FR2144692A1 - - Google Patents

Info

Publication number
FR2144692A1
FR2144692A1 FR7223550A FR7223550A FR2144692A1 FR 2144692 A1 FR2144692 A1 FR 2144692A1 FR 7223550 A FR7223550 A FR 7223550A FR 7223550 A FR7223550 A FR 7223550A FR 2144692 A1 FR2144692 A1 FR 2144692A1
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.)
Granted
Application number
FR7223550A
Other languages
French (fr)
Other versions
FR2144692B1 (enExample
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.)
RFT MESSELEKTRONIK DRESDEN VEB
Original Assignee
RFT MESSELEKTRONIK DRESDEN VEB
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 RFT MESSELEKTRONIK DRESDEN VEB filed Critical RFT MESSELEKTRONIK DRESDEN VEB
Publication of FR2144692A1 publication Critical patent/FR2144692A1/fr
Application granted granted Critical
Publication of FR2144692B1 publication Critical patent/FR2144692B1/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)
FR7223550A 1971-07-02 1972-06-29 Expired FR2144692B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15621971 1971-07-02

Publications (2)

Publication Number Publication Date
FR2144692A1 true FR2144692A1 (enExample) 1973-02-16
FR2144692B1 FR2144692B1 (enExample) 1976-08-06

Family

ID=5484029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7223550A Expired FR2144692B1 (enExample) 1971-07-02 1972-06-29

Country Status (3)

Country Link
DE (1) DE2227809B2 (enExample)
FR (1) FR2144692B1 (enExample)
SE (1) SE384941B (enExample)

Also Published As

Publication number Publication date
DE2227809A1 (de) 1973-01-18
DE2227809B2 (de) 1974-07-18
SE384941B (sv) 1976-05-24
FR2144692B1 (enExample) 1976-08-06

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Legal Events

Date Code Title Description
ST Notification of lapse