GB2286667B - Smoke detector - Google Patents

Smoke detector

Info

Publication number
GB2286667B
GB2286667B GB9402871A GB9402871A GB2286667B GB 2286667 B GB2286667 B GB 2286667B GB 9402871 A GB9402871 A GB 9402871A GB 9402871 A GB9402871 A GB 9402871A GB 2286667 B GB2286667 B GB 2286667B
Authority
GB
United Kingdom
Prior art keywords
smoke detector
smoke
detector
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
GB9402871A
Other versions
GB9402871D0 (en
GB2286667A (en
Inventor
John A Sheehan
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.)
TRANSMOULD Ltd
Menvier Research Ltd
Original Assignee
TRANSMOULD Ltd
Menvier Research 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 TRANSMOULD Ltd, Menvier Research Ltd filed Critical TRANSMOULD Ltd
Priority to GB9402871A priority Critical patent/GB2286667B/en
Publication of GB9402871D0 publication Critical patent/GB9402871D0/en
Publication of GB2286667A publication Critical patent/GB2286667A/en
Application granted granted Critical
Publication of GB2286667B publication Critical patent/GB2286667B/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

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)
GB9402871A 1994-02-15 1994-02-15 Smoke detector Expired - Fee Related GB2286667B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9402871A GB2286667B (en) 1994-02-15 1994-02-15 Smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9402871A GB2286667B (en) 1994-02-15 1994-02-15 Smoke detector

Publications (3)

Publication Number Publication Date
GB9402871D0 GB9402871D0 (en) 1994-04-06
GB2286667A GB2286667A (en) 1995-08-23
GB2286667B true GB2286667B (en) 1997-12-24

Family

ID=10750392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9402871A Expired - Fee Related GB2286667B (en) 1994-02-15 1994-02-15 Smoke detector

Country Status (1)

Country Link
GB (1) GB2286667B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2342987B (en) * 1998-10-20 2003-03-19 David Appleby Improved smoke sensor with a fault monitoring capability
DE102015004458B4 (en) 2014-06-26 2016-05-12 Elmos Semiconductor Aktiengesellschaft Apparatus and method for a classifying, smokeless air condition sensor for predicting a following operating condition
DE102014019172B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system
DE102014019773B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1533192A (en) * 1976-04-01 1978-11-22 Cerberus Ag Smoke sensor
GB1572885A (en) * 1977-11-21 1980-08-06 Cerberus Ag Smoke detector
EP0014874A2 (en) * 1979-02-26 1980-09-03 Cerberus Ag Fire detector using pulsed radiation
GB2066451A (en) * 1979-12-17 1981-07-08 Cerberus Ag Scattered-radiation smoke detector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1533192A (en) * 1976-04-01 1978-11-22 Cerberus Ag Smoke sensor
GB1572885A (en) * 1977-11-21 1980-08-06 Cerberus Ag Smoke detector
EP0014874A2 (en) * 1979-02-26 1980-09-03 Cerberus Ag Fire detector using pulsed radiation
GB2066451A (en) * 1979-12-17 1981-07-08 Cerberus Ag Scattered-radiation smoke detector

Also Published As

Publication number Publication date
GB9402871D0 (en) 1994-04-06
GB2286667A (en) 1995-08-23

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050215