FR2102159B1 - - Google Patents

Info

Publication number
FR2102159B1
FR2102159B1 FR7129176A FR7129176A FR2102159B1 FR 2102159 B1 FR2102159 B1 FR 2102159B1 FR 7129176 A FR7129176 A FR 7129176A FR 7129176 A FR7129176 A FR 7129176A FR 2102159 B1 FR2102159 B1 FR 2102159B1
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
FR7129176A
Other versions
FR2102159A1 (fr
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 JP6927570A external-priority patent/JPS4844079B1/ja
Priority claimed from JP7236570A external-priority patent/JPS49398B1/ja
Priority claimed from JP7562870A external-priority patent/JPS4929797B1/ja
Application filed by Nittan Co Ltd filed Critical Nittan Co Ltd
Publication of FR2102159A1 publication Critical patent/FR2102159A1/fr
Application granted granted Critical
Publication of FR2102159B1 publication Critical patent/FR2102159B1/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

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)
  • Fire Alarms (AREA)
FR7129176A 1970-08-10 1971-08-10 Expired FR2102159B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6927670 1970-08-10
JP6927570A JPS4844079B1 (fr) 1970-08-10 1970-08-10
JP7236570A JPS49398B1 (fr) 1970-08-20 1970-08-20
JP7562870A JPS4929797B1 (fr) 1970-08-31 1970-08-31

Publications (2)

Publication Number Publication Date
FR2102159A1 FR2102159A1 (fr) 1972-04-07
FR2102159B1 true FR2102159B1 (fr) 1975-02-07

Family

ID=27465102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7129176A Expired FR2102159B1 (fr) 1970-08-10 1971-08-10

Country Status (4)

Country Link
CA (1) CA933679A (fr)
CH (1) CH540540A (fr)
FR (1) FR2102159B1 (fr)
GB (1) GB1315602A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH497755A (de) * 1969-06-24 1970-10-15 Cerberus Ag Ionisationsfeuermelder

Also Published As

Publication number Publication date
FR2102159A1 (fr) 1972-04-07
CH540540A (de) 1973-08-15
DE2140121A1 (de) 1972-02-17
GB1315602A (en) 1973-05-02
CA933679A (en) 1973-09-11
DE2140121B2 (de) 1972-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse