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1. 发明专利

JP2009169140A Optical element 有权
标题翻译：光学元件
公开(公告)号：JP2009169140A
公开(公告)日：2009-07-30
申请号：JP2008007676
申请日：2008-01-17
申请人： Dainippon Screen Mfg Co Ltd , Tohoku Univ , 国立大学法人東北大学 , 大日本スクリーン製造株式会社
发明人： MIYAKE TAKASHI , OKAZAKI MASAHIDE , UCHIDA TATSUO , KAWAKAMI TORU , KATAGIRI BAKU , KURATOMI YUHEI
IPC分类号： G02B5/02 , G02B3/00 , G02B5/00 , G02F1/1335 , G03B21/62
摘要： PROBLEM TO BE SOLVED: To facilitate manufacturing by solving overhang of a lens face in enlarging a vertical viewing angle produced with an optical element of a conventional lens array mode. SOLUTION: The optical element is formed by aligning a refractive lens face 4 and a lens unit 10 having a nonaxisymmetric total reflection lens face 5 with a focus F in the vicinity of the lens surface center of the refractive lens face, wherein in the alignment, a plurality of kinds of lens units with mutually different main light beam directions 32 of the diffusion pencil of light beams 7 are mixed with one another. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过在扩大由常规透镜阵列模式的光学元件产生的垂直视角的同时解决透镜面的突出来促进制造。解决方案：通过使折射透镜面4和具有非对称全反射透镜面5的透镜单元10与折射透镜面的透镜表面中心附近的焦点F对准来形成光学元件，其中，对准，光束7的漫射笔的主光束方向32彼此不同的多种透镜单元彼此混合。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2007017813A Three-dimensional linear spatial imaging optical system and projection optical system using the same 审中-公开
标题翻译：三维线性空间成像光学系统和投影光学系统
公开(公告)号：JP2007017813A
公开(公告)日：2007-01-25
申请号：JP2005200969
申请日：2005-07-08
申请人： Tohoku Techno Brains Corp , Tohoku Univ , 国立大学法人東北大学 , 株式会社東北テクノブレインズ
发明人： UCHIDA TATSUO , KAWAKAMI TORU , KATAGIRI BAKU , KURATOMI YUHEI
IPC分类号： G02B13/00 , G02B17/08 , G03B21/00
摘要： PROBLEM TO BE SOLVED: To provide a three-dimensional linear spatial imaging optical system capable of yielding a formed image without nonlinear strain to an object even when an incident angle on an imaging surface is made large, and a projection optical system using the same.
SOLUTION: Provided are the three-dimensional linear spatial imaging optical system 5 which forms the non-deformed image of a three-dimensional object (object grating 3) or the deformed image (imaging grating 4) thereof uniformly elongated and contracted and/or sheared in respective axial directions of three orthogonal axes in a separate space, and the projection optical system which uses the three-dimensional linear spatial imaging optical system, and where a picture display device 12 is arranged to be tilted to an optical axis 6 as the three-dimensional object therefor and a screen 13 is arranged nearly at the imaging position.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使在成像面上的入射角变大的情况下，能够产生对物体没有非线性应变的形成图像的三维线性空间成像光学系统，以及使用一样。解决方案：提供了形成三维物体（物体光栅3）或其变形图像（成像光栅4）的未变形图像的三维线性空间成像光学系统5，其均匀地伸长和收缩， /或在单独的空间中在三个正交轴的各轴向上剪切，以及使用三维线性空间成像光学系统的投影光学系统，其中图像显示装置12布置成向光轴6倾斜作为其三维物体，屏幕13几乎位于成像位置。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007178687A Image display system for generating environmental space 审中-公开
标题翻译：用于生成环境空间的图像显示系统
公开(公告)号：JP2007178687A
公开(公告)日：2007-07-12
申请号：JP2005376608
申请日：2005-12-27
申请人： Tohoku Techno Brains Corp , Tohoku Univ , 国立大学法人東北大学 , 株式会社東北テクノブレインズ
发明人： UCHIDA TATSUO , KURATOMI YUHEI
IPC分类号： G09F13/04 , G02B27/02
摘要： PROBLEM TO BE SOLVED: To provide an image display system for generating environmental space capable of making an indoor space comfortable.
SOLUTION: The configuration constituted by superposing a windowpane 1, a photograph 2 printed on a transparent film, and a diffusion film 3 on each other is employed. Also, the configuration comprises arranging the photograph 3 printed on the transparent film, a diffusion plate 4, and a glass pane 6 at need in superposition on a light exit surface of a light box 5. Optionally, the configuration comprises further arranging a false window 7 oppositely to the image display surface.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于产生能够使室内空间舒适的环境空间的图像显示系统。解决方案：采用通过将窗玻璃1叠加，印刷在透明膜上的照片2和彼此扩散膜3构成的结构。此外，该配置包括将需要叠加在透明膜上的照片3，扩散板4和玻璃板6叠加在灯箱5的光出射表面上。可选地，该配置还包括布置假窗口 7与图像显示面相反。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007003224A Method and apparatus for measuring coefficient of viscosity of liquid crystal 有权
标题翻译：用于测量液晶粘度系数的方法和装置
公开(公告)号：JP2007003224A
公开(公告)日：2007-01-11
申请号：JP2005180679
申请日：2005-06-21
申请人： Tohoku Techno Brains Corp , Tohoku Univ , 国立大学法人東北大学 , 株式会社東北テクノブレインズ
发明人： MIYASHITA TETSUYA , UCHIDA TATSUO , KURATOMI YUHEI
IPC分类号： G01N11/00 , G01N21/21 , G01N21/59
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for measuring a coefficient of the viscosity of a liquid crystal capable of measuring easily and highly accurately the rotational coefficient γ
1 of viscosity and coefficients η
1 , η
2 of shear viscosity of Miesowicz of an N-type liquid crystal cell.
SOLUTION: Observation of a response to an applied step-up voltage is performed once or in a plurality of times by changing a voltage range of the step-up voltage in the state where each optical axis of either of two orthogonal polarizers arranged on both sides of a liquid crystal cell sample having a homeotropic structure and of the sample is adjusted in parallel, to thereby determine a voltage range wherein a light leakage is removed. Then, the value of the rotational coefficient γ
1 of viscosity is determined from an ON-response characteristic measured by the step-up voltage in the determined voltage range in the state where each optical axis is crossed at about 45°, and then each value of the coefficients η
1 , η
2 of shear viscosity is determined from an OFF-response characteristic measured by a step-down voltage in a proper voltage range.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够容易且高精度地测量粘度和系数η的旋转系数γ 1 的液晶粘度系数的测量方法和装置， N型液晶单元的Miesowicz的剪切粘度的 1 ，η 2 。解决方案：通过在布置两个正交偏振器中的任一个的每个光轴的状态下改变升压电压的电压范围来执行对所施加的升压电压的响应的观察一次或多次在具有垂直结构的液晶单元样品和样品的两侧并联调节，从而确定去除了漏光的电压范围。然后，在每个光轴交叉的状态下，在由确定的电压范围内的升压电压测量的ON-响应特性来确定粘度的旋转系数γ 1 的值 45°，然后从适当的降压电压测量的OFF响应特性确定剪切粘度的系数η 1 ，η 2 的每个值电压范围版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006235403A Unit for variably converting light direction without depending on light wavelength and thin rear projection display optical system 审中-公开
标题翻译：单独转换光方向，不依赖于光波长和后端投影显示光学系统
公开(公告)号：JP2006235403A
公开(公告)日：2006-09-07
申请号：JP2005052073
申请日：2005-02-25
申请人： Tohoku Techno Brains Corp , Tohoku Univ , 国立大学法人東北大学 , 株式会社東北テクノブレインズ
发明人： UCHIDA TATSUO , KATAGIRI BAKU , KAWAKAMI TORU , KURATOMI YUHEI
IPC分类号： G02B13/24 , G03B21/10
摘要： PROBLEM TO BE SOLVED: To provide a unit for variably converting a light direction without depending on a light wavelength, which is capable of realizing a light direction converting means having a light direction conversion characteristic without degrading image quality and without depending on a light wavelength and capable of composing a thin rear projection optical system of high image quality by using the light direction converting means, and to provide a thin rear projection display optical system using the unit.
SOLUTION: The unit 50 for variably converting a light direction comprises one or more optical deflection elements 6 arranged such that achromatic lenses 4 and 5 having positive and negative focal distances respectively or achromatic lenses having positive focal distances are disposed so that their optical axes are almost parallel and the sum of their focal distances and a relative distance in the optical axis direction are almost equal. The thin rear projection display optical system comprises the unit disposed in the system.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于可变地转换光方向而不依赖于光波长的单元，其能够实现具有光方向转换特性的光方向转换装置，而不会降低图像质量，而不依赖于并且能够通过使用光方向转换装置构成具有高图像质量的薄的后投影光学系统，并且提供使用该单元的薄的后投影显示光学系统。解决方案：用于可变地转换光方向的单元50包括一个或多个光学偏转元件6，其布置成使得具有正和负焦距的消色差透镜4和5或具有正焦距的消色差透镜被布置成使得它们的光轴几乎平行，它们的焦距和光轴方向上的相对距离之和几乎相等。薄的背投显示光学系统包括设置在系统中的单元。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2009071573A Videophone system 审中-公开
标题翻译：视频系统
公开(公告)号：JP2009071573A
公开(公告)日：2009-04-02
申请号：JP2007237609
申请日：2007-09-13
申请人： Tohoku Univ , 国立大学法人東北大学
发明人： UCHIDA TATSUO , KATAGIRI BAKU , SUZUKI YOSHITO , KAWAKAMI TORU , KURATOMI YUHEI , HIYAMA KOUTA , TAKAMURA KAZUHIDE
IPC分类号： H04N7/14 , H04M3/56
摘要： PROBLEM TO BE SOLVED: To provide a videophone system with high definition capable of hardly generating an unnatural feeling in conversation. SOLUTION: The videophone system performs the communication of image data and voice data between a plurality of terminals 11. Each terminal includes: a display means 2 for displaying an image from a communication opposite party; and an imaging means 5 for imaging a user A from a substantially front part, who changes a position while fixing eyes on the screen of the display means, and generating the image 3A, where the imaged image of the user occupies the substantially center of the screen, as the image to the communication opposite party. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种在谈话中难以产生不自然的感觉的高分辨率的可视电话系统。解决方案：视频电话系统在多个终端11之间执行图像数据和语音数据的通信。每个终端包括：显示装置2，用于显示来自通信对方的图像; 以及成像装置5，用于从基本上前面部分成像用户A，其在将眼睛固定在显示装置的屏幕上的同时改变位置，并且生成图像3A，其中用户的成像图像占据了基本上位于屏幕，作为通信对方的图像。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2007178888A Prism array for rear projection screen 审中-公开
标题翻译： PRISM ARRAY用于后期投影屏幕
公开(公告)号：JP2007178888A
公开(公告)日：2007-07-12
申请号：JP2005379583
申请日：2005-12-28
申请人： Tohoku Univ , 国立大学法人東北大学
发明人： UCHIDA TATSUO , AOYAMA IORI , KATAGIRI BAKU , KAWAKAMI TORU , KURATOMI YUHEI , YOSHIDA NAOKI
IPC分类号： G03B21/62 , G02B5/02
摘要： PROBLEM TO BE SOLVED: To provide a prism array for a rear projection screen having excellent effect of suppressing stray light.
SOLUTION: When a rear projection screen is composed of a prism array in which many prisms each receiving projector light with a prescribed light incident angle on a light receiving face, thereafter totally reflecting the light at a reflecting face, and emitting the reflected light toward a light emitting face are arranged in parallel, the respective prisms are separated to the arranging direction.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于抑制杂散光的具有优异效果的背投屏幕的棱镜阵列。解决方案：当背投屏幕由棱镜阵列组成时，其中许多接收投影仪的棱镜在光接收面上以规定的光入射角照射，然后在反射面上全反射光并发射反射朝向发光面的光平行配置，各棱镜与排列方向分离。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006208553A Rear projection display optical system limiting light emitting angle of projector 审中-公开
标题翻译：后投影显示光学系统限制发光角度的投影仪
公开(公告)号：JP2006208553A
公开(公告)日：2006-08-10
申请号：JP2005018122
申请日：2005-01-26
申请人： Tohoku Techno Brains Corp , Tohoku Univ , 国立大学法人東北大学 , 株式会社東北テクノブレインズ
发明人： UCHIDA TATSUO , KATAGIRI BAKU , KAWAKAMI TORU , KURATOMI YUHEI
IPC分类号： G03B21/10 , G02B17/00 , G03B21/28
摘要： PROBLEM TO BE SOLVED: To provide a rear projection display optical system limiting the light emitting angle of a projector capable of realizing a high-resolution and high-efficiency thinned rear projection display.
SOLUTION: In the rear projection display optical system successively reflecting light from a picture display element 1 by a plurality of aspherical reflection plates 2
1 to 2
n and guiding it to a screen 3, a difference |θ
max -θ
min | between a maximum angle θ
max and a minimum angle θ
min in the emitting direction of light from the picture display element on a cross section longitudinally cutting the optical path of the optical system is within a range equal to or under an angle α decided from geometrical optics and equal to or above an angle β decided from wave optics, and the locus of the intersection of two light beams emitted from one point moving on all the surface of the picture display element at two angles θ
max and θ
min and reflected on the aspherical reflection plate 2
n of a final stage forms an almost plane, and a screen surface is positioned within the range of the recessed and projecting parts of the almost plane.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供限制能够实现高分辨率和高效率薄型背投显示的投影仪的发光角度的背投显示光学系统。解决方案：在后投影显示光学系统中，通过多个非球面反射板2 1 连续地将来自图像显示元件1的光反射到2 n 并将其引导在最大角度θ max 与最小角度θ min 之间的差值¾θ <<<<< / SB>在纵向切割光学系统的光路的横截面上来自图像显示元件的光的发射方向处于等于或低于由几何光学决定并等于或大于角度β的角度α的范围内由波形光学决定，并且以两个角度θ max 和θ min 从图像显示元件的所有表面上移动的一个点发射的两个光束的交点并且反射在最终级的非球面反射板2上形成几乎平面，并且屏幕表面位于凹进和突出部分的范围内几乎飞机。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2008216479A Wavelength variable filter spectroscopic device 审中-公开
标题翻译：波长可变滤波器光谱仪器
公开(公告)号：JP2008216479A
公开(公告)日：2008-09-18
申请号：JP2007051804
申请日：2007-03-01
申请人： 21 Aomori Sangyo Sogo Shien Center , Tohoku Univ , 国立大学法人東北大学 , 財団法人21あおもり産業総合支援センター
发明人： UCHIDA TATSUO , SUZUKI YOSHITO , KAWAKAMI TORU , ISHINABE TAKAHIRO , KURATOMI YUHEI , WAKAO KAZUHIRO
IPC分类号： G03B11/00 , A61B1/00 , G01J3/447 , G02B5/20 , G02B23/26 , G02F1/1335 , H04N5/225
摘要： PROBLEM TO BE SOLVED: To provide a wavelength variable filter spectroscopic device which is preferably applied to medical equipment such as an endoscope. SOLUTION: The wavelength variable filter spectroscopic device is equipped with a wavelength variable filter 15 inside an imaging lens system 5 receiving light from a part to be observed 4 and comprising a plurality of lenses, and a spectral image formed by transmitting received light through the wavelength variable filter is formed on a solid state imaging device 6 by the imaging lens system, and successively output from the solid state imaging device. COPYRIGHT: (C)2008,JPO&INPIT

10. 发明专利

JP2007183498A Diffusion film and projection system 有权
标题翻译：扩散膜和投影系统
公开(公告)号：JP2007183498A
公开(公告)日：2007-07-19
申请号：JP2006002675
申请日：2006-01-10
申请人： Tohoku Univ , 国立大学法人東北大学
发明人： UCHIDA TATSUO , KAWAKAMI TORU , KATAGIRI BAKU , KURATOMI YUHEI
IPC分类号： G03B21/62 , G02B5/02 , G02F1/1335 , G02F1/13357 , G03B21/00
摘要： PROBLEM TO BE SOLVED: To provide a diffusion film having high resolution and wide viewing angle and capable of displaying a high contrast image by realizing functions required for a screen by an optical device composed of only one sheet and free from fine particles and to provide a projection system using the diffusion film.
SOLUTION: The diffusion film 3 is a single film for diffusing and emitting an incident light, realizes the diffusion by only the surface shape, and has nearly constant top hat diffusion characteristics without depending on the incident angle. Further, the size of an incident angle area and the size of an emission diffusion angle area can be controlled mutually independently, and the angle in the central direction of the incident angle area and the angle in the central direction of the emission diffusion angle area can be controlled mutually independently. The surface realizing the diffusion is formed into, for example, a microlens array shape or a lenticular lens shape.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高分辨率和宽视角的扩散膜，并且能够通过仅由一个薄片组成的光学装置实现屏幕所需的功能而显示高对比度图像，并且不含细颗粒，以提供使用该扩散膜的投影系统。解决方案：扩散膜3是用于漫射和发射入射光的单个膜，仅通过表面形状实现扩散，并且具有几乎恒定的顶帽扩散特性而不依赖于入射角。此外，可以相互独立地控制入射角区域的尺寸和发射扩散角区域的尺寸，并且入射角区域的中心方向的角度和发射扩散角区域的中心方向上的角度互相独立地进行控制。实现扩散的表面形成为例如微透镜阵列形状或双凸透镜形状。版权所有（C）2007，JPO＆INPIT

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