Patent ID: 7391302

Claim:
A car-used lock with alerting function comprising: a lock installed with a sensor, a buzzer and a transmitter; a receiving control device for receiving signals from the transmitter; the receiving control device being installed with a receiver, a decoder, a microprocessor, an indicator, a leaning key, a dialing control wire and a power source; a car-used handset connected to the receiving control device and having a battery; and wherein when an undesired object is inserted into the lock or the lock is vibrated, the sensor will sense the state so that the buzzer emits alert sounds; if the lock is not opened in a preset time period, the buzzer will buzz continuously and the transmitter emits RF signals to the receiver; codes are decoded by the decoder; the codes are compared by the microprocessor and the stored; the dialing control wire will actuate; and then the car used handset will dial the handset or home used phone of the car owner; the number is dedicated by the car and thus the owner will know that the car has an abnormal state and keep attention to the state; if the signals are error signals, the phone can not be interrupted; and wherein each dialing control wire has seven relays; each relay has two independent wires which are connected to a car used handset; thus, there are wires; the former three relays are as a first set; the later three relays are as a second set, wherein in operation, former three relays actuates sequentially so that the first set can he dialed quickly, after 20 seconds, the fourth relays will actuate to cut off the circuit; the process is repeated twice; the second set can be dialed to avoid line busy.