Patent ID: 7868489
Filing Date: 2011-01-11
Classification: H02K

Abstract:
1. An acceleration generator to cause a person to sense a pseudo force in a predetermined direction, comprising: a moving member that performs a periodic translational motion along a particular straight line which is parallel to the predetermined direction; a first operating part that generates a first force in said predetermined direction and applies the first force to said moving member in the predetermined direction; and a second operating part that generates a second force in a direction opposing the predetermined direction and applies the second force to said moving member in the opposing direction, wherein a magnitude of said first force varies with a relative position of said moving member with respect to a supporting point of said first operating part, a magnitude of said second force varies with the relative position of said moving member with respect to a supporting point of said second operating part, and when the predetermined direction is a positive direction, and the direction opposite to the predetermined direction is a negative direction, said moving member performs a translational motion in which a slope of a sigmoid curve that expresses the relationship between an acceleration of said moving member and an acceleration sensed by the person, when the acceleration of the moving member is exerted to the person, differs between a point of a maximum value of the acceleration in the positive direction of said moving member and the point of the maximum value of the acceleration in the negative direction of said moving member.