IPC Subgroup
H04L 21/02 at the transmitting end
Introduced: September 1968
Last revised: January 2006
Full Title
Apparatus or local circuits for mosaic printer telegraph systems > at the transmitting end
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION