Fire alarm system
US5654690A · kind A · utility
26Cited by
4References
27Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 13, 1994 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | Dec 13, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/04
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Disclosed is an improved fire alarm system for an information providing system having a plurality of terminal devices for providing information to a plurality of operators, respectively. The fire alarm system is provided with a fire detecting sensors. If a fire is detected, a predetermined signal is transmitted to a controller. The controller controls each of the plurality of terminal devices to indicate an alarm information to the operator when the predetermined signal is received.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.