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IPC Subgroup
H01Q 19/26

the primary active element being end-fed and elongated

Introduced: September 1968

Last revised: January 2006

Full Title

Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic > using a secondary device in the form of a single substantially straight conductive element > the primary active element being end-fed and elongated

Classification Context

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