CH620038A5 - Detector device, in particular for smoke - Google Patents

Detector device, in particular for smoke Download PDF

Info

Publication number
CH620038A5
CH620038A5 CH1362577A CH1362577A CH620038A5 CH 620038 A5 CH620038 A5 CH 620038A5 CH 1362577 A CH1362577 A CH 1362577A CH 1362577 A CH1362577 A CH 1362577A CH 620038 A5 CH620038 A5 CH 620038A5
Authority
CH
Switzerland
Prior art keywords
pulse
smoke
signal
light
pulses
Prior art date
Application number
CH1362577A
Other languages
German (de)
English (en)
Inventor
William J Malinowski
Original Assignee
Chloride Batterijen Bv
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 US05/742,194 external-priority patent/US4075499A/en
Priority claimed from US05/742,225 external-priority patent/US4068130A/en
Application filed by Chloride Batterijen Bv filed Critical Chloride Batterijen Bv
Publication of CH620038A5 publication Critical patent/CH620038A5/de

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means

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)
CH1362577A 1976-11-16 1977-11-08 Detector device, in particular for smoke CH620038A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/742,194 US4075499A (en) 1976-11-16 1976-11-16 Smoke detector with means for changing light pulse frequency
US05/742,225 US4068130A (en) 1976-11-16 1976-11-16 Smoke detector with means for changing light pulse frequency

Publications (1)

Publication Number Publication Date
CH620038A5 true CH620038A5 (en) 1980-10-31

Family

ID=27113981

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1362577A CH620038A5 (en) 1976-11-16 1977-11-08 Detector device, in particular for smoke

Country Status (14)

Country Link
JP (1) JPS5387282A (es)
AR (1) AR215485A1 (es)
AU (1) AU512053B2 (es)
BR (1) BR7707636A (es)
CA (1) CA1085019A (es)
CH (1) CH620038A5 (es)
DE (1) DE2751073C2 (es)
FR (1) FR2370974A1 (es)
GB (1) GB1555182A (es)
IE (1) IE46081B1 (es)
IL (1) IL52977A (es)
IN (1) IN147535B (es)
NZ (1) NZ185220A (es)
SE (1) SE421841B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939139A1 (de) * 1979-09-27 1981-04-09 Agfa-Gevaert Ag, 5090 Leverkusen Entfernungsmessvorrichtung
JPS56100343A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Photoelectric type smoke sensor
JPS6225802U (es) * 1985-07-31 1987-02-17
DE3840277C2 (de) * 1988-11-30 1997-04-17 Diehl Gmbh & Co Einrichtung zur Lokalisierung von Fahrzeugen im Gefechtsfeld
DE102014110460B3 (de) 2014-07-24 2015-05-13 Eq-3 Entwicklung Gmbh Optischer Rauchmelder und Verfahren zur optischen Rauchdetektion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating
US3917956A (en) * 1974-03-08 1975-11-04 Pyrotector Inc Smoke detector

Also Published As

Publication number Publication date
GB1555182A (en) 1979-11-07
DE2751073C2 (de) 1982-06-03
AR215485A1 (es) 1979-10-15
IN147535B (es) 1980-03-29
JPS5724501B2 (es) 1982-05-25
BR7707636A (pt) 1978-08-01
AU512053B2 (en) 1980-09-18
CA1085019A (en) 1980-09-02
IL52977A (en) 1979-09-30
IL52977A0 (en) 1977-11-30
AU3066877A (en) 1979-05-24
DE2751073A1 (de) 1978-05-24
SE421841B (sv) 1982-02-01
FR2370974B1 (es) 1983-12-23
SE7712831L (sv) 1978-05-17
FR2370974A1 (fr) 1978-06-09
IE46081L (en) 1978-05-16
IE46081B1 (en) 1983-02-09
NZ185220A (en) 1981-10-19
JPS5387282A (en) 1978-08-01

Similar Documents

Publication Publication Date Title
DE68917419T2 (de) Verfahren für Eindringalarm und System dafür.
DE3514982C2 (es)
CH643957A5 (de) Verfahren zur erfassung von aenderungen in der transmission einer strahlungsschranke und vorrichtung zur durchfuehrung des verfahrens.
EP1988517B1 (de) Gefahrenmelder mit LED
DE4310168A1 (de) Schaltung zum Alarm-Stummschalten von photoelektrischen Rauchdetektoren
DE2937707A1 (de) Rauchdetektor
DE3543992A1 (de) Feuerdetektor-einrichtung von lichtabschwaechender bauart
DE3009970A1 (de) Durch zaehlung diskriminierender feuerdetektor
DE3603568A1 (de) Flammen-detektor
DE2328872B2 (de) Ionisationsfeuermelder
DE2238085A1 (de) Ueberwachungs- und alarmgebervorrichtung
DE2923119A1 (de) Detektor fuer feuer, rauch o.dgl.
DE2018052A1 (de) Einbruch-Alarmanlage
DE2438218A1 (de) Schaltung zur unterdrueckung von stoersignalen
DE1906075C3 (de) Alarmvorrichtung und Überwachungsanlage für deren Anwendung
CH620038A5 (en) Detector device, in particular for smoke
DE1812006C3 (de) Alarmanlage
DE2448195C2 (de) Rauchdetektor
DE3144747A1 (de) Opto-elektronischer sensor mit hoher intensitaet und niedrigem leistungsverbrauch
CH634942A5 (de) Rauchmelder.
DE68925800T2 (de) Einrichtung und Verfahren zur Strahlungserfassung
DE2619710C2 (es)
DE2548568C3 (es)
DE4041825C2 (de) Alarmanlage
DE3728354C2 (es)

Legal Events

Date Code Title Description
PUE Assignment

Owner name: PYROTECTOR INCORPORATED

PL Patent ceased