Transmitters

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission > Transmitters

CPC:

Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission > Transmitters

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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H04B 1/03 Constructional details, e.g. casings, housings since 1974 IPC+CPC Available in IPC and CPC
H04B 1/04 Circuits +6 CPC IPC+CPC Available in IPC and CPC