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IPC Subgroup
H01Q 11/14

with parts bent, folded, shaped or screened or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the antenna or to obtain desired polarisation effects

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 > Resonant antennas > with parts bent, folded, shaped or screened or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the antenna or to obtain desired polarisation effects

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
ANTENNAS, i.e. RADIO AERIALS

2 direct subcodes

Child Classifications

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  • H01Q 11/16 in which the selected sections are collinear
  • H01Q 11/18 in which the selected sections are parallelly spaced