CH513479A - Rauchmelder - Google Patents

Rauchmelder

Info

Publication number
CH513479A
CH513479A CH1087270A CH1087270A CH513479A CH 513479 A CH513479 A CH 513479A CH 1087270 A CH1087270 A CH 1087270A CH 1087270 A CH1087270 A CH 1087270A CH 513479 A CH513479 A CH 513479A
Authority
CH
Switzerland
Prior art keywords
smoke detector
smoke
detector
Prior art date
Application number
CH1087270A
Other languages
English (en)
Inventor
Kobayashi Akihiro
Tagashira Hiroshi
Takahashi Naoki
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
Publication of CH513479A publication Critical patent/CH513479A/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)
CH1087270A 1969-08-08 1970-07-16 Rauchmelder CH513479A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6228969 1969-08-08

Publications (1)

Publication Number Publication Date
CH513479A true CH513479A (de) 1971-09-30

Family

ID=13195797

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1087270A CH513479A (de) 1969-08-08 1970-07-16 Rauchmelder

Country Status (8)

Country Link
CH (1) CH513479A (de)
DE (1) DE2035671B2 (de)
ES (1) ES381359A1 (de)
FR (1) FR2057720A5 (de)
GB (1) GB1274376A (de)
IL (1) IL34813A (de)
NL (1) NL7008947A (de)
ZA (1) ZA703756B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640384B1 (fr) * 1988-12-13 1991-04-12 Morrison Co Ets Detecteur de gaz de combustion par ionisation

Also Published As

Publication number Publication date
FR2057720A5 (de) 1971-05-21
IL34813A0 (en) 1970-08-19
NL7008947A (de) 1971-02-10
DE2035671A1 (de) 1971-02-25
ES381359A1 (es) 1972-11-01
IL34813A (en) 1973-07-30
DE2035671B2 (de) 1971-12-30
ZA703756B (en) 1971-06-30
GB1274376A (en) 1972-05-17

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Legal Events

Date Code Title Description
PL Patent ceased