DIFF Subgroup
H04B 5/20 characterised by the transmission technique; characterised by the transmission medium
Introduced: January 2024
Full Title
Near-field transmission systems, e.g. inductive or capacitive transmission systems > characterised by the transmission technique; characterised by the transmission medium
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 2024.
Child Classifications
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- H04B 5/28 using the near field of leaky cables, e.g. of leaky coaxial cables since 2024 IPC+CPC Available in IPC and CPC