EP 0403245 A3 19910925 - SMOKE ALARM SYSTEMS
Title (en)
SMOKE ALARM SYSTEMS
Publication
Application
Priority
GB 8913552 A 19890613
Abstract (en)
[origin: EP0403245A2] A smoke alarm system utilises a conventional smoke detector (1) for producing audible alarm signals when the presence of smoke is detected. These signals are received by a mainsborne communication means (5) which may then produce further alarm signals or transmit electrical signals over a mainsborne communication system to activate remote alarm units.
IPC 1-7
IPC 8 full level
G08B 1/08 (2006.01); G08B 17/10 (2006.01)
CPC (source: EP)
G08B 1/08 (2013.01); G08B 17/10 (2013.01)
Citation (search report)
- [X] US 4365238 A 19821221 - KOLLIN ADAM
- [Y] US 4520503 A 19850528 - KIRST JOHN A [US], et al
- [Y] US 3696382 A 19721003 - RITTMANN ALBERT D
- [A] EP 0102229 A1 19840307 - MONICELL LTD [GB]
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0403245 A2 19901219; EP 0403245 A3 19910925; EP 0403245 B1 19960103; AT E132643 T1 19960115; DE 69024543 D1 19960215; DE 69024543 T2 19960822; ES 2081348 T3 19960301; GB 8913552 D0 19890802
DOCDB simple family (application)
EP 90306433 A 19900613; AT 90306433 T 19900613; DE 69024543 T 19900613; ES 90306433 T 19900613; GB 8913552 A 19890613