IPC Subgroup
H01Q 1/48 Earthing means; Earth screens; Counterpoises
Introduced: September 1968
Last revised: January 2006
Full Title
Details of, or arrangements associated with, antennas > Earthing means; Earth screens; Counterpoises
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS
Related Keywords
COUNTERPOISES for antennasEARTHING of antennas