IPC Subgroup
H04J 3/04 Distributors combined with modulators or demodulators
Introduced: September 1968
Last revised: January 2006
Full Title
Time-division multiplex systems > Details > Distributors combined with modulators or demodulators
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- MULTIPLEX COMMUNICATION