IPC Subgroup
G01S 17/87 Combinations of systems using electromagnetic waves other than radio waves
Introduced: January 1980
Last revised: January 2020
Full Title
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems > Combinations of systems using electromagnetic waves other than radio waves
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
1 direct subcode
Child Classifications
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- G01S 17/875 for determining attitude