CA928872A - Ionization smoke detector - Google Patents

Ionization smoke detector

Info

Publication number
CA928872A
CA928872A CA095192A CA95192A CA928872A CA 928872 A CA928872 A CA 928872A CA 095192 A CA095192 A CA 095192A CA 95192 A CA95192 A CA 95192A CA 928872 A CA928872 A CA 928872A
Authority
CA
Canada
Prior art keywords
smoke detector
ionization smoke
ionization
detector
smoke
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
CA095192A
Inventor
Kobayashi Akihiro
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.)
Nittan Co Ltd
Original Assignee
Nittan Co 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Application granted granted Critical
Publication of CA928872A publication Critical patent/CA928872A/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

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)
CA095192A 1969-10-09 1970-10-08 Ionization smoke detector Expired CA928872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8033769 1969-10-09

Publications (1)

Publication Number Publication Date
CA928872A true CA928872A (en) 1973-06-19

Family

ID=13715432

Family Applications (1)

Application Number Title Priority Date Filing Date
CA095192A Expired CA928872A (en) 1969-10-09 1970-10-08 Ionization smoke detector

Country Status (5)

Country Link
CA (1) CA928872A (en)
DE (1) DE2049717C3 (en)
FR (1) FR2065109A5 (en)
GB (1) GB1278925A (en)
SE (1) SE356624B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH586941A5 (en) * 1975-07-25 1977-04-15 Cerberus Ag

Also Published As

Publication number Publication date
DE2049717A1 (en) 1971-04-29
FR2065109A5 (en) 1971-07-23
DE2049717C3 (en) 1975-12-18
SE356624B (en) 1973-05-28
GB1278925A (en) 1972-06-21
DE2049717B2 (en) 1975-05-15

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