ZA745453B - Improvements in or relating to fire detectors - Google Patents

Improvements in or relating to fire detectors

Info

Publication number
ZA745453B
ZA745453B ZA00745453A ZA745453A ZA745453B ZA 745453 B ZA745453 B ZA 745453B ZA 00745453 A ZA00745453 A ZA 00745453A ZA 745453 A ZA745453 A ZA 745453A ZA 745453 B ZA745453 B ZA 745453B
Authority
ZA
South Africa
Prior art keywords
relating
fire detectors
detectors
fire
Prior art date
Application number
ZA00745453A
Other languages
English (en)
Inventor
T Newington
Walt N Van Der
Original Assignee
Anglo Amer Corp South Africa
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 Anglo Amer Corp South Africa filed Critical Anglo Amer Corp South Africa
Priority to ZA00745453A priority Critical patent/ZA745453B/xx
Priority to IN1615/CAL/75A priority patent/IN143233B/en
Priority to GB34390/75A priority patent/GB1492193A/en
Priority to IE1827/75A priority patent/IE41452B1/en
Priority to AU84121/75A priority patent/AU501762B2/en
Priority to CH1087075A priority patent/CH600455A5/xx
Priority to NL7509918A priority patent/NL167785C/nl
Priority to DE2537598A priority patent/DE2537598C3/de
Priority to IT26556/75A priority patent/IT1042015B/it
Priority to BR7505431*A priority patent/BR7505431A/pt
Priority to LU73252A priority patent/LU73252A1/xx
Priority to CA234,041A priority patent/CA1042088A/en
Priority to SU752167381A priority patent/SU703038A3/ru
Priority to PH17497A priority patent/PH11514A/en
Priority to NO75752918A priority patent/NO138307C/no
Priority to FR7526259A priority patent/FR2283492A1/fr
Priority to YU2167/75A priority patent/YU37410B/xx
Priority to BE159485A priority patent/BE832768A/xx
Priority to DK384275AA priority patent/DK136793B/da
Priority to JP10336475A priority patent/JPS5635236B2/ja
Priority to SE7509478A priority patent/SE439209B/xx
Publication of ZA745453B publication Critical patent/ZA745453B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
    • 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)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Business, Economics & Management (AREA)
  • Biochemistry (AREA)
  • Emergency Management (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Control Of Combustion (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Fire Alarms (AREA)
ZA00745453A 1974-08-26 1974-08-26 Improvements in or relating to fire detectors ZA745453B (en)

Priority Applications (21)

Application Number Priority Date Filing Date Title
ZA00745453A ZA745453B (en) 1974-08-26 1974-08-26 Improvements in or relating to fire detectors
IN1615/CAL/75A IN143233B (nl) 1974-08-26 1975-08-19
GB34390/75A GB1492193A (en) 1974-08-26 1975-08-19 Fire detectors
IE1827/75A IE41452B1 (en) 1974-08-26 1975-08-19 Improvements in or relating to fire detectors
AU84121/75A AU501762B2 (en) 1974-08-26 1975-08-20 Ionization smoke detector
CH1087075A CH600455A5 (nl) 1974-08-26 1975-08-21
NL7509918A NL167785C (nl) 1974-08-26 1975-08-21 Branddetectie-inrichting.
DE2537598A DE2537598C3 (de) 1974-08-26 1975-08-23 Feuerdetektor
IT26556/75A IT1042015B (it) 1974-08-26 1975-08-25 Perfezionamenti negli apparecchi rivelatori di incendi
BR7505431*A BR7505431A (pt) 1974-08-26 1975-08-25 Aperfeicoamento em detector de incendio
LU73252A LU73252A1 (nl) 1974-08-26 1975-08-25
CA234,041A CA1042088A (en) 1974-08-26 1975-08-25 Fire detectors
SU752167381A SU703038A3 (ru) 1974-08-26 1975-08-25 Газоанализатор
PH17497A PH11514A (en) 1974-08-26 1975-08-25 Improvements in or relating to fire detectors
NO75752918A NO138307C (no) 1974-08-26 1975-08-25 Branndetektor.
FR7526259A FR2283492A1 (fr) 1974-08-26 1975-08-26 Detecteur de flamme perfectionne
YU2167/75A YU37410B (en) 1974-08-26 1975-08-26 Fire detector
BE159485A BE832768A (fr) 1974-08-26 1975-08-26 Perfectionnements relatifs aux detecteurs d'incendie
DK384275AA DK136793B (da) 1974-08-26 1975-08-26 Branddetektor.
JP10336475A JPS5635236B2 (nl) 1974-08-26 1975-08-26
SE7509478A SE439209B (sv) 1974-08-26 1975-08-26 Branddetektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00745453A ZA745453B (en) 1974-08-26 1974-08-26 Improvements in or relating to fire detectors

Publications (1)

Publication Number Publication Date
ZA745453B true ZA745453B (en) 1976-04-28

Family

ID=25568066

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00745453A ZA745453B (en) 1974-08-26 1974-08-26 Improvements in or relating to fire detectors

Country Status (21)

Country Link
JP (1) JPS5635236B2 (nl)
AU (1) AU501762B2 (nl)
BE (1) BE832768A (nl)
BR (1) BR7505431A (nl)
CA (1) CA1042088A (nl)
CH (1) CH600455A5 (nl)
DE (1) DE2537598C3 (nl)
DK (1) DK136793B (nl)
FR (1) FR2283492A1 (nl)
GB (1) GB1492193A (nl)
IE (1) IE41452B1 (nl)
IN (1) IN143233B (nl)
IT (1) IT1042015B (nl)
LU (1) LU73252A1 (nl)
NL (1) NL167785C (nl)
NO (1) NO138307C (nl)
PH (1) PH11514A (nl)
SE (1) SE439209B (nl)
SU (1) SU703038A3 (nl)
YU (1) YU37410B (nl)
ZA (1) ZA745453B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2711457C2 (de) * 1977-03-16 1985-06-27 Siemens AG, 1000 Berlin und 8000 München Ionisationsbrandmelder
CH681932A5 (nl) * 1990-12-04 1993-06-15 Cerberus Ag
CH682423A5 (de) * 1991-03-13 1993-09-15 Asea Brown Boveri Verfahren und Vorrichtung zur Messung der Konzentration von in einem Gas befindlichen Partikeln.
DE102004020489B4 (de) * 2004-04-26 2007-06-28 Minimax Gmbh & Co. Kg Brandmelder für Einsatz in Außenatmosphäre
CN110185461A (zh) * 2019-06-28 2019-08-30 中交路桥建设有限公司 实时探测隧道地质条件的盾构机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408051A (en) * 1942-04-04 1946-09-24 American District Telegraph Co Fire and smoke detector and the like
DE2204930C3 (de) * 1971-02-08 1974-06-20 Veb Rft Messelektronik Otto Schoen, X 8016 Dresden Ionisationsfeuermelder
JPS485979U (nl) * 1971-06-04 1973-01-23

Also Published As

Publication number Publication date
NL167785B (nl) 1981-08-17
NL7509918A (nl) 1976-03-01
JPS5635236B2 (nl) 1981-08-15
SE7509478L (sv) 1976-02-27
PH11514A (en) 1978-02-01
FR2283492B1 (nl) 1979-05-04
DE2537598A1 (de) 1976-03-11
NO138307C (no) 1978-08-16
NL167785C (nl) 1982-01-18
YU216775A (en) 1983-04-27
AU8412175A (en) 1977-02-24
IT1042015B (it) 1980-01-30
JPS5149784A (nl) 1976-04-30
CA1042088A (en) 1978-11-07
LU73252A1 (nl) 1976-05-31
SE439209B (sv) 1985-06-03
DK136793B (da) 1977-11-21
NO752918L (nl) 1976-02-27
SU703038A3 (ru) 1979-12-05
IE41452B1 (en) 1980-01-02
IN143233B (nl) 1977-10-22
BE832768A (fr) 1975-12-16
GB1492193A (en) 1977-11-16
DK384275A (nl) 1976-02-27
YU37410B (en) 1984-08-31
DE2537598C3 (de) 1984-12-20
IE41452L (en) 1976-02-26
FR2283492A1 (fr) 1976-03-26
AU501762B2 (en) 1979-06-28
BR7505431A (pt) 1976-08-03
CH600455A5 (nl) 1978-06-15
DK136793C (nl) 1978-04-24
NO138307B (no) 1978-05-02
DE2537598B2 (de) 1980-11-06

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