GB2314618B - Smoke detector using light scatter and extinction - Google Patents

Smoke detector using light scatter and extinction

Info

Publication number
GB2314618B
GB2314618B GB9613381A GB9613381A GB2314618B GB 2314618 B GB2314618 B GB 2314618B GB 9613381 A GB9613381 A GB 9613381A GB 9613381 A GB9613381 A GB 9613381A GB 2314618 B GB2314618 B GB 2314618B
Authority
GB
United Kingdom
Prior art keywords
extinction
smoke detector
light scatter
scatter
light
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 - Fee Related
Application number
GB9613381A
Other versions
GB9613381D0 (en
GB2314618A (en
Inventor
David Appleby
Stephen Henry Ellwood
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9613381A priority Critical patent/GB2314618B/en
Publication of GB9613381D0 publication Critical patent/GB9613381D0/en
Publication of GB2314618A publication Critical patent/GB2314618A/en
Application granted granted Critical
Publication of GB2314618B publication Critical patent/GB2314618B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • 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
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9613381A 1996-06-26 1996-06-26 Smoke detector using light scatter and extinction Expired - Fee Related GB2314618B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9613381A GB2314618B (en) 1996-06-26 1996-06-26 Smoke detector using light scatter and extinction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9613381A GB2314618B (en) 1996-06-26 1996-06-26 Smoke detector using light scatter and extinction

Publications (3)

Publication Number Publication Date
GB9613381D0 GB9613381D0 (en) 1996-08-28
GB2314618A GB2314618A (en) 1998-01-07
GB2314618B true GB2314618B (en) 1999-12-29

Family

ID=10795903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9613381A Expired - Fee Related GB2314618B (en) 1996-06-26 1996-06-26 Smoke detector using light scatter and extinction

Country Status (1)

Country Link
GB (1) GB2314618B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11224387A (en) * 1998-02-05 1999-08-17 Hochiki Corp Extinction type smoke sensor
DE19809896A1 (en) 1998-03-07 1999-09-09 Bosch Gmbh Robert Fire alarm
EP1017034B1 (en) * 1998-09-14 2003-08-27 Siemens Building Technologies AG Optical smoke detector according to the extinguish principle and method for compensating the temperature drift
BE1013188A3 (en) * 1999-12-21 2001-10-02 Stuvex Internat N V Device for detecting enclosure, the use of such a device in an explosionand/or pressure sensor and the structure so obtained
US20050131465A1 (en) 2000-02-04 2005-06-16 Freeman Gary A. Integrated resuscitation
US7112304B2 (en) * 2003-04-11 2006-09-26 Therm-O-Disc, Incorporated Robust chemiresistor sensor
GB2423357A (en) * 2005-02-22 2006-08-23 Thorn Security A self-monitoring smoke detector
EP1879158A1 (en) * 2006-07-14 2008-01-16 Siemens Schweiz AG Method for smoke detection and optical smoke alarm
DE102007045018B4 (en) 2007-09-20 2011-02-17 Perkinelmer Optoelectronics Gmbh & Co.Kg Radiation guide device for a detector, scattered radiation detector
US20150088016A1 (en) 2013-09-25 2015-03-26 Zoll Medical Corporation Mobile Device Control
CN110930631A (en) * 2019-11-26 2020-03-27 福建好神奇电子科技有限公司 Photoelectric fire smoke alarm and smoke detection deviation compensation method thereof
CN110930630A (en) * 2019-11-26 2020-03-27 福建好神奇电子科技有限公司 Smoke alarm and method thereof
CN115482643B (en) * 2022-08-24 2024-02-02 清华大学 Fire smoke detector and detection method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1432787A (en) * 1972-12-06 1976-04-22 Cerberus Ag Method for sensing the presence of fire and apparatus employing said method
GB1504009A (en) * 1974-07-17 1978-03-15 Gen Signal Corp Smoke detector
US4857895A (en) * 1987-08-31 1989-08-15 Kaprelian Edward K Combined scatter and light obscuration smoke detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1432787A (en) * 1972-12-06 1976-04-22 Cerberus Ag Method for sensing the presence of fire and apparatus employing said method
GB1504009A (en) * 1974-07-17 1978-03-15 Gen Signal Corp Smoke detector
US4857895A (en) * 1987-08-31 1989-08-15 Kaprelian Edward K Combined scatter and light obscuration smoke detector

Also Published As

Publication number Publication date
GB9613381D0 (en) 1996-08-28
GB2314618A (en) 1998-01-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110626