GB1548282A - Smoke detector - Google Patents

Smoke detector

Info

Publication number
GB1548282A
GB1548282A GB25457/76A GB2545776A GB1548282A GB 1548282 A GB1548282 A GB 1548282A GB 25457/76 A GB25457/76 A GB 25457/76A GB 2545776 A GB2545776 A GB 2545776A GB 1548282 A GB1548282 A GB 1548282A
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
Application number
GB25457/76A
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.)
CHLORIDE BATTERIJEN BV
Original Assignee
CHLORIDE BATTERIJEN BV
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 CHLORIDE BATTERIJEN BV filed Critical CHLORIDE BATTERIJEN BV
Publication of GB1548282A publication Critical patent/GB1548282A/en
Expired 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
    • G08B17/11—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
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB25457/76A 1975-06-23 1976-06-18 Smoke detector Expired GB1548282A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58904475A 1975-06-23 1975-06-23

Publications (1)

Publication Number Publication Date
GB1548282A true GB1548282A (en) 1979-07-11

Family

ID=24356367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25457/76A Expired GB1548282A (en) 1975-06-23 1976-06-18 Smoke detector

Country Status (7)

Country Link
JP (1) JPS527287A (en)
AU (2) AU498981B2 (en)
BR (1) BR7604035A (en)
CA (1) CA1067597A (en)
DE (1) DE2628146C2 (en)
FR (1) FR2317647A1 (en)
GB (1) GB1548282A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151384A (en) * 1983-12-13 1985-07-17 Nittan Co Ltd Environmental alarms

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2907173A1 (en) * 1979-02-23 1980-09-04 Hekatron Gmbh CIRCUIT ARRANGEMENT FOR AN OPTICAL FLUE GAS DETECTOR
DE10132540A1 (en) * 2001-07-09 2003-01-30 Pwb Ruhlatec Ind Prod Gmbh Method and device for signal stabilization
DE10356224A1 (en) 2003-12-02 2005-06-30 Pwb-Ruhlatec Industrieprodukte Gmbh Timing disc attachment
JP2020204837A (en) * 2019-06-14 2020-12-24 鹿島建設株式会社 Fire monitoring system and fire monitoring method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH506147A (en) * 1968-02-29 1971-04-15 Brk Electronics Electric fire detection device
DE2121382A1 (en) * 1971-04-30 1972-12-21 Preussag Ag Feuerschutz Iomsations fire alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151384A (en) * 1983-12-13 1985-07-17 Nittan Co Ltd Environmental alarms

Also Published As

Publication number Publication date
AU498981B2 (en) 1979-03-29
FR2317647B1 (en) 1980-02-15
AU1512976A (en) 1978-01-05
JPS527287A (en) 1977-01-20
BR7604035A (en) 1977-06-28
CA1067597A (en) 1979-12-04
FR2317647A1 (en) 1977-02-04
DE2628146A1 (en) 1977-01-20
DE2628146C2 (en) 1982-02-04

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee