Patent ID: 11960022
Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A spatial coordinate positioning system comprising:
at least one ground base point station of which position information was already determined and which has a laser distance measurement function and a wireless distance measurement function;
a plurality of assistant point stations which have a wireless distance measurement function; and
an assistant point position calculation server which receives laser distance information between each of the as least one ground base point station and a specific assistant point station of the plurality of assistant point stations, first wireless distance information between each of the at least one ground base point station and each of the plurality of assistant point stations except for the specific assistant point station, and second wireless distance information between the plurality of assistant point stations at a predetermined time, and calculates position information of the plurality of assistant point stations at a predetermined time, on the basis of the laser distance information, the first wireless distance information, the second wireless distance information, and the position information of the at least one ground base point station.