FI841014A0 - DETECTOR FOER SUSPENDERADE PARTIKLAR - Google Patents

DETECTOR FOER SUSPENDERADE PARTIKLAR

Info

Publication number
FI841014A0
FI841014A0 FI841014A FI841014A FI841014A0 FI 841014 A0 FI841014 A0 FI 841014A0 FI 841014 A FI841014 A FI 841014A FI 841014 A FI841014 A FI 841014A FI 841014 A0 FI841014 A0 FI 841014A0
Authority
FI
Finland
Prior art keywords
suspenderade
partiklar
foer
detector
suspenderade partiklar
Prior art date
Application number
FI841014A
Other languages
Finnish (fi)
Other versions
FI841014A (en
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 FI841014A0 publication Critical patent/FI841014A0/en
Publication of FI841014A publication Critical patent/FI841014A/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)
  • Sampling And Sample Adjustment (AREA)
FI841014A 1982-07-14 1984-03-13 DETECTOR FOER SUSPENDERADE PARTIKLAR. FI841014A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08220406A GB2123548B (en) 1982-07-14 1982-07-14 Suspended particle detector
PCT/GB1983/000171 WO1984000429A1 (en) 1982-07-14 1983-07-13 Suspended particle detector

Publications (2)

Publication Number Publication Date
FI841014A0 true FI841014A0 (en) 1984-03-13
FI841014A FI841014A (en) 1984-03-13

Family

ID=10531663

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841014A FI841014A (en) 1982-07-14 1984-03-13 DETECTOR FOER SUSPENDERADE PARTIKLAR.

Country Status (9)

Country Link
EP (1) EP0099729A1 (en)
JP (1) JPS59501283A (en)
DK (1) DK139384D0 (en)
ES (1) ES8405983A1 (en)
FI (1) FI841014A (en)
GB (1) GB2123548B (en)
IL (1) IL69222A0 (en)
NO (1) NO840972L (en)
WO (1) WO1984000429A1 (en)

Families Citing this family (7)

* 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 (en) * 1991-12-19 1995-06-08 Hansa Metallwerke Ag Device for the contactless control of a sanitary fitting
SE470168B (en) * 1992-04-27 1993-11-22 Whirlpool Int Smoke / steam detector for microwave oven
EP2093732A1 (en) * 2008-02-19 2009-08-26 Siemens Aktiengesellschaft Device and method for detecting smoke through joint evaluation of two optical backscattering signals
EP2093733B1 (en) * 2008-02-19 2011-04-27 Siemens Aktiengesellschaft Smoke detection through two spectrally different light scattering measurements

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
DE2856259B1 (en) * 1978-12-27 1979-12-20 Cerberus Ag Smoke detector
DE2907173A1 (en) * 1979-02-23 1980-09-04 Hekatron Gmbh CIRCUIT ARRANGEMENT FOR AN OPTICAL FLUE GAS DETECTOR

Also Published As

Publication number Publication date
EP0099729A1 (en) 1984-02-01
ES524120A0 (en) 1984-06-16
DK139384A (en) 1984-02-29
ES8405983A1 (en) 1984-06-16
DK139384D0 (en) 1984-02-29
IL69222A0 (en) 1983-11-30
JPS59501283A (en) 1984-07-19
GB2123548B (en) 1985-09-04
GB2123548A (en) 1984-02-01
WO1984000429A1 (en) 1984-02-02
NO840972L (en) 1984-03-13
FI841014A (en) 1984-03-13

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: CHLORIDE GROUP LIMITED