FR2224819B1 - - Google Patents

Info

Publication number
FR2224819B1
FR2224819B1 FR7409097A FR7409097A FR2224819B1 FR 2224819 B1 FR2224819 B1 FR 2224819B1 FR 7409097 A FR7409097 A FR 7409097A FR 7409097 A FR7409097 A FR 7409097A FR 2224819 B1 FR2224819 B1 FR 2224819B1
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
FR7409097A
Other versions
FR2224819A1 (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 FR2224819A1 publication Critical patent/FR2224819A1/fr
Application granted granted Critical
Publication of FR2224819B1 publication Critical patent/FR2224819B1/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
    • 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)
  • Fire Alarms (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
FR7409097A 1973-04-03 1974-03-18 Expired FR2224819B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH474173A CH554033A (de) 1973-04-03 1973-04-03 Iomisations-feuermelde-einrichtung.

Publications (2)

Publication Number Publication Date
FR2224819A1 FR2224819A1 (fr) 1974-10-31
FR2224819B1 true FR2224819B1 (fr) 1980-01-04

Family

ID=4281699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7409097A Expired FR2224819B1 (fr) 1973-04-03 1974-03-18

Country Status (10)

Country Link
JP (1) JPS503300A (fr)
CH (1) CH554033A (fr)
DE (1) DE2412557C3 (fr)
DK (1) DK141948B (fr)
FI (1) FI57496C (fr)
FR (1) FR2224819B1 (fr)
GB (1) GB1432531A (fr)
NO (1) NO137666C (fr)
SE (1) SE389570B (fr)
ZA (1) ZA741787B (fr)

Families Citing this family (8)

* 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
US4488044A (en) * 1981-11-20 1984-12-11 Pittway Corporation Ionization chamber for smoke detector and the like
AT378431B (de) * 1983-06-30 1985-08-12 Siemens Ag Oesterreich Probenkammer herkoemmlicher groesse zum einbau eines ionisations-rauchmelder-einsatzes
JPS60135757A (ja) * 1983-12-23 1985-07-19 Hochiki Corp ガスセンサ
NO158391C (no) * 1985-02-08 1988-08-31 Flaekt Ab Brannvarslingssystem for oppholdsrom.
EP0405473A3 (en) * 1989-06-28 1991-05-02 Pittway Corporation Low profile detector with multi-sided source
JP2520357B2 (ja) * 1993-01-29 1996-07-31 三洋電機株式会社 自動洗髪機
JP3714926B2 (ja) * 2002-08-22 2005-11-09 ホーチキ株式会社 サンプリング管式煙検知器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL224264A (fr) * 1957-10-24
CH486082A (de) * 1969-05-19 1970-02-15 Cerberus Ag Ionisationsfeuermelder

Also Published As

Publication number Publication date
SE389570B (sv) 1976-11-08
JPS503300A (fr) 1975-01-14
GB1432531A (en) 1976-04-22
AU6701374A (en) 1975-09-25
FI57496B (fi) 1980-04-30
DK141948C (fr) 1980-12-01
NO741189L (no) 1974-10-04
NO137666B (no) 1977-12-19
CH554033A (de) 1974-09-13
DE2412557C3 (de) 1982-02-18
FR2224819A1 (fr) 1974-10-31
FI57496C (fi) 1980-08-11
DK141948B (da) 1980-07-21
ZA741787B (en) 1975-03-26
DE2412557B2 (de) 1981-06-19
DE2412557A1 (de) 1974-10-24
NO137666C (no) 1978-04-12

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Legal Events

Date Code Title Description
ST Notification of lapse