LU81912A1 - Detecteur - Google Patents

Detecteur Download PDF

Info

Publication number
LU81912A1
LU81912A1 LU81912A LU81912A LU81912A1 LU 81912 A1 LU81912 A1 LU 81912A1 LU 81912 A LU81912 A LU 81912A LU 81912 A LU81912 A LU 81912A LU 81912 A1 LU81912 A1 LU 81912A1
Authority
LU
Luxembourg
Prior art keywords
ionization current
current
detector
detector according
variation
Prior art date
Application number
LU81912A
Other languages
English (en)
French (fr)
Inventor
Der Walt N Van
B Bout
T Newington
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
Publication of LU81912A1 publication Critical patent/LU81912A1/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Glass Compositions (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Spectrometry And Color Measurement (AREA)
LU81912A 1978-11-20 1979-11-19 Detecteur LU81912A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA7806519 1978-11-20
ZA786519A ZA786519B (en) 1978-11-20 1978-11-20 Detector

Publications (1)

Publication Number Publication Date
LU81912A1 true LU81912A1 (fr) 1980-04-22

Family

ID=25573664

Family Applications (1)

Application Number Title Priority Date Filing Date
LU81912A LU81912A1 (fr) 1978-11-20 1979-11-19 Detecteur

Country Status (20)

Country Link
US (1) US4423411A (de)
JP (1) JPS5572294A (de)
AU (1) AU534265B2 (de)
BE (1) BE880166A (de)
BR (1) BR7907533A (de)
CA (1) CA1148278A (de)
CH (1) CH647879A5 (de)
DE (1) DE2946507C2 (de)
DK (1) DK156785C (de)
FR (1) FR2441892A1 (de)
GB (1) GB2041534B (de)
IE (1) IE48643B1 (de)
IT (1) IT1124984B (de)
LU (1) LU81912A1 (de)
NL (1) NL182989C (de)
NO (1) NO151062C (de)
PH (1) PH21359A (de)
SE (1) SE444240B (de)
ZA (1) ZA786519B (de)
ZM (1) ZM8979A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904979A1 (de) * 1989-02-18 1990-08-23 Beyersdorf Hartwig Verfahren zum betrieb eines ionisationsrauchmelders und ionisationsrauchmelder
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm
US4904988A (en) * 1989-03-06 1990-02-27 Nesbit Charles E Toy with a smoke detector
US5563578A (en) * 1993-07-26 1996-10-08 Isenstein; Robert J. Detection of hazardous gas leakage
WO2009110015A1 (en) * 2008-03-07 2009-09-11 Bertelli & Partners S.R.L. Improved method and device to detect the flame in a burner operating on a solid, liquid or gaseous combustible
DE102014019773B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954474A (en) * 1955-04-01 1960-09-27 Nat Res Corp Measuring
CH489070A (de) * 1969-03-27 1970-04-15 Cerberus Ag Werk Fuer Elektron Ionisationsfeuermelder
JPS529998B1 (de) * 1969-04-25 1977-03-19
NO129270B (de) * 1970-05-16 1974-03-18 Preussag Ag Feuerschutz
US3964036A (en) * 1972-11-15 1976-06-15 Hochiki Corporation Ionization smoke detector co-used to issue fire alarm and detect ambient atmosphere
JPS5299099A (en) * 1976-02-16 1977-08-19 Nohmi Bosai Kogyo Co Ltd Fire detector
DE2711457C2 (de) * 1977-03-16 1985-06-27 Siemens AG, 1000 Berlin und 8000 München Ionisationsbrandmelder

Also Published As

Publication number Publication date
IT1124984B (it) 1986-05-14
NL7908429A (nl) 1980-05-22
IE792181L (en) 1980-05-20
GB2041534B (en) 1983-06-15
AU534265B2 (en) 1984-01-12
AU5294779A (en) 1980-06-12
ZM8979A1 (en) 1981-08-21
SE7909517L (sv) 1980-05-21
JPS5572294A (en) 1980-05-30
NO151062B (no) 1984-10-22
IE48643B1 (en) 1985-04-03
DE2946507C2 (de) 1986-04-10
IT7927341A0 (it) 1979-11-16
GB2041534A (en) 1980-09-10
BR7907533A (pt) 1980-08-05
NO151062C (no) 1985-01-30
NO793696L (no) 1980-05-21
US4423411A (en) 1983-12-27
DK156785B (da) 1989-10-02
PH21359A (en) 1987-10-15
CH647879A5 (de) 1985-02-15
DK156785C (da) 1990-03-05
NL182989B (nl) 1988-01-18
CA1148278A (en) 1983-06-14
FR2441892B1 (de) 1983-02-11
BE880166A (fr) 1980-03-17
SE444240B (sv) 1986-03-24
DE2946507A1 (de) 1980-05-29
NL182989C (nl) 1988-06-16
ZA786519B (en) 1980-02-27
DK490879A (da) 1980-05-21
FR2441892A1 (fr) 1980-06-13

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