To reduce motion sickness of an occupant of a movable body.SOLUTION: A sickness prevention device provided in a movable body to prevent motion sickness of an occupant in the movable body, comprises: a plurality of vibration adjustment parts provided on a surface layer of a seat of the movable body and capable of each switching a first state in which vibration of the movable body can be transmitted to the body of the occupant and a second state in which the vibration of the movable body is blocked or attenuated; and a control device for controlling drive of the plurality of vibration adjustment parts. A size of a face abutting on the occupant on the plurality of vibration adjustment parts is smaller than a two-point discrimination threshold distance of a portion of the body of the occupant in contact with the seat.SELECTED DRAWING: Figure 7
【課題】移動体の乗員の陸酔いを軽減する。【解決手段】移動体に備えられ、移動体の乗員の酔いを防止する酔い防止装置は、移動体の座席の表層に設けられ、それぞれ乗員の身体に移動体の振動を伝達可能な第1の状態と、移動体の振動を遮断又は減衰させる第2の状態と、に切り替え可能な複数の振動調節部と、複数の振動調節部の駆動を制御する制御装置と、を備え、複数の振動調節部の乗員に当接する面の大きさが、座席に対して接触する乗員の身体の部位の二点弁別閾の距離よりも小さい。【選択図】図7
SICKNESS PREVENTION DEVICE
酔い防止装置
2024-04-03
Patent
Electronic Resource
Japanese
European Patent Office | 2020
|European Patent Office | 2019
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