| 摘要 |
[Problem] To propose an information-processing device, an information processing method, and an information-processing system that ensure security and make it possible to lift a restriction via a simple procedure. [Solution] An information-processing device provided with the following: an acquisition unit that acquires a feature-quantity vector that directly or indirectly indicates changes over time in the position and/or orientation of the housing of each of a plurality of different devices that are linked in advance; and a control unit that, on the basis of the acquired feature-quantity vector corresponding to each of the plurality of devices, lifts a prescribed restriction that was placed in advance. |
