wherein the primary active element is coated with or embedded in a dielectric or magnetic material

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 refracting or diffracting devices, e.g. lens > wherein the primary active element is coated with or embedded in a dielectric or magnetic material

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ANTENNAS, i.e. RADIO AERIALS