发明名称 PROJECTION TYPE DISPLAY DEVICE
摘要 PROBLEM TO BE SOLVED: To provide detection of a lens shift position of a projection type display device with a simple configuration at low cost.SOLUTION: There is provided a projection type display device that includes: a light modulation element that modulates light from a light source; a projection optical system that guides the light modulated by the light modulation element; an external housing; a fixed plate that is fixed to the external housing; and a moving plate that holds the projection optical system to the fixed plate movably within a predetermined range, where the external housing has an opening, and the moving plate has a pointer part that can be visually recognized from the opening within the range.SELECTED DRAWING: Figure 1
申请公布号 JP2016045262(A) 申请公布日期 2016.04.04
申请号 JP20140168018 申请日期 2014.08.21
申请人 CANON INC 发明人 HATAKEYAMA JUNICHI
分类号 G03B21/14;G02B7/02;H04N5/74 主分类号 G03B21/14
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