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    • 6. 发明申请
    • REAR-SURFACE PROJECTION-TYPE VIDEO DISPLAY APPARATUS
    • 后表面投影型视频显示设备
    • US20110298993A1
    • 2011-12-08
    • US13091501
    • 2011-04-21
    • Koji HIRATAHidehiro IkedaToshihiko MatsuzawaTadashi Sato
    • Koji HIRATAHidehiro IkedaToshihiko MatsuzawaTadashi Sato
    • H04N9/31
    • G03B21/10B29D11/00269G02B5/045G02B13/16G02B13/18G03B21/28G03B21/62
    • A rear-type projection board apparatus (rear-surface projection-type video display apparatus), of new structure, having no necessity of a housing, being superior in portability, cheaply producible, comprises a transmission-type screen 130, being disposed within an interior space, under a condition of exposing both surfaces thereof in the space, and for transmitting a visual light projected onto a rear surface therethrough, so as to display it on a video display surface on a front surface, and a video projection apparatus (projector) 102, being disposed at a predetermined position on a rear surface side of the transmission-type screen, and for projecting the visual light from a rear surface of the transmission-type screen, enlargedly, wherein the transmission-type screen has a Fresnel lens 166 (136) having Fresnel lens surfaces, covering over an entire light receiving surface for receiving the visual light, which is enlargedly projected from the video projection apparatus, whereby guiding the visual light received from the video projection apparatus into a direction perpendicular to the video display surface, while guiding external lights within the interior space downwards.
    • 具有不需要外壳的新型结构的后置式投影板装置(后表面投影型视频显示装置)具有便携性优良,成本低廉的特点,包括:传输式屏幕130,其设置在 内部空间,在使其在空间中的两个表面露出的状态下,以及用于透射投影到后表面上的视觉光以便将其显示在前表面上的视频显示表面上,以及视频投影设备(投影仪 )102设置在透射型屏幕的背面侧的预定位置,并且用于从透射型屏幕的后表面放大地投射视觉光,其中透射型屏幕具有菲涅尔透镜 166(136)具有菲涅耳透镜表面,覆盖整个光接收表面以接收从视频投影设备放大的视觉光,由此引导 将从视频投影设备接收的视觉光线垂直于视频显示表面的方向,同时向内引导内部空间内的外部光。
    • 8. 发明授权
    • Projection-type video display apparatus having a transmission-type screen
    • 具有透射型屏幕的投射型视频显示装置
    • US09217915B2
    • 2015-12-22
    • US13818052
    • 2010-09-30
    • Koji HirataToshihiko MatsuzawaTadashi Sato
    • Koji HirataToshihiko MatsuzawaTadashi Sato
    • G03B21/28G03B21/30H04N1/00H04N1/10G02B27/28G03B21/10G03B21/62H04N9/31G02B3/08
    • G03B21/28G02B3/08G02B27/283G03B21/10G03B21/30G03B21/62H04N1/00559H04N1/00562H04N1/1065H04N9/3173
    • A projection-type video display apparatus comprising: a transmission-type screen; a video projection unit configured to project an image displayed on a video display surface as an image light; a projection optic system configured to enlarge and project the image light projected from said video projection unit on a rear surface of said transmission-type screen; and a plane mirror, provided in a part of said projection optic system, configured to reflect the image light from said video projection unit, thereby to project it on said transmission-type screen, wherein said transmission-type screen, said video projection unit and said projection optic system are mounted on a base; said video projection unit builds up an oblique projection optic system; and said transmission-type screen and said plane mirror are disposed on said base, being perpendicularly fixed, independently, in parallel with each other, and on the rear surface of said transmission-type screen is attached a foldable back cover, detachably, so as to cover a rear surface of said plane mirror.
    • 一种投影型视频显示装置,包括:传输型屏幕; 视频投影单元,被配置为将显示在视频显示面上的图像投影为图像光; 投影光学系统,被配置为在所述透射型屏幕的后表面上放大投影从所述视频投影单元投射的图像光; 以及设置在所述投影光学系统的一部分中的平面镜,被配置为反射来自所述视频投影单元的图像光,从而将其投影在所述透射型屏幕上,其中所述透射型屏幕,所述视频投影单元和 所述投影光学系统安装在基座上; 所述视频投影单元建立倾斜投影光学系统; 并且所述透射型屏幕和所述平面镜设置在所述基座上,彼此独立地垂直固定,并且在所述透射型屏幕的后表面上安装有可折叠的后盖,以可拆卸的方式安装 以覆盖所述平面镜的后表面。
    • 9. 发明申请
    • PROJECTION-TYPE VIDEO DISPLAY APPARATUS
    • 投影型视频显示设备
    • US20140009694A1
    • 2014-01-09
    • US13818052
    • 2010-09-30
    • Koji HirataToshihiko MatsuzawaTadashi Sato
    • Koji HirataToshihiko MatsuzawaTadashi Sato
    • H04N9/31
    • G03B21/28G02B3/08G02B27/283G03B21/10G03B21/30G03B21/62H04N1/00559H04N1/00562H04N1/1065H04N9/3173
    • Projection-type video display apparatus, for base of transportation/conveyance if a display screen thereof is large-sized, and reducing energy necessary for the transportation and/or carbon dioxide discharging, thereby being friendly to the global environment.In the projection-type video display apparatus, for enlargedly projecting an image light, which is projected from a video projection unit 35, for projecting an image displayed on a video display screen as the image light, on a rear surface of a transmission-type screen, the video projection unit builds up an oblique projection optic system, and further a transmission-type screen 1 and a plane mirror 29 are disposed on a cabinet portion “C” including a side plate 17, being perpendicularly fixed, independently, in parallel with each other, and on the rear surface of the transmission-type screen are attached foldable back covers 30 and 31, detachably, so as to cover a rear surface of the plane mirror.
    • 投影型视频显示装置,如果其显示屏大尺寸,则运输/运输的基础,并且减少运输和/或二氧化碳排出所需的能量,从而对于全球环境友好。 在投影型视频显示装置中,为了将从视频投影单元35投射的图像光放大投影,用于将在视频显示屏幕上显示的图像投影为图像光,在发送型视频显示装置的后表面 屏幕,视频投影单元构成倾斜投影光学系统,并且另外将传输型屏幕1和平面镜29设置在包括侧板17的机壳部分“C”上,该侧板17平行地独立地垂直固定 并且在透射型屏幕的后表面上可拆卸地安装可折叠的后盖30和31,以覆盖平面镜的后表面。
    • 10. 发明授权
    • Projection type image display
    • 投影型图像显示
    • US08465157B2
    • 2013-06-18
    • US12781001
    • 2010-05-17
    • Koshu IchikawaHiroyuki InoueToshihiko Matsuzawa
    • Koshu IchikawaHiroyuki InoueToshihiko Matsuzawa
    • G03B21/14
    • G03B21/28
    • A projection type image display apparatus for projecting optical fluxes from a light source onto a projection plane so as to display an image, provided with a reflection mirror arranged in such a manner that the reflection mirror interrupts an optical path of the projection light in the direct projection mode when the reflection mode is set and reflects the projection light to the backside of the projection type image display apparatus, and when the reflection mode is set, the projection type image display apparatus is tilted to the backside. The projection type image display apparatus is further provided with an adjustment leg arranged in a front portion of a bottom plane of the projection type image display apparatus and extended by a predetermined leg length, and thereby the projection type image display apparatus is tilted to the backside.
    • 一种投影型图像显示装置,用于将来自光源的光通量投影到投影平面上以便显示图像,该反射镜设置有反射镜,以使得反射镜以直接的方式中断投影光的光路 当反射模式被设置并且将投影光反射到投影型图像显示装置的背面时,并且当设置反射模式时,投影型图像显示装置向背侧倾斜。 投影型图像显示装置还设置有布置在投影型图像显示装置的底面的前部并且以预定的腿长延伸的调节腿,由此投影型图像显示装置向后倾斜 。