IT1094274B - IONIZATION FIRE ALARM - Google Patents

IONIZATION FIRE ALARM

Info

Publication number
IT1094274B
IT1094274B IT21086/78A IT2108678A IT1094274B IT 1094274 B IT1094274 B IT 1094274B IT 21086/78 A IT21086/78 A IT 21086/78A IT 2108678 A IT2108678 A IT 2108678A IT 1094274 B IT1094274 B IT 1094274B
Authority
IT
Italy
Prior art keywords
fire alarm
ionization fire
ionization
alarm
fire
Prior art date
Application number
IT21086/78A
Other languages
Italian (it)
Other versions
IT7821086A0 (en
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of IT7821086A0 publication Critical patent/IT7821086A0/en
Application granted granted Critical
Publication of IT1094274B publication Critical patent/IT1094274B/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

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)
IT21086/78A 1977-03-16 1978-03-10 IONIZATION FIRE ALARM IT1094274B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2711457A DE2711457C2 (en) 1977-03-16 1977-03-16 Ionization fire detector

Publications (2)

Publication Number Publication Date
IT7821086A0 IT7821086A0 (en) 1978-03-10
IT1094274B true IT1094274B (en) 1985-07-26

Family

ID=6003797

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21086/78A IT1094274B (en) 1977-03-16 1978-03-10 IONIZATION FIRE ALARM

Country Status (11)

Country Link
AT (1) AT363014B (en)
BE (1) BE864974A (en)
CH (1) CH625071A5 (en)
DE (1) DE2711457C2 (en)
DK (1) DK142515C (en)
FR (1) FR2384307A1 (en)
IT (1) IT1094274B (en)
LU (1) LU79226A1 (en)
NL (1) NL7802821A (en)
NO (1) NO141008C (en)
SE (1) SE438385B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA786519B (en) * 1978-11-20 1980-02-27 Anglo Amer Corp South Africa Detector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1490273A (en) * 1966-03-30 1967-07-28 Nittan Co Ltd Automatic fire alarm device using an ion device
GB1280304A (en) * 1968-09-26 1972-07-05 Hochiki Co A smoke sensing detector for smoke sensing apparatus
JPS529998B1 (en) * 1969-04-25 1977-03-19
ZA734995B (en) * 1973-07-23 1974-10-30 Anglo Amer Corp South Africa Improvemente in or relating to fire detectors
ZA745453B (en) * 1974-08-26 1976-04-28 Anglo Amer Corp South Africa Improvements in or relating to fire detectors

Also Published As

Publication number Publication date
FR2384307B1 (en) 1982-07-16
DK116878A (en) 1978-09-17
CH625071A5 (en) 1981-08-31
FR2384307A1 (en) 1978-10-13
NO780876L (en) 1978-09-19
DK142515B (en) 1980-11-10
NL7802821A (en) 1978-09-19
DK142515C (en) 1981-08-03
SE438385B (en) 1985-04-15
NO141008C (en) 1979-12-19
IT7821086A0 (en) 1978-03-10
SE7802995L (en) 1978-09-17
BE864974A (en) 1978-09-18
NO141008B (en) 1979-09-10
DE2711457C2 (en) 1985-06-27
ATA177678A (en) 1980-11-15
DE2711457A1 (en) 1978-09-21
AT363014B (en) 1981-07-10
LU79226A1 (en) 1978-11-27

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