| 摘要 |
<p>A system for location-based recordal of user activity comprising a portable device (20) for issue to a user, the device (20) having an associated unique identifier, a plurality of detectors (30) configured to detect the device (20) and obtain the unique identifier of the device (20), wherein each detector (30) is configured to log the location of the user at the predetermined location upon detection of the device (20), the system further comprising a number of activity sensors (50, 60, 70, 80) directed to one or more of the locations, each activity sensor (50, 60, 70, 80) being configured to record activity upon detection of the device (20) at the respective location.</p> |
