| 摘要 |
<p>The invention relates to a data transmission network comprising a memory (1), with an identification file (2) and a data file (3), transceiver devices (TCK), connected to the memory and a management computer (6), connected to the memory (1), the arrangement being such that the devices (TCK) can perform read/write operations on a file sheet (3), after having provided a code and presented a chip card by means of a given identification chaining code, whilst the manager (G) does not have access to said chaining code.</p> |
