CPC Subgroup
G01S 15/02 using reflection of acoustic waves (G01S15/66 takes precedence)
Full Title
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems > using reflection of acoustic waves (G01S15/66 takes precedence)
3 direct subcodes
Child Classifications
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- G01S 15/04 Systems determining presence of a target
- G01S 15/06 Systems determining the position data of a target
- G01S 15/50 Systems of measurement, based on relative movement of the target