IPC Subgroup
H04J 1/2 in which at least one carrier is angle-modulated
Introduced: September 1968
Last revised: January 2006
Full Title
Frequency-division multiplex systems > in which at least one carrier is angle-modulated
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- MULTIPLEX COMMUNICATION