DE2034419B2 - Ionisationsrauchmelder - Google Patents

Ionisationsrauchmelder

Info

Publication number
DE2034419B2
DE2034419B2 DE19702034419 DE2034419A DE2034419B2 DE 2034419 B2 DE2034419 B2 DE 2034419B2 DE 19702034419 DE19702034419 DE 19702034419 DE 2034419 A DE2034419 A DE 2034419A DE 2034419 B2 DE2034419 B2 DE 2034419B2
Authority
DE
Germany
Prior art keywords
ionization
electrode
capacitor
smoke
voltage
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.)
Pending
Application number
DE19702034419
Other languages
German (de)
English (en)
Other versions
DE2034419A1 (de
Inventor
Akihiro Fujisawa Kanagawa Kobayashi (Japan)
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
Priority claimed from JP7336169U external-priority patent/JPS483417Y1/ja
Application filed by Nittan Co Ltd filed Critical Nittan Co Ltd
Publication of DE2034419A1 publication Critical patent/DE2034419A1/de
Publication of DE2034419B2 publication Critical patent/DE2034419B2/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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)
DE19702034419 1969-07-22 1970-07-10 Ionisationsrauchmelder Pending DE2034419B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5736769 1969-07-22
JP7336169U JPS483417Y1 (https=) 1969-08-04 1969-08-04

Publications (2)

Publication Number Publication Date
DE2034419A1 DE2034419A1 (de) 1971-02-04
DE2034419B2 true DE2034419B2 (de) 1972-12-07

Family

ID=26398403

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702034419 Pending DE2034419B2 (de) 1969-07-22 1970-07-10 Ionisationsrauchmelder

Country Status (5)

Country Link
DE (1) DE2034419B2 (https=)
ES (1) ES381761A1 (https=)
FR (1) FR2055344A5 (https=)
GB (1) GB1273307A (https=)
NL (1) NL7010165A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE874157A (fr) * 1979-02-14 1979-05-29 Inst Nat Radio Elements Detecteur ionique

Also Published As

Publication number Publication date
GB1273307A (en) 1972-05-10
DE2034419A1 (de) 1971-02-04
ES381761A1 (es) 1974-06-16
FR2055344A5 (https=) 1971-05-07
NL7010165A (https=) 1971-01-26

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