Patent attributes
A car-used lock with alerting function comprises 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, leaning keys, a dialing control wire and a power source; a car-used handset connected to the receiving control device and having a battery. The receiver serves to transfer the high frequency signals emitted from the transmitter into digital signals. The decoder serves to transfer the digital signals into codes. The microprocessor serves to compare the codes with the built-in data. The lock has the affect of immediate alert and communication with legal frequency bands and power. The power source is from the car used handset. Furthermore, two sets of quick dialing numbers are used so that the line busy of the car owner can be avoided.
