CA938385A - Fire detection system - Google Patents

Fire detection system

Info

Publication number
CA938385A
CA938385A CA120850A CA120850A CA938385A CA 938385 A CA938385 A CA 938385A CA 120850 A CA120850 A CA 120850A CA 120850 A CA120850 A CA 120850A CA 938385 A CA938385 A CA 938385A
Authority
CA
Canada
Prior art keywords
detection system
fire detection
fire
detection
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
CA120850A
Other versions
CA120850S (en
Inventor
Suchomel Michael
C. Tipton William
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.)
SPX Technologies Inc
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Application granted granted Critical
Publication of CA938385A publication Critical patent/CA938385A/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
    • G08B17/10—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
    • 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 Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
CA120850A 1970-09-28 1971-08-18 Fire detection system Expired CA938385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7614970A 1970-09-28 1970-09-28

Publications (1)

Publication Number Publication Date
CA938385A true CA938385A (en) 1973-12-11

Family

ID=22130220

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120850A Expired CA938385A (en) 1970-09-28 1971-08-18 Fire detection system

Country Status (3)

Country Link
US (1) US3728706A (en)
CA (1) CA938385A (en)
GB (1) GB1347306A (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551057A (en) * 1973-04-17 1974-06-28 Cerberus Ag IONIZATION ALARM.
US4001800A (en) * 1974-06-24 1977-01-04 Gentex Company Smoke detecting device
US4091364A (en) * 1974-09-09 1978-05-23 Unitec, Inc. Combustion detection device
US4037206A (en) * 1975-01-22 1977-07-19 Emhart Industries, Inc. Ionization smoke detector and alarm system
US4007374A (en) * 1975-07-07 1977-02-08 Gulf & Western Manufacturing Company (Systems) Ionization detector with improved radiation source
US4021671A (en) * 1975-07-07 1977-05-03 Gulf & Western Manufacturing Company (Systems) Ionization detector
USRE30117E (en) * 1975-07-25 1979-10-16 Cerberus Ag Ionization-type fire or smoke sensing system
CH586941A5 (en) * 1975-07-25 1977-04-15 Cerberus Ag
US4038649A (en) * 1975-09-16 1977-07-26 Emhart Industries, Inc. Smoke detection alarm device
CH597659A5 (en) * 1976-02-06 1978-04-14 Cerberus Ag
JPS52111590U (en) * 1976-02-20 1977-08-24
US4168497A (en) * 1976-03-15 1979-09-18 Cerberus Ag Fire and smoke sensing system
US4138670B2 (en) * 1977-01-03 1994-07-26 Pittaway Corp A.C. powered detecting device with battery backup
DE2707409C2 (en) * 1977-02-21 1985-02-21 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionization fire detector
DE2752690C3 (en) * 1977-11-25 1981-04-16 Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf Ionization fire detectors
US4264901A (en) * 1978-07-17 1981-04-28 Petersen Lee O Moisture detecting and alarm device
US4257039A (en) * 1978-12-26 1981-03-17 Norma J. Webb Smoke detector
JPS5926465Y2 (en) * 1979-04-15 1984-08-01 松下電工株式会社 sensor
US4488044A (en) * 1981-11-20 1984-12-11 Pittway Corporation Ionization chamber for smoke detector and the like
GB8429487D0 (en) * 1984-11-22 1985-01-03 Thorn Emi Automation Ltd Electrical apparatus
JPH01102991U (en) * 1987-12-26 1989-07-12
GB2237461B (en) * 1989-10-09 1993-12-08 Scantronic Ltd Monitoring faults in electrical circuit arrangements
DE102014019773B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone
DE102014019172B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646556A (en) * 1950-06-17 1953-07-21 C O Two Fire Equipment Co Supervised alarm system
US3462752A (en) * 1966-03-30 1969-08-19 Denver Burglar Alarm Products Method and system for detecting the presence of foreign matter in a body of gas

Also Published As

Publication number Publication date
US3728706A (en) 1973-04-17
GB1347306A (en) 1974-02-27

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