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AU577551B2 - Improvements relating to smoke detection apparatus - Google Patents

Improvements relating to smoke detection apparatus

Info

Publication number
AU577551B2
AU577551B2 AU34537/84A AU3453784A AU577551B2 AU 577551 B2 AU577551 B2 AU 577551B2 AU 34537/84 A AU34537/84 A AU 34537/84A AU 3453784 A AU3453784 A AU 3453784A AU 577551 B2 AU577551 B2 AU 577551B2
Authority
AU
Australia
Prior art keywords
detection apparatus
smoke detection
improvements relating
relating
smoke
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.)
Ceased
Application number
AU34537/84A
Other versions
AU3453784A (en
Inventor
Martin Terence Cole
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.)
Vision Systems Ltd
Original Assignee
Vision Systems 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 Vision Systems Ltd filed Critical Vision Systems Ltd
Priority to AU34537/84A priority Critical patent/AU577551B2/en
Priority to EP19840307232 priority patent/EP0145189B1/en
Publication of AU3453784A publication Critical patent/AU3453784A/en
Application granted granted Critical
Publication of AU577551B2 publication Critical patent/AU577551B2/en
Assigned to VISION SYSTEMS LIMITED reassignment VISION SYSTEMS LIMITED Alteration of Name(s) in Register under S187 Assignors: COLE, MARTIN TERENCE
Anticipated expiration legal-status Critical
Ceased 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
AU34537/84A 1983-10-21 1984-10-19 Improvements relating to smoke detection apparatus Ceased AU577551B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU34537/84A AU577551B2 (en) 1983-10-21 1984-10-19 Improvements relating to smoke detection apparatus
EP19840307232 EP0145189B1 (en) 1983-10-21 1984-10-19 Improvements relating to smoke detection apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPG1975 1983-10-21
AU34537/84A AU577551B2 (en) 1983-10-21 1984-10-19 Improvements relating to smoke detection apparatus

Publications (2)

Publication Number Publication Date
AU3453784A AU3453784A (en) 1985-04-26
AU577551B2 true AU577551B2 (en) 1988-09-29

Family

ID=3721847

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34537/84A Ceased AU577551B2 (en) 1983-10-21 1984-10-19 Improvements relating to smoke detection apparatus

Country Status (1)

Country Link
AU (1) AU577551B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508313B2 (en) 2000-02-10 2009-03-24 Siemens Aktiengesellschaft Smoke detectors particularly ducted smoke detectors
US7551277B2 (en) 2003-10-23 2009-06-23 Siemens Schweiz Ag Particle monitors and method(s) therefor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278205A (en) * 1970-02-11 1972-06-21 Shorrock Develpoments Ltd Smoke detecting device
GB1490867A (en) * 1974-03-08 1977-11-02 Pyrotector Inc Detectors
AU3184184A (en) * 1983-08-12 1985-02-14 Vision Systems Limited Pollution detecting apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278205A (en) * 1970-02-11 1972-06-21 Shorrock Develpoments Ltd Smoke detecting device
GB1490867A (en) * 1974-03-08 1977-11-02 Pyrotector Inc Detectors
AU3184184A (en) * 1983-08-12 1985-02-14 Vision Systems Limited Pollution detecting apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508313B2 (en) 2000-02-10 2009-03-24 Siemens Aktiengesellschaft Smoke detectors particularly ducted smoke detectors
US7551277B2 (en) 2003-10-23 2009-06-23 Siemens Schweiz Ag Particle monitors and method(s) therefor
US7724367B2 (en) 2003-10-23 2010-05-25 Siemens Schweiz Ag Particle monitors and method(s) therefor
US7738098B2 (en) 2003-10-23 2010-06-15 Siemens Schweiz Ag Particle monitors and method(s) therefor

Also Published As

Publication number Publication date
AU3453784A (en) 1985-04-26

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired