SE402660B - Brandalarmanleggning - Google Patents

Brandalarmanleggning

Info

Publication number
SE402660B
SE402660B SE7015288A SE1528870A SE402660B SE 402660 B SE402660 B SE 402660B SE 7015288 A SE7015288 A SE 7015288A SE 1528870 A SE1528870 A SE 1528870A SE 402660 B SE402660 B SE 402660B
Authority
SE
Sweden
Prior art keywords
fireplace
facility
fireplace facility
Prior art date
Application number
SE7015288A
Other languages
English (en)
Swedish (sv)
Inventor
B Gysell
G Nilvid
K-A Nilsson
Original Assignee
Securitas Int Ab
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 Securitas Int Ab filed Critical Securitas Int Ab
Priority to SE7015288A priority Critical patent/SE402660B/xx
Priority to DE19712154537 priority patent/DE2154537A1/de
Priority to NL7115165A priority patent/NL7115165A/xx
Priority to US00196045A priority patent/US3832678A/en
Priority to GB5173171A priority patent/GB1338690A/en
Priority to CH1620671A priority patent/CH540539A/de
Priority to BE775169A priority patent/BE775169A/xx
Priority to NO4153/71A priority patent/NO131693C/no
Priority to FI3212/71A priority patent/FI53762C/fi
Priority to DK551671AA priority patent/DK129069B/da
Publication of SE402660B publication Critical patent/SE402660B/xx

Links

Classifications

    • 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
    • G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
SE7015288A 1970-11-12 1970-11-12 Brandalarmanleggning SE402660B (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE7015288A SE402660B (sv) 1970-11-12 1970-11-12 Brandalarmanleggning
DE19712154537 DE2154537A1 (de) 1970-11-12 1971-11-03 Feuermeldeanlage
NL7115165A NL7115165A (es) 1970-11-12 1971-11-03
US00196045A US3832678A (en) 1970-11-12 1971-11-05 Fire alarm system
GB5173171A GB1338690A (en) 1970-11-12 1971-11-08 Fire alarm system
CH1620671A CH540539A (de) 1970-11-12 1971-11-08 Feuermeldeanlage
BE775169A BE775169A (fr) 1970-11-12 1971-11-10 Systeme avertisseur d'incendie
NO4153/71A NO131693C (es) 1970-11-12 1971-11-10
FI3212/71A FI53762C (fi) 1970-11-12 1971-11-10 Brandalarmanlaeggning
DK551671AA DK129069B (da) 1970-11-12 1971-11-11 Brandalarmanlæg.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7015288A SE402660B (sv) 1970-11-12 1970-11-12 Brandalarmanleggning

Publications (1)

Publication Number Publication Date
SE402660B true SE402660B (sv) 1978-07-10

Family

ID=20300437

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7015288A SE402660B (sv) 1970-11-12 1970-11-12 Brandalarmanleggning

Country Status (10)

Country Link
US (1) US3832678A (es)
BE (1) BE775169A (es)
CH (1) CH540539A (es)
DE (1) DE2154537A1 (es)
DK (1) DK129069B (es)
FI (1) FI53762C (es)
GB (1) GB1338690A (es)
NL (1) NL7115165A (es)
NO (1) NO131693C (es)
SE (1) SE402660B (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991413A (en) * 1975-06-23 1976-11-09 Berger Philip H Constant current detector system
DE2638068C3 (de) * 1976-08-24 1986-11-13 Siemens AG, 1000 Berlin und 8000 München Brandmeldeanlage mit mehreren über eine Meldeschleife betreibbaren Meldern
DE2641489C2 (de) * 1976-09-15 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Übertragung von Meßwerten in einem Brandmeldesystem
US4110683A (en) * 1977-07-08 1978-08-29 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Apparatus including a plurality of spaced transformers for locating short circuits in cables
US4287515A (en) * 1979-04-27 1981-09-01 Baker Industries, Inc. Fire detection system with multiple output signals
JPS595955B2 (ja) * 1979-07-27 1984-02-08 ホーチキ株式会社 火災報知機
DE2935335C2 (de) * 1979-08-31 1985-08-08 Siemens AG, 1000 Berlin und 8000 München Gleichstrommeldeanlage
DE3043357C2 (de) * 1980-11-17 1985-01-17 Siemens AG, 1000 Berlin und 8000 München Verfahren und Vorrichtung zur Widerstandsmessung an einer Meldeleitung
DK346982A (da) * 1981-02-06 1983-02-07 Inst For Ind Res & Standards Metode og apparat til identifikation af placeringen af en tilstandsaendring i en del af et elektrisk kredsloeb
JPS58134392A (ja) * 1982-02-04 1983-08-10 ニツタン株式会社 火災報知装置
DE3677339D1 (de) * 1985-11-26 1991-03-07 Siemens Ag Gefahrenmeldeanlage.
DE3719988A1 (de) * 1987-06-15 1988-12-29 Total Feuerschutz Gmbh Einzelidentifikation
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
US9437093B2 (en) * 2011-10-06 2016-09-06 Microchip Technology Incorporated Differential current measurements to determine ION current in the presence of leakage current
US9252769B2 (en) 2011-10-07 2016-02-02 Microchip Technology Incorporated Microcontroller with optimized ADC controller
US9257980B2 (en) 2011-10-06 2016-02-09 Microchip Technology Incorporated Measuring capacitance of a capacitive sensor with a microcontroller having digital outputs for driving a guard ring
US8847802B2 (en) 2011-10-06 2014-09-30 Microchip Technology Incorporated Microcontroller ADC with a variable sample and hold capacitor
US9467141B2 (en) 2011-10-07 2016-10-11 Microchip Technology Incorporated Measuring capacitance of a capacitive sensor with a microcontroller having an analog output for driving a guard ring
US9071264B2 (en) 2011-10-06 2015-06-30 Microchip Technology Incorporated Microcontroller with sequencer driven analog-to-digital converter
US9176088B2 (en) 2011-12-14 2015-11-03 Microchip Technology Incorporated Method and apparatus for detecting smoke in an ion chamber
US9189940B2 (en) 2011-12-14 2015-11-17 Microchip Technology Incorporated Method and apparatus for detecting smoke in an ion chamber
US9207209B2 (en) 2011-12-14 2015-12-08 Microchip Technology Incorporated Method and apparatus for detecting smoke in an ion chamber
US9823280B2 (en) 2011-12-21 2017-11-21 Microchip Technology Incorporated Current sensing with internal ADC capacitor
US8884771B2 (en) 2012-08-01 2014-11-11 Microchip Technology Incorporated Smoke detection using change in permittivity of capacitor air dielectric
CA3006178C (en) 2018-05-25 2021-02-02 Stephen D. Ainsworth Fire alarm testing device and method
US10210747B1 (en) * 2018-05-25 2019-02-19 Stephen David Ainsworth Fire alarm testing device and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268881A (en) * 1963-08-01 1966-08-23 Alfred W Vasel Detection device
CH468682A (de) * 1967-06-26 1969-02-15 Cerberus Ag Feuermeldeanlage
GB1178957A (en) * 1968-04-29 1970-01-28 Goodwin Alfred George Ive Improvements in and relating to Electrical Protective Systems
US3611362A (en) * 1969-03-19 1971-10-05 Gen Signal Of Canada Ltd Alarm sensing and indicating systems
US3653025A (en) * 1969-08-04 1972-03-28 Caswell Equipment Co Inc Signalling system
US3676877A (en) * 1970-04-18 1972-07-11 Mittan Co Ltd Fire alarm system with fire zone locator using zener diode voltage monitoring
US3716834A (en) * 1971-10-07 1973-02-13 H Adams Data transmission system with immunity to circuit faults
US3711854A (en) * 1971-10-19 1973-01-16 Federal Sign And Signal Corp Parallel alarm circuit having series supervision

Also Published As

Publication number Publication date
NL7115165A (es) 1972-05-16
NO131693C (es) 1975-07-09
CH540539A (de) 1973-08-15
DK129069B (da) 1974-08-12
GB1338690A (en) 1973-11-28
NO131693B (es) 1975-04-01
BE775169A (fr) 1972-03-01
FI53762C (fi) 1978-07-10
DE2154537A1 (de) 1972-05-18
FI53762B (es) 1978-03-31
US3832678A (en) 1974-08-27

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