| 摘要 |
The present invention provides an input device (2) in which a user can efficiently find target information. The input device (2) includes: an operation unit (8) which is operated by the user; a movement sensing unit which senses a physical amount related to a movement of an object in contact with a surface of the operation unit (8), or a physical amount related to a movement of the operation unit (8); a pressing sensing unit which senses that the surface of the operation unit (8) is pressed; an information set storage unit which stores a plurality of information sets constituting a hierarchical structure with at least three layers; a selection unit which selects unit information from among the information sets, depending on the physical amount; and a confirmation unit which, when it is sensed that the operation unit (8) is pressed or that the pressing on the operation unit (8) is released, confirms the selection of the unit information, wherein when selection of unit information in an information set of an n-th layer is confirmed, the selection unit shifts to a state in which unit information is selected from among an information set of an m-th layer between a highest layer and the n-th layer.
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