FR2193225B1 - - Google Patents

Info

Publication number
FR2193225B1
FR2193225B1 FR7323460A FR7323460A FR2193225B1 FR 2193225 B1 FR2193225 B1 FR 2193225B1 FR 7323460 A FR7323460 A FR 7323460A FR 7323460 A FR7323460 A FR 7323460A FR 2193225 B1 FR2193225 B1 FR 2193225B1
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
FR7323460A
Other versions
FR2193225A1 (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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Publication of FR2193225A1 publication Critical patent/FR2193225A1/fr
Application granted granted Critical
Publication of FR2193225B1 publication Critical patent/FR2193225B1/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 Alarms (AREA)
  • Alarm Systems (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
FR7323460A 1972-07-17 1973-06-27 Expired FR2193225B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1065472 1972-07-17

Publications (2)

Publication Number Publication Date
FR2193225A1 FR2193225A1 (fr) 1974-02-15
FR2193225B1 true FR2193225B1 (fr) 1979-01-26

Family

ID=4365437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7323460A Expired FR2193225B1 (fr) 1972-07-17 1973-06-27

Country Status (13)

Country Link
US (1) US3821734A (fr)
JP (1) JPS5617704B2 (fr)
AU (1) AU474604B2 (fr)
CA (1) CA988224A (fr)
CH (1) CH547531A (fr)
DE (1) DE2328881C3 (fr)
FI (1) FI56908C (fr)
FR (1) FR2193225B1 (fr)
GB (1) GB1401146A (fr)
HK (1) HK55880A (fr)
NO (1) NO137619C (fr)
SE (1) SE390076B (fr)
ZA (1) ZA734855B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707409C2 (de) * 1977-02-21 1985-02-21 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionisationsbrandmelder
US4191946A (en) * 1977-10-20 1980-03-04 Gonzalez Raymond J Warning apparatus with a line integrity supervisory circuit
JPS5831038B2 (ja) * 1977-12-26 1983-07-02 能美防災工業株式会社 火災感知器
DE2811891A1 (de) * 1978-03-18 1979-09-27 Merk Gmbh Telefonbau Fried Schaltungsanordnung zur ruhestromueberwachung von meldeleitungen
US4207558A (en) * 1978-04-03 1980-06-10 Pittway Corporation Interconnection circuit for a plurality of alarm units
USRE30620E (en) * 1978-07-03 1981-05-19 P. R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
DE2934383A1 (de) * 1978-08-26 1980-03-06 Hochiki Co Feuerueberwachungseinrichtung
US4414539A (en) * 1978-12-22 1983-11-08 The Boeing Company Built-in passive fault detection circuitry for an aircraft's electrical/electronic systems
US4287515A (en) * 1979-04-27 1981-09-01 Baker Industries, Inc. Fire detection system with multiple output signals
US4573040A (en) * 1979-11-30 1986-02-25 Drexelbrook Engineering Company Fail-safe instrument system
US5382909A (en) 1983-06-30 1995-01-17 Raychem Corporation Method for detecting and obtaining information about changes in variables
US5015958A (en) 1983-06-30 1991-05-14 Raychem Corporation Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
IL72246A (en) * 1983-06-30 1989-09-28 Raychem Corp Method and apparatus for detecting and obtaining information about changes in variables
JPS6174187U (fr) * 1984-10-16 1986-05-20
EP0222013B1 (fr) 1985-06-12 1993-02-24 RAYCHEM CORPORATION (a Delaware corporation) Capteur d'hydrocarbure
US5898369A (en) * 1996-01-18 1999-04-27 Godwin; Paul K. Communicating hazardous condition detector
AT501215B1 (de) * 2004-12-20 2008-05-15 Friedl Helmut Dipl Ing Überwachungseinrichtung
DE102005038602B4 (de) * 2005-08-16 2019-05-09 Robert Bosch Gmbh Sicherheitseinrichtung
JP6175235B2 (ja) * 2012-12-25 2017-08-02 能美防災株式会社 火災報知設備及びそれに利用する火災感知器及び終端装置
RU2717355C1 (ru) * 2019-07-24 2020-03-23 Общество С Ограниченной Ответственностью "Форносовское Научно-Производственное Предприятие "Гефест" Устройство коммутации исполнительных элементов пожарной автоматики
CN116087726B (zh) * 2023-04-11 2023-06-27 国网四川省电力公司电力科学研究院 一种火焰通道的临界击穿距离测量装置及测量方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550120A (en) * 1968-12-09 1970-12-22 Honeywell Inc Control apparatus

Also Published As

Publication number Publication date
NO137619C (no) 1978-03-29
AU474604B2 (en) 1976-07-29
CH547531A (de) 1974-03-29
DE2328881A1 (de) 1974-01-31
US3821734A (en) 1974-06-28
DE2328881C3 (de) 1982-03-18
AU5798773A (en) 1975-01-16
CA988224A (en) 1976-04-27
GB1401146A (en) 1975-07-16
DE2328881B2 (fr) 1981-02-05
JPS5617704B2 (fr) 1981-04-23
ZA734855B (en) 1974-07-31
HK55880A (en) 1980-10-10
SE390076B (sv) 1976-11-29
FI56908C (fi) 1980-04-10
NO137619B (no) 1977-12-12
FI56908B (fi) 1979-12-31
JPS4970596A (fr) 1974-07-08
FR2193225A1 (fr) 1974-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse