IPC Subgroup
G08B 29/14 checking the detection circuits
Introduced: January 1990
Last revised: January 2006
Full Title
Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation > Checking intermittently signalling or alarm systems > checking the detection circuits
Classification Context
- Section:
- PHYSICS
- Class:
- SIGNALLING
- Subclass:
- SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS