EP0093095A2 - Verfahren und Anordnung zum Identifizieren eines alarmgebenden Detektors in einer Schleife mit einer bestimmten Zahl parallel geschalteter Detektoren - Google Patents

Verfahren und Anordnung zum Identifizieren eines alarmgebenden Detektors in einer Schleife mit einer bestimmten Zahl parallel geschalteter Detektoren Download PDF

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Publication number
EP0093095A2
EP0093095A2 EP83850093A EP83850093A EP0093095A2 EP 0093095 A2 EP0093095 A2 EP 0093095A2 EP 83850093 A EP83850093 A EP 83850093A EP 83850093 A EP83850093 A EP 83850093A EP 0093095 A2 EP0093095 A2 EP 0093095A2
Authority
EP
European Patent Office
Prior art keywords
signal
alarm
loop circuit
line unit
detector
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Withdrawn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
EP83850093A
Other languages
English (en)
French (fr)
Other versions
EP0093095A3 (de
Inventor
Benni Göran Ingemar Glanshed
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.)
Cerberus AG
Original Assignee
Cerberus AG
Telefonaktiebolaget LM Ericsson 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 Cerberus AG, Telefonaktiebolaget LM Ericsson AB filed Critical Cerberus AG
Publication of EP0093095A2 publication Critical patent/EP0093095A2/de
Publication of EP0093095A3 publication Critical patent/EP0093095A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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

Definitions

  • the present invention relates to a method of identifying a detector giving an alarm, said detector being one of a predetermined number of detectors connected in parallel in a loop circuit connected to a line unit, which supplies the loop circuit with a first signal, said detectors in their alarm state giving a predetermined voltage drop across the loop circuit in response to the first signal, said voltage drop giving rise to an alarm signal from the line unit, the invention also relating to an apparatus for carrying out the method.
  • the object of the present invention is to provide a method and an apparatus enabling the reception of both identity and priority information from a detector giving an alarm.
  • Figure 1 illustrates an embodiment of a loop circuit connected to a line unit and having a plurality of detectors connected in parallel, said loop circuit being terminated by an end circuit
  • Figure 2 illustrates an embodiment of a detector connected into the loop circuit of Figure 1
  • Figure 3 illustrates an embodiment of the line unit illustrated in Figure 1
  • Figure 4 is a diagram of the voltage across the input of the line unit for both the alarm and normal state of the detector in Figure 2.
  • the line circuit 1 is also connected to a central unit (not shown) via lines 4, 5 and 6.
  • Figure 2 schematically illustrates an embodiment of a detector 2 in Figure 1. It should be pointed out in this connection that all the detectors illustrated in Figure 1 do not need to be constructed in the manner illustrated in Figure 2.
  • the detector 2 of Figure 2 is of the type giving a predetermined voltage drop across the loop circuit when in an alarm state. In the alarm state, a contact 7 in the detector 2 closes, this contact being connected in series with a component 8, e g a Zener diode, giving said predetermined voltage drop across the loop circuit when the contact 7 is closed.
  • This contact does not need to be mechanical, but can e g be a transistor or a thyristor.
  • a resistor 9 is connected in series with the contact 7 and diode 8.
  • the identity signal from the transistor 13, which can be a pulse train 17, is decoded with the aid of the voltage decoder 14 in the line unit 1, and the decoded identity signal is fed from the line unit 1 to the unillustrated central unit via the line 16 for presentation on a display.
  • Detectors in the same room may be programmed with the same identity signal to obtain an area alarm within a monitored section.
  • the identity signal can also contain priority information, which is also decoded with the aid of the voltage decoder 14 and sent to the unillustrated central unit via the line 5.
  • the pulse train from the memory 12 is intended to be fed to the voltage decoder 14 a predetermined number of times, so that identification is ensured.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
EP83850093A 1982-04-23 1983-04-12 Verfahren und Anordnung zum Identifizieren eines alarmgebenden Detektors in einer Schleife mit einer bestimmten Zahl parallel geschalteter Detektoren Withdrawn EP0093095A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8202566A SE8202566L (sv) 1982-04-23 1982-04-23 Forfarande och anordning for att i en slingkrets med ett forutbestemt antal parallellkopplade detektorer identifiera en larmande detektor
SE8202566 1982-04-23

Publications (2)

Publication Number Publication Date
EP0093095A2 true EP0093095A2 (de) 1983-11-02
EP0093095A3 EP0093095A3 (de) 1986-12-30

Family

ID=20346627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83850093A Withdrawn EP0093095A3 (de) 1982-04-23 1983-04-12 Verfahren und Anordnung zum Identifizieren eines alarmgebenden Detektors in einer Schleife mit einer bestimmten Zahl parallel geschalteter Detektoren

Country Status (5)

Country Link
EP (1) EP0093095A3 (de)
DK (1) DK179483A (de)
FI (1) FI830990L (de)
NO (1) NO831433L (de)
SE (1) SE8202566L (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0167669A1 (de) * 1984-06-05 1986-01-15 Siemens Aktiengesellschaft Verfahren und Anordung zur Identifizierung eines alarmauslösenden Melders in einer Gefahrenmeldeanlage
FR2580100A1 (de) * 1985-04-09 1986-10-10 Hochiki Co
EP0178474A3 (en) * 1984-09-20 1988-07-20 Siemens Aktiengesellschaft Berlin Und Munchen Method and arrangement for the detector identification of a hazard detection system
DE4104590A1 (de) * 1990-02-15 1991-08-29 Needs Electronics Co Gebaeudealarmsystem
FR2723232A1 (fr) * 1994-07-29 1996-02-02 Lewiner Jacques Perfectionnements aux detecteurs d'alarme pour la surveillance de batiments
WO1997020295A1 (en) * 1995-11-28 1997-06-05 Rolf Edman A controlling and/or registration system
GB2321747A (en) * 1997-01-30 1998-08-05 Rafiki Protection Limited Fire alarm system
WO2007096523A2 (fr) 2006-02-24 2007-08-30 Airbus France Systeme de detection d'incendie et aeronef equipe d'un tel systeme
US8902760B2 (en) 1998-04-10 2014-12-02 Chrimar Systems, Inc. Network system and optional tethers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA71780B (en) * 1970-03-31 1971-10-27 Nittan Co Ltd Fire alarming system
US3757301A (en) * 1971-06-17 1973-09-04 Eaton Corp Single cable signaling system
US3803594A (en) * 1972-07-17 1974-04-09 Johnson Service Co Programmed time division multiplexed coded tone transmission system
US3846794A (en) * 1973-03-15 1974-11-05 Baker Ind Inc Alarm retransmission system
US4228424A (en) * 1978-10-16 1980-10-14 Baker Protective Services, Incorporated Central station alarm

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0167669A1 (de) * 1984-06-05 1986-01-15 Siemens Aktiengesellschaft Verfahren und Anordung zur Identifizierung eines alarmauslösenden Melders in einer Gefahrenmeldeanlage
EP0178474A3 (en) * 1984-09-20 1988-07-20 Siemens Aktiengesellschaft Berlin Und Munchen Method and arrangement for the detector identification of a hazard detection system
FR2580100A1 (de) * 1985-04-09 1986-10-10 Hochiki Co
DE4104590A1 (de) * 1990-02-15 1991-08-29 Needs Electronics Co Gebaeudealarmsystem
FR2723232A1 (fr) * 1994-07-29 1996-02-02 Lewiner Jacques Perfectionnements aux detecteurs d'alarme pour la surveillance de batiments
WO1996004629A1 (fr) * 1994-07-29 1996-02-15 Jacques Lewiner Perfectionnements aux detecteurs d'alarme pour la surveillance de batiments
WO1997020295A1 (en) * 1995-11-28 1997-06-05 Rolf Edman A controlling and/or registration system
GB2321747B (en) * 1997-01-30 2000-10-18 Rafiki Protection Limited Alarm system
GB2321747A (en) * 1997-01-30 1998-08-05 Rafiki Protection Limited Fire alarm system
US8902760B2 (en) 1998-04-10 2014-12-02 Chrimar Systems, Inc. Network system and optional tethers
US9049019B2 (en) 1998-04-10 2015-06-02 Chrimar Systems, Inc. Network equipment and optional tether
US9812825B2 (en) 1998-04-10 2017-11-07 Chrimar Systems, Inc. Ethernet device
WO2007096523A2 (fr) 2006-02-24 2007-08-30 Airbus France Systeme de detection d'incendie et aeronef equipe d'un tel systeme
FR2897968A1 (fr) * 2006-02-24 2007-08-31 Airbus France Sas Systeme de detection d'incendie et aeronef equipe d'un tel systeme
WO2007096523A3 (fr) * 2006-02-24 2007-10-11 Airbus France Systeme de detection d'incendie et aeronef equipe d'un tel systeme
US8094030B2 (en) 2006-02-24 2012-01-10 Airbus Operations Sas Fire detection system and aircraft equipped with such a system
CN101389381B (zh) * 2006-02-24 2012-12-26 空中客车运营简化股份公司 火灾检测系统和装有该系统的飞行器

Also Published As

Publication number Publication date
DK179483D0 (da) 1983-04-22
FI830990A7 (fi) 1983-10-24
FI830990L (fi) 1983-10-24
SE8202566L (sv) 1983-10-24
DK179483A (da) 1983-10-24
EP0093095A3 (de) 1986-12-30
FI830990A0 (fi) 1983-03-23
NO831433L (no) 1983-10-24

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): CH DE IT LI NL

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CERBERUS AG

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE IT LI NL

17P Request for examination filed

Effective date: 19870121

17Q First examination report despatched

Effective date: 19871002

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19890301

RIN1 Information on inventor provided before grant (corrected)

Inventor name: GLANSHED, BENNI GOERAN INGEMAR