H01Q 19/09 wherein the primary active element is coated with or embedded in a dielectric or magnetic material (protective material H01Q1/40, varying the electric or magnetic characteristics of refracting or diffracting devices H01Q3/44)
Introduced: January 1980
Title
Titles differ between systems:
IPC: wherein the primary active element is coated with or embedded in a dielectric or magnetic material
CPC: wherein the primary active element is coated with or embedded in a dielectric or magnetic material (protective material H01Q1/40, varying the electric or magnetic characteristics of refracting or diffracting devices H01Q3/44)
Full Title
Full titles differ between systems:
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
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 (protective material H01Q1/40, varying the electric or magnetic characteristics of refracting or diffracting devices H01Q3/44)
No child classifications to compare. This is a leaf node in both IPC and CPC.