IPC Subgroup
G01S 7/6 for providing a permanent recording
Introduced: September 1968
Last revised: January 2006
Full Title
Details of systems according to groups , , > of systems according to group > Display arrangements > for providing a permanent recording
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