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DE3147775A1 - Method for detecting fire - Google Patents

Method for detecting fire

Info

Publication number
DE3147775A1
DE3147775A1 DE19813147775 DE3147775A DE3147775A1 DE 3147775 A1 DE3147775 A1 DE 3147775A1 DE 19813147775 DE19813147775 DE 19813147775 DE 3147775 A DE3147775 A DE 3147775A DE 3147775 A1 DE3147775 A1 DE 3147775A1
Authority
DE
GERMANY
Prior art keywords
microwave radiation
method
detecting fire
fire
flames
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Withdrawn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
DE19813147775
Other languages
German (de)
Inventor
Rainer Dr Ing Portscht
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.)
Licentia Patent-Verwaltungs-GmbH
Original Assignee
Licentia Patent-Verwaltungs-GmbH
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 Licentia Patent-Verwaltungs-GmbH filed Critical Licentia Patent-Verwaltungs-GmbH
Priority to DE19813147775 priority Critical patent/DE3147775A1/en
Publication of DE3147775A1 publication Critical patent/DE3147775A1/en
Application status is Withdrawn legal-status Critical

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 infra-red radiation or of ions

Abstract

In order to detect fire or monitor flames, the microwave radiation emitted from the location to be monitored is evaluated, use preferably being made of the difference or the quotient of the energy of the received microwave radiation with respect to the microwave radiation equivalent to room temperature.
DE19813147775 1981-12-03 1981-12-03 Method for detecting fire Withdrawn DE3147775A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813147775 DE3147775A1 (en) 1981-12-03 1981-12-03 Method for detecting fire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813147775 DE3147775A1 (en) 1981-12-03 1981-12-03 Method for detecting fire

Publications (1)

Publication Number Publication Date
DE3147775A1 true DE3147775A1 (en) 1983-06-09

Family

ID=6147749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813147775 Withdrawn DE3147775A1 (en) 1981-12-03 1981-12-03 Method for detecting fire

Country Status (1)

Country Link
DE (1) DE3147775A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008153590A1 (en) * 2007-06-15 2008-12-18 Icove And Associates, Llc Passive microwave fire and intrusion detection system
EP2048636A1 (en) 2007-10-05 2009-04-15 Robert Bosch Gmbh Fire alarm
US8049620B2 (en) 2007-06-15 2011-11-01 Icove And Associates, Llc Passive microwave fire and intrusion detection system including black body and spectral emission at the hydrogen, hydroxyl and hydrogen chloride lines
US8493212B2 (en) 2007-06-15 2013-07-23 Icore and Associates, LLC Passive microwave system and method for protecting a structure from fire threats

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008153590A1 (en) * 2007-06-15 2008-12-18 Icove And Associates, Llc Passive microwave fire and intrusion detection system
US7724134B2 (en) 2007-06-15 2010-05-25 Icove And Associates, Llc Passive microwave fire and intrusion detection system
US8049620B2 (en) 2007-06-15 2011-11-01 Icove And Associates, Llc Passive microwave fire and intrusion detection system including black body and spectral emission at the hydrogen, hydroxyl and hydrogen chloride lines
US8212671B2 (en) 2007-06-15 2012-07-03 Icove And Associates, Llc Passive microwave fire and intrusion detection system
US8493212B2 (en) 2007-06-15 2013-07-23 Icore and Associates, LLC Passive microwave system and method for protecting a structure from fire threats
US9123220B2 (en) 2007-06-15 2015-09-01 Icove And Associates, Llc Passive microwave system and method for protecting a structure from fire threats
EP2048636A1 (en) 2007-10-05 2009-04-15 Robert Bosch Gmbh Fire alarm

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee