DIFF Subgroup
H03C 7/022 Full Title
Modulating electromagnetic waves (devices or arrangements for the modulation of light G02F1/00) > in transmission lines, waveguides, cavity resonators or radiation fields of antennas
H03C 7/022 Modulating electromagnetic waves (devices or arrangements for the modulation of light G02F1/00) > in transmission lines, waveguides, cavity resonators or radiation fields of antennas