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This device is based on specific buildings in the city and uses the GPS positioning principle to build a network between bases. The bases send continuous signals to collect, record and archive the device's location and user information by date and time. This information enables the police to check the information (location, route, and user information) of the victim and the surrounding people when an incident occurs. Base makes it possible to improve police investigations through the new link with the surrounding people at the time and place of the incident and will minimize time lost in solving the crime.
Seoul, South Korea
Hyo min Lee,
Tack kyun Kim,
Myeong ji Baek,