FI57496C - Brandalarmanordning - Google Patents

Brandalarmanordning Download PDF

Info

Publication number
FI57496C
FI57496C FI1013/74A FI101374A FI57496C FI 57496 C FI57496 C FI 57496C FI 1013/74 A FI1013/74 A FI 1013/74A FI 101374 A FI101374 A FI 101374A FI 57496 C FI57496 C FI 57496C
Authority
FI
Finland
Prior art keywords
air
electrodes
ionization
ionization chamber
fire alarm
Prior art date
Application number
FI1013/74A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI57496B (fi
Inventor
Hansjoachim Paschedag
Thomas Lampart
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 FI57496B publication Critical patent/FI57496B/fi
Application granted granted Critical
Publication of FI57496C publication Critical patent/FI57496C/fi

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fire Alarms (AREA)
FI1013/74A 1973-04-03 1974-04-02 Brandalarmanordning FI57496C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH474173A CH554033A (de) 1973-04-03 1973-04-03 Iomisations-feuermelde-einrichtung.
CH474173 1973-04-03

Publications (2)

Publication Number Publication Date
FI57496B FI57496B (fi) 1980-04-30
FI57496C true FI57496C (fi) 1980-08-11

Family

ID=4281699

Family Applications (1)

Application Number Title Priority Date Filing Date
FI1013/74A FI57496C (fi) 1973-04-03 1974-04-02 Brandalarmanordning

Country Status (10)

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

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 (xx) * 1957-10-24
CH486082A (de) * 1969-05-19 1970-02-15 Cerberus Ag Ionisationsfeuermelder

Also Published As

Publication number Publication date
FI57496B (fi) 1980-04-30
GB1432531A (en) 1976-04-22
NO137666C (no) 1978-04-12
DK141948C (xx) 1980-12-01
DK141948B (da) 1980-07-21
JPS503300A (xx) 1975-01-14
CH554033A (de) 1974-09-13
FR2224819B1 (xx) 1980-01-04
DE2412557B2 (de) 1981-06-19
DE2412557C3 (de) 1982-02-18
NO741189L (no) 1974-10-04
FR2224819A1 (xx) 1974-10-31
AU6701374A (en) 1975-09-25
NO137666B (no) 1977-12-19
ZA741787B (en) 1975-03-26
DE2412557A1 (de) 1974-10-24
SE389570B (sv) 1976-11-08

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