| 摘要 |
<p>The invention relates to a device for transmitting information using acoustic means. The inventive device comprises a standard format chip card (10) containing at least one microcircuit (M) in order to generate direct excitation signals for a sound transducer (T) and a complementary autonomous unit (11). The invention is characterised in that said unit (11) comprises at least one connector for the chip card (10), an electric cell (P) which supplies electric power to the chip card microcircuit and the sound transducer (T) in order to emit the aforementioned excitation signals transmitted by said chip card (10).</p> |
