IPC Main Group
G08B 6/00 Tactile signalling systems, e.g. tactile personal calling systems
Introduced: January 1995
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- SIGNALLING
- Subclass:
- SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
Scope Notes
Application references: Indication of time by feeling