IPC Subgroup
H01Q 11/02 Non-resonant antennas, e.g. travelling-wave antenna
Introduced: September 1968
Last revised: January 2006
Full Title
Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements > Non-resonant antennas, e.g. travelling-wave antenna
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS
Related Keywords
TRAVELLING-WAVE antennas
4 direct subcodes
Child Classifications
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- H01Q 11/04 with parts bent, folded, shaped, screened or electrically loaded to obtain desired phase relation of radiation from selected sections of the antenna
- H01Q 11/06 Rhombic antennas; V-antennas
- H01Q 11/08 Helical antennas
- H01Q 11/1 Log-periodic antennas