AU474512B2 - Fire detection device - Google Patents

Fire detection device

Info

Publication number
AU474512B2
AU474512B2 AU70102/74A AU7010274A AU474512B2 AU 474512 B2 AU474512 B2 AU 474512B2 AU 70102/74 A AU70102/74 A AU 70102/74A AU 7010274 A AU7010274 A AU 7010274A AU 474512 B2 AU474512 B2 AU 474512B2
Authority
AU
Australia
Prior art keywords
detection device
fire detection
fire
detection
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
AU70102/74A
Other versions
AU7010274A (en
Inventor
Terence Cole Martin
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.)
IEI Pty Ltd
Original Assignee
IEI Pty 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 IEI Pty Ltd filed Critical IEI Pty Ltd
Priority to AU70102/74A priority Critical patent/AU474512B2/en
Application granted granted Critical
Publication of AU7010274A publication Critical patent/AU7010274A/en
Publication of AU474512B2 publication Critical patent/AU474512B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
AU70102/74A 1973-06-13 1973-06-13 Fire detection device Expired AU474512B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU70102/74A AU474512B2 (en) 1973-06-13 1973-06-13 Fire detection device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU70102/74A AU474512B2 (en) 1973-06-13 1973-06-13 Fire detection device
AU364273 1973-06-13

Publications (2)

Publication Number Publication Date
AU7010274A AU7010274A (en) 1975-12-18
AU474512B2 true AU474512B2 (en) 1975-12-18

Family

ID=25610265

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70102/74A Expired AU474512B2 (en) 1973-06-13 1973-06-13 Fire detection device

Country Status (1)

Country Link
AU (1) AU474512B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375671A1 (en) * 1976-12-22 1978-07-21 Goodyear Tire & Rubber SINGLE-WIRE POWER AND SIGNALING SYSTEM FOR AUXILIARY VEHICLE DEVICES
FR2497591A1 (en) * 1981-01-06 1982-07-09 Racal Mesl Security Ltd Tradin CIRCUIT FOR DETECTING THE OPERATION AND IDENTITY OF SWITCHING ELEMENTS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375671A1 (en) * 1976-12-22 1978-07-21 Goodyear Tire & Rubber SINGLE-WIRE POWER AND SIGNALING SYSTEM FOR AUXILIARY VEHICLE DEVICES
FR2497591A1 (en) * 1981-01-06 1982-07-09 Racal Mesl Security Ltd Tradin CIRCUIT FOR DETECTING THE OPERATION AND IDENTITY OF SWITCHING ELEMENTS

Also Published As

Publication number Publication date
AU7010274A (en) 1975-12-18

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