AU469354B2 - Electric alarm systems - Google Patents

Electric alarm systems

Info

Publication number
AU469354B2
AU469354B2 AU31235/71A AU3123571A AU469354B2 AU 469354 B2 AU469354 B2 AU 469354B2 AU 31235/71 A AU31235/71 A AU 31235/71A AU 3123571 A AU3123571 A AU 3123571A AU 469354 B2 AU469354 B2 AU 469354B2
Authority
AU
Australia
Prior art keywords
alarm systems
electric alarm
electric
systems
alarm
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
AU31235/71A
Other versions
AU3123571A (en
Inventor
HENRY MINTER and BRIAN JONES RONALD
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.)
BARDIC SYSTEMS Ltd
Original Assignee
BARDIC 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 BARDIC SYSTEMS Ltd filed Critical BARDIC SYSTEMS Ltd
Publication of AU3123571A publication Critical patent/AU3123571A/en
Application granted granted Critical
Publication of AU469354B2 publication Critical patent/AU469354B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Burglar Alarm Systems (AREA)
AU31235/71A 1970-07-16 1971-07-15 Electric alarm systems Expired AU469354B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB34545/70 1970-07-16
GB3454570 1970-07-16

Publications (2)

Publication Number Publication Date
AU3123571A AU3123571A (en) 1973-01-18
AU469354B2 true AU469354B2 (en) 1976-02-12

Family

ID=10366948

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31235/71A Expired AU469354B2 (en) 1970-07-16 1971-07-15 Electric alarm systems

Country Status (3)

Country Link
AU (1) AU469354B2 (en)
GB (1) GB1351748A (en)
ZA (1) ZA714690B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389949B1 (en) * 1977-05-04 1981-06-12 Klaxon Sa
US4282519A (en) * 1977-10-06 1981-08-04 Honeywell Inc. Interconnection of alarms of smoke detectors with distinguishable alarms
US4176346A (en) * 1977-11-21 1979-11-27 John O. Stapleton Smoke alarm network
DE2752959A1 (en) * 1977-11-28 1979-05-31 Walter Holzer WARNING AND ALARM SYSTEM
US4194192A (en) * 1978-12-11 1980-03-18 General Electric Company Alarm devices for interconnected multi-device systems
SE423317B (en) * 1979-06-13 1982-05-03 Bofors Ab SET AND DEVICE FOR DISPLACING THE SPRINKLER MENZES
US5200734A (en) * 1992-01-06 1993-04-06 Lin Tieng Fu Detecting and alarming system for detecting shortcircuited or broken circuit

Also Published As

Publication number Publication date
GB1351748A (en) 1974-05-01
AU3123571A (en) 1973-01-18
ZA714690B (en) 1973-02-28

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