EP 1369836 B1 20051221 - Smoke detector and method for its operation
Title (en)
Smoke detector and method for its operation
Title (de)
Brandmelder sowie Verfahren zum Betrieb eines Brandmelders
Title (fr)
Détecteur d'incendie, et méthode d'opération
Publication
Application
Priority
EP 02010414 A 20020508
Abstract (en)
[origin: EP1369836A1] The device has a measurement chamber, a transmitter and a signal processing unit with a receiver unit (1) for receiving radiation output by the transmitter and scattered by smoke or other aerosols and an alarm evaluation unit (3). The signal processing unit contains a control loop (5) with a regulating unit (4) and the control parameter for the control loop is superimposed on the output signal of the receiver unit. AN Independent claim is also included for the following: (a) a method of operating especially an inventive device.
IPC 1-7
IPC 8 full level
G08B 17/107 (2006.01); G08B 29/24 (2006.01)
CPC (source: EP)
G08B 17/107 (2013.01); G08B 29/24 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1369836 A1 20031210; EP 1369836 B1 20051221; AT E313836 T1 20060115; DE 50205343 D1 20060126; DK 1369836 T3 20060501; ES 2254552 T3 20060616
DOCDB simple family (application)
EP 02010414 A 20020508; AT 02010414 T 20020508; DE 50205343 T 20020508; DK 02010414 T 20020508; ES 02010414 T 20020508