发明名称 PROJECTION TYPE VIDEO DISPLAY DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a lens interchangeable projection type video display device that can make a lens shift driving operation uniform irrespective of the type of a lens.SOLUTION: There is provided a projection type video display device that projects to display a video based on an input video signal on a projection screen, the projection type video display device including: lens shift driving means; lens interchanging means; and lens driving rate correction means for correcting the driving rate of the lens shift driving means on the basis of information related to the mass of a lens acquired by lens mass related information acquisition means.SELECTED DRAWING: Figure 1
申请公布号 JP2016045259(A) 申请公布日期 2016.04.04
申请号 JP20140168015 申请日期 2014.08.21
申请人 CANON INC 发明人 KURODA HISAFUMI
分类号 G03B21/14;H04N5/74 主分类号 G03B21/14
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