AU7330074A - Smoke detector - Google Patents

Smoke detector

Info

Publication number
AU7330074A
AU7330074A AU73300/74A AU7330074A AU7330074A AU 7330074 A AU7330074 A AU 7330074A AU 73300/74 A AU73300/74 A AU 73300/74A AU 7330074 A AU7330074 A AU 7330074A AU 7330074 A AU7330074 A AU 7330074A
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
AU73300/74A
Other versions
AU491019B2 (en
Inventor
J. Malinowski William
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.)
Pyrotector Inc
Original Assignee
Pyrotector 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 US449362A external-priority patent/US3917956A/en
Application filed by Pyrotector Inc filed Critical Pyrotector Inc
Application granted granted Critical
Publication of AU7330074A publication Critical patent/AU7330074A/en
Publication of AU491019B2 publication Critical patent/AU491019B2/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
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. 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
    • G08B17/103—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

Landscapes

  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
AU73300/74A 1973-11-26 1974-09-13 Smoke detector Expired AU491019B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41920673A 1973-11-26 1973-11-26
USUS419206 1973-11-26
US449362A US3917956A (en) 1974-03-08 1974-03-08 Smoke detector
USUS449362 1974-03-08

Publications (2)

Publication Number Publication Date
AU7330074A true AU7330074A (en) 1976-03-18
AU491019B2 AU491019B2 (en) 1976-03-18

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU581208B2 (en) * 1984-03-05 1989-02-16 Hochiki Kabushiki Kaisha Fire detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU581208B2 (en) * 1984-03-05 1989-02-16 Hochiki Kabushiki Kaisha Fire detector

Also Published As

Publication number Publication date
IL45331A0 (en) 1974-10-22
CH599645A5 (en) 1978-05-31
FR2254024B3 (en) 1979-02-02
CH580848A5 (en) 1976-10-15
BR7408707D0 (en) 1975-08-26
IN143206B (en) 1977-10-15
JPS50114275A (en) 1975-09-08
FR2254024A1 (en) 1975-07-04
NL7410079A (en) 1975-05-28
GB1490866A (en) 1977-11-02
IL45331A (en) 1977-12-30
DE2448195C2 (en) 1984-08-23
CS186786B2 (en) 1978-12-29
DE2462876C2 (en) 1983-06-09
CA1056931A (en) 1979-06-19
DE2448195A1 (en) 1975-05-28

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