IPC Subgroup
H04M 11/06 Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Introduced: September 1968
Last revised: January 2006
Full Title
Telephonic communication systems specially adapted for combination with other electrical systems > Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TELEPHONIC COMMUNICATION
Related Keywords
simultaneous speech and data transmission using MODEM