| 摘要 |
PURPOSE: A burglarproof device for a bicycle and a controlling method thereof are provided to call a user out by generating a powerful warning alarm when a lock transmitter is cut or dismantled in the state the lock transmitter is connected to a wheel or body of a bicycle. CONSTITUTION: A burglarproof device for a bicycle comprises a lock transmitter(10) and a lock receiver. The lock transmitter generates a powerful warning alarm when cut or dismantlement is tried in the state a minute current flows in a lock for locking a bicycle. The lock receiver calls a user out when the lock transmitter generates the warning alarm. |
