| 摘要 |
Position detection system for a body which changes position, comprising a series of markings made at a mutual distance from one another and a scanner unit, which is movable with respect to said series of markings, for scanning said markings, the series of markings or the scanner unit being connected to the body, the markings (7) being made in various groups of a predetermined number of adjacent markings in the series, the markings per group always being made in a sequence such that said sequence belongs to only one group. |
