NO840972L - Detektor for svevende partikler. - Google Patents

Detektor for svevende partikler.

Info

Publication number
NO840972L
NO840972L NO840972A NO840972A NO840972L NO 840972 L NO840972 L NO 840972L NO 840972 A NO840972 A NO 840972A NO 840972 A NO840972 A NO 840972A NO 840972 L NO840972 L NO 840972L
Authority
NO
Norway
Prior art keywords
radiation
signal
detector
sensor
passage
Prior art date
Application number
NO840972A
Other languages
English (en)
Norwegian (no)
Inventor
Christopher Davies
Original Assignee
Chloride Group Plc
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 Chloride Group Plc filed Critical Chloride Group Plc
Publication of NO840972L publication Critical patent/NO840972L/no

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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)
  • Sampling And Sample Adjustment (AREA)
NO840972A 1982-07-14 1984-03-13 Detektor for svevende partikler. NO840972L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08220406A GB2123548B (en) 1982-07-14 1982-07-14 Suspended particle detector

Publications (1)

Publication Number Publication Date
NO840972L true NO840972L (no) 1984-03-13

Family

ID=10531663

Family Applications (1)

Application Number Title Priority Date Filing Date
NO840972A NO840972L (no) 1982-07-14 1984-03-13 Detektor for svevende partikler.

Country Status (9)

Country Link
EP (1) EP0099729A1 (da)
JP (1) JPS59501283A (da)
DK (1) DK139384A (da)
ES (1) ES8405983A1 (da)
FI (1) FI841014A0 (da)
GB (1) GB2123548B (da)
IL (1) IL69222A0 (da)
NO (1) NO840972L (da)
WO (1) WO1984000429A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8529585D0 (en) * 1985-11-30 1986-01-08 Casswell P H Active infra red detector
US4769504A (en) * 1987-03-04 1988-09-06 The United States Of America As Represented By The United States Department Of Energy Process for converting light alkanes to higher hydrocarbons
GB9014015D0 (en) * 1990-06-23 1990-08-15 Dennis Peter N J Improvements in or relating to smoke detectors
DE4141944C2 (de) * 1991-12-19 1995-06-08 Hansa Metallwerke Ag Einrichtung zur berührungslosen Steuerung einer Sanitärarmatur
SE470168B (sv) * 1992-04-27 1993-11-22 Whirlpool Int Rök/ångdetektor för mikrovågsugn
RU2141133C1 (ru) * 1998-10-14 1999-11-10 Закрытое акционерное общество "Инновационная фирма "ИРСЭТ - Центр" Детектор дыма
ATE507544T1 (de) * 2008-02-19 2011-05-15 Siemens Ag Rauchdetektion mittels zweier spektral unterschiedlicher streulichtmessungen
EP2093732A1 (de) * 2008-02-19 2009-08-26 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Detektieren von Rauch durch gemeinsame Auswertung zweier optischer Rückstreusignale

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723747A (en) * 1971-06-03 1973-03-27 Electro Signal Lab Photoelectric detector with compensating photocell
DE2856259C2 (de) * 1978-12-27 1987-01-22 Cerberus AG, Männedorf, Zürich Rauchdetektor
DE2907173A1 (de) * 1979-02-23 1980-09-04 Hekatron Gmbh Schaltungsanordnung fuer einen optischen rauchgasanzeiger

Also Published As

Publication number Publication date
IL69222A0 (en) 1983-11-30
GB2123548B (en) 1985-09-04
JPS59501283A (ja) 1984-07-19
ES524120A0 (es) 1984-06-16
FI841014A7 (fi) 1984-03-13
WO1984000429A1 (en) 1984-02-02
DK139384D0 (da) 1984-02-29
FI841014A0 (fi) 1984-03-13
DK139384A (da) 1984-02-29
EP0099729A1 (en) 1984-02-01
ES8405983A1 (es) 1984-06-16
GB2123548A (en) 1984-02-01

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