RAUCHMELDER NACH DEM LICHTSTREUUNGSPRINZIP MIT SELBSTUEBERWACHUNG

RAUCHMELDER NACH DEM LICHTSTREUUNGSPRINZIP MIT SELBSTUEBERWACHUNG

1. Self-monitoring diffusion optical smoke detector of the type comprising a light-emitter device (1) and a light-receiver device (2) in a chamber open to smoke, the light-receiver device constantly receiving during surveillance part of the light emitted by the emitter device (1) so as to ensure the...

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Hauptverfasser: DETRICHE, PHILIPPE, LAUWICK, BERNARD, LANORE, JEAN-CLAUDE
Format: Patent
Sprache:ger
Schlagworte:
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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creator DETRICHE, PHILIPPE
LAUWICK, BERNARD
LANORE, JEAN-CLAUDE
description 1. Self-monitoring diffusion optical smoke detector of the type comprising a light-emitter device (1) and a light-receiver device (2) in a chamber open to smoke, the light-receiver device constantly receiving during surveillance part of the light emitted by the emitter device (1) so as to ensure the self-monitoring of the detector, characterised in that the emitter device (1) comprises an emitter with a wide angle of aperture (A), the receiver device (2) comprises a receiver with a wide angle of aperture (B) and the emitter and the receiver are disposed opposite each other, a screen (3) being disposed between them, which does not completely obturate the angles of aperture (A and B), such that, in the state of surveillance, the edge of the screen (3) ensures diffusion towards the receiver (2) of part of the light emitted by the emitter (1).
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Self-monitoring diffusion optical smoke detector of the type comprising a light-emitter device (1) and a light-receiver device (2) in a chamber open to smoke, the light-receiver device constantly receiving during surveillance part of the light emitted by the emitter device (1) so as to ensure the self-monitoring of the detector, characterised in that the emitter device (1) comprises an emitter with a wide angle of aperture (A), the receiver device (2) comprises a receiver with a wide angle of aperture (B) and the emitter and the receiver are disposed opposite each other, a screen (3) being disposed between them, which does not completely obturate the angles of aperture (A and B), such that, in the state of surveillance, the edge of the screen (3) ensures diffusion towards the receiver (2) of part of the light emitted by the emitter (1).</description><subject>ALARM SYSTEMS</subject><subject>ORDER TELEGRAPHS</subject><subject>PHYSICS</subject><subject>SIGNALLING</subject><subject>SIGNALLING OR CALLING SYSTEMS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAMcgx19vB19XFxDVLwc3T2UHBx9VXw8XT2CAkOCXINDfVzDw4I8vSL8gxQ8PUMUQh29XEKDgl1dXINCgeqBkrzMLCmJeYUp_JCaW4GBTfXEGcP3dSC_PjU4oLE5NS81JJ4xxBXQ0NzA7OQEENjIpQAANEWK6k</recordid><startdate>19850215</startdate><enddate>19850215</enddate><creator>DETRICHE, PHILIPPE</creator><creator>LAUWICK, BERNARD</creator><creator>LANORE, JEAN-CLAUDE</creator><scope>EVB</scope></search><sort><creationdate>19850215</creationdate><title>RAUCHMELDER NACH DEM LICHTSTREUUNGSPRINZIP MIT SELBSTUEBERWACHUNG</title><author>DETRICHE, PHILIPPE ; LAUWICK, BERNARD ; LANORE, JEAN-CLAUDE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_ATE11706TT13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>1985</creationdate><topic>ALARM SYSTEMS</topic><topic>ORDER TELEGRAPHS</topic><topic>PHYSICS</topic><topic>SIGNALLING</topic><topic>SIGNALLING OR CALLING SYSTEMS</topic><toplevel>online_resources</toplevel><creatorcontrib>DETRICHE, PHILIPPE</creatorcontrib><creatorcontrib>LAUWICK, BERNARD</creatorcontrib><creatorcontrib>LANORE, JEAN-CLAUDE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DETRICHE, PHILIPPE</au><au>LAUWICK, BERNARD</au><au>LANORE, JEAN-CLAUDE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>RAUCHMELDER NACH DEM LICHTSTREUUNGSPRINZIP MIT SELBSTUEBERWACHUNG</title><date>1985-02-15</date><risdate>1985</risdate><abstract>1. Self-monitoring diffusion optical smoke detector of the type comprising a light-emitter device (1) and a light-receiver device (2) in a chamber open to smoke, the light-receiver device constantly receiving during surveillance part of the light emitted by the emitter device (1) so as to ensure the self-monitoring of the detector, characterised in that the emitter device (1) comprises an emitter with a wide angle of aperture (A), the receiver device (2) comprises a receiver with a wide angle of aperture (B) and the emitter and the receiver are disposed opposite each other, a screen (3) being disposed between them, which does not completely obturate the angles of aperture (A and B), such that, in the state of surveillance, the edge of the screen (3) ensures diffusion towards the receiver (2) of part of the light emitted by the emitter (1).</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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subjects ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
title RAUCHMELDER NACH DEM LICHTSTREUUNGSPRINZIP MIT SELBSTUEBERWACHUNG
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