CA1017466A - Ionization smoke detector and alarm system - Google Patents

Ionization smoke detector and alarm system

Info

Publication number
CA1017466A
CA1017466A CA207,324A CA207324A CA1017466A CA 1017466 A CA1017466 A CA 1017466A CA 207324 A CA207324 A CA 207324A CA 1017466 A CA1017466 A CA 1017466A
Authority
CA
Canada
Prior art keywords
alarm system
smoke detector
ionization smoke
ionization
detector
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
CA207,324A
Other languages
English (en)
Other versions
CA207324S (en
Inventor
John Dobrzanski
Ernest V. Hart
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.)
Emhart Industries Inc
Original Assignee
Emhart Industries Inc
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 Emhart Industries Inc filed Critical Emhart Industries Inc
Priority to CA267,994A priority Critical patent/CA1016273A/en
Application granted granted Critical
Publication of CA1017466A publication Critical patent/CA1017466A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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
    • G08B17/113Constructional details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
CA207,324A 1973-10-25 1974-08-19 Ionization smoke detector and alarm system Expired CA1017466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA267,994A CA1016273A (en) 1973-10-25 1976-12-16 Ionization smoke detector and alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/409,647 US3934145A (en) 1973-10-25 1973-10-25 Ionization smoke detector and alarm system

Publications (1)

Publication Number Publication Date
CA1017466A true CA1017466A (en) 1977-09-13

Family

ID=23621399

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207,324A Expired CA1017466A (en) 1973-10-25 1974-08-19 Ionization smoke detector and alarm system

Country Status (12)

Country Link
US (1) US3934145A (de)
JP (1) JPS5075093A (de)
AU (1) AU474800B2 (de)
BR (1) BR7408684D0 (de)
CA (1) CA1017466A (de)
CH (2) CH584950A5 (de)
DE (2) DE2450601C3 (de)
FR (1) FR2249394B1 (de)
GB (2) GB1483782A (de)
IT (1) IT1025187B (de)
NL (1) NL7412929A (de)
SE (1) SE7413148L (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH600563A5 (de) * 1976-11-29 1978-06-15 Cerberus Ag
CH600565A5 (de) * 1976-12-01 1978-06-15 Cerberus Ag
US4096473A (en) * 1976-12-09 1978-06-20 P.R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
US4119904A (en) * 1977-04-11 1978-10-10 Honeywell Inc. Low battery voltage detector
JPS5734445Y2 (de) * 1977-08-19 1982-07-29
JPS5442595U (de) * 1977-08-31 1979-03-22
DE2752690C3 (de) * 1977-11-25 1981-04-16 Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf Ionisations-Brandmelder
DE2816192C2 (de) * 1978-04-14 1986-02-20 Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München Brandmeldezentrale
USRE30620E (en) * 1978-07-03 1981-05-19 P. R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
JPS56100356A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Ionization type smoke sensor
AU1893383A (en) * 1983-03-07 1984-09-13 Emhart Industries Inc. Mount for fire sensor
ATE30646T1 (de) * 1983-10-17 1987-11-15 Cerberus Ag Verfahren zur alarmsignalisation und einrichtung zur anwendung desselben.
JPS60144192U (ja) * 1984-02-29 1985-09-25 レック株式会社 煙検知器
US4564762A (en) * 1984-05-16 1986-01-14 Pyrotector, Inc. Smoke detector
US4862147A (en) * 1985-08-26 1989-08-29 Puritan-Bennett Aero Systems Company Smoke alarm with dropout smoke hood
GB2200232A (en) * 1986-05-13 1988-07-27 Bryan Allsop Battery powered temperature alarm
GB2254500B (en) * 1991-03-30 1995-04-26 Nec Corp Method and arrangement for advising when radio pager battery requires replacement
DE4341411C2 (de) * 1993-12-04 1995-09-07 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum pneumatischen Zuführen von Fasern zu der Fasersammelfläche eines Offenend-Spinnelementes
GB2322727A (en) * 1997-02-27 1998-09-02 Fulleon Ltd Sounder device
US8754775B2 (en) 2009-03-20 2014-06-17 Nest Labs, Inc. Use of optical reflectance proximity detector for nuisance mitigation in smoke alarms
CN102521943A (zh) * 2012-01-10 2012-06-27 浙江宇安消防装备有限公司 一种便携式逃生器材存放箱和小区智能消防预警集成装置
US10598398B2 (en) 2012-03-20 2020-03-24 Air Distribution Technologies Ip, Llc Energy recovery ventilation smoke evacuation
GB2517917A (en) * 2013-09-04 2015-03-11 Sprue Safety Products Ltd Heat detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460124A (en) * 1966-06-06 1969-08-05 Interstate Eng Corp Smoke detector
CH491449A (de) * 1969-05-19 1970-05-31 Cerberus Ag Rauchdetektoranordnung mit mindestens einer Rauchmesskammer
CH508251A (de) * 1970-07-23 1971-05-31 Cerberus Ag Ionisationsfeuermelder

Also Published As

Publication number Publication date
AU474800B2 (en) 1976-08-05
BR7408684D0 (pt) 1975-08-05
FR2249394A1 (de) 1975-05-23
SE7413148L (de) 1975-04-28
IT1025187B (it) 1978-08-10
CH574652A5 (de) 1976-04-15
DE2450601B2 (de) 1977-12-01
FR2249394B1 (de) 1979-02-09
CH584950A5 (de) 1977-02-15
AU7372574A (en) 1976-04-29
GB1483781A (en) 1977-08-24
DE2450601A1 (de) 1975-05-15
DE2462261B2 (de) 1978-08-31
US3934145A (en) 1976-01-20
DE2462261A1 (de) 1976-07-08
JPS5075093A (de) 1975-06-20
NL7412929A (nl) 1975-04-29
GB1483782A (en) 1977-08-24
DE2450601C3 (de) 1978-07-13

Similar Documents

Publication Publication Date Title
CA1017466A (en) Ionization smoke detector and alarm system
CA1009338A (en) Fire detection and extinguishing system
CA1027202A (en) Fire detection system
CA1012210A (en) Installation and test for ionization smoke detector
CA998783A (en) Ionization-type fire sensor
CA981754A (en) Smoke detector failure alarm
CA1015071A (en) Ionization smoke detector circuit
CA990865A (en) Smoke detectors
AU501762B2 (en) Ionization smoke detector
CA927022A (en) Ionization smoke detector
CA1016273A (en) Ionization smoke detector and alarm system
AU4105272A (en) Ionization smoke detector
CA909400A (en) Ionization smoke detector
CA928872A (en) Ionization smoke detector
CA902272A (en) Ionization fire alarm
CA917284A (en) Condition detector and alarm system
CA913814A (en) Ionization smoke detector
CA896197A (en) Ionization smoke detector
CA893934A (en) Ionization smoke detector
CA893933A (en) Ionization smoke detector
CA913248A (en) Ionization smoke detector
AU481561B2 (en) Improvements in ionization fire alarms
CA912175A (en) Ionization type smoke detectors
AU491295B2 (en) Ionization fire detector
AU6701374A (en) Improvements in ionization fire alarms