EP 1037183 A2 20000920 - A gas sensing alarm device
Title (en)
A gas sensing alarm device
Title (de)
Gasnachweisalarmvorrichtung
Title (fr)
Dispositif d'alarme pour la détection de gaz
Publication
Application
Priority
- IE 990186 A 19990305
- IE 990368 A 19990506
Abstract (en)
An alarm device (1) has a circuit (10) with a microcontroller (11) which activates a green LED (4) to indicate normal operation, a yellow LED (6) to indicate if there is a fault, and a red LED (5) to indicate an alert arising from carbon monoxide concentration exceeding a volt. If the user presses a test/hush button (3) the microcontroller indicates the peak concentration since a memory was last reset. Continuing to press the button causes the memory to be reset. This provides peace of mind to the user. <IMAGE>
IPC 1-7
IPC 8 full level
G08B 21/00 (2006.01); G08B 21/12 (2006.01); G08B 21/14 (2006.01)
CPC (source: EP)
G08B 21/12 (2013.01); G08B 21/14 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1037183 A2 20000920; EP 1037183 A3 20030409; EP 1037183 B1 20050413; AT E293270 T1 20050415; DE 60019362 D1 20050519; IE 20000165 A1 20001115; IE S20000164 A2 20001101
DOCDB simple family (application)
EP 00650013 A 20000302; AT 00650013 T 20000302; DE 60019362 T 20000302; IE 20000165 A 20000302; IE S20000164 A 20000302