ClassID:

223960

H04B10/6973 - CPC Classification

Classification description:

Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Receivers; Non-coherent receivers, e.g. using direct detection; Electrical arrangements in the receiver; Arrangements for reducing noise and distortion using noise matching networks

Recent Application in this class: