IPC Main Group
G01C 21/00 Navigation; Navigational instruments not provided for in groups
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
Related Keywords
measuring COURSESmeasuring DRAG(S) in navigationmeasuring DRIFT(S) for navigationNAVIGATIONPLOTTING in navigationdetermining ROUTESmeasuring position or course of VEHICLES
6 direct subcodes
Child Classifications
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- G01C 21/02 by astronomical means
- G01C 21/04 by terrestrial means
- G01C 21/1 by using measurement of speed or acceleration
- G01C 21/2 Instruments for performing navigational calculations
- G01C 21/24 specially adapted for cosmonautical navigation
- G01C 21/26 specially adapted for navigation in a road network