the primary active element being centre-fed and substantially straight, e.g. Yagi antenna

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 two or more substantially straight conductive elements > the primary active element being centre-fed and substantially straight, e.g. Yagi antenna

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ANTENNAS, i.e. RADIO AERIALS