NO130034B - - Google Patents

Download PDF

Info

Publication number
NO130034B
NO130034B NO373571A NO373571A NO130034B NO 130034 B NO130034 B NO 130034B NO 373571 A NO373571 A NO 373571A NO 373571 A NO373571 A NO 373571A NO 130034 B NO130034 B NO 130034B
Authority
NO
Norway
Prior art keywords
signal
flapping
measurement
fire
energy density
Prior art date
Application number
NO373571A
Other languages
English (en)
Norwegian (no)
Inventor
H Beyersdorf
H Poehlsen
Original Assignee
Preussag Ag Feuerschutz
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
Priority claimed from DE19702049968 external-priority patent/DE2049968C3/de
Priority claimed from DE19702051640 external-priority patent/DE2051640B2/de
Application filed by Preussag Ag Feuerschutz filed Critical Preussag Ag Feuerschutz
Publication of NO130034B publication Critical patent/NO130034B/no

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/12Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Control Of Combustion (AREA)
NO373571A 1970-10-12 1971-10-11 NO130034B (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19702049968 DE2049968C3 (de) 1970-10-12 Verfahren zur Flammenmeldung sowie Flammenmelder zur Durchführung des Verfahrens
DE19702051640 DE2051640B2 (de) 1970-10-21 1970-10-21 Verfahren zur flammenmeldung und flammenmelder zur durchfuehrung des verfahrens
DE19712108296 DE2108296C2 (de) 1971-02-20 Verfahren zur Flammenmeldung und Flammenmelder zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
NO130034B true NO130034B (enrdf_load_stackoverflow) 1974-06-24

Family

ID=27182926

Family Applications (1)

Application Number Title Priority Date Filing Date
NO373571A NO130034B (enrdf_load_stackoverflow) 1970-10-12 1971-10-11

Country Status (6)

Country Link
BE (1) BE773813A (enrdf_load_stackoverflow)
CH (1) CH534404A (enrdf_load_stackoverflow)
FR (1) FR2110371B1 (enrdf_load_stackoverflow)
GB (1) GB1369461A (enrdf_load_stackoverflow)
IT (1) IT939979B (enrdf_load_stackoverflow)
NO (1) NO130034B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6373393B1 (en) * 1998-06-02 2002-04-16 Hochiki Kabushiki Kaisha Flame detection device and flame detection
GB201105889D0 (en) * 2011-04-07 2011-05-18 Popper James S Fire detector

Also Published As

Publication number Publication date
IT939979B (it) 1973-02-10
FR2110371B1 (enrdf_load_stackoverflow) 1974-09-27
CH534404A (de) 1973-02-28
FR2110371A1 (enrdf_load_stackoverflow) 1972-06-02
BE773813A (fr) 1972-01-31
GB1369461A (en) 1974-10-09

Similar Documents

Publication Publication Date Title
EP3091517A1 (de) Offener streulichtrauchmelder sowie prüfgerät für einen derartigen offenen streulichtrauchmelder
EP0654770B1 (de) Anordnung zur Früherkennung von Bränden
US5495112A (en) Flame detector self diagnostic system employing a modulated optical signal in composite with a flame detection signal
US20090261809A1 (en) Testing device including low-pass filter with automatically switching function
EP1366477A1 (de) Verfahren zur branderkennung
NO130034B (enrdf_load_stackoverflow)
EP0130992B1 (de) Photoelektrischer rauchdetektor
EP3064910B1 (de) Radiometrischer Detektor zur Erfassung einer Messgröße
US3321630A (en) System for the detection of high intensity light flashes
US3303425A (en) Binary detection system
KR900001161A (ko) Dtmf 수신기
WO2018050425A1 (de) Feldgerät mit einem optoelektronischen bedienelement sowie verfahren zur detektion einer berührung an dem bedienelement
US4535460A (en) Method and apparatus to filter pulsed RF signals
DE10341008A1 (de) Optoelektronische Vorrichtung
DE2510829B2 (de) Fotoelektrischer Pulsabnehmer
EP2664896A1 (en) Device for rendering electrical signals highly immune to noise
CN114826578B (zh) 码型效应校准方法、装置、电子设备及介质
CN107923984B (zh) 用于探测信号脉冲的方法和装置
DE2049968C3 (de) Verfahren zur Flammenmeldung sowie Flammenmelder zur Durchführung des Verfahrens
US3588716A (en) Method and apparatus for detecting when the spectrum of a pulse signal is centered in the passband of a receiver
SU978381A2 (ru) Устройство обработки импульсных сигналов с неизвестной начальной фазой и длительностью
DE2528016A1 (de) Vorrichtung fuer die ueberwachung der qualitaet von richtfunkverbindungen
DE102017120015A1 (de) Schaltungsanordnung zur Leitungsbrucherkennung für kontinuierlich abtastende Messsysteme
EP2639590A1 (en) Wide range, high resolution frequency monitor
SU995342A1 (ru) Селектор импульсных помех