EP1400940B1 - Système pour la détection de danger - Google Patents

Système pour la détection de danger Download PDF

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Publication number
EP1400940B1
EP1400940B1 EP02027998A EP02027998A EP1400940B1 EP 1400940 B1 EP1400940 B1 EP 1400940B1 EP 02027998 A EP02027998 A EP 02027998A EP 02027998 A EP02027998 A EP 02027998A EP 1400940 B1 EP1400940 B1 EP 1400940B1
Authority
EP
European Patent Office
Prior art keywords
hazard
detectors
detector
detection system
communication
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.)
Expired - Lifetime
Application number
EP02027998A
Other languages
German (de)
English (en)
Other versions
EP1400940A1 (fr
Inventor
Kurt Dr. Hess
Philipp Honegger
Urs Dr. Kästli
Knut Späte
Georges Dr. Tenchio
Hansjürg Wälti
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.)
Siemens Schweiz AG
Original Assignee
Siemens Schweiz AG
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 Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to AT02027998T priority Critical patent/ATE336770T1/de
Priority to SI200230428T priority patent/SI1400940T1/sl
Priority to DK02027998T priority patent/DK1400940T3/da
Priority to PT02027998T priority patent/PT1400940E/pt
Priority to EP02027998A priority patent/EP1400940B1/fr
Priority to AU2003213311A priority patent/AU2003213311B2/en
Priority to KR1020030060656A priority patent/KR100998140B1/ko
Priority to CNB031554679A priority patent/CN100507962C/zh
Priority to PL362018A priority patent/PL213566B1/pl
Publication of EP1400940A1 publication Critical patent/EP1400940A1/fr
Priority to HK04106849.6A priority patent/HK1064192A1/xx
Application granted granted Critical
Publication of EP1400940B1 publication Critical patent/EP1400940B1/fr
Priority to CY20061101662T priority patent/CY1106245T1/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G08B25/10—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 wireless transmission systems
    • 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
    • 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
    • G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range
    • 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
    • G08B25/014—Alarm signalling to a central station with two-way communication, e.g. with signalling back
    • 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

Definitions

  • the present invention relates to a danger detection system with a control center, a plurality of connected to this hazard alarms and with an operating unit for the operation of the danger detector, wherein the control unit and the hazard alarm are designed for two-way communication.
  • EP 0872817 A1 describes a hazard detector which has a housing which contains a sensor for a hazard parameter, a stage for evaluating the sensor signals and a light source for alarm indication.
  • the detector also has a communication interface for the wireless transmission of data recorded by the detector and it is switchable to a data transfer mode in which a transmission of the detector data takes place.
  • the communication interface includes a transmitter formed by the light source for alarm indication or by an additional infrared source.
  • the detector is assigned an operating module. This is designed as a mobile unit and has means for receiving the emitted detector data.
  • US 5365568 describes the detection of one or more alarm situations by alarm detectors.
  • the alarm situations can be assigned to one or more monitoring units.
  • the system includes a circuit for monitoring power consumption.
  • So-called detector exchangers and detector testers are known for the efficient insertion, replacement and function control of smoke detectors.
  • the detector exchangers With the detector exchangers, fire detectors can be inserted and removed from the detector base during commissioning and overhauling by means of a pressure and rotary movement.
  • the detector exchanger contains a so-called adapter, which is flexibly mounted on a pipe socket and with which the detector can be fixed like a wrench, and extension pipes which allow a detector exchange up to a height of about 7 meters.
  • the detector tester can either contain a can with a test gas or a hot air generator (see for example US-A-3,693,401 and the detector testers CERBERUS DZ1191 and CERBERUS RE6 / RE6T from Siemens Building Technologies AG (CERBERUS - registered trademark of Siemens Building Technologies AG).
  • detector exchangers / detector testers with a combined picking / testing / picking head, in which light pulses are transmitted into the measuring chamber of a scattered light detector to be tested and the respondent of the detector is checked for these light pulses (see, for example, EP-A-0 636 266, EP-A-0 910 055 and the detector exchanger / detector tester CERBERUS DZ1193 from Siemens Building Technologies AG).
  • the panel Whenever a detector is removed from its socket, the panel must first receive a message that the detector in question is not in function, and it must be informed after the exchange that an exchange has taken place. This means that during maintenance work, the respective operator must go to the control center before and after the detector exchange and enter the necessary information there, the maintenance work would be carried out on the detectors themselves. The same applies to the checking of detectors, where the control center must also be informed accordingly so that the function test does not trigger an alarm. It is obvious that this procedure is cumbersome and time-consuming especially for larger systems.
  • the invention is now a danger detection system of the type mentioned are given, in which maintenance and maintenance work on the detectors can be performed as simple and efficient.
  • the hazard alarms are designed as connection nodes for the communication between the operating unit and the control center.
  • the operating unit is a mobile terminal which can be connected to the control center via any hazard detector and can communicate with it.
  • a suitable control unit may be, for example, a control module for a hazard detector of the type described in EP-A-0 872 817, a device for remote adjustment of parameters of a sensor of the type described in US-A-4,704,607 or a remote control of EP-A -1 158 840 be described type. All these operating units have in common that they have an interface for bidirectional data communication with the relevant hazard detector, this data communication is used to query and / or remote adjustment of the detector.
  • the control unit can also be installed in a detector exchanger and / or detector tester of the type mentioned and form part of this.
  • the fire alarm system shown in Fig. 1 schematically shows a center 1 and various associated with this detector lines, a detector line M 1 with Hand thoroughmeldern 2, a detector line M 2 with special detectors, according to a flame detector 3 and a line extinction detector 4, and a detector line M 3 with the ceiling mounted so-called point detectors 5 (scattered light smoke detector, temperature, fire gas or Mehrkriterienmelder), and a control unit 6 for on-site operation of the various detectors.
  • point detectors 5 sintered light smoke detector, temperature, fire gas or Mehrkriterienmelder
  • Suitable stray-light smoke detectors are described, for example, in EP-A-0 636 266 and EP-A-0 821 330, a line extinction detector in European Patent Application No. 01 114 103.3 and a flame detector in EP-A-0 718 814.
  • the term operating unit 6 is to be understood generally. This may be a remote control module for data communication with the detectors, or a tool for replacement / insertion or verification of detectors, which may be used simultaneously for data communication.
  • the control unit 6 shown in Fig. 1 is a tool of the latter type and consists of a so-called detector tester and / or detector picker (hereinafter referred to as excpflücker 7), which is a tool for checking the function and / or insertion / removal a detector in / from a socket, and from a terminal 8 for the input and display of data.
  • the sketchpflücker 7 consists essentially of a test / picking head 9, which is articulated on a short tube 10, arranged in a test / picking 9 test electronics, a power supply, a function display and a main switch.
  • each interface for bidirectional data communication between the test / picking 9 and detector 5 is provided. This interface is shown in FIG.
  • the tube 10 by extension tubes can be extended telescopically. Suitable test pickers 7, but without the mentioned communication interface, are described in EP-A-0 636 266 and EP-A-0 971 329.
  • the communication interface of a detector 5 designated by the reference character KM is shown in the left half, and the communication interface of the checking / picking head 9 designated by the reference symbol MB is separated from one another by a dashed line A symbolizing the transmission medium are.
  • Both communication interfaces KM and KB each have an optical and an inductive channel KM o , KM i or KB o , KB i .
  • the optical channel KM o of the detector communication interface KM contains an externally visible alarm indicator 11 formed by an LED for the visual display of alarms and faults and an LED driver 13 connected to a microprocessor 12 of the detector.
  • the optical channel KB o of the test / Picking head communication interface KB includes a photodiode 14, an amplifier connected to this 15 and a repeater connected downstream of the amplifier 16 whose output is connected to a microprocessor 17 of the control unit.
  • the inductive channel KB i of the check / picking head communication interface KB contains an oscillator 18 controlled by the microprocessor 17 and an inductance 19, which is formed for example by a wire loop.
  • the inductive channel KM i of the detector communication interface KM includes a resonant circuit 20, a demodulator 21 connected downstream thereof and a pulse shaper 22 connected to the demodulator, whose output is connected to the microprocessor 12.
  • the wire loop 19 is inserted in the test / picking head 9, which is pushed for each transfer operation on the resonant circuit 20 containing detector 5.
  • the photodiode 14 is arranged in the test / picking head 9, that it is acted upon by the light emitted by the alarm indicator 11.
  • the communication interface for communication in the high frequency range preferably according to the Bluetooth standard, or in the infrared range, preferably according to the IrDA standard, be formed.
  • the terminal 8 could be fixed to the tube 10 or to an extension tube and designed so that an operator can simultaneously hold the check / picking head 9 over the detector to be operated 5 and operate the terminal 8, but this is difficult from a certain height is possible.
  • the terminal 8 formed for example by a handheld or a PDA (Personal Digital Assistant) is not attached to the füraturator 7 but deducted from this and it is between the terminal 8 and the test / picking 9 a communication link, for example, the IrDA - or the Bluetooth standard, provided.
  • the data transfer from the terminal 8 to the detector 5 is analogous, whereby also an intermediate storage in the fürpflücker 7 takes place. It is also a data transfer in both directions possible. Of course, once entered into the terminal 8 data can remain stored in the Ardpflücker 7 and several times, to different detectors used.
  • the detector can also set itself in the data transfer mode when the für niker 7 authenticates as an authorized control unit for data transmission or identified. This authentication can be done by special codes or cryptographic methods.
  • the annunciator 5 may send data acquired and stored during operation to the terminal 8, such as near alarms and the like, and on the other hand may transmit to the annunciator data or commands, such as instructions related to servicing or parameters , It may also be possible to perform software updates in the data transfer mode.
  • a very significant advantage of the system shown with the control unit 6 is that the data transfer mode can also be used to establish a bidirectional connection between the control unit 6 and the control panel 1 via the respective detector by, for example, the control panel is informed that at the detector Servicing be performed or the control panel is asked to switch the detector in a corresponding mode or to write the sent data in the detector.
  • the indirect transfer of data or commands from the control unit via the control center to the detector has the advantage over the also possible direct transfer that the control panel is informed on the one hand made changes in the detector and on the other hand exercise a filter function and not freely enabled changes for the detector concerned can prevent.
  • the possibility of two-way communication between the control panel and control unit can be very helpful by the associated room number is entered on the control unit and transmitted from the detector to the control center, where then linking the room number with the Detector identification number (see also EP-A-0 546 401) and thus a clear localization of the detector takes place.
  • the operating unit can be connected to the control center as a mobile terminal via the relevant danger detector. This opens up the possibility of delivering functionality from the detectors to the control center.
  • the system can be operated from any location equipped with a detector in the building, the time required for commissioning and servicing is reduced.
  • operator errors can be avoided by not having to select the detector to be moved to another mode via a list (risk of selecting an incorrect entry or faulty list), but instead designating it locally.
  • a fire alarm system usually contains not only attached to the ceiling point detector 5, for the operation of the scholarpflücker 7 was originally provided, but also special detectors, such as hand hazard detector 2, flame detector 3 and line extinction detector 4, the Most are attached to the wall.
  • this detector is not a special tool for assembly / disassembly or detector test in use, but also these detectors must be periodically tested on site, here also before and after the test must be entered in the head office that the detector in question is tested / and should therefore be set to the test mode or the normal operating state.
  • the operating unit 6 is designed so that it can also be used for the operation of said special detectors and other components.
  • this multi-functionality of the control unit 6 is shown in connection with a hand hazard detector 2, in Fig. 4 in connection with a line extinction detector 4, an acoustic alarm device 23 and with a so-called line module 24.
  • Line blocks are, for example, input / output modules for turning on of fire detectors of another type to an existing system, or to turn on work or rest contacts or for the decentralized control of technical equipment, such as fire doors, ventilation, air conditioning, and the like.
  • line components are the so-called line separators, which ensure that in the event of a short circuit on a detector bus, not the entire bus fails, but only the defective part of a line is isolated.
  • line building blocks usually have a flat, box-like shape and are often arranged in a stack next to each other, so that there are certain restrictions on the accessibility from the outside.
  • Hand hazard alarms are known to be mounted at a height of about 150 cm to the wall and have the shape of an approximately square, flat box with a diagonal, which corresponds approximately to the diameter of a point detector 5. This makes it possible to keep the scholarpflücker 7 horizontal and put on the hand hazard detector 2. Since an extension of the tube 10 is not required, the terminal 8 is advantageously fixed to the tube 10, for example with an elastic clip.
  • the testing / picking head 9 is equipped with a module communication interface KB and the hand hazard detector with a detector communication interface KM of the type shown in Fig. 2. Since the test picker 7 with the short tube 10 is easy to handle, it is unnecessary to perform the data communication in two steps. With such an arrangement, the distance of wireless communication becomes greater than that of the point detector. This situation is detected by the fürpflücker 7 (limit switch), whereupon transmission power and receiving sensitivity are increased.
  • the linear extinction detector 4 shown in FIG. 4 has a metallic shielded housing and is therefore rather unsuitable for a communication interface of the type shown in FIG.
  • the acoustic alarm device 23 has the form a round box, possibly with cambered bottom, and can therefore be equipped with a detector communication interface KM ( Figure 2).
  • the communication between strigpflücker 7 and line extinction detector 4 and the mononbau stone 24 via a connector cable 25, the plug are designed so that they can be easily inserted even in arranged in stacks line blocks 24.
  • the test picker also serves as an installation aid, in that the quality and the distance of the reflected-back optical signal are displayed online, thereby simplifying the adjustment of the housing.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Emergency Alarm Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)

Claims (13)

  1. Système avertisseur de danger comprenant une centrale (1) une pluralité d'avertisseurs de danger (2, 3, 4, 5) raccordés à celle-ci et une unité de commande (6) pour la commande des avertisseurs de danger (2, 3, 4, 5), l'unité de commande (6) et les avertisseurs de danger (2, 3, 4, 5) étant conçus pour une communication bidirectionnelle, caractérisé en ce que les avertisseurs de danger (2, 3, 4, 5) forment des noeuds de raccordement pour une communication entre l'unité de commande (6) et la centrale (1) et d'une part il existe une liaison de communication directe entre l'unité de commande (6) et les avertisseurs de danger (2, 3, 4, 5) et d'autre part une liaison de communication indirecte entre l'unité de commande (6) et la centrale (1), et en ce que la communication entre l'unité de commande (6) et les avertisseurs de danger (2, 3, 4, 5) peut se faire indirectement par la centrale (1).
  2. Système avertisseur de danger selon la revendication 1, caractérisé en ce que les fonctions de centrale peuvent être commandées à partir des avertisseurs de danger (2, 3, 4, 5) par ladite liaison de communication indirecte.
  3. Système avertisseur de danger selon l'une quelconque des revendications 1 et 2, caractérisé en ce que l'unité de commande (6) présente un outil d'essai et/ou de montage pouvant être posé sur les avertisseurs de danger (2, 3, 4, 5) ou pouvant être relié à ceux-ci et présente un terminal (8) pour l'entrée et l'affichage de données.
  4. Système avertisseur de danger selon la revendication 3, caractérisé en ce que l'outil de test et/ou de montage est un testeur d'avertisseur ou échangeur d'avertisseur désigné ci-dessous par dispositif de test cueilleur (7) avec une tête cueilleuse / de test (9) fixée sur une barre (10).
  5. Système avertisseur de danger selon la revendication 4, caractérisé en ce que la tête cueilleuse / de test (9) est conçue pour la commande de divers types d'avertisseur et d'autres modules de ligne (23, 24) du système avertisseur de danger.
  6. Système avertisseur de danger selon la revendication 5, caractérisé en ce qu'une liaison de communication existe entre le terminal (8) et la tête cueilleuse / de test (9), et en ce que la tête cueilleuse / de test (9) présente une interface de communication (KB) pour la communication bidirectionnelle avec un avertisseur de danger (2, 3, 4, 5) ou un autre module de ligne ainsi que pour la communication avec le terminal (8).
  7. Système avertisseur de danger selon la revendication 6, caractérisé en ce que ladite interface de communication (KB) présente un émetteur et un récepteur pour une communication sans fil.
  8. Système avertisseur de danger selon la revendication 7, caractérisé en ce que ladite interface de communication est conçue en supplément pour une communication filaire et en ce que la communication sans fil et la communication filaire peuvent être utilisées au choix.
  9. Système avertisseur de danger selon l'une quelconque des revendications 4 à 9, caractérisé en ce que le terminal (8) est formé par un Handheld ou pour un PDA et peut être fixé sur le dispositif de test cueilleur (7).
  10. Système avertisseur de danger selon l'une quelconque des revendications 5 à 9, caractérisé en ce que les avertisseurs de danger (2, 5) présentent une interface de communication (KM) pour la communication avec l'unité de commande (6), et en ce que cette interface de communication (KM) contient un canal d'émission (KM0) optique formé par un indicateur d'alarme (10) et un canal de réception (KM0) inductif.
  11. Système avertisseur de danger selon l'une quelconque des revendications 6, 7, 8 ou 10, caractérisé en ce que l'interface de communication (KB) de la tête cueilleuse / de test (9) présente un émetteur formé par une inductance (9) et un récepteur formé par une photodiode (4).
  12. Système avertisseur de danger selon la revendication 7 ou 8, caractérisé en ce que la communication sans fil est utilisée pour la communication avec des avertisseurs ponctuels (5), en particulier des avertisseurs à lumière diffuse, des avertisseurs de température, des avertisseurs de gaz d'incendie, ou avec des avertisseurs de danger manuels (2).
  13. Système avertisseur de danger selon la revendication 8, caractérisé en ce que la communication filaire est utilisée pour la communication avec des avertisseurs de flammes (3), des avertisseurs d'extinction (4) ou des modules de ligne (23, 24).
EP02027998A 2002-09-07 2002-12-14 Système pour la détection de danger Expired - Lifetime EP1400940B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AT02027998T ATE336770T1 (de) 2002-09-07 2002-12-14 Gefahrenmeldesystem
SI200230428T SI1400940T1 (sl) 2002-09-07 2002-12-14 Sestav za javljanje nevarnosti
DK02027998T DK1400940T3 (da) 2002-09-07 2002-12-14 Faremeldesystem
PT02027998T PT1400940E (pt) 2002-09-07 2002-12-14 Sistema avisador de perigo
EP02027998A EP1400940B1 (fr) 2002-09-07 2002-12-14 Système pour la détection de danger
AU2003213311A AU2003213311B2 (en) 2002-09-07 2003-07-08 Danger detection system
KR1020030060656A KR100998140B1 (ko) 2002-09-07 2003-09-01 위험 감지 시스템
CNB031554679A CN100507962C (zh) 2002-09-07 2003-09-05 危险报警系统
PL362018A PL213566B1 (pl) 2002-09-07 2003-09-05 Uklad sygnalizacji niebezpieczenstwa
HK04106849.6A HK1064192A1 (en) 2002-09-07 2004-09-09 Danger detection system
CY20061101662T CY1106245T1 (el) 2002-09-07 2006-11-15 Συστημα προειδοποιησης εναντι κινδυνων

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02020100 2002-09-07
EP02020100A EP1398746A1 (fr) 2002-09-07 2002-09-07 Détecteur de danger avec une interface de communication, et module de service
EP02027998A EP1400940B1 (fr) 2002-09-07 2002-12-14 Système pour la détection de danger

Publications (2)

Publication Number Publication Date
EP1400940A1 EP1400940A1 (fr) 2004-03-24
EP1400940B1 true EP1400940B1 (fr) 2006-08-16

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP02020100A Withdrawn EP1398746A1 (fr) 2002-09-07 2002-09-07 Détecteur de danger avec une interface de communication, et module de service
EP02027998A Expired - Lifetime EP1400940B1 (fr) 2002-09-07 2002-12-14 Système pour la détection de danger

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02020100A Withdrawn EP1398746A1 (fr) 2002-09-07 2002-09-07 Détecteur de danger avec une interface de communication, et module de service

Country Status (13)

Country Link
EP (2) EP1398746A1 (fr)
KR (1) KR100998140B1 (fr)
CN (1) CN100507962C (fr)
AT (1) ATE336770T1 (fr)
AU (1) AU2003213311B2 (fr)
CY (1) CY1106245T1 (fr)
DE (1) DE50207868D1 (fr)
DK (1) DK1400940T3 (fr)
ES (1) ES2271180T3 (fr)
HK (1) HK1064192A1 (fr)
PL (1) PL213566B1 (fr)
PT (1) PT1400940E (fr)
SI (1) SI1400940T1 (fr)

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CA2427320C (fr) * 2003-04-30 2009-07-21 Digital Security Controls Ltd. Detecteur de fumee avec indication des performances
WO2012130670A1 (fr) 2011-03-25 2012-10-04 Siemens Aktiengesellschaft Localisation automatique de détecteurs d'incendie
KR101311950B1 (ko) 2012-04-25 2013-09-26 비아이산업(주) 양방향 통신 루프를 갖는 화재 감지 경보 시스템
KR101471438B1 (ko) 2013-10-28 2014-12-10 김영수 양방향 통신루프에 결합된 아이솔레이터를 포함하는 통신 복구 기능을 구비한 환경감지 시스템
EP2899708B1 (fr) 2014-01-28 2017-05-17 Siemens Schweiz AG Combinaison de bus pour système de gestion de danger
US9767679B2 (en) * 2014-02-28 2017-09-19 Tyco Fire & Security Gmbh Method and apparatus for testing fire alarm initiating devices
EP3291195B1 (fr) 2016-08-29 2021-05-26 Novar GmbH Détecteur de danger, dispositif d'essai pour détecteur de danger, système et procédé de surveillance de danger destiné à tester un détecteur de danger

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GB8426964D0 (en) * 1984-10-25 1984-11-28 Sieger Ltd Adjusting circuit parameter
DE4114448C2 (de) * 1991-05-03 1995-04-20 Klaus Latschbacher Vorrichtung zur drahtlosen Datenübertragung zwischen zwei Datengeräten
CA2061508C (fr) * 1991-11-04 2000-11-07 Raymond Gilbert Detecteur de fumee dote d'un selecteur automatique
CH685410A5 (de) * 1993-02-15 1995-06-30 Cerberus Ag Vorrichtung zur Funktionsprüfung von Rauchmeldern.
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Publication number Publication date
PT1400940E (pt) 2007-01-31
KR20040023518A (ko) 2004-03-18
HK1064192A1 (en) 2005-01-21
ES2271180T3 (es) 2007-04-16
AU2003213311A1 (en) 2004-03-25
PL213566B1 (pl) 2013-03-29
CN100507962C (zh) 2009-07-01
KR100998140B1 (ko) 2010-12-02
DK1400940T3 (da) 2006-12-27
PL362018A1 (en) 2004-03-08
AU2003213311B2 (en) 2007-08-09
CN1489117A (zh) 2004-04-14
EP1398746A1 (fr) 2004-03-17
DE50207868D1 (de) 2006-09-28
EP1400940A1 (fr) 2004-03-24
CY1106245T1 (el) 2011-06-08
ATE336770T1 (de) 2006-09-15
SI1400940T1 (sl) 2007-02-28

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