SE383793B - Branddetektor, innefattande en stralningskella och ett stralningsmottagande organ - Google Patents

Branddetektor, innefattande en stralningskella och ett stralningsmottagande organ

Info

Publication number
SE383793B
SE383793B SE7310965A SE7310965A SE383793B SE 383793 B SE383793 B SE 383793B SE 7310965 A SE7310965 A SE 7310965A SE 7310965 A SE7310965 A SE 7310965A SE 383793 B SE383793 B SE 383793B
Authority
SE
Sweden
Prior art keywords
radiation
receiving body
fire detector
radiation source
radiation receiving
Prior art date
Application number
SE7310965A
Other languages
English (en)
Swedish (sv)
Inventor
W T Peberdy
E Macdonald
Original Assignee
Chubb Fire Security Ltd
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 Chubb Fire Security Ltd filed Critical Chubb Fire Security Ltd
Publication of SE383793B publication Critical patent/SE383793B/xx

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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
SE7310965A 1972-08-11 1973-08-10 Branddetektor, innefattande en stralningskella och ett stralningsmottagande organ SE383793B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3763372A GB1405615A (en) 1972-08-11 1972-08-11 Fire alarms
GB5258772 1972-11-14

Publications (1)

Publication Number Publication Date
SE383793B true SE383793B (sv) 1976-03-29

Family

ID=26263518

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7310965A SE383793B (sv) 1972-08-11 1973-08-10 Branddetektor, innefattande en stralningskella och ett stralningsmottagande organ

Country Status (17)

Country Link
JP (1) JPS49132998A (ja)
AT (1) AT347300B (ja)
AU (1) AU476368B2 (ja)
CH (1) CH560434A5 (ja)
DD (1) DD107157A5 (ja)
DE (1) DE2340041C2 (ja)
DK (1) DK144255C (ja)
ES (1) ES417739A1 (ja)
FR (1) FR2195813B3 (ja)
GB (1) GB1405615A (ja)
HK (1) HK55376A (ja)
IL (1) IL42930A (ja)
IT (1) IT990203B (ja)
MY (1) MY7600243A (ja)
NL (1) NL7311010A (ja)
NO (1) NO132564C (ja)
SE (1) SE383793B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7604502L (sv) * 1976-04-15 1977-10-16 Ericsson Telefon Ab L M Optisk branddetektor
SE395554B (sv) * 1976-09-01 1977-08-15 Ericsson Telefon Ab L M Optisk branddetektor
EP0022438B1 (de) * 1979-07-13 1983-07-20 Securiton AG Verfahren zur Feststellung von Aerosolen in Luft, welche sich in einer Prüfzone befindet sowie Gerät zur Ausführung desselben
JPS5631625A (en) * 1979-08-24 1981-03-31 Hochiki Corp Smoke detector of photoelectronic type
JPS57140925A (en) * 1981-02-24 1982-08-31 Fuji Heavy Ind Ltd Detection of clutch overheat
AU556490B2 (en) * 1982-07-29 1986-11-06 Kerr-Mcgee Corp. Production monitoring system
EP0145189B1 (en) * 1983-10-21 1990-08-08 COLE, Martin Terence Improvements relating to smoke detection apparatus
DE102004004098B3 (de) 2004-01-27 2005-09-01 Wagner Alarm- Und Sicherungssysteme Gmbh Verfahren zur Auswertung eines Streulichtsignals und Streulichtdetektor zur Durchführung des Verfahrens
CN108510701B (zh) * 2018-03-20 2019-11-22 深圳市泰和安科技有限公司 一种智能烟雾报警方法、装置及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE455987C (de) * 1924-04-11 1928-02-11 John Joseph Dowling Vorrichtung zum Anzeigen von Lichtschwankungen durch eine lichtempfindliche Zelle und ein hochempfindliches Relais
DE1024851B (de) * 1953-05-04 1958-02-20 Electronics Corp America Anzeigevorrichtung fuer Flammen
JPS4429154Y1 (ja) * 1967-04-20 1969-12-03
GB1278205A (en) * 1970-02-11 1972-06-21 Shorrock Develpoments Ltd Smoke detecting device
DE2023463B1 (de) * 1970-05-13 1971-12-30 Preussag Ag Feuerschutz Optischer Rauchdetektor

Also Published As

Publication number Publication date
ES417739A1 (es) 1976-02-16
IL42930A (en) 1976-10-31
IT990203B (it) 1975-06-20
DK144255B (da) 1982-01-25
DD107157A5 (ja) 1974-07-12
GB1405615A (en) 1975-09-10
IL42930A0 (en) 1973-11-28
HK55376A (en) 1976-09-17
DE2340041A1 (de) 1974-04-04
CH560434A5 (ja) 1975-03-27
NO132564C (ja) 1975-11-26
DE2340041C2 (de) 1984-11-29
AT347300B (de) 1978-12-27
ATA708673A (de) 1978-04-15
NL7311010A (ja) 1974-02-13
NO132564B (ja) 1975-08-18
DK144255C (da) 1982-08-16
FR2195813B3 (ja) 1975-10-31
FR2195813A1 (ja) 1974-03-08
MY7600243A (en) 1976-12-31
JPS49132998A (ja) 1974-12-20
AU476368B2 (en) 1976-09-16
AU5901373A (en) 1975-02-13

Similar Documents

Publication Publication Date Title
NL178637C (nl) Roentgenstralingsbron.
NL7600758A (nl) Richtingsgevoelige stralingsdetector.
FI53744C (fi) Golvpanel och av ett flertal paneler bestaoende dubbelgolvkonstruktion
NL7512047A (nl) Stralingsbron.
BE785796R (fr) Detecteur de
BE796763A (fr) Detecteur de deperdition d'air
BE796166A (fr) Detecteur de fumee
IT992949B (it) Rilevatore di fumi
AT326602B (de) Staubsaugermundstück
BE811715A (fr) Inhalateur
ZA726258B (en) Fire detector
SE383793B (sv) Branddetektor, innefattande en stralningskella och ett stralningsmottagande organ
FI56657B (fi) Lyftredskap saerskilt foer lyftning och transport av byggplattor saosom gips- och spaonskivor
BE797830A (fr) Detecteur de positions de feuilles
IT998849B (it) Rivelatore di ossigeno
IT996375B (it) Rivelatore di effetto christiansen
BE800441A (fr) Dosimetre
BE802702A (fr) Inhalateur
NL7613668A (nl) Stralingsdetector.
IT999463B (it) Rivelatore con ionizzazione a fiamma
CH545003A (de) Drehanoden-Röntgenröhre
FR2282628A1 (fr) Detecteur directionnel de rayonnements
SE388539B (sv) Rontgenstraldensitometer
IT1001919B (it) Rivelatore di ossigeno
AT326217B (de) Frequenzdetektor