Patent US 11,198,060

Methods and apparatus provide for causing a device to present a sense of force against depressing of a button in response to receiving an input initiated by the user of a sense-of-force presentation start position in said predetermined movable range, and to store the sense-of-force presentation start position in a memory in response to the input initiated by the user; acquiring a depress amount of said button; receiving the sense-of-force presentation start position from the memory; and instructing the presentation of the sense of force against depressing of said button when said depress amount reaches said sense-of-force presentation start position.