| 摘要 |
PROBLEM TO BE SOLVED: To provide a system for easily and surely discovering a stolen vehicle and safely stopping the stolen vehicle. SOLUTION: A navigation system for detecting positional information for a vehicle using an artificial satellite, a telephone, and a receiving/transmitting device in which contract information is registered including the identification number, address, name, telephone number, i-mode portable number, FAX number and Internet mail address of a contractor, and the register number, type, color and frame number of a vehicle, for receiving the contract information and transmitting the status of the vehicle are mounted in the vehicle. |
