FR2057720A5 - - Google Patents

Info

Publication number
FR2057720A5
FR2057720A5 FR7024714A FR7024714A FR2057720A5 FR 2057720 A5 FR2057720 A5 FR 2057720A5 FR 7024714 A FR7024714 A FR 7024714A FR 7024714 A FR7024714 A FR 7024714A FR 2057720 A5 FR2057720 A5 FR 2057720A5
Authority
FR
France
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
FR7024714A
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 FR2057720A5 publication Critical patent/FR2057720A5/fr
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

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)
FR7024714A 1969-08-08 1970-07-03 Expired FR2057720A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2057720A5 true FR2057720A5 (fr) 1971-05-21

Family

ID=13195797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7024714A Expired FR2057720A5 (fr) 1969-08-08 1970-07-03

Country Status (8)

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

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
CH513479A (de) 1971-09-30
IL34813A0 (en) 1970-08-19
NL7008947A (fr) 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
ST Notification of lapse