using mechanical movement of antenna or antenna system as a whole

Introduced: September 1968

Last revised: January 2006

Full Title

Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system > using mechanical movement of antenna or antenna system as a whole

Classification Context

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

2 direct subcodes

Child Classifications

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H01Q 3/04 for varying one co-ordinate of the orientation
H01Q 3/08 for varying two co-ordinates of the orientation