| 摘要 |
A system for monitoring the relative movement between a first body and a second body, such as between a tool and a workpiece, the system comprising a plurality of tags, such as RFID tags, attached to the first body, a reader attached to the second body and arranged to produce a response that varies depending on the distance between the reader and the tag and a processor arranged to derive information regarding the relative movement between the first body and the second body from the response. |
