Global Patent Index - EP 0971329 A1

EP 0971329 A1 2000-01-12 - Device for testing smoke detectors of the light diffusion type

Title (en)

Device for testing smoke detectors of the light diffusion type

Title (de)

Vorrichtung zur Überprüfung der Funktion von Streulichtrauchmeldern

Title (fr)

Dispositif permettant de vérifier des détecteurs de fumée du type à diffusion optique

Publication

EP 0971329 A1 (DE)

Application

EP 99112527 A

Priority

  • EP 99112527 A
  • CH 75799 A
  • EP 98112822 A

Abstract (en)

The smoke alarm has a measurement chamber (5) with a light pulse emitting measurement light source (6) and a measurement light receiver (7). The test arrangement has an adapter (1) contg. a test light source (3) that can be actuated synchronously with the light pulses from the measurement light source to illuminate the measurement light receiver with test light pulses. The adapter has a detector (2) that responds to the electromagnetic field produced by the current pulses of the measurement light source and that controls the test light source.

Abstract (de)

Die Vorrichtung dient zur Überprüfung der Funktion von Streulicht-Rauchmeldern (M), welche eine Messkammer (5) mit einer Lichtpulse aussendenden Mess-Lichtquelle (6) und einen Mess-Lichtempfänger (7) aufweisen, und enthält einen Adapter (1) mit einer synchron mit den Lichtpulsen der Mess-Lichtquelle (6) betätigbaren Prüf-Lichtquelle (3) zur Beaufschlagung des Mess-Lichtempfängers (7) mit Prüf-Lichtpulsen. Ausserdem weist die Vorrichtung einen auf das durch die Strompulse der Mess-Lichtquelle (6) erzeugte elektromagnetische Feld ansprechenden und die Prüf-Lichtquelle (3) steuernden Detektor (2) auf, welcher durch eine Induktionsspule gebildet ist. Der Adapter (1) weist entweder eine prismatische oder schachtelartige Form auf und ist in der Art einer Ferbedienung gegen den zu prüfenden Rauchmelder (M) richtbar oder auf die Kuppe eines auf einer Unterlage liegenden Rauchmelders stellbar, oder er hat eine rotationssysmmetrische, an einem Ende offene, büchsen- oder dosenartige Form und ist auf den zu prüfenden Melder aufsetzbar oder über diesen schiebbar. <IMAGE>

IPC 1-7 (main, further and additional classification)

G08B 29/14

IPC 8 full level (invention and additional information)

G08B 29/14 (2006.01)

CPC (invention and additional information)

G08B 29/145 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0971329 A1 20000112; EP 0971329 B1 20030305

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