Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed

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 > Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ANTENNAS, i.e. RADIO AERIALS