| 摘要 |
The invention relates to a system (Sy) which comprises an object (01) and a sensing unit (SU) for identifying the object (Ol). The object (Ol) comprises a generator (Tl, T2) for generating first and second fields (Fl, F2), a ratio of whose respective strengths has a predetermined value. The sensing unit (SU) is operative to identify the object (Ol) on the basis of the predetermined value. The invention farther relates to an arrangement of sensing units for use in the system of the invention.
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