EP0403245A3 - Système d'alarme à détection de fumée - Google Patents

Système d'alarme à détection de fumée Download PDF

Info

Publication number
EP0403245A3
EP0403245A3 EP19900306433 EP90306433A EP0403245A3 EP 0403245 A3 EP0403245 A3 EP 0403245A3 EP 19900306433 EP19900306433 EP 19900306433 EP 90306433 A EP90306433 A EP 90306433A EP 0403245 A3 EP0403245 A3 EP 0403245A3
Authority
EP
European Patent Office
Prior art keywords
signals
alarm
smoke
smoke alarm
alarm systems
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.)
Granted
Application number
EP19900306433
Other languages
German (de)
English (en)
Other versions
EP0403245B1 (fr
EP0403245A2 (fr
Inventor
Colin Charles Oliver
Robert Edward Allan
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.)
Central Research Laboratories Ltd
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Publication of EP0403245A2 publication Critical patent/EP0403245A2/fr
Publication of EP0403245A3 publication Critical patent/EP0403245A3/fr
Application granted granted Critical
Publication of EP0403245B1 publication Critical patent/EP0403245B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
EP90306433A 1989-06-13 1990-06-13 Système d'alarme à détection de fumée Expired - Lifetime EP0403245B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8913552 1989-06-13
GB898913552A GB8913552D0 (en) 1989-06-13 1989-06-13 Smoke alarm systems

Publications (3)

Publication Number Publication Date
EP0403245A2 EP0403245A2 (fr) 1990-12-19
EP0403245A3 true EP0403245A3 (fr) 1991-09-25
EP0403245B1 EP0403245B1 (fr) 1996-01-03

Family

ID=10658349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90306433A Expired - Lifetime EP0403245B1 (fr) 1989-06-13 1990-06-13 Système d'alarme à détection de fumée

Country Status (5)

Country Link
EP (1) EP0403245B1 (fr)
AT (1) ATE132643T1 (fr)
DE (1) DE69024543T2 (fr)
ES (1) ES2081348T3 (fr)
GB (1) GB8913552D0 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9414367D0 (en) * 1994-07-14 1994-09-28 Marvelly John D Emergency control apparatus
GB0010375D0 (en) * 2000-04-29 2000-06-14 Mclaughlin Brian F Smoke alarm
DE10203698A1 (de) * 2002-01-31 2003-08-07 Abb Patent Gmbh Alarmmeldesystem
ES2562805T3 (es) * 2011-09-09 2016-03-08 Akzo Nobel Chemicals International B.V. Procedimiento para la cloración de un compuesto orgánico hidroxilado

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696382A (en) * 1970-11-06 1972-10-03 Functional Devices Inc Alarm system
US4365238A (en) * 1979-06-08 1982-12-21 Adam Kollin Visual signalling apparatus
EP0102229A1 (fr) * 1982-08-27 1984-03-07 Monicell Limited Système d'alarme
US4520503A (en) * 1983-10-14 1985-05-28 University Of New Mexico Tone discrimination circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696382A (en) * 1970-11-06 1972-10-03 Functional Devices Inc Alarm system
US4365238A (en) * 1979-06-08 1982-12-21 Adam Kollin Visual signalling apparatus
EP0102229A1 (fr) * 1982-08-27 1984-03-07 Monicell Limited Système d'alarme
US4520503A (en) * 1983-10-14 1985-05-28 University Of New Mexico Tone discrimination circuit

Also Published As

Publication number Publication date
ES2081348T3 (es) 1996-03-01
EP0403245B1 (fr) 1996-01-03
EP0403245A2 (fr) 1990-12-19
DE69024543T2 (de) 1996-08-22
GB8913552D0 (en) 1989-08-02
DE69024543D1 (de) 1996-02-15
ATE132643T1 (de) 1996-01-15

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