Optical smoke detector

An optical smoke detector comprises an optical module (1) composed of a light source (3), a measurement chamber (6) with a scattering area, and a light receiver (4) for light scattered in it. An evaluation circuit is connected to the receiver and the optical module has at least one element exposed t...

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Bibliographic Details
Main Authors WIESER, DIETER, FORSTER, MARTIN, SCHERRER, HEINZ, RYSER, PETER, LENGGENHAGER, RENE
Format Patent
LanguageEnglish
French
German
Published 02.01.2003
Edition6
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:An optical smoke detector comprises an optical module (1) composed of a light source (3), a measurement chamber (6) with a scattering area, and a light receiver (4) for light scattered in it. An evaluation circuit is connected to the receiver and the optical module has at least one element exposed to the light, whose characteristics can change.
Bibliography:Application Number: EP19980100932