AU431572B2 - Ionization smoke detector - Google Patents

Ionization smoke detector

Info

Publication number
AU431572B2
AU431572B2 AU41052/72A AU4105272A AU431572B2 AU 431572 B2 AU431572 B2 AU 431572B2 AU 41052/72 A AU41052/72 A AU 41052/72A AU 4105272 A AU4105272 A AU 4105272A AU 431572 B2 AU431572 B2 AU 431572B2
Authority
AU
Australia
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
AU41052/72A
Other versions
AU4105272A (en
Inventor
CHANNII TAKAO FURUICHI and KOHEI YAM AD TADAO
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.)
Mittan Company Ltd
Original Assignee
Mittan Company 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 Mittan Company Ltd filed Critical Mittan Company Ltd
Application granted granted Critical
Publication of AU4105272A publication Critical patent/AU4105272A/en
Publication of AU431572B2 publication Critical patent/AU431572B2/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
AU41052/72A 1971-05-13 1972-04-12 Ionization smoke detector Expired AU431572B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3773971U JPS5537999Y2 (en) 1971-05-13 1971-05-13

Publications (2)

Publication Number Publication Date
AU4105272A AU4105272A (en) 1973-01-25
AU431572B2 true AU431572B2 (en) 1973-01-25

Family

ID=12505844

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41052/72A Expired AU431572B2 (en) 1971-05-13 1972-04-12 Ionization smoke detector

Country Status (7)

Country Link
JP (1) JPS5537999Y2 (en)
AU (1) AU431572B2 (en)
CA (1) CA948333A (en)
CH (1) CH537067A (en)
DE (1) DE2223360C3 (en)
FR (1) FR2139246A5 (en)
GB (1) GB1322299A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49117169A (en) * 1973-02-03 1974-11-08
JPS5531416Y2 (en) * 1975-01-28 1980-07-26
JPS5260766A (en) * 1975-11-11 1977-05-19 Sankyo Seisakushiyo Kk Piezooelectric element lighter

Also Published As

Publication number Publication date
CH537067A (en) 1973-06-29
DE2223360C3 (en) 1974-02-07
FR2139246A5 (en) 1973-01-05
DE2223360B2 (en) 1973-07-12
CA948333A (en) 1974-05-28
DE2223360A1 (en) 1972-11-23
AU4105272A (en) 1973-01-25
JPS5537999Y2 (en) 1980-09-05
GB1322299A (en) 1973-07-04
JPS4736292U (en) 1972-12-22

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