| 摘要 |
<p>The invention concerns a high security burglar-proof device for motor vehicles, consisting of two separate elements A and B connected by wire means and radio means using a predetermined frequency. The first element A consists of means to be placed on one point of the vehicle to prevent the wheels from rotating at all. Said means is locked on a removable receiving block (2) provided with two housings (4, 5). The housing (4) is provided at its limit switch with an electrical contact (6) connected to an electronic card (9) powered by storage cell or battery (8) provided with a transmitter of predetermined frequency. The second element B consists of an electronic card (9) equipped with a receiver of the frequency transmitted by the card of element A and means for preventing the vehicle from starting, said means being active when the electronic card (7) of element A transmits an activating frequency to the electronic card (9) of element B. The invention is useful for protecting vehicles such as motorcycles against theft and in particular persons using such vehicles.</p> |
