IPC Subgroup
G01S 15/66 Sonar tracking systems
Introduced: January 1980
Last revised: January 2006
Full Title
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems > Sonar tracking systems
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES