| 摘要 |
<p>1. Coding method for th identification of telecommunications apparatus (10, 20), wherein a first code value is stored in memories (15, 25 and 35, 64) provided in at least two transmission apparatus intended to communicate together by radio means, communication between the apparatus being allowed only when the identity of the said first code values has been verified, after their exchange by radio means, by verification means (16 ; 41) which are provided in at least one of the said apparatus (10) for this purpose, characterized in that the said first code values contained in the said memories are periodically replaced by a second code value, after electrical contact (13, 23) has been established between the circuits of the said apparatus.</p> |
