IPC Subgroup
H01Q 9/14 Length of element or elements adjustable
Introduced: September 1968
Last revised: January 2006
Full Title
Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements > Resonant antennas > Details > Length of element or elements adjustable
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS