Patent ID: 7145435

Claim:
A security system adapted to use a signal transmitted from a wireless communication terminal of a certified user for the purpose of dialing as a wireless key, the signal including specific information of the wireless communication terminal and an encryption code corresponding to the telephone number of the other party, comprising: a receiving unit for directly receiving the signal transmitted from the wireless communication terminal; a storage unit for previously storing both the specific information and an encryption code of the wireless communication terminal; a control unit for determining whether the specific information and the encryption code included in the signal received by the receiving unit are identical to the specific information and the encryption code of the wireless communication terminal stored in the storage unit; a security setup unit for setting up or releasing a security status according to the determination results of the control unit; and a setup key for setting up whether the specific information and the encryption code of the wireless communication terminal are stored in the storage unit and whether the control unit is operated, whereby only when the specific information and the encryption code included in the signal from the wireless communication terminal received by the receiver unit are identical to the specific information and the encryption code of the wireless communication terminal previously stored in the storage unit, the security system is operated depending on the demand of the user.