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1. 发明授权

US06660986B2 Information reading and recording apparatus for recording media 失效
公开(公告)号：US06660986B2
公开(公告)日：2003-12-09
申请号：US10026632
申请日：2001-12-27
申请人： Kozo Matsumoto , Atsushi Kitamura , Motoji Egawa
发明人： Kozo Matsumoto , Atsushi Kitamura , Motoji Egawa
IPC分类号： G02B2740
CPC分类号： G11B7/139 , G11B7/123 , G11B7/1374 , G11B2007/0006
摘要： An information reading and recording apparatus in which recording media having respective recording densities different front each other, such as DVD, CD, CD-R/RW and the like, can be compatibly read and recorded only with a low-cost laser diode for low recording density. A laser beam from the laser diode is passed through a collimator lens via a half mirror, and there is provided a reflecting mirror for introducing the laser beam to one of two objective lenses, from which the laser beam is emitted towards the disk. One of the objective lenses is a lens having a high numerical aperture and the other one is a lens having a low numerical aperture. A super-resolution cut-off filter is disposed immediately before the objective lens having a high numerical aperture so that the objective lens and the super-resolution cut-off filter are placed in the optical path on reading DVD. On reading CD, the other lens is placed in the optical path. The laser beam reflected from the disk is received by a photo-detector for converting it into an electrical signal.

2. 发明授权

US07002892B2 Optical pickup reproducing apparatus having reading compatibility among recording media with respective recording densities different from one another 失效
标题翻译：具有在彼此不同的记录密度的记录介质之间具有读取兼容性的光学拾取重放装置
公开(公告)号：US07002892B2
公开(公告)日：2006-02-21
申请号：US10184984
申请日：2002-07-01
申请人： Atsushi Kitamura , Kozo Matsumoto , Motoji Egawa
发明人： Atsushi Kitamura , Kozo Matsumoto , Motoji Egawa
IPC分类号： G11B7/00
CPC分类号： G11B7/1362 , G11B7/1365 , G11B7/1369 , G11B7/139 , G11B2007/0006 , G11B2007/13727
摘要： A liquid crystal element is provided as a polarization plane rotating device between a laser beam source and a beam splitter. Light emitted from the laser beam source passes through the liquid crystal element and the beam splitter, and is converted into parallel light by a collimating lens. The collimated light is incident on a first light-selection device, is reflected at a flat first reflecting surface or a concave second reflecting surface, and is then incident on a super-resolution cut-off filter as a second light-selection device. The light having passed through the second light-selection device is incident on an objective lens, and is converged onto a recording surface. The selection of the reflecting surface of the first light-selection device is determined based on an operation mode of the liquid crystal element.
摘要翻译：液晶元件作为激光束源和分束器之间的偏振面旋转装置。从激光束源发射的光通过液晶元件和分束器，并通过准直透镜转换为平行光。准直光入射到第一光选择装置上，在平坦的第一反射面或凹的第二反射面反射，然后作为第二光选择装置入射到超分辨率截止滤光片上。已经穿过第二光选择装置的光入射到物镜上，并被会聚在记录表面上。基于液晶元件的操作模式来确定第一光选择装置的反射表面的选择。

3. 发明授权

US06930962B2 Optical information reading apparatus with super-resolution cut-off filter 失效
标题翻译：具有超分辨率截止滤光片的光学信息读取装置
公开(公告)号：US06930962B2
公开(公告)日：2005-08-16
申请号：US10237686
申请日：2002-09-10
申请人： Atsushi Kitamura , Kozo Matsumoto , Mizuki Nakamura , Motoji Egawa
发明人： Atsushi Kitamura , Kozo Matsumoto , Mizuki Nakamura , Motoji Egawa
IPC分类号： G11B7/09 , G11B7/00 , G11B7/125 , G11B7/135 , G11B7/095
CPC分类号： B82Y10/00 , G11B7/0903 , G11B7/1365 , G11B7/1381 , G11B2007/0006
摘要： An optical information reading apparatus includes a semiconductor laser, a beam splitter, a collimating lens, a super-resolution cut-off filter, an objective lens having a high numerical aperture, and a photodetector. The super-resolution cut-off filter is disposed immediately in front of the incident side of the objective lens. The photodetector is a well-known eight-division photodetector with a signal processing circuit, reads recorded information and also outputs tracking and focusing control signals to a control circuit. The laser beam is separated into a 0-th order laser beam and ± primary laser beams, which are made incident on the objective lens, pass therethrough, and are made incident on the recording surface of a disk. The 0-th order laser beam is used to read information and to control focussing while the ± primary laser beams are used to control tracking.
摘要翻译：光学信息读取装置包括半导体激光器，分束器，准直透镜，超分辨率截止滤光器，具有高数值孔径的物镜和光电检测器。超分辨率截止滤光器立即设置在物镜的入射侧的前方。光电检测器是具有信号处理电路的众所周知的八分光电检测器，读取记录的信息，并且还将跟踪和聚焦控制信号输出到控制电路。将激光束分离为0级激光束，入射到物镜上的±主激光束通过，并入射到盘的记录面上。当使用±主激光束来控制跟踪时，第0阶激光束用于读取信息并控制聚焦。

4. 发明授权

US07035194B2 Optical pickup apparatus for reading and recording information on recording media 失效
公开(公告)号：US07035194B2
公开(公告)日：2006-04-25
申请号：US10243921
申请日：2002-09-16
申请人： Mizuki Nakamura , Atsushi Kitamura , Kozo Matsumoto , Motoji Egawa
发明人： Mizuki Nakamura , Atsushi Kitamura , Kozo Matsumoto , Motoji Egawa
IPC分类号： G11B7/135
CPC分类号： G11B7/1381 , G11B7/1367 , G11B7/139 , G11B7/1395 , G11B2007/0006 , G11B2007/13727
摘要： An optical pickup apparatus for reading and recording information on recording media includes a semiconductor laser, a collimating lens, a half mirror, a reflecting mirror, and an objective lens. Further included therein are a super-resolution cutoff filter and an aperture control filter, one of which is appropriately selected and set right before the objective lens by a filter switching-over device. When reading the DVD, the super-resolution cutoff filter is set at the optical path, whereas when reading the CD, the aperture control filter is set thereat. The filter switching device is arranged separately from an actuator driving system having the objective lens integrally structured therewith.

5. 发明授权

US06996050B2 Optical pickup apparatus for reading and recording information on recording medium 失效
标题翻译：用于在记录介质上读取和记录信息的光学拾取装置
公开(公告)号：US06996050B2
公开(公告)日：2006-02-07
申请号：US10241550
申请日：2002-09-12
申请人： Mizuki Nakamura , Atsushi Kitamura , Kozo Matsumoto , Motoji Egawa
发明人： Mizuki Nakamura , Atsushi Kitamura , Kozo Matsumoto , Motoji Egawa
IPC分类号： G11B7/00
CPC分类号： G11B7/139 , G11B7/1365 , G11B7/1381 , G11B7/1395 , G11B2007/0006 , G11B2007/13727
摘要： A laser beam emitted from a laser diode and having a wavelength of 780 nm is S-polarized. A polarization plane rotating means (λ/4 phase plate) is disposed between a super-resolution cut-off filter comprising a polarizing filter film and an objective lens. When reading on DVD, the objective lens, the polarization plane rotating means and the super-resolution cut-off filter in combination are set to the optical path. The S-polarized laser beam is focused to a micro spot diameter by super-resolution effects by the super-resolution cut-off filter together with the objective lens. Also, the S-polarized laser beam reflected at a disk and traveling backward along the incoming optical path is converted into a P-polarized laser beam while passing backward through the polarization plane rotating means. The P-polarized laser beam passes through the super-resolution cut-off filter without loss is received by a photo-detector.
摘要翻译：从激光二极管发射并具有780nm波长的激光束是S偏振光。在包括偏振滤光膜和物镜的超分辨率截止滤光器之间设置偏振面旋转装置（λ/ 4相位板）。当在DVD上读取时，将物镜，偏振面旋转装置和超分辨率截止滤光器组合在一起设置为光路。通过超分辨率截止滤光片与物镜的超分辨率效果将S偏光激光束聚焦到微光斑直径。此外，在光盘反射并沿着入射光路向后移动的S偏振激光束在通过偏振面旋转装置的同时被转换成P偏振激光束。 P偏振激光束通过超分辨率截止滤光器，而不损失由光电检测器接收。

6. 发明授权

US07066634B2 Spread illuminating apparatus having light controlling means 失效
标题翻译：具有光控制装置的扩展照明装置
公开(公告)号：US07066634B2
公开(公告)日：2006-06-27
申请号：US10788292
申请日：2004-03-01
申请人： Atsushi Kitamura , Motoji Egawa
发明人： Atsushi Kitamura , Motoji Egawa
IPC分类号： F21V7/04
CPC分类号： G02B6/0028
摘要： A spread illuminating apparatus comprises a plurality of LED's as light sources, a light conductive plate, and a light controlling means disposed between the LED's and the light conductive plate. The light controlling means includes a plurality of transparent resin films which have respective different refractive indexes, which are laminated over one another in a direction parallel to a major surface as a light exit surface of the light conductive plate thereby forming a refractive index profile in the direction parallel to the light exit surface of the light conductive plate, and two adjacent ones of which are put together by adhesive that can transmit light emitted from the LED.
摘要翻译：扩展照明装置包括多个LED作为光源，导光板和设置在LED和导光板之间的光控制装置。光控制装置包括多个具有各自不同折射率的透明树脂膜，它们在与主表面平行的方向上彼此层叠，作为导光板的光出射表面，从而在导光板中形成折射率分布方向平行于导光板的光出射表面，并且其两个相邻的方向通过可以透射从LED发射的光的粘合剂放置在一起。

7. 发明授权

US06944111B2 Information reading and recording apparatus 失效
标题翻译：信息读取和记录设备
公开(公告)号：US06944111B2
公开(公告)日：2005-09-13
申请号：US10212164
申请日：2002-08-06
申请人： Mizuki Nakamura , Atsushi Kitamura , Kozo Matsumoto
发明人： Mizuki Nakamura , Atsushi Kitamura , Kozo Matsumoto
IPC分类号： G11B7/00 , G11B7/125 , G11B7/135
CPC分类号： G11B7/1381 , G11B7/1365 , G11B2007/0006 , G11B2007/13727
摘要： An information reading and recording apparatus includes a super-resolution cut-off filter having an annular metal reflection film at its center portion and disposed immediately before one of two objective lenses with a higher NA. When reading DVD, the one objective lens with a higher NA with the super-resolution cut-off filter disposed therebefore is positioned at the optical path. When reading CD, the other objective lens with a lower NA is positioned at the optical path. The laser beam reflected by a disk follows backward the incoming optical path to pass through a half mirror, and is received by a photo-detector to be converted into an electrical signal.
摘要翻译：信息读取和记录装置包括超分辨率截止滤光器，其在其中心部分具有环形金属反射膜，并且立即设置在具有较高NA的两个物镜之一之前。当读DVD时，设置有超分辨率截止滤波器的具有较高NA的一个物镜位于光路上。当读取CD时，具有较低NA的另一物镜位于光路。由盘反射的激光束沿着入射光路的后方通过半透半反镜，并由光电检测器接收以转换成电信号。

8. 发明申请

US20070139721A1 Image processing system 失效
标题翻译：图像处理系统
公开(公告)号：US20070139721A1
公开(公告)日：2007-06-21
申请号：US10590024
申请日：2005-01-11
申请人： Atsushi Kitamura , Kimio Saitou , Makoto Nishimura
发明人： Atsushi Kitamura , Kimio Saitou , Makoto Nishimura
IPC分类号： H04N1/40
CPC分类号： G06T1/0007
摘要： An image processing system is provided that includes a first-motor control apparatus (40), having a communication interface (42) connected in series with a transmission line, for obtaining a detection position of a control subject and outputting a position-detection signal, an image processing apparatus (30), having a communication interface (32) connected in series with the transmission line and a memory (34) that stores the position-detection signal, for capturing an image of a workpiece (60) and generating an image-processing signal based on image processing, and a master apparatus (10) for implementing communication control of the image processing apparatus (30) and the first-motor control apparatus (40), and in which the image processing apparatus (10) starts the image processing, in accordance with an in-bound start command, stores in the memory (32) the position-detection signal, and outputs to the master apparatus (10) the position-detection signal along with the image-processing signal.
摘要翻译：提供了一种图像处理系统，其包括具有与传输线串联连接的通信接口（42）的第一电动机控制装置（40），用于获得控制对象的检测位置并输出位置检测信号，具有与传输线串联连接的通信接口（32）的图像处理装置（30）和存储位置检测信号的存储器（34），用于捕获工件（60）的图像并产生图像基于图像处理的处理信号，以及用于实现图像处理装置（30）和第一马达控制装置（40）的通信控制的主装置（10），其中图像处理装置（10）开始图像处理根据入门开始命令，在存储器（32）中存储位置检测信号，并向主装置（10）输出位置检测信号具有图像处理信号。

9. 发明申请

US20070132962A1 Light source assembly, and image display apparatus incorporating same 审中-公开
标题翻译：光源组件和包含其的图像显示装置
公开(公告)号：US20070132962A1
公开(公告)日：2007-06-14
申请号：US11634152
申请日：2006-12-06
申请人： Atsushi Kitamura
发明人： Atsushi Kitamura
IPC分类号： G03B21/00
CPC分类号： G03B21/208
摘要： A light source assembly includes: a plurality of point light sources; a beam composing composite prism including a plurality of light inlet surfaces, a plurality of dichroic planes, and a light outlet surface; and an optical integrator including a plurality of light reflecting planes forming a light guide path, a light inlet end corresponding to one end of the light guide path, and a light outlet end corresponding to the other end of the light guide path. In the light source assembly, the plurality of point sources are each disposed in contact with one light inlet surface of the beam combining composite prism, and the beam combining composite prism and the optical integrator are coupled to each other such that the light outlet surface of the beam combining composite prism and the light inlet end of the optical integrator are in contact with each other.
摘要翻译：光源组件包括：多个点光源; 包括多个光入射表面的多个复合棱镜，多个二向色面和光出射面; 以及包括形成导光路径的多个光反射面的光学积分器，与导光路径的一端对应的光入射端和对应于导光路径的另一端的光出射端。在光源组件中，多个点光源各自设置成与光束组合复合棱镜的一个光入射表面接触，并且光束组合复合棱镜和光学积分器彼此耦合，使得光出射面光束组合复合棱镜和光学积分器的光入射端彼此接触。

10. 发明申请

US20070098324A1 Optical multiplexer and projection type display device incorporating same 审中-公开
标题翻译：光复用器和投影型显示装置相结合
公开(公告)号：US20070098324A1
公开(公告)日：2007-05-03
申请号：US11542203
申请日：2006-10-04
申请人： Atsushi Kitamura , Sawa Tanabe
发明人： Atsushi Kitamura , Sawa Tanabe
IPC分类号： G02B6/28 , G02B6/34
CPC分类号： G02B6/2938 , G02B5/1861 , G02B6/29308 , G02B6/2931 , G02B6/4215 , G03B21/2033
摘要： There is provided an optical multiplexer which includes a plurality of light sources to emit light beams having respective different wavelengths, and a diffraction grating to reflect the light beams emitted from the light sources. The plurality of light sources are positioned and oriented with respect to one another and to the diffraction grating so that the light beams which are emitted from the light sources, fall on the diffraction grating, and are reflected thereat are mixed so as to proceed along one common optical path. This enables downsizing of a device and ensures a reliable multiplexing of light beams with a simple optical system.
摘要翻译：提供了一种光复用器，其包括发射具有各自不同波长的光束的多个光源和用于反射从光源发射的光束的衍射光栅。多个光源相对于彼此和衍射光栅被定位和定向，使得从光源发射的光束落在衍射光栅上，并在其上反射，以便沿着一个方向前进普通光路。这使得能够实现设备的小型化并确保光束与简单光学系统的可靠复用。

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