CH537067A - Rauchmelder - Google Patents

Rauchmelder

Info

Publication number
CH537067A
CH537067A CH694872A CH537067DA CH537067A CH 537067 A CH537067 A CH 537067A CH 694872 A CH694872 A CH 694872A CH 537067D A CH537067D A CH 537067DA CH 537067 A CH537067 A CH 537067A
Authority
CH
Switzerland
Prior art keywords
smoke detector
smoke
detector
Prior art date
Application number
CH694872A
Other languages
English (en)
Inventor
Ohsumi Tadao
Furuichi Takao
Yamada Kohei
Original Assignee
Nittan Company Ltd Shibuya Ku
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 Company Ltd Shibuya Ku filed Critical Nittan Company Ltd Shibuya Ku
Publication of CH537067A publication Critical patent/CH537067A/de

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-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
CH694872A 1971-05-13 1972-05-10 Rauchmelder CH537067A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH537067A true CH537067A (de) 1973-06-29

Family

ID=12505844

Family Applications (1)

Application Number Title Priority Date Filing Date
CH694872A CH537067A (de) 1971-05-13 1972-05-10 Rauchmelder

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49117169A (de) * 1973-02-03 1974-11-08
JPS5531416Y2 (de) * 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
CA948333A (en) 1974-05-28
DE2223360A1 (de) 1972-11-23
JPS4736292U (de) 1972-12-22
GB1322299A (en) 1973-07-04
DE2223360B2 (de) 1973-07-12
FR2139246A5 (de) 1973-01-05
AU4105272A (en) 1973-01-25
JPS5537999Y2 (de) 1980-09-05
AU431572B2 (en) 1973-01-25
DE2223360C3 (de) 1974-02-07

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Legal Events

Date Code Title Description
PL Patent ceased