DIFF Subgroup
G01S 17/50 Systems of measurement based on relative movement of target
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems > Systems using the reflection of electromagnetic waves other than radio waves > Systems of measurement based on relative movement of target
CPC:
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems > Systems using the reflection of electromagnetic waves other than radio waves (G01S17/66 takes precedence) > Systems of measurement based on relative movement of target
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- G01S 17/58 Velocity or trajectory determination systems; Sense-of-movement determination systems since 1980 IPC+CPC Available in IPC and CPC