IPC Subgroup
H04B 14/02 characterised by the use of pulse modulation
Introduced: January 1985
Last revised: January 2006
Full Title
Transmission systems not characterised by the medium used for transmission > characterised by the use of pulse modulation
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION
2 direct subcodes
Child Classifications
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- H04B 14/04 using pulse code modulation
- H04B 14/06 using differential modulation, e.g. delta modulation