IPC Subgroup
H04B 1/03 Constructional details, e.g. casings, housings
Introduced: July 1974
Last revised: January 2006
Full Title
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 > Constructional details, e.g. casings, housings
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION
2 direct subcodes
Child Classifications
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- H04B 1/034 Portable transmitters
- H04B 1/036 Cooling arrangements