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1.发明申请公开(公告)号：US20190333720A1
公开(公告)日：2019-10-31
申请号：US16504506
申请日：2019-07-08
Applicant: ALPS ALPINE CO., LTD.
Inventor： I KA , Hiroshi WAKUDA , Takuya ABE
Abstract: A rotary operating device includes an operation part that is rotatable according to an operation by an operator, a rotation angle sensor that detects a rotation angle of the operation part, a torque applier that applies application torque to the operation part along a rotation direction of the operation part, a frictional force applier that applies a frictional force to the operation part, and a processor programmed to change the application torque and the frictional force according to the rotation angle.
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