IPC Subgroup
G01S 15/5 Systems of measurement based on relative movement of target
Introduced: January 1980
Last revised: January 2006
Full Title
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems > using reflection of acoustic waves > Systems of measurement based on relative movement of target
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
2 direct subcodes
Child Classifications
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- G01S 15/52 Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S 15/58 Velocity or trajectory determination systems; Sense-of-movement determination systems