CH572252A5 - - Google Patents

Info

Publication number
CH572252A5
CH572252A5 CH1471374A CH1471374A CH572252A5 CH 572252 A5 CH572252 A5 CH 572252A5 CH 1471374 A CH1471374 A CH 1471374A CH 1471374 A CH1471374 A CH 1471374A CH 572252 A5 CH572252 A5 CH 572252A5
Authority
CH
Switzerland
Application number
CH1471374A
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
Application filed by Nohmi Bosai Kogyo Co Ltd filed Critical Nohmi Bosai Kogyo Co Ltd
Publication of CH572252A5 publication Critical patent/CH572252A5/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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)
CH1471374A 1973-11-09 1974-11-04 CH572252A5 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1973130045U JPS5725351Y2 (pt) 1973-11-09 1973-11-09
JP1974061692U JPS5756304Y2 (pt) 1974-05-29 1974-05-29

Publications (1)

Publication Number Publication Date
CH572252A5 true CH572252A5 (pt) 1976-01-30

Family

ID=26402756

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1471374A CH572252A5 (pt) 1973-11-09 1974-11-04

Country Status (4)

Country Link
CH (1) CH572252A5 (pt)
DE (1) DE2452839B2 (pt)
FR (1) FR2251060A1 (pt)
GB (2) GB1485790A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0338218A1 (de) * 1988-03-30 1989-10-25 Cerberus Ag Verfahren zur Brandfrüherkennung
US4975684A (en) * 1988-06-10 1990-12-04 Cerberus Ag Fire detecting system

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH586941A5 (pt) * 1975-07-25 1977-04-15 Cerberus Ag
DE2702933C2 (de) * 1977-01-25 1985-08-29 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Brandmelder
JPS583272B2 (ja) * 1978-06-07 1983-01-20 ホーチキ株式会社 火災感知器
US4225860A (en) * 1979-01-15 1980-09-30 Pittway Corporation Sensitivity controlled dual input fire detector
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
EP0039761A3 (de) * 1980-05-09 1981-11-25 Cerberus Ag Verfahren zur Brandmeldung und Brandmeldeanlage
JPS5977594A (ja) * 1982-10-27 1984-05-04 ニツタン株式会社 火災警報システム
DE3337330A1 (de) * 1983-10-13 1985-04-25 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur analogen messwertuebertragung der jeweiligen brandkenngroessen eines mehrkriterien-brandmelders
US6229439B1 (en) * 1998-07-22 2001-05-08 Pittway Corporation System and method of filtering
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0338218A1 (de) * 1988-03-30 1989-10-25 Cerberus Ag Verfahren zur Brandfrüherkennung
US5005003A (en) * 1988-03-30 1991-04-02 Cerberus Ag Method of detecting fire in an early stage
US4975684A (en) * 1988-06-10 1990-12-04 Cerberus Ag Fire detecting system

Also Published As

Publication number Publication date
DE2452839B2 (de) 1978-08-24
DE2452839A1 (de) 1975-05-15
GB1485790A (en) 1977-09-14
FR2251060A1 (pt) 1975-06-06
GB1486535A (en) 1977-09-21

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Legal Events

Date Code Title Description
PL Patent ceased