| 摘要 |
<p>The invention concerns a security device for a keyboard, comprising keys and an electronic card (2), forming a keyboard and linked to the cover of an electronic apparatus, and means (11, 10, 6') of the dedicated key type held down in a first state in normal operating conditions of the apparatus for closing down an electric circuit (11) detecting intrusion on the electronic card, the opening of the keyboard being detected by said circuit opening, brought about by the release of the dedicated key.</p> |
