ZA741787B - Improvements in ionization fire alarms - Google Patents

Improvements in ionization fire alarms

Info

Publication number
ZA741787B
ZA741787B ZA00741787A ZA741787A ZA741787B ZA 741787 B ZA741787 B ZA 741787B ZA 00741787 A ZA00741787 A ZA 00741787A ZA 741787 A ZA741787 A ZA 741787A ZA 741787 B ZA741787 B ZA 741787B
Authority
ZA
South Africa
Prior art keywords
fire alarms
ionization fire
ionization
alarms
fire
Prior art date
Application number
ZA00741787A
Inventor
H Paschedag
T 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 ZA741787B publication Critical patent/ZA741787B/en

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)
ZA00741787A 1973-04-03 1974-03-19 Improvements in ionization fire alarms ZA741787B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH474173A CH554033A (en) 1973-04-03 1973-04-03 IOMIZATION FIRE DETECTION DEVICE.

Publications (1)

Publication Number Publication Date
ZA741787B true ZA741787B (en) 1975-03-26

Family

ID=4281699

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00741787A ZA741787B (en) 1973-04-03 1974-03-19 Improvements in ionization fire alarms

Country Status (10)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE874157A (en) * 1979-02-14 1979-05-29 Inst Nat Radio Elements ION DETECTOR
US4488044A (en) * 1981-11-20 1984-12-11 Pittway Corporation Ionization chamber for smoke detector and the like
AT378431B (en) * 1983-06-30 1985-08-12 Siemens Ag Oesterreich SAMPLE CHAMBER OF CONVENTIONAL SIZE FOR INSTALLATION OF AN IONIZATION SMOKE DETECTOR INSERT
JPS60135757A (en) * 1983-12-23 1985-07-19 Hochiki Corp Gas sensor
NO158391C (en) * 1985-02-08 1988-08-31 Flaekt Ab FIRE WARNING SYSTEM FOR LIVING ROOM.
EP0405473A3 (en) * 1989-06-28 1991-05-02 Pittway Corporation Low profile detector with multi-sided source
JP2520357B2 (en) * 1993-01-29 1996-07-31 三洋電機株式会社 Automatic hair washer
JP3714926B2 (en) * 2002-08-22 2005-11-09 ホーチキ株式会社 Sampling tube smoke detector

Family Cites Families (2)

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

Also Published As

Publication number Publication date
DE2412557C3 (en) 1982-02-18
FR2224819B1 (en) 1980-01-04
AU6701374A (en) 1975-09-25
DE2412557A1 (en) 1974-10-24
DK141948C (en) 1980-12-01
DE2412557B2 (en) 1981-06-19
FI57496C (en) 1980-08-11
NO741189L (en) 1974-10-04
SE389570B (en) 1976-11-08
NO137666C (en) 1978-04-12
FR2224819A1 (en) 1974-10-31
GB1432531A (en) 1976-04-22
FI57496B (en) 1980-04-30
DK141948B (en) 1980-07-21
JPS503300A (en) 1975-01-14
NO137666B (en) 1977-12-19
CH554033A (en) 1974-09-13

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