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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