NO872641D0 - Monitoring devices. - Google Patents

Monitoring devices.

Info

Publication number
NO872641D0
NO872641D0 NO872641A NO872641A NO872641D0 NO 872641 D0 NO872641 D0 NO 872641D0 NO 872641 A NO872641 A NO 872641A NO 872641 A NO872641 A NO 872641A NO 872641 D0 NO872641 D0 NO 872641D0
Authority
NO
Norway
Prior art keywords
monitoring devices
monitoring
devices
Prior art date
Application number
NO872641A
Other languages
Norwegian (no)
Other versions
NO872641L (en
Inventor
Patrik Marmet
Original Assignee
Ferco Int Usine Ferrures
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 Ferco Int Usine Ferrures filed Critical Ferco Int Usine Ferrures
Publication of NO872641D0 publication Critical patent/NO872641D0/en
Publication of NO872641L publication Critical patent/NO872641L/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/043—Monitoring of the detection circuits of fire detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
NO872641A 1986-07-11 1987-06-24 MONITORING DEVICE. NO872641L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8610245A FR2601483B1 (en) 1986-07-11 1986-07-11 MONITORING INSTALLATION COMPRISING SENSORS SUPPLIED BY A LOOP

Publications (2)

Publication Number Publication Date
NO872641D0 true NO872641D0 (en) 1987-06-24
NO872641L NO872641L (en) 1988-01-12

Family

ID=9337417

Family Applications (1)

Application Number Title Priority Date Filing Date
NO872641A NO872641L (en) 1986-07-11 1987-06-24 MONITORING DEVICE.

Country Status (6)

Country Link
EP (1) EP0253709A1 (en)
JP (1) JPS6320599A (en)
DK (1) DK358687A (en)
FI (1) FI872835A (en)
FR (1) FR2601483B1 (en)
NO (1) NO872641L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113783D0 (en) * 1991-06-26 1991-08-14 Int Computers Ltd Visual indication
GB2286735B (en) * 1994-02-05 1998-03-04 Thorn Security A monitoring system
GB2341964B (en) * 1998-09-28 2002-12-11 Apollo Fire Detectors Ltd Signalling device and monitoring system
FR2897968B1 (en) * 2006-02-24 2008-11-21 Airbus France Sas FIRE DETECTION SYSTEM AND AIRCRAFT EQUIPPED WITH SUCH A SYSTEM
CN107715362A (en) * 2017-09-08 2018-02-23 深圳市智物联网络有限公司 Fire fighting monitoring method, apparatus and system based on Internet of Things

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886534A (en) * 1973-01-08 1975-05-27 Polar Corp Security system
JPS5462800A (en) * 1977-10-28 1979-05-21 Nittan Co Ltd Light type smoke sensor having trouble detecting function
US4302753A (en) * 1978-01-26 1981-11-24 Pittway Corporation Multi-function combustion detecting device
US4306230A (en) * 1979-12-10 1981-12-15 Honeywell Inc. Self-checking photoelectric smoke detector
EP0066879A1 (en) * 1981-06-05 1982-12-15 Hekatron GmbH Circuit arrangement for the transmission of measured values to a central station, especially for a fire signalling system

Also Published As

Publication number Publication date
DK358687A (en) 1988-01-12
FI872835A (en) 1988-01-12
FR2601483A1 (en) 1988-01-15
FI872835A0 (en) 1987-06-26
EP0253709A1 (en) 1988-01-20
JPS6320599A (en) 1988-01-28
FR2601483B1 (en) 1988-09-16
DK358687D0 (en) 1987-07-10
NO872641L (en) 1988-01-12

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