ZA975813B - Smoke detector. - Google Patents

Smoke detector.

Info

Publication number
ZA975813B
ZA975813B ZA9705813A ZA975813A ZA975813B ZA 975813 B ZA975813 B ZA 975813B ZA 9705813 A ZA9705813 A ZA 9705813A ZA 975813 A ZA975813 A ZA 975813A ZA 975813 B ZA975813 B ZA 975813B
Authority
ZA
South Africa
Prior art keywords
smoke detector
smoke
detector
Prior art date
Application number
ZA9705813A
Inventor
Urs Riedi
Bernhard Durrer
Kurt Hess
Original Assignee
Cerberus Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cerberus Ag filed Critical Cerberus Ag
Publication of ZA975813B publication Critical patent/ZA975813B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
ZA9705813A 1996-07-22 1997-06-30 Smoke detector. ZA975813B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96111753A EP0821332A1 (en) 1996-07-22 1996-07-22 Smoke detector

Publications (1)

Publication Number Publication Date
ZA975813B true ZA975813B (en) 1998-01-30

Family

ID=8223021

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9705813A ZA975813B (en) 1996-07-22 1997-06-30 Smoke detector.

Country Status (7)

Country Link
EP (1) EP0821332A1 (en)
KR (1) KR20000064237A (en)
CN (1) CN1198237A (en)
AU (1) AU725417B2 (en)
PL (1) PL325923A1 (en)
WO (1) WO1998003948A1 (en)
ZA (1) ZA975813B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6521907B1 (en) 1999-04-29 2003-02-18 Pittway Corporation Miniature photoelectric sensing chamber
DE50205854D1 (en) * 2002-06-20 2006-04-27 Siemens Schweiz Ag Zuerich Scattered light smoke
CN104408863A (en) * 2014-11-05 2015-03-11 中国科学技术大学先进技术研究院 Dual light path fire smog detection smoke chamber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3345688C2 (en) * 1983-12-16 1986-06-19 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Scattered light - smoke alarm
JP2648560B2 (en) * 1993-04-09 1997-09-03 ホーチキ株式会社 Scattered light smoke detector
US5400014A (en) * 1993-07-12 1995-03-21 Detection Systems, Inc. Smoke detector with dark chamber

Also Published As

Publication number Publication date
AU3332997A (en) 1998-02-10
EP0821332A1 (en) 1998-01-28
CN1198237A (en) 1998-11-04
AU725417B2 (en) 2000-10-12
PL325923A1 (en) 1998-08-17
WO1998003948A1 (en) 1998-01-29
KR20000064237A (en) 2000-11-06

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