GB2043977B - Detector for detecting smoke or fire - Google Patents

Detector for detecting smoke or fire

Info

Publication number
GB2043977B
GB2043977B GB8005231A GB8005231A GB2043977B GB 2043977 B GB2043977 B GB 2043977B GB 8005231 A GB8005231 A GB 8005231A GB 8005231 A GB8005231 A GB 8005231A GB 2043977 B GB2043977 B GB 2043977B
Authority
GB
United Kingdom
Prior art keywords
fire
detector
detecting smoke
smoke
detecting
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
GB8005231A
Other versions
GB2043977A (en
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.)
Gamewell Corp
Original Assignee
Gamewell Corp
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 Gamewell Corp filed Critical Gamewell Corp
Publication of GB2043977A publication Critical patent/GB2043977A/en
Application granted granted Critical
Publication of GB2043977B publication Critical patent/GB2043977B/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

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)
GB8005231A 1979-02-21 1980-02-15 Detector for detecting smoke or fire Expired GB2043977B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1339879A 1979-02-21 1979-02-21

Publications (2)

Publication Number Publication Date
GB2043977A GB2043977A (en) 1980-10-08
GB2043977B true GB2043977B (en) 1983-04-20

Family

ID=21759757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8005231A Expired GB2043977B (en) 1979-02-21 1980-02-15 Detector for detecting smoke or fire

Country Status (3)

Country Link
AU (1) AU530556B2 (en)
DE (1) DE2937686A1 (en)
GB (1) GB2043977B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150096A (en) * 1984-12-25 1986-07-08 ニツタン株式会社 Fire alarm
CH677413A5 (en) * 1988-06-10 1991-05-15 Cerberus Ag
DE4028188A1 (en) * 1990-09-05 1992-03-12 Esser Sicherheitstechnik FIRE DETECTORS WITH A SPARKLIGHT AND IONIZATION SYSTEM
FI916182A (en) * 1991-01-18 1992-07-19 Hochiki Co COMBINATION METHOD FOER FASTSTAELLANDE AV BRAND.
US6362743B1 (en) * 1999-09-09 2002-03-26 Ranco Incorporated Of Delaware Smoke alarm with dual sensing technologies and dual power sources

Also Published As

Publication number Publication date
AU530556B2 (en) 1983-07-21
DE2937686A1 (en) 1980-09-11
GB2043977A (en) 1980-10-08
AU5259179A (en) 1981-06-25

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Legal Events

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