发明名称 PROJECTED VIDEO ADJUSTING DEVICE, ADJUSTING SYSTEM AND ADJUSTING METHOD
摘要 <P>PROBLEM TO BE SOLVED: To easily and surely adjust the luminance and the chromaticity of a projected video projected from a projector. <P>SOLUTION: The projected video adjusting device is equipped with a dimming filter 11 decreasing the quantity of projected light projected from the projector 2 projecting the video onto a projection surface, a condensing lens 12 condensing the projected light passing through the filter 11, a rod lens 13 uniformizing the luminance of the projected light passing through the lens 12, and a luminance sensor 14 for detecting the luminance of the projected light passing through the rod lens 13. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005165206(A) 申请公布日期 2005.06.23
申请号 JP20030407557 申请日期 2003.12.05
申请人 NEC VIEWTECHNOLOGY LTD 发明人 TAMURA YOICHI
分类号 G02F1/13;G02F1/1335;G03B21/00 主分类号 G02F1/13
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