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GB2259761B - Smoke and particle detector - Google Patents

Smoke and particle detector

Info

Publication number
GB2259761B
GB2259761B GB9119942A GB9119942A GB2259761B GB 2259761 B GB2259761 B GB 2259761B GB 9119942 A GB9119942 A GB 9119942A GB 9119942 A GB9119942 A GB 9119942A GB 2259761 B GB2259761 B GB 2259761B
Authority
GB
United Kingdom
Prior art keywords
smoke
particle detector
detector
particle
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
GB9119942A
Other versions
GB9119942D0 (en
GB2259761A (en
Inventor
Peter Varney
Frederick John James
David Nicholas Ball
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.)
Kidde Graviner Ltd
Kidde Fire Protection Ltd
Original Assignee
Kidde Graviner Ltd
Kidde Fire Protection 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 Kidde Graviner Ltd, Kidde Fire Protection Ltd filed Critical Kidde Graviner Ltd
Priority to GB9119942A priority Critical patent/GB2259761B/en
Publication of GB9119942D0 publication Critical patent/GB9119942D0/en
Priority to EP92919493A priority patent/EP0604502A1/en
Priority to PCT/GB1992/001709 priority patent/WO1993006462A1/en
Publication of GB2259761A publication Critical patent/GB2259761A/en
Application granted granted Critical
Publication of GB2259761B publication Critical patent/GB2259761B/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
    • G08B17/11—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
    • 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
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9119942A 1991-09-18 1991-09-18 Smoke and particle detector Expired - Fee Related GB2259761B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9119942A GB2259761B (en) 1991-09-18 1991-09-18 Smoke and particle detector
EP92919493A EP0604502A1 (en) 1991-09-18 1992-09-17 Smoke and particle detector
PCT/GB1992/001709 WO1993006462A1 (en) 1991-09-18 1992-09-17 Smoke and particle detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9119942A GB2259761B (en) 1991-09-18 1991-09-18 Smoke and particle detector

Publications (3)

Publication Number Publication Date
GB9119942D0 GB9119942D0 (en) 1991-10-30
GB2259761A GB2259761A (en) 1993-03-24
GB2259761B true GB2259761B (en) 1995-04-05

Family

ID=10701613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9119942A Expired - Fee Related GB2259761B (en) 1991-09-18 1991-09-18 Smoke and particle detector

Country Status (3)

Country Link
EP (1) EP0604502A1 (en)
GB (1) GB2259761B (en)
WO (1) WO1993006462A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3330438B2 (en) * 1993-12-16 2002-09-30 能美防災株式会社 Smoke detector and its adjusting device
AUPN179995A0 (en) * 1995-03-17 1995-04-13 Vision Systems Limited Improvements relating to gas pollution detection equipment
DE69627922T2 (en) * 1995-03-24 2004-03-11 Nohmi Bosai Ltd. Sensor for the detection of fine particles such as smoke
GB2309076B (en) * 1996-01-10 1999-08-11 Kidde Fire Protection Ltd Particle separation and detection apparatus
AU3952899A (en) * 1999-05-19 2000-12-12 Rokonet Electronics Ltd. Self adjusting smoke detector
EP1855259A1 (en) * 2006-05-08 2007-11-14 Siemens Schweiz AG Fire detecor
US7876217B2 (en) * 2008-02-15 2011-01-25 Infineon Technologies Ag Apparatus and method for secure sensing
EP3885743A1 (en) * 2008-06-10 2021-09-29 Xtralis Technologies Ltd Particle detection
DE102014200243B4 (en) 2014-01-09 2025-10-30 Robert Bosch Gmbh Smoke detectors with ambient light detection and procedures
EP3576063A3 (en) 2015-08-13 2020-01-29 Siemens Schweiz AG Smoke detector unit with led and photoreceiver, led chip in the led and photosensor for determining ageing and/or a light beam compensation level, and led
EP3539104B1 (en) 2016-11-11 2022-06-08 Carrier Corporation High sensitivity fiber optic based detection
CA3043587A1 (en) 2016-11-11 2018-05-17 Carrier Corporation High sensitivity fiber optic based detection
EP3539105B1 (en) * 2016-11-11 2024-09-11 Carrier Corporation High sensitivity fiber optic based detection
EP4300457A3 (en) 2016-11-11 2024-03-13 Carrier Corporation High sensitivity fiber optic based detection
US11127270B2 (en) 2016-11-11 2021-09-21 Carrier Corporation High sensitivity fiber optic based detection

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434658A (en) * 1972-12-27 1976-05-05 Electro Signal Lab Optical particle detectors with light scattering test device
GB2009399A (en) * 1977-11-29 1979-06-13 Chloride Inc Checking a smoke detector
GB2013329A (en) * 1978-01-24 1979-08-08 Berber Viktor A Photoelectric converter of sizes of particles contianed in flow of gas to electric pulses
US4166698A (en) * 1977-06-10 1979-09-04 American District Telegraph Company Secondary light testing in optical smoke detectors
GB2022816A (en) * 1978-06-09 1979-12-19 Grachev K A Instrument for Measuring the Sizes and Quantity of Particles in a Fluid Medium
GB2170597A (en) * 1985-01-31 1986-08-06 Thorn Emi Protech Limited Smoke detector
US4616928A (en) * 1984-06-20 1986-10-14 Kidde, Inc. Photoelectric smoke detector with adjustable background signal
US4680576A (en) * 1982-11-29 1987-07-14 Gentex Corporation Photoelectric smoke detector and alarm system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2208904C3 (en) * 1972-02-25 1975-11-06 Fruengel, Frank, Dr.-Ing., 2000 Hamburg Device for measuring sight bets
US4306230A (en) * 1979-12-10 1981-12-15 Honeywell Inc. Self-checking photoelectric smoke detector
US4432645A (en) * 1980-10-10 1984-02-21 Fruengel Frank Forward-scatter visibility meter
JPS6013449U (en) * 1983-03-31 1985-01-29 ホーチキ株式会社 Structure of smoke detection part of scattered light smoke detector
JPH0626844Y2 (en) * 1985-07-22 1994-07-20 能美防災株式会社 Mounting structure of light emitting element and light receiving element of photoelectric smoke detector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434658A (en) * 1972-12-27 1976-05-05 Electro Signal Lab Optical particle detectors with light scattering test device
US4166698A (en) * 1977-06-10 1979-09-04 American District Telegraph Company Secondary light testing in optical smoke detectors
GB2009399A (en) * 1977-11-29 1979-06-13 Chloride Inc Checking a smoke detector
GB2013329A (en) * 1978-01-24 1979-08-08 Berber Viktor A Photoelectric converter of sizes of particles contianed in flow of gas to electric pulses
GB2022816A (en) * 1978-06-09 1979-12-19 Grachev K A Instrument for Measuring the Sizes and Quantity of Particles in a Fluid Medium
US4680576A (en) * 1982-11-29 1987-07-14 Gentex Corporation Photoelectric smoke detector and alarm system
US4616928A (en) * 1984-06-20 1986-10-14 Kidde, Inc. Photoelectric smoke detector with adjustable background signal
GB2170597A (en) * 1985-01-31 1986-08-06 Thorn Emi Protech Limited Smoke detector

Also Published As

Publication number Publication date
WO1993006462A1 (en) 1993-04-01
GB9119942D0 (en) 1991-10-30
EP0604502A1 (en) 1994-07-06
GB2259761A (en) 1993-03-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080918

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090625 AND 20090701