comprising plurality of wave-guiding channels of different length

Full Title

Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices > Refracting or diffracting devices, e.g. lens, prism > comprising plurality of wave-guiding channels of different length

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ANTENNAS, i.e. RADIO AERIALS