EP0991042A3 - Dispositif de signalisation et système de surveillance - Google Patents
Dispositif de signalisation et système de surveillance Download PDFInfo
- Publication number
- EP0991042A3 EP0991042A3 EP99307216A EP99307216A EP0991042A3 EP 0991042 A3 EP0991042 A3 EP 0991042A3 EP 99307216 A EP99307216 A EP 99307216A EP 99307216 A EP99307216 A EP 99307216A EP 0991042 A3 EP0991042 A3 EP 0991042A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fault
- head
- circuit
- signalling
- base
- 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- Withdrawn
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9821059 | 1998-09-28 | ||
GB9821059A GB2341964B (en) | 1998-09-28 | 1998-09-28 | Signalling device and monitoring system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0991042A2 EP0991042A2 (fr) | 2000-04-05 |
EP0991042A3 true EP0991042A3 (fr) | 2001-01-10 |
Family
ID=10839579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99307216A Withdrawn EP0991042A3 (fr) | 1998-09-28 | 1999-09-21 | Dispositif de signalisation et système de surveillance |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0991042A3 (fr) |
JP (1) | JP2000113341A (fr) |
GB (1) | GB2341964B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9906784D0 (en) * | 1999-03-25 | 1999-05-19 | Coventry University Enterprise | Detector |
WO2010035168A1 (fr) * | 2008-09-23 | 2010-04-01 | Koninklijke Philips Electronics, N.V. | Régulateur limiteur de courant pour pilote de led à remise automatique à l’état initial |
DE202009015335U1 (de) | 2009-11-09 | 2010-03-25 | Job Lizenz Gmbh & Co. Kg | Gefahrenmelder |
CN111754744A (zh) * | 2020-06-24 | 2020-10-09 | 上海芯跳科技有限公司 | 消防报警控制方法及系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4369435A (en) * | 1979-07-27 | 1983-01-18 | Hochiki Kabushiki Kaisha | Fire detector and fire alarm system having circuitry to detect removal of one or more detectors at a signal station |
EP0253709A1 (fr) * | 1986-07-11 | 1988-01-20 | FERCO INTERNATIONAL Usine de Ferrures de BÀ¢timent Société à responsabilité limitée | Installation de surveillance comportant des détecteurs alimentés par une boucle |
US5440293A (en) * | 1992-05-29 | 1995-08-08 | Pittway Corporation | Detector supervision apparatus and method |
GB2313690A (en) * | 1996-05-29 | 1997-12-03 | Rafiki Protection Limited | Alarm monitoring system identifies line and detector head removal faults |
US5798692A (en) * | 1996-04-01 | 1998-08-25 | Integrated Sensor Solutions | Digital compensation circuit for calibration of sensors |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6346596A (ja) * | 1986-08-14 | 1988-02-27 | ニツタン株式会社 | 火災警報設備 |
-
1998
- 1998-09-28 GB GB9821059A patent/GB2341964B/en not_active Expired - Lifetime
-
1999
- 1999-09-21 EP EP99307216A patent/EP0991042A3/fr not_active Withdrawn
- 1999-09-28 JP JP11273701A patent/JP2000113341A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4369435A (en) * | 1979-07-27 | 1983-01-18 | Hochiki Kabushiki Kaisha | Fire detector and fire alarm system having circuitry to detect removal of one or more detectors at a signal station |
EP0253709A1 (fr) * | 1986-07-11 | 1988-01-20 | FERCO INTERNATIONAL Usine de Ferrures de BÀ¢timent Société à responsabilité limitée | Installation de surveillance comportant des détecteurs alimentés par une boucle |
US5440293A (en) * | 1992-05-29 | 1995-08-08 | Pittway Corporation | Detector supervision apparatus and method |
US5798692A (en) * | 1996-04-01 | 1998-08-25 | Integrated Sensor Solutions | Digital compensation circuit for calibration of sensors |
GB2313690A (en) * | 1996-05-29 | 1997-12-03 | Rafiki Protection Limited | Alarm monitoring system identifies line and detector head removal faults |
Also Published As
Publication number | Publication date |
---|---|
GB2341964B (en) | 2002-12-11 |
GB2341964A (en) | 2000-03-29 |
GB9821059D0 (en) | 1998-11-18 |
EP0991042A2 (fr) | 2000-04-05 |
JP2000113341A (ja) | 2000-04-21 |
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Legal Events
Date | Code | Title | Description |
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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 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
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PUAL | Search report despatched |
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RIC1 | Information provided on ipc code assigned before grant |
Free format text: 7G 08B 29/06 A |
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17P | Request for examination filed |
Effective date: 20010115 |
|
AKX | Designation fees paid |
Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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17Q | First examination report despatched |
Effective date: 20040527 |
|
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: 20041007 |