公开(公告)号：US20060245317A1

公开(公告)日：2006-11-02

申请号：US11410158

申请日：2006-04-25

申请人： Katsuo Iwata ,  Kazuhiro Nagata ,  Yuuichi Nakamura

发明人： Katsuo Iwata ,  Kazuhiro Nagata ,  Yuuichi Nakamura

IPC分类号： G11B7/00

CPC分类号： G11B7/1275 ,  G11B7/1353 ,  G11B7/1381 ,  G11B2007/0006

摘要： To provide an optical head unit which is configured to provide a reproduce signal when reproducing information from a recording medium of a corresponding standard by selectively using laser beams with different wavelengths, an optical diffraction element is provided, in which the grooves of a binary diffraction grating mainly for a laser beam with a wavelength of 655 nm and a blazed diffraction grating mainly for a laser beam with a wavelength of 405 nm are defined substantially parallel, and the reflected laser beams of the laser beams with respective wavelengths reflected by a corresponding optical disc are guided to a substantially the same detection area or detection areas positioned very close to one another in a photodetector.

摘要翻译： 为了提供一种光头单元，其被配置为当通过选择性地使用具有不同波长的激光束从相应标准的记录介质再现信息时提供再现信号，提供光学衍射元件，其中二元衍射光栅 主要用于波长为655nm的激光束和主要用于波长为405nm的激光束的闪耀衍射光栅被基本上平行地限定，并且具有相应波长的激光束的反射激光束被相应的光盘 被引导到基本上相同的检测区域或在光电检测器中彼此非常接近定位的检测区域。

公开(公告)号：US20060245316A1

公开(公告)日：2006-11-02

申请号：US11410137

申请日：2006-04-25

申请人： Katsuo Iwata ,  Kazuhiro Nagata ,  Yuuichi Nakamura

发明人： Katsuo Iwata ,  Kazuhiro Nagata ,  Yuuichi Nakamura

IPC分类号： G11B7/00

CPC分类号： G11B7/1263 ,  G11B2007/0006

摘要： To provide an optical head unit which is configured to provide a reproducing signal difficult to be influenced by vibrations when reproducing information from a recording medium of a corresponding standard by selectively using laser beams with different wavelengths, the distance between a beam split phase of a beam splitter and a photodetector is reduced by providing a ball lens on a beam split plane defined not parallel and not vertical to an axial line connecting an optical coupling prism and a beam splitter, and reducing the distance between a photodetector and a beam split plane of a beam splitter, as an embodiment of a disc apparatus.

摘要翻译： 提供一种光头单元，其被配置为当通过选择性地使用具有不同波长的激光束从相应标准的记录介质再现信息时提供难以受到振动的再现信号，光束分束相位之间的距离 通过在光束分离平面上设置球面透镜而不是平行且不垂直于连接光耦合棱镜和分束器的轴线而减小光束检测器和光束检测器，并且减小光电检测器与光束分离平面之间的距离 分束器，作为盘装置的实施例。

公开(公告)号：US20060221783A1

公开(公告)日：2006-10-05

申请号：US11390393

申请日：2006-03-28

申请人： Kazuhiro Nagata ,  Katsuo Iwata

发明人： Kazuhiro Nagata ,  Katsuo Iwata

IPC分类号： G11B7/00

CPC分类号： G11B7/1356 ,  G11B7/094 ,  G11B7/131 ,  G11B7/1353 ,  G11B7/1367 ,  G11B7/13922 ,  G11B2007/0006

摘要： An embodiment of an optical head unit which is difficult to be influenced by an inter-layer crosstalk of recording layers and decreases a load of a signal reproduce system when reproducing and recording information from an optical disc having two or more recording layers, provide a diffraction optical element for focusing a pattern on the light-receiving surface of a photodetector which receives a reflected laser beam reflected on first and second recording layers of an optical disc and outputs a corresponding signal, in a state that a component close to the center of a reflected laser beam reflected by an optical disc is polarized. The diffraction optical element diffracts the central portion of a reflected laser beam at a fixed rate, receives a reflected laser beam reflected on the recording layer of an optical disc which passes a peripheral edge portion as a non-diffracted light.

摘要翻译： 光记录单元的实施例难以受到记录层的层间串扰的影响，并且当从具有两个或更多个记录层的光盘再现和记录信息时减少信号再现系统的负载，提供衍射 光学元件，用于在接收在光盘的第一和第二记录层上反射的反射激光束的光电检测器的光接收表面上聚焦图案，并在接近中心的分量的状态下输出相应的信号 由光盘反射的反射激光束被极化。 衍射光学元件以固定的速率衍射反射激光束的中心部分，接收以非衍射光通过外围边缘部分的光盘的记录层上反射的反射激光束。

公开(公告)号：US20060193220A1

公开(公告)日：2006-08-31

申请号：US11363606

申请日：2006-02-28

申请人： Katsuo Iwata ,  Kazuhiro Nagata

发明人： Katsuo Iwata ,  Kazuhiro Nagata

IPC分类号： G11B7/00

CPC分类号： G11B7/1353 ,  G11B7/131

摘要： To provide an optical pickup and an optical disc apparatus which obtains stable reproduce signal when reproducing information from a recording medium of a standard handled by selectively using laser beams with different wavelengths, use a diffraction grating having a diffraction pattern defined according to a laser beam with a first wavelength, and when a laser beam with a second wavelength different from a first wavelength passes, obtain an RF signal by adding a non-diffracted light and diffracted light to an output signal.

摘要翻译： 为了提供一种光学拾取器和光盘装置，当从通过选择性地使用不同波长的激光束处理的标准的记录介质再现信息时获得稳定的再现信号，使用具有根据激光束定义的衍射图案的衍射光栅， 第一波长，并且当具有不同于第一波长的第二波长的激光束通过时，通过将非衍射光和衍射光添加到输出信号来获得RF信号。

公开(公告)号：US06287113B1

公开(公告)日：2001-09-11

申请号：US09480769

申请日：2000-01-10

申请人： Kazuhiro Nagata

发明人： Kazuhiro Nagata

IPC分类号： A61C1100

CPC分类号： A61C11/08 ,  A61C11/005 ,  A61C11/022 ,  A61C11/06 ,  A61C11/082 ,  A61C11/088

摘要： A full reproduction articulator faithfully and accurately reproduces jaw movement, particularly the chewing movement, including individual differences. It includes a mandibular model member (10), a base (11) erected on this mandibular model member (10), two condyle balls (12, 12) projecting from this base (11), a maxillary model member (13) that occludes the mandibular model member (10), and condyle boxes (17) linked to both sides of the maxillary model member (13) and in contact with the two condyle balls (12, 12) for regulating movement in the anterior/posterior direction, left/right direction and vertical direction of the maxillary model member (13). A Bennett lift mechanism (16) is also provided on the base (11) for lifting the maxillary model member (13) from the working side condyle ball (12) when the maxillary model member (13) moves in the left/right direction, independently of the working side condyle box (17).

摘要翻译： 完整的再现发音器忠实地和准确地再现下巴运动，特别是咀嚼运动，包括个体差异。 其包括下颌模型构件（10），竖立在该下颌模型构件（10）上的基部（11），从该基部（11）突出的两个髁球（12,12），上颌模型构件（13） 下颌模型构件（10）和连接到上颌模型构件（13）的两侧并与两个髁球（12,12）接触的髁盒（17），用于调节前/后方向的运动，左 /上颌模型构件（13）的右方向和垂直方向。 当上颌模型构件（13）沿左/右方向移动时，还在基座（11）上设置有贝内特提升机构（16），用于将上颌模型构件（13）从工作侧髁球（12） 独立于工作侧髁盒（17）。

公开(公告)号：US08593538B2

公开(公告)日：2013-11-26

申请号：US12870262

申请日：2010-08-27

申请人： Kazuhiro Nagata

发明人： Kazuhiro Nagata

IPC分类号： H04N3/14 ,  H04N5/335

CPC分类号： H01L27/14621 ,  H01L27/14627 ,  H01L27/1464

摘要： According to one embodiment, a solid state imaging device has a semiconductor substrate. First, second and third photoelectric conversion portions are provided in a surface region of the semiconductor substrate. A blue color filter has a film thickness to give a first light path length. A green color filter has a film thickness to give a second light path length longer than the first light path length. A red color filter has a film thickness to give a third light path length longer than the second light path length. A flattening film is formed on the blue color filter, the green color filter and the red color filter. The flattening film flats steps of the color filters. Micro lenses are provided on the flat film. Each of the micro lenses is formed at a position corresponding to each of the first, second and third photoelectric conversion portions.

摘要翻译： 根据一个实施例，固态成像装置具有半导体衬底。 首先，在半导体衬底的表面区域设置第二和第三光电转换部。 蓝色滤色器具有提供第一光路长度的膜厚度。 绿色滤色器具有使第二光路长度比第一光路长度长的膜厚。 红色滤色器具有使第三光路长度比第二光路长度长的膜厚度。 在蓝色滤色器，绿色滤色器和红色滤色器上形成有平坦化膜。 扁平薄膜平整滤色片的台阶。 微透镜设在平膜上。 每个微透镜形成在对应于第一，第二和第三光电转换部分中的每一个的位置。

公开(公告)号：US07978585B2

公开(公告)日：2011-07-12

申请号：US12493007

申请日：2009-06-26

申请人： Kazuhiro Nagata ,  Katsuo Iwata

发明人： Kazuhiro Nagata ,  Katsuo Iwata

IPC分类号： G11B7/135

CPC分类号： G11B7/1369 ,  G11B7/13927

摘要： An aberration correcting device includes: a first transparent electrode; a second transparent electrode; and a liquid crystal layer disposed between the first transparent electrode and the second transparent electrode, having refractive index varying according to an electric field applied to the liquid crystal layer, wherein the first transparent electrode has a first circular dividing line and a second circular dividing line formed outside the first circular division line arranged to be concentric with the second circular dividing line, and wherein a region between the first circular dividing line and the second circular dividing line is radially divided by plural radial dividing lines.

摘要翻译： 像差校正装置包括：第一透明电极; 第二透明电极; 以及液晶层，其设置在所述第一透明电极和所述第二透明电极之间，其折射率根据施加到所述液晶层的电场而变化，其中所述第一透明电极具有第一圆形分割线和第二圆形分割线 形成在与第二圆形分割线同心的第一圆形分割线之外，并且其中第一圆形分割线和第二圆形分割线之间的区域由多个径向分割线径向分开。

公开(公告)号：US20100027385A1

公开(公告)日：2010-02-04

申请号：US12493007

申请日：2009-06-26

申请人： Kazuhiro Nagata ,  Katsuo Iwata

发明人： Kazuhiro Nagata ,  Katsuo Iwata

IPC分类号： G11B7/00 ,  G11B7/135

CPC分类号： G11B7/1369 ,  G11B7/13927

摘要： An aberration correcting device includes: a first transparent electrode; a second transparent electrode; and a liquid crystal layer disposed between the first transparent electrode and the second transparent electrode, having refractive index varying according to an electric field applied to the liquid crystal layer, wherein the first transparent electrode has a first circular dividing line and a second circular dividing line formed outside the first circular division line arranged to be concentric with the second circular dividing line, and wherein a region between the first circular dividing line and the second circular dividing line is radially divided by plural radial dividing lines.

摘要翻译： 像差校正装置包括：第一透明电极; 第二透明电极; 以及液晶层，其设置在所述第一透明电极和所述第二透明电极之间，其折射率根据施加到所述液晶层的电场而变化，其中所述第一透明电极具有第一圆形分割线和第二圆形分割线 形成在与第二圆形分割线同心的第一圆形分割线之外，并且其中第一圆形分割线和第二圆形分割线之间的区域由多个径向分割线径向分开。

公开(公告)号：US20080212418A1

公开(公告)日：2008-09-04

申请号：US12022953

申请日：2008-01-30

申请人： Kazuhiro Nagata ,  Katsuo Iwata ,  Hideaki Okano

发明人： Kazuhiro Nagata ,  Katsuo Iwata ,  Hideaki Okano

IPC分类号： G11B7/00

CPC分类号： G11B7/13925 ,  G11B19/12 ,  G11B2007/0013

摘要： According to one embodiment, an optical head device provides a signal processing circuit which sets a control amount to move an objective lens so that a distance between the objective lens and a given recording layer of the an optical disc coincides with a focal position, an optical path length correction mechanism which corrects an influence of an aberration component producing an error in the focal distance, a thickness difference detection circuit which finds an amount of correction to be made by the optical path length, and an aberration correction circuit which generates a correction signal to correct the influence of the aberration component producing the error in the focal distance detected by the thickness difference detection circuit, and supplies the correction signal to the optical path length correction mechanism.

摘要翻译： 根据一个实施例，光学头装置提供信号处理电路，其设置控制量以移动物镜，使得物镜与光盘的给定记录层之间的距离与焦点位置一致，光学 路径长度校正机构，其校正产生焦距误差的像差分量的影响;求出由光程长度求出的校正量的厚度差检测电路;以及产生校正信号的像差校正电路 以校正产生由厚度差检测电路检测的焦距的误差的像差分量的影响，并将校正信号提供给光路长度校正机构。

公开(公告)号：US06940415B2

公开(公告)日：2005-09-06

申请号：US10260306

申请日：2002-10-01

申请人： Kazuhiro Nagata ,  Koji Yokoyama ,  Youich Hiraki

发明人： Kazuhiro Nagata ,  Koji Yokoyama ,  Youich Hiraki

IPC分类号： B66F9/075 ,  G08B21/00

CPC分类号： B66F9/10 ,  B66F9/0755

摘要： A reach type forklift truck includes a rotation sensor interposed between a load wheel and a load wheel shaft on which the load wheel is provided. A signal line for transmitting a detected signal of the rotation sensor is inserted in a guide groove formed in the load wheel shaft that extends along an axial direction thereof. The signal line is led out from a reach rail side of the load wheel.

摘要翻译： 一种到达型叉车包括插入在负载轮和装载轮轴之间的旋转传感器，负载轮设置在该负载轮上。 用于传送旋转传感器的检测信号的信号线被插入形成在负载轮轴中的沿其轴向延伸的引导槽中。 信号线从负载轮的到达轨道侧引出。