CPC Subgroup
H04B 10/90 Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation
Full Title
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication > Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation