| 摘要 |
A system 5 for preventing weapons or similar objects from being brought into a bank 1, for example, incorporates a lock 6, which in given positions delimits a lock chamber 15 together with a fixed wall 14. Associated with the lock is a detector 7, which, when it registers a reading caused by a passer-by carrying objects sensitive to the detector, actuates the lock so that this assumes a state in which the said chamber 15 is locked. <IMAGE> |
