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21. 发明专利

JP2012068468A Screen for projection display 有权
标题翻译：投影显示画面
公开(公告)号：JP2012068468A
公开(公告)日：2012-04-05
申请号：JP2010213802
申请日：2010-09-24
申请人： Nippon Telegr & Teleph Corp , Tohoku Univ , 国立大学法人東北大学 , 日本電信電話株式会社
发明人： TAKADA HIDEAKI , DATE MUNEKAZU , UCHIDA TATSUO , KATAGIRI BAKU , SUZUKI YOSHITO
IPC分类号： G03B21/62 , G02B5/02 , G03B21/00 , G03B21/14
摘要： PROBLEM TO BE SOLVED: To provide a screen for a projection display which displays a different image depending on an observation angle and ensures image quality.SOLUTION: A screen for a projection display comprises a plurality of laminated diffusion films 2, which form a refractive index distribution structure inside thereof and diffuses light incident from a specified incident angle region to a specified diffusion angle region, and the laminated diffusion films respectively have different incident angle regions and different diffusion angle regions.
摘要翻译：要解决的问题：提供用于根据观察角度显示不同图像并确保图像质量的投影显示器的屏幕。解决方案：用于投影显示的屏幕包括多个叠层扩散膜2，其在其内部形成折射率分布结构，并将从特定入射角区域入射的光扩散到指定的扩散角区域，并且层叠扩散膜分别具有不同的入射角区域和不同的扩散角区域。版权所有（C）2012，JPO＆INPIT

22. 发明专利

JP2011076121A Three-dimensional display device 有权
标题翻译：三维显示设备
公开(公告)号：JP2011076121A
公开(公告)日：2011-04-14
申请号：JP2011008196
申请日：2011-01-18
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： DATE MUNEKAZU , SUYAMA SHIRO , TAKADA HIDEAKI , TANAKA KEIJI
IPC分类号： G02B27/22
摘要： PROBLEM TO BE SOLVED: To display an image not separated in a back and forth direction, even when viewed from a near position by making a transparent screen interval smaller than heretofore.
SOLUTION: A three-dimensional display device includes a plurality of display devices arranged in different depth positions as seen from an observer, and at least two display devices of the plurality of display devices comprise: a transparent screen having properties for reflecting or diffusing light made incident at a preset specific angle and transmitting light made incident from directions except that; and a projection type display device projecting and displaying an image on the transparent screen. The direction where the display efficiency of the transparent screen is maximum is not parallel in two transparent screens and the optical axis of the projection type display device is nearly equal to the directions where the display efficiencies of the transparent screens are maximum. The display device of the final surface as seen from the observer of the plurality of display devices is an opaque two-dimensional display device.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使通过使透明屏幕间隔比以前更小，从即将从近位置观看时，也可以显示未分离的图像。解决方案：三维显示装置包括从观察者观察而布置在不同深度位置的多个显示装置，并且多个显示装置中的至少两个显示装置包括：具有用于反射或以预设的特定角度使入射光发射，并发射从除此之外的方向入射的光; 以及在透明屏幕上投影和显示图像的投影型显示装置。透明屏幕的显示效率最大的方向在两个透明屏幕中不平行，并且投影型显示装置的光轴几乎等于透明屏幕的显示效率最大的方向。从多个显示装置的观察者观察的最终表面的显示装置是不透明的二维显示装置。版权所有（C）2011，JPO＆INPIT

23. 发明专利

JP2010171749A Handy space sharing system and method for removing image 审中-公开
标题翻译：手持空间共享系统和移除图像的方法
公开(公告)号：JP2010171749A
公开(公告)日：2010-08-05
申请号：JP2009012505
申请日：2009-01-23
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： NOTO HAJIME , TAKADA HIDEAKI , DATE MUNEKAZU , KUNIDA YUTAKA
IPC分类号： H04N7/15
摘要： PROBLEM TO BE SOLVED: To cancel loopback of a video in remote cooperation work.
SOLUTION: A handy space sharing system includes a pair of imaging/display apparatuses to communicate videos photographed by respective imaging/display apparatuses with each other and display them. Each of the imaging/display apparatuses includes: a projection device for projecting a video transmitted from the other imaging/display apparatus to a shared area and displaying the projected video; an imaging apparatus for photographing the shared area; a first polarizing plate arranged in front of the projection device; and a second polarizing plate arranged above and in front of the projection device: wherein, the polarizing direction of the first polarizing plate is a first direction, the polarizing direction of the second polarizing plate is a second direction, and the first direction and the second direction are orthogonal to each other.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在远程协作工作中取消视频的环回。解决方案：便利的空间共享系统包括一对成像/显示装置，用于将通过各个成像/显示装置拍摄的视频彼此进行通信并显示它们。每个成像/显示设备包括：投影设备，用于将从另一个成像/显示设备发送的视频投影到共享区域并显示投影视频; 用于拍摄所述共享区域的成像装置; 布置在投影装置前面的第一偏振片; 以及配置在所述投影装置的上方和前方的第二偏光板，其中，所述第一偏振片的偏振方向为第一方向，所述第二偏振片的偏振方向为第二方向，所述第一方向和所述第二方向方向彼此正交。版权所有（C）2010，JPO＆INPIT

24. 发明专利

JP2010166292A Method for displaying and capturing image, device for displaying and capturing image, and remote interactive device 有权
标题翻译：用于显示和捕获图像的方法，用于显示和捕获图像的设备以及远程交互设备
公开(公告)号：JP2010166292A
公开(公告)日：2010-07-29
申请号：JP2009006433
申请日：2009-01-15
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： DATE MUNEKAZU , TAKADA HIDEAKI , ANDO YASUKO , NOTO HAJIME
IPC分类号： H04N7/15 , H04N5/225
摘要： PROBLEM TO BE SOLVED: To reduce the dead space in front of a display while maintaining the image quality of a displayed and captured image. SOLUTION: The device for displaying and capturing an image includes a display which displays a video image, a half mirror arranged between the display screen of the display and a user, and an image capturing device which captures the image of the user reflected on the half mirror, wherein the angle formed by the display screen of the display and the half mirror is less than 45 degrees, and the device for displaying and capturing an image is further provided with at least a display image blocking means for preventing the display screen of the display from being photoed by the image capturing device, or a reflection prevention means for preventing the surrounding scenery from being reflected on the half mirror and seen by the user. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了在保持显示和捕获的图像的图像质量的同时减少显示器前面的死区。解决方案：用于显示和捕获图像的设备包括显示视频图像的显示器，布置在显示器的显示屏幕和用户之间的半反射镜和捕获用户反映的图像的图像捕获设备在半反射镜上，其中由显示器的显示屏和半反射镜形成的角度小于45度，并且用于显示和捕获图像的装置还至少设置有用于防止显示的显示图像阻挡装置显示器的屏幕被图像拍摄装置照相，或反射防止装置，用于防止周围的风景在半透明反射镜上被用户看到。版权所有（C）2010，JPO＆INPIT

25. 发明专利

JP2009037011A Display photographing device 审中-公开
标题翻译：显示摄影装置
公开(公告)号：JP2009037011A
公开(公告)日：2009-02-19
申请号：JP2007201453
申请日：2007-08-02
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： DATE MUNEKAZU , TAKADA HIDEAKI
IPC分类号： G02B5/30 , G02F1/13 , G03B21/62 , H04N7/14
摘要： PROBLEM TO BE SOLVED: To improve the image quality of an image photographed by a photographing device in a display photographing device where a polarizing-object scattering plate is used as a projection screen. SOLUTION: The display photographing device comprises: a screen 12 having a polarizing scattering function; a projection device 11 for projecting an image on the screen; a photographing device 14 that is installed on the opposite side to a subject 13 of the screen and photographs the subject over the screen; and a light source 1 for irradiating the subject. The polarization direction of the light used for photographing in the photographing device matches with the polarization direction of the light radiated from the light source. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提高使用偏振物体散射板作为投影屏幕的显示拍摄装置中的拍摄装置拍摄的图像的图像质量。解决方案：显示拍摄装置包括：具有偏振散射功能的屏幕12; 用于将图像投影在屏幕上的投影装置11; 拍摄装置14，其安装在与屏幕的被摄体13相反的一侧，并在屏幕上拍摄对象; 以及用于照射被检体的光源1。用于拍摄装置中的拍摄的光的偏振方向与从光源照射的光的偏振方向相匹配。版权所有（C）2009，JPO＆INPIT

26. 发明专利

JP2006301094A Three-dimensional display method and three-dimensional display device 有权
标题翻译：三维显示方法和三维显示设备
公开(公告)号：JP2006301094A
公开(公告)日：2006-11-02
申请号：JP2005119754
申请日：2005-04-18
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SUYAMA SHIRO , DATE MUNEKAZU , TAKADA HIDEAKI
IPC分类号： G02B27/22 , G03B35/18
摘要： PROBLEM TO BE SOLVED: To provide a three-dimensional display method and a three-dimensional display device by which an observer can observe a three-dimensional stereoscopic picture having no joint even when the observer moves in right-and-left/up-and-down directions with simple configuration, and a derivative phenomenon resulting from adding a side wall image can be prevented.
SOLUTION: In the three-dimensional display method for displaying the three-dimensional stereoscopic picture by displaying a plurality of two-dimensional pictures (for example, two-dimensional pictures obtained by sampling a display target object in a depth direction) at different depth positions as seen from the observer, respectively, the side wall image to connect at least part of the two two-dimensional pictures displayed at two adjacent depth positions in the up-and-down/right-and-left directions is displayed between the two adjacent depth positions. The side wall image is formed obliquely as seen from the observer. Furthermore, the light beam direction of the side wall image is restricted and luminance of the side wall image is decreased.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供三维显示方法和三维显示装置，即使观察者左右移动，观察者也可以观察不具有关节的三维立体图像，上下方向的结构简单，并且可以防止由于添加侧壁图像而产生的衍生现象。解决方案：在通过显示多个二维图像（例如，通过在深度方向上对显示目标对象进行采样而获得的二维图像）来显示三维立体图像的三维显示方法中，分别从观察者看到不同的深度位置，分别在侧壁图像中连接在上下左/右方向上的两个相邻深度位置处显示的两个二维图像的至少一部分，两个相邻的深度位置。从观察者看，侧壁图像倾斜地形成。此外，侧壁图像的光束方向受到限制，侧壁图像的亮度降低。版权所有（C）2007，JPO＆INPIT

27. 发明专利

JP2006301088A Three-dimensional display method and three-dimensional display device 有权
标题翻译：三维显示方法和三维显示设备
公开(公告)号：JP2006301088A
公开(公告)日：2006-11-02
申请号：JP2005119713
申请日：2005-04-18
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SUYAMA SHIRO , TAKADA HIDEAKI , DATE MUNEKAZU
IPC分类号： G03B35/26 , G02B27/22 , G02F1/13 , H04N13/04
摘要： PROBLEM TO BE SOLVED: To perform three-dimensional display in many cases by making an addition system and a subtraction system switchable thereby reducing restricting factors for performing three-dimensional display. SOLUTION: In a DFD system three-dimensional display method, two methods as follows are switched, that is, a method for displaying a three-dimensional picture by adding the luminance of a two-dimensional picture displayed on a back surface to the luminance of a two-dimensional picture displayed on a front surface, assuming that two adjacent display surfaces are set as the front surface and the back surface respectively, and respectively and independently changing the luminance of the two-dimensional picture displayed on each display surface for each display surface so that the luminance observed by an observer may be equal to the luminance of an original display target object according to the added luminance of the two-dimensional picture; and a method for displaying a three-dimensional picture by subtracting the luminance of the two-dimensional picture displayed on the back surface from the luminance of the two-dimensional picture displayed on the front surface, and respectively and independently changing the luminance of the two-dimensional picture displayed on each display surface for each display surface so that the luminance observed by the observer may be equal to the luminance of the original display target object according to the absolute value of the subtracted luminance of the two-dimensional picture. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过使加法系统和减法系统可切换，在许多情况下执行三维显示，从而减少执行三维显示的限制因素。解决方案：在DFD系统三维显示方法中，切换以下两种方法，即，通过将显示在背面上的二维图像的亮度相加来显示三维图像的方法假设分别将两个相邻的显示面设置为前表面和后表面，并且分别独立地改变在每个显示表面上显示的二维图像的亮度，在前表面上显示的二维图像的亮度对于每个显示表面，使得观察者观察到的亮度可以与根据二维图像的相加亮度的原始显示目标对象的亮度相等; 以及通过从显示在前表面上的二维图像的亮度减去背面上显示的二维图像的亮度并分别独立地改变两者的亮度来显示三维图像的方法对于每个显示表面显示在每个显示表面上的三维图像，使得观察者观察到的亮度可以根据二维图像的相减亮度的绝对值等于原始显示目标对象的亮度。版权所有（C）2007，JPO＆INPIT

28. 发明专利

JP2006285112A Three-dimensional display method and three-dimensional display device 审中-公开
标题翻译：三维显示方法和三维显示设备
公开(公告)号：JP2006285112A
公开(公告)日：2006-10-19
申请号：JP2005108107
申请日：2005-04-05
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SUYAMA SHIRO , DATE MUNEKAZU , TAKADA HIDEAKI
IPC分类号： G02B27/26 , G02F1/13 , G02F1/133 , G02F1/1347 , G09G3/20 , G09G3/36 , H04N13/04
摘要： PROBLEM TO BE SOLVED: To easily three-dimensionally display a display target object whose luminance is low by performing the subtraction of the luminance on two front and back surfaces in a three-dimensional display device of a DFD display system. SOLUTION: In the three-dimensional display method of the DFD display system, when two adjacent display surfaces are respectively set as a front surface and a back surface, the luminance or the transmittance of a two-dimensional picture displayed on the back surface is subtracted from the luminance or the transmittance of a two-dimensional picture displayed on the front surface, and the luminance or the transmittance of the two-dimensional picture displayed on each display surface is changed for every display surface independently according to the absolute value of the difference of the luminance or the transmittance of the two-dimensional picture so that the luminance observed by an observer may be equal to the luminance of the original display target object. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过在DFD显示系统的三维显示装置中通过在两个前后表面上的亮度的相减来容易地三维地显示亮度低的显示目标对象。解决方案：在DFD显示系统的三维显示方法中，当两个相邻的显示表面分别设置为前表面和后表面时，显示在背面的二维图像的亮度或透射率从显示在前表面上的二维图像的亮度或透射率减去表面，并且根据绝对值独立地改变每个显示表面上显示的二维图像的亮度或透射率的二维图像的亮度或透射率的差异，使得观察者观察到的亮度可以等于原始显示目标对象的亮度。版权所有（C）2007，JPO＆INPIT

29. 发明专利

JP2005128167A 3-dimensional display device 审中-公开
标题翻译：三维显示设备
公开(公告)号：JP2005128167A
公开(公告)日：2005-05-19
申请号：JP2003362215
申请日：2003-10-22
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： DATE MUNEKAZU , SUYAMA SHIRO , TAKADA HIDEAKI
IPC分类号： G02F1/13 , G02F1/1343 , H04N13/04
摘要： PROBLEM TO BE SOLVED: To provide a 3-dimensional display device provided with a plurality of display devices disposed in depth positions different from each other when viewed by an observer, wherein generation of moire is prevented without reducing a display resolution or frontal luminance. SOLUTION: In the 3-dimensional display device which is provided with the plurality of display devices disposed in the depth positions different from each other when viewed by the observer and wherein the display devices other than the display device disposed in the deepest position when viewed by the observer are transmission type display devices, pixel arrangement patterns of the respective display devices are made different from each other, or pixel periods of the respective display devices are made different from each other. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种三维显示装置，其设置有由观察者观察时彼此不同的深度位置设置的多个显示装置，其中防止产生莫尔条纹而不降低显示分辨率或正面亮度。解决方案：在由观察者观察时设置有设置在彼此不同的深度位置的多个显示装置的三维显示装置中，并且其中除了设置在最深位置的显示装置之外的显示装置当观察者观察时是透射型显示装置，使各显示装置的像素排列图形彼此不同，或者使各显示装置的像素周期彼此不同。版权所有（C）2005，JPO＆NCIPI

30. 发明专利

JP2004163528A Three-dimensional display device 有权
公开(公告)号：JP2004163528A
公开(公告)日：2004-06-10
申请号：JP2002326918
申请日：2002-11-11
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SUYAMA SHIRO , TAKADA HIDEAKI , DATE MUNEKAZU
IPC分类号： G03B35/18 , G02B27/22 , G03B21/00 , G03B35/20 , G03H1/02 , G03H1/04
摘要： PROBLEM TO BE SOLVED: To provide a three-dimensional display device which uses a projector and a holographic screen, and is simple in configuration and compact in structure.
SOLUTION: The three-dimensional display device is equipped with the holographic screen, a reflection mirror arranged at the rear of the holographic screen, 1st and 2nd projectors arranged in front of the holographic screen and a means for changing the luminance of two-dimensional images projected from the 1st and the 2nd projectors independently in each of the 1st and 2nd projectors. The holographic screen transmits light projected from the 1st projector, scatters the light projected from the 1st projector and reflected by the reflection mirror to an observer side and scatters the light projected from the 2nd projector to the reflection mirror side, and then transmits the scattered light of the light projected from the 2nd projector and reflected by the reflection mirror.
COPYRIGHT: (C)2004,JPO

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