EP 0371761 A2 19900606 - Warning light system.
Title (en)
Warning light system.
Title (de)
Warnlichtanlage.
Title (fr)
Système de lampe témoin.
Publication
Application
Priority
US 27665488 A 19881128
Abstract (en)
The present invention provides alarm apparatus (14) comprising at least one light source (16) (preferably an electric light bulb), a detection circuit (preferably a microphone) (32), and a power source (38) therefor, the light source being adapted to attract attention and to be activated when the detection circuit detects a predefined signal, wherein the detection circuit is maintained in constant ready condition and the predefined signal is emitted by a hazard warning device, such as a smoke detector (12), the apparatus serving to reduce response time before activation of the warning light by being on constant standby and being useable with existing hazard warning devices.
IPC 1-7
IPC 8 full level
G08B 5/38 (2006.01); G08B 17/00 (2006.01)
CPC (source: EP)
G08B 7/064 (2013.01); G08B 17/10 (2013.01)
Designated contracting state (EPC)
FR GB
DOCDB simple family (publication)
EP 0371761 A2 19900606; EP 0371761 A3 19920102; CA 2002651 A1 19900528; CA 2002651 C 19950502
DOCDB simple family (application)
EP 89312359 A 19891128; CA 2002651 A 19891109