DE2615412A1 - Brandmelder - Google Patents

Brandmelder

Info

Publication number
DE2615412A1
DE2615412A1 DE19762615412 DE2615412A DE2615412A1 DE 2615412 A1 DE2615412 A1 DE 2615412A1 DE 19762615412 DE19762615412 DE 19762615412 DE 2615412 A DE2615412 A DE 2615412A DE 2615412 A1 DE2615412 A1 DE 2615412A1
Authority
DE
Germany
Prior art keywords
fire
threshold value
fire detector
detector according
amplifier
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19762615412
Other languages
German (de)
English (en)
Inventor
Kenshiro Saka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai Kogyo Co 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
Priority claimed from JP1973130045U external-priority patent/JPS5725351Y2/ja
Priority claimed from JP1974061692U external-priority patent/JPS5756304Y2/ja
Priority claimed from JP4890675U external-priority patent/JPS5727111Y2/ja
Application filed by Nohmi Bosai Kogyo Co Ltd filed Critical Nohmi Bosai Kogyo Co Ltd
Publication of DE2615412A1 publication Critical patent/DE2615412A1/de
Withdrawn legal-status Critical Current

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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
DE19762615412 1973-11-09 1976-04-08 Brandmelder Withdrawn DE2615412A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1973130045U JPS5725351Y2 (https=) 1973-11-09 1973-11-09
JP1974061692U JPS5756304Y2 (https=) 1974-05-29 1974-05-29
JP4890675U JPS5727111Y2 (https=) 1975-04-11 1975-04-11

Publications (1)

Publication Number Publication Date
DE2615412A1 true DE2615412A1 (de) 1976-10-21

Family

ID=27293456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762615412 Withdrawn DE2615412A1 (de) 1973-11-09 1976-04-08 Brandmelder

Country Status (4)

Country Link
CH (1) CH583946A5 (https=)
DE (1) DE2615412A1 (https=)
FR (1) FR2307319A2 (https=)
GB (1) GB1543764A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316184A (en) * 1979-07-27 1982-02-16 Pittway Corporation Combination combustion-products detector
US4401978A (en) * 1979-02-21 1983-08-30 The Gamewell Corporation Combination detector
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039761A3 (de) * 1980-05-09 1981-11-25 Cerberus Ag Verfahren zur Brandmeldung und Brandmeldeanlage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430220A (en) * 1965-09-15 1969-02-25 Clairex Electronics Inc Fire detector
US3611335A (en) * 1968-11-13 1971-10-05 Bbk Electronics Inc Multiple combustion sensing device with false alarm prevention

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401978A (en) * 1979-02-21 1983-08-30 The Gamewell Corporation Combination detector
US4316184A (en) * 1979-07-27 1982-02-16 Pittway Corporation Combination combustion-products detector
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Also Published As

Publication number Publication date
CH583946A5 (https=) 1977-01-14
GB1543764A (en) 1979-04-04
FR2307319A2 (fr) 1976-11-05

Similar Documents

Publication Publication Date Title
CH643948A5 (de) Auf temperaturaenderungen ansprechende einrichtung.
CH677413A5 (https=)
DE2328881C3 (de) Feuermeldeanlage
DE1946379A1 (de) Vorrichtung zur Feststellung von reflektierenden Teilchen in einem lichtdurchlaessigen Medium,insbesondere zur Verwendung als Feuer- und Rauchdetektor
DE1957172A1 (de) Feueralarmsystem
DE2328872B2 (de) Ionisationsfeuermelder
DE1943328A1 (de) Flammendetektor
DE2223032A1 (de) Elektronische Feststellungs- und Steueranordnung
DE2615412A1 (de) Brandmelder
DE2452839A1 (de) Brandmelder
DE69120220T2 (de) Verbessertes System für Triacimpulssteuerung in Verbindung mit einem Fühler
DE2014444A1 (de) Regelschaltung für eine flexible Heizvorrichtung
DE2519267A1 (de) Brandmelder
DE2729599A1 (de) Detektor mit ionisationskammer
DE1566721B1 (de) Elektrische Rauchgasalarmvorrichtung
DE1589987A1 (de) Ionisationskammeranzeigevorrichtung
DE1039149B (de) Strahlungs- und/oder Waermedetektor mit einem Grenzschichttransistor
DE2019791A1 (de) Ionisations-Rauchfuehler
EP0098326B1 (de) Schaltungsanordnung für eine Gefahrenmeldeanlage
DE2107862B2 (de) Elektronischer Schaltkreis, der auf eine Widerstandsänderung eines Widerstands-Fühlelements anspricht
DE2937686A1 (de) Kombinationsdetektor
DE2703233A1 (de) Brandmelder
DE2721853A1 (de) Brandalarmsystem
DE2454196A1 (de) Brandmelder
DE1763847A1 (de) Elektrisches Steuersystem,Ein-Aus

Legal Events

Date Code Title Description
8141 Disposal/no request for examination