| 摘要 |
A vehicle tracking system of the present invention includeds an impact sensor mounted on a vehicle for detecting impact, an air bag which is blown up in accordance with an impact signal from the impact sensor, a navigation device receiving GPS information from satellites and transmitting an accident signal to the satellites when receiving the impact signal from the impact sensor, and a plurality of control centers for receiving an impact signal from the satellites and for sending a tracking command signal to the satellites.
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