US 11,794,621 B1
Vehicle seat device and control method for vehicle seat device
Atsushi Takamatsu, Kanagawa (JP); and Mitsuhiro Makita, Kanagawa (JP)
Assigned to Nissan Motor Co., Ltd., Yokohama (JP); and Renault S.A.S., Boulogne-Billancourt (FR)
Appl. No. 18/31,089
Filed by Nissan Motor Co., Ltd., Yokohama (JP); and Renault S.A.S., Boulogne-Billancourt (FR)
PCT Filed Oct. 12, 2020, PCT No. PCT/IB2020/000839
§ 371(c)(1), (2) Date Apr. 10, 2023,
PCT Pub. No. WO2022/079457, PCT Pub. Date Apr. 21, 2022.
Int. Cl. B60N 2/888 (2018.01); B60N 2/879 (2018.01)
CPC B60N 2/888 (2018.02) [B60N 2/879 (2018.02)] 11 Claims
OG exemplary drawing
 
1. A vehicle seat device, comprising:
a headrest configured to support a head of an occupant seated on a vehicle seat;
a rest operation adjustment mechanism provided on the headrest and configured to restrict or allow movement of the head of the occupant seated on the vehicle seat; and
a controller that controls the rest operation adjustment mechanism to allow movement of the head of the occupant in a width direction of a vehicle when a frequency of a vibration in the width direction of the vehicle is equal to or larger than a predetermined value.