IPC Subgroup
H04W 4/9 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
Introduced: January 2018
Full Title
Services specially adapted for wireless communication networks; Facilities therefor > Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- WIRELESS COMMUNICATION NETWORKS