发明名称 PROJECTION-TYPE VIDEO DISPLAY APPARATUS
摘要 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.
申请公布号 US2014009694(A1) 申请公布日期 2014.01.09
申请号 US201013818052 申请日期 2010.09.30
申请人 HIRATA KOJI;MATSUZAWA TOSHIHIKO;SATO TADASHI;HITACHI CONSUMER ELECTRONICS CO., LTD. 发明人 HIRATA KOJI;MATSUZAWA TOSHIHIKO;SATO TADASHI
分类号 H04N9/31 主分类号 H04N9/31
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