IPC Subgroup
H04B 7/26 at least one of which is mobile
Introduced: July 1974
Last revised: January 2006
Full Title
Radio transmission systems, i.e. using radiation field > for communication between two or more posts > at least one of which is mobile
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION