| 摘要 |
<p>The top-security device comprises a grid (1) with numerous holes or slots (2, 3), the entrances of which are sealed by flaps or shutters (4) provided for composing a code before insertion of the key or card (6) into the correct hole or slot (2). The hole or slot (2) consists of means (10, 11) sensitive to the introduction of the correct key or card (6), which when placed in the correct position, trigger the opening/closing or the locking/unlocking of the protected part, as for example a door (16). The other holes or slots (3) may be only decoys, with means for detecting the insertion of an object which are connected to an alarm (21) and/or deactivating means. Application: the building sector, safe boxes, vehicles, electric and electronic materials and the like.</p> |
