| 摘要 |
<p>According to the invention, a transmitting beacon (4) comprises at least two transmitting current loops (6.1, 6.2, 6.3) which are mutually orthogonal and capable of transmitting electromagnetic waves (5.1, 5.2, 5.3), as well as means (7) for supplying power to said transmitting current loops (6.1, 6.3) in series.</p> |
