| 摘要 |
<p>A method of annotating an item (10) with electronic data is described which comprises securing a memory tag (14) to the item (10), the memory tag (14) having a memory (22) and a transponder (L2,28) to enable wireless communication with the memory tag (14), and having an external dimension D. The memory tag (14) is adapted for wireless communication only with a transceiver (16) located within a distance of 10D of the memory tag (14). Also described is an apparatus for annotating an item (10) with electronic data wherein the apparatus comprises a memory tag (14) which in use is secured to the item, and a transceiver (16) for wireless communication with the memory tag (14). The memory tag (14) includes a memory (22) and a transponder (L2,28), and has an external dimension D. The memory tag (14) and transceiver (16) are adapted for wireless communication therebetween only when the transceiver (16) is located within a distance of 10D of the memory tag (14).</p> |
