CA1169522A - Fire and explosion detection - Google Patents

Fire and explosion detection

Info

Publication number
CA1169522A
CA1169522A CA000368364A CA368364A CA1169522A CA 1169522 A CA1169522 A CA 1169522A CA 000368364 A CA000368364 A CA 000368364A CA 368364 A CA368364 A CA 368364A CA 1169522 A CA1169522 A CA 1169522A
Authority
CA
Canada
Prior art keywords
radiation
signal
fire
explosion
output
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000368364A
Other languages
English (en)
French (fr)
Inventor
David N. Ball
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Graviner Ltd
Original Assignee
Graviner Ltd
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 Graviner Ltd filed Critical Graviner Ltd
Priority to CA000415925A priority Critical patent/CA1172722A/en
Application granted granted Critical
Publication of CA1169522A publication Critical patent/CA1169522A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
CA000368364A 1980-01-17 1981-01-13 Fire and explosion detection Expired CA1169522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000415925A CA1172722A (en) 1980-01-17 1982-11-18 Fire and explosion detection

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8001655 1980-01-17
GB8001653 1980-01-17
GB8,001,653 1980-01-17
GB8,001,655 1980-01-17

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000415925A Division CA1172722A (en) 1980-01-17 1982-11-18 Fire and explosion detection

Publications (1)

Publication Number Publication Date
CA1169522A true CA1169522A (en) 1984-06-19

Family

ID=26274179

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000368364A Expired CA1169522A (en) 1980-01-17 1981-01-13 Fire and explosion detection

Country Status (3)

Country Link
CA (1) CA1169522A (enrdf_load_stackoverflow)
DE (1) DE3100482A1 (enrdf_load_stackoverflow)
FR (1) FR2474209B1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076148B (en) * 1980-05-17 1984-08-30 Graviner Ltd Improvements in and relating to fire or explosion detection
IL65517A (en) * 1982-04-18 1988-02-29 Spectronix Ltd Discrimination circuitry for fire and explosion suppression apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1960218A1 (de) * 1969-12-01 1971-06-03 Rainer Portscht Temperaturstrahlungsdetektor zur automatischen Brandentdeckung oder Flammenueberwachung
FR2151148A5 (enrdf_load_stackoverflow) * 1971-08-20 1973-04-13 Detection Electro Fse
US3931521A (en) * 1973-06-29 1976-01-06 Hughes Aircraft Company Dual spectrum infrared fire detector
GB1550334A (en) * 1975-06-28 1979-08-15 Emi Ltd Radiation detecting arrangements
JPS586995B2 (ja) * 1977-02-15 1983-02-07 国際技術開発株式会社 炎感知方式
JPS586996B2 (ja) * 1977-02-15 1983-02-07 国際技術開発株式会社 炎感知方式
US4101767A (en) * 1977-05-20 1978-07-18 Sensors, Inc. Discriminating fire sensor
IL54137A (en) * 1978-02-27 1985-02-28 Spectronix Ltd Fire and explosion detection apparatus
DE2823410A1 (de) * 1978-04-25 1979-11-08 Cerberus Ag Flammenmelder
US4206454A (en) * 1978-05-08 1980-06-03 Chloride Incorporated Two channel optical flame detector

Also Published As

Publication number Publication date
FR2474209A1 (fr) 1981-07-24
FR2474209B1 (fr) 1986-06-27
DE3100482C2 (enrdf_load_stackoverflow) 1991-12-19
DE3100482A1 (de) 1981-11-19

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Legal Events

Date Code Title Description
MKEX Expiry