for anti-collision purposes

Introduced: January 1980

Last revised: January 2020

Full Title

Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified > Radar or analogous systems, specially adapted for specific applications > for anti-collision purposes

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

3 direct subcodes

Child Classifications

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G01S 13/931 of land vehicles
G01S 13/933 of aircraft or spacecraft
G01S 13/937 of marine craft