AU3801772A - Fire detecting system - Google Patents

Fire detecting system

Info

Publication number
AU3801772A
AU3801772A AU38017/72A AU3801772A AU3801772A AU 3801772 A AU3801772 A AU 3801772A AU 38017/72 A AU38017/72 A AU 38017/72A AU 3801772 A AU3801772 A AU 3801772A AU 3801772 A AU3801772 A AU 3801772A
Authority
AU
Australia
Prior art keywords
detecting system
fire detecting
fire
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
AU38017/72A
Other versions
AU437726B2 (en
Inventor
Hayamiyuasa
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.)
Nittan Co Ltd
Original Assignee
Nittan Co 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Application granted granted Critical
Publication of AU437726B2 publication Critical patent/AU437726B2/en
Publication of AU3801772A publication Critical patent/AU3801772A/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
AU38017/72A 1972-01-18 Fire detecting system Expired AU437726B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP403271 1971-02-04

Publications (2)

Publication Number Publication Date
AU437726B2 AU437726B2 (en) 1973-07-26
AU3801772A true AU3801772A (en) 1973-07-26

Family

ID=

Also Published As

Publication number Publication date
DE2204101B1 (en) 1973-07-05
DE2204101C2 (en) 1974-01-31
US3797008A (en) 1974-03-12
FR2124329A1 (en) 1972-09-22
FR2124329B1 (en) 1975-10-24
CA944454A (en) 1974-03-26

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