| 摘要 |
PROBLEM TO BE SOLVED: To simplify the setting of plural projectors for simultaneously projecting pictures on one screen. SOLUTION: Two projecting means 20R and 20L are assembled as one projector. Then, the projector is equipped with a driving means constituted of motor- driven stages 25 and 29 moving the lens barrels 21 and 22 of the projecting means 20R and 20L in a right-and-left direction and motor-driven stages 27 and 31 moving the lens barrels 21 and 22 in an up-and-down direction.
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