发明名称 Image projector
摘要 An image projection apparatus of the present invention provided with a case 21 a projection lens 38 for projecting an image from a projection opening 2 h of the case; an opening/closing plate 3 for opening or closing the projection opening 2 h for the protection of the projection lens 38 ; an adjuster mechanism 50 having a projecting member 20 projecting from a bottom surface of the case 2 to adjust an elevation angle and adjusting the projection amount of the projecting member 20 to adjust the elevation angle of the projection lens 38 ; a control device 30 for controlling the drive of an adjuster mechanism 50 ; an electric motor 51 ; and a linkage mechanism 60 for operating the opening/closing plate 3 for opening or closing the projection opening in accordance with an elevation of the projecting member 20 , wherein the elevation angle of the case 2 is adjusted by moving up and down the projecting member 20 , the opening/closing plate 3 is operated in accordance with the movement of the projecting member 20 to open and close the projection opening 2 h.
申请公布号 US2005117129(A1) 申请公布日期 2005.06.02
申请号 US20040486146 申请日期 2004.02.06
申请人 ISHINO HIROHISA 发明人 ISHINO HIROHISA
分类号 G03B21/00;G03B23/00;H04N5/74;(IPC1-7):G03B21/14 主分类号 G03B21/00
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