| 摘要 |
Inductive Coupling in Document 5 A document comprises a substrate. The substrate comprises a coupling circuit having conductive tracks printed on the substrate. The coupling circuit comprises a first coupling part (40) for coupling to a memory tag (14) and of a size to receive a memory tag within the first coupling part, a second coupling (41) part for coupling to a reader, the first coupling part being smaller than the second coupling part, and a connecting part (42) to connect the first coupling part and the second coupling part.
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