请号：US12213903
申请日：2008-06-26
申请人： Kenji Yamamoto , Isao Ichimura
发明人： Kenji Yamamoto , Isao Ichimura
IPC分类号： G06K9/20
CPC分类号： G06K9/00013 , G06K9/0004 , G06K2009/0006 , G06K2009/00932
摘要： A biometric image pickup apparatus with a simple configuration capable of reducing light amount variations in a picked-up image. The biometric image pickup apparatus includes: a light source applying light to a living organism; a detection section for placing the living organism thereon; an image pickup lens section condensing light from the living organism; an image pickup device obtaining image pickup data on the basis of the light condensed by the image pickup lens section; and a transmittance distribution filter arranged between the detection section and the image pickup device, in which the transmittance distribution filter has a transmittance distribution in which the transmittance is higher in a region far from the light source than in a region near the light source.
摘要翻译： 一种生物特征图像拾取装置，其具有能够减少拾取图像中的光量变化的简单配置。 生物体图像拾取装置包括：向生物体施加光的光源; 用于将生物体放置在其上的检测部; 收集来自活体的光的摄像透镜部; 图像拾取装置，基于由图像拾取透镜部分聚光的光获得图像拾取数据; 以及布置在检测部分和图像拾取装置之间的透射率分布滤光器，其中透射率分布滤光器具有在远离光源的区域中透射率高于在光源附近的区域中的透射率分布。
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公开(公告)号：US20100092047A1
公开(公告)日：2010-04-15
申请号：US12450120
申请日：2008-04-03
申请人： Kenji Yamamoto , Isao Ichimura
发明人： Kenji Yamamoto , Isao Ichimura
CPC分类号： G06K9/00046 , A61B5/117 , G02B3/0006 , G02B6/0055 , G02B6/0056 , G06K2009/00932
摘要： A low-profile biometrics authentication system capable of achieving high security level authentication is provided. A biometrics authentication system 1 includes a light source 10, a light guide section 11A, a diffraction section 11B, a microlens array 12, an image pickup device 13, an image processing section 14, a pattern storing section 15, an authentication section 16, a voltage supply section 17, a light source driving section 181, an image pickup device driving section 182 and a control section 19. When light L0 emitted from the light source 10 propagates through the light guide section 11A by total reflection, and then enters the diffraction section 11B, light L1 diffracted at a different angle from an incident angle is generated. Thereby, the light guide section 11A functions as a surface-emitting light source, and total reflection conditions in the light guide section 11A are not satisfied, and the light L1 is guided to the outside of the light guide section 11A, thereby light is sufficiently applied to the inside of the living body 2.
摘要翻译： 提供能够实现高安全级别认证的低调生物识别认证系统。 生物体认证系统1包括光源10，导光部11A，衍射部11B，微透镜阵列12，图像拾取装置13，图像处理部14，图案存储部15，认证部16， 电压供给部17，光源驱动部181，摄像元件驱动部182和控制部19.当从光源10发射的光L0通过全反射传播通过导光部11A后，进入 衍射部11B产生以与入射角不同的角度衍射的光L1。 因此，导光部11A用作表面发射光源，并且不满足导光部11A中的全反射条件，并且将光L1引导到导光部11A的外部，从而光充分 应用于生物体2的内部。
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公开(公告)号：US20090027542A1
公开(公告)日：2009-01-29
申请号：US12213413
申请日：2008-06-19
IPC分类号： H04N5/225
CPC分类号： H04N5/2254 , G02B3/0056 , G02B27/0075 , H04N5/232
摘要： An image pickup apparatus capable of increasing the number of pixels in a reproduced image without a decline in image quality of a picked up image is provided. The image pickup apparatus includes: an image pickup lens section including an aperture stop, the aperture stop including a plurality of aperture sections; an image pickup device obtaining image pickup data on the basis of light received; and a microlens array section being arranged on the focal plane of the image pickup lens section between the image pickup lens and the image pickup device, and including one microlens for a plurality of pixels of the image pickup device.
摘要翻译： 提供了能够增加再现图像中的像素数而不会使拍摄图像的图像质量下降的图像拾取装置。 图像拾取装置包括：包括孔径光阑的图像拾取透镜部分，所述孔径光阑包括多个孔部分; 图像拾取装置，基于所接收的光获取图像拾取数据; 并且微透镜阵列部分布置在图像拾取透镜部分在图像拾取透镜和图像拾取装置之间的焦平面上，并且包括用于图像拾取装置的多个像素的一个微透镜。
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