AU516023B2 - Smoke detector - Google Patents

Smoke detector

Info

Publication number
AU516023B2
AU516023B2 AU41980/78A AU4198078A AU516023B2 AU 516023 B2 AU516023 B2 AU 516023B2 AU 41980/78 A AU41980/78 A AU 41980/78A AU 4198078 A AU4198078 A AU 4198078A AU 516023 B2 AU516023 B2 AU 516023B2
Authority
AU
Australia
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
AU41980/78A
Other versions
AU4198078A (en
Inventor
W F Doherty
W J Malinowski
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 Inc
Original Assignee
Chloride Inc
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
Priority claimed from US05/855,624 external-priority patent/US4144459A/en
Priority claimed from US05/855,623 external-priority patent/US4144458A/en
Application filed by Chloride Inc filed Critical Chloride Inc
Publication of AU4198078A publication Critical patent/AU4198078A/en
Application granted granted Critical
Publication of AU516023B2 publication Critical patent/AU516023B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4785—Standardising light scatter apparatus; Standards therefor
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AU41980/78A 1977-11-29 1978-11-28 Smoke detector Expired AU516023B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/855,624 US4144459A (en) 1977-11-29 1977-11-29 Smoke detector with test means for simulating a predetermined percentage of smoke
US05/855,623 US4144458A (en) 1977-11-29 1977-11-29 Smoke detector with test means for simulating a predetermined concentration of smoke

Publications (2)

Publication Number Publication Date
AU4198078A AU4198078A (en) 1979-06-07
AU516023B2 true AU516023B2 (en) 1981-05-14

Family

ID=27127301

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41980/78A Expired AU516023B2 (en) 1977-11-29 1978-11-28 Smoke detector

Country Status (5)

Country Link
JP (1) JPS5491395A (en)
AU (1) AU516023B2 (en)
CA (1) CA1119269A (en)
DE (1) DE2851660A1 (en)
GB (1) GB2009399B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306230A (en) * 1979-12-10 1981-12-15 Honeywell Inc. Self-checking photoelectric smoke detector
JPS626144A (en) * 1985-07-03 1987-01-13 Nittan Co Ltd Photoelectric type smoke sensor
GB2259761B (en) * 1991-09-18 1995-04-05 Graviner Ltd Kidde Smoke and particle detector
JP3251407B2 (en) * 1993-12-22 2002-01-28 能美防災株式会社 Photoelectric fire detector and adjuster
US11132891B2 (en) * 2019-08-27 2021-09-28 Honeywell International Inc. Self-testing fire sensing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021792A (en) * 1975-06-23 1977-05-03 Wellen Industries Smoke alarm
JPS52141682A (en) * 1976-05-20 1977-11-26 Matsushita Electric Works Ltd Sensitivity tester of photoelectric sensor

Also Published As

Publication number Publication date
GB2009399B (en) 1982-05-19
GB2009399A (en) 1979-06-13
AU4198078A (en) 1979-06-07
DE2851660A1 (en) 1979-06-07
CA1119269A (en) 1982-03-02
JPS5491395A (en) 1979-07-19

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