Global Patent Index - EP 1012805 A1

EP 1012805 A1 20000628 - SMOKE DETECTOR

Title (en)

SMOKE DETECTOR

Title (de)

RAUCHMELDER

Title (fr)

DETECTEUR DE FUMEE

Publication

EP 1012805 A1 20000628 (DE)

Application

EP 98928058 A 19980324

Priority

  • DE 9800857 W 19980324
  • DE 19741853 A 19970923

Abstract (en)

[origin: DE19741853A1] The smoke alarm detects smoke particles passing through a detection zone (5) in a measuring chamber (6) with a sensor (7). The measuring chamber is a hollow ellipse with a mirror finish inner surface (3). The smoke particle measuring field (5) is located at the first focal point (1) within the ellipse. The sensor receiver is located at the second focal point (2) in the ellipse (3).

IPC 1-7

G08B 17/107

IPC 8 full level

G01N 21/53 (2006.01); G08B 17/107 (2006.01)

CPC (source: EP US)

G08B 17/107 (2013.01 - EP US); G08B 17/113 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IT LI LU NL PT SE

DOCDB simple family (publication)

DE 19741853 A1 19990325; AT 219592 T 20020715; AU 8007498 A 19990412; CN 1111829 C 20030618; CN 1261972 A 20000802; DE 59804533 D1 20020725; EP 1012805 A1 20000628; EP 1012805 B1 20020619; ES 2178839 T3 20030101; JP 2001517843 A 20011009; US 6239710 B1 20010529; WO 9916033 A1 19990401

DOCDB simple family (application)

DE 19741853 A 19970923; AT 98928058 T 19980324; AU 8007498 A 19980324; CN 98806808 A 19980324; DE 59804533 T 19980324; DE 9800857 W 19980324; EP 98928058 A 19980324; ES 98928058 T 19980324; JP 2000513256 A 19980324; US 44587899 A 19991214