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ATE529845T1 - CONTROL OF ALARM DEVICES - Google Patents

CONTROL OF ALARM DEVICES

Info

Publication number
ATE529845T1
ATE529845T1 AT07394020T AT07394020T ATE529845T1 AT E529845 T1 ATE529845 T1 AT E529845T1 AT 07394020 T AT07394020 T AT 07394020T AT 07394020 T AT07394020 T AT 07394020T AT E529845 T1 ATE529845 T1 AT E529845T1
Authority
AT
Austria
Prior art keywords
remote control
alarm
interconnect
interconnect wire
control unit
Prior art date
Application number
AT07394020T
Other languages
German (de)
Inventor
Michael Byrne
Fergus Flynn
Michael Guinee
James Duignan
Ronan Doyle
Original Assignee
E I Technology 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
Application filed by E I Technology Ltd filed Critical E I Technology Ltd
Application granted granted Critical
Publication of ATE529845T1 publication Critical patent/ATE529845T1/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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/14—Toxic gas alarms
    • 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
    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/123—Checking intermittently signalling or alarm systems of line circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

An alarm system comprises a plurality of alarm devices (10) interconnected by an interconnect wire (IC), and a remote control unit (1). The remote control unit (1) modulating remote control signals on an interconnect wire (IC) linking the alarm devices (10), and the alarm device control circuits (50) perform operations in response to said signals. The remote control unit (1) applies to the interconnect wire (IC) a higher voltage level than that of alarm device interconnect signals. A switch (3) causes the high-Voltage signal to be delivered on the interconnect wire (IC) by connecting the mains supply to the interconnect wire (IC) via a capacitor (C1, C2) and a diode (CR2). The alarm device control circuits (50) operate in response to a remote control signal to test or hush, the associated devices or to suppress low-battery beeps. Also, a remote control unit (1) switch (2) and a circuit (4) operate in response to a user input to short the interconnect wire (IC) to a low voltage, so that interconnect signalling of the alarm devices (10) is prevented and only a device sensing on alarm condition sounds.
AT07394020T 2006-09-28 2007-09-20 CONTROL OF ALARM DEVICES ATE529845T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE20060706 2006-09-28

Publications (1)

Publication Number Publication Date
ATE529845T1 true ATE529845T1 (en) 2011-11-15

Family

ID=38925517

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07394020T ATE529845T1 (en) 2006-09-28 2007-09-20 CONTROL OF ALARM DEVICES

Country Status (3)

Country Link
EP (1) EP1906371B1 (en)
AT (1) ATE529845T1 (en)
IE (2) IE20070675A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7893825B2 (en) 2007-11-20 2011-02-22 Universal Security Instruments, Inc. Alarm origination latching system and method
DE102009060418A1 (en) * 2009-12-22 2011-06-30 Minimax GmbH & Co. KG, 23843 Test device for hazard alarm systems
EP2575114B1 (en) 2011-09-30 2015-01-21 E.I. Technology Limited An alarm controller
EP2843636B1 (en) 2013-08-23 2018-06-13 E.I. Technology Monitoring and control of alarm systems
CN103473879B (en) * 2013-09-18 2015-06-10 上海贝岭股份有限公司 Mute circuit for photoelectric smoke alarm
CN107085929A (en) * 2017-05-17 2017-08-22 深圳市芯安智能安防科技有限公司 A kind of contactless product detection device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5705979A (en) * 1995-04-13 1998-01-06 Tropaion Inc. Smoke detector/alarm panel interface unit
US6791453B1 (en) * 2000-08-11 2004-09-14 Walter Kidde Portable Equipment, Inc. Communication protocol for interconnected hazardous condition detectors, and system employing same
US6611204B2 (en) * 2001-04-16 2003-08-26 Maple Chase Company Hazard alarm, system, and communication therefor
US7126487B2 (en) * 2004-10-15 2006-10-24 Ranco Incorporated Of Delaware Circuit and method for prioritization of hazardous condition messages for interconnected hazardous condition detectors

Also Published As

Publication number Publication date
EP1906371A2 (en) 2008-04-02
IES20070677A2 (en) 2008-04-30
EP1906371A3 (en) 2010-03-24
IE20070675A1 (en) 2008-04-30
EP1906371B1 (en) 2011-10-19

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties