| 摘要 |
PURPOSE: A chair height automatic control apparatus using a sensor is provided, which enables spectators who are small to see a movie naturally. CONSTITUTION: A chair height automatic control apparatus is constituted as follows. A distance measuring sensor is included in the chair height automatic control apparatus. Using the distance measuring sensor, the sitting height of the spectators is measured. Since the height of the chair is controlled, the sitting height of spectators is adjusted to a specified level and viewing sight of the spectators is secured.
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