| 摘要 |
- Memory card containing a longitudinal metal bar constituting a built-in permanent magnet - Card, with shape and colours avoiding confusion in direction of presentation. - Swallower-reader totem equipped with an alternating linear electromagnet capable of attracting or repelling the permanent magnet incorporated in the card. This electromagnet thus takes over all the necessary movements of the card between depositing it in a receptacle shaped to facilitate the deposition into and the return from this receptacle. - Swallower-reader totem capable moreover of finally swallowing the card by virtue of a second linear electromagnet following on from the first, and displaying instruction or information messages for the users. <IMAGE>
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