| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation device which is capable of detecting an attitude of an operation terminal without mounting an expensive sensor like a gyro sensor on the operation terminal.SOLUTION: An operation terminal includes a movable part 11 constituted of resin as a columnar dial and has a metallic antenna 12 in a part of an outer periphery of the movable part 11. When the movable part 11 is moved as shown by an outline arrow in (A), a position variation &Dgr;X from the start point to the end point of movement of the antenna 12 is acquired as shown in (B). When the position variation &Dgr;X is acquired, an attitude of the operation terminal can be computed on the basis of information of the position variation &Dgr;X and information of a turning position corresponding to the start point and the end point of the movable part 11 in the operation terminal. When required amounts of variation in position of the antenna 12 and information of the turning position of the movable part 11 corresponding to the variation are acquired, an inclination of the operation terminal is computed on the basis of them. |
