AU7347787A - Improved security system - Google Patents

Improved security system

Info

Publication number
AU7347787A
AU7347787A AU73477/87A AU7347787A AU7347787A AU 7347787 A AU7347787 A AU 7347787A AU 73477/87 A AU73477/87 A AU 73477/87A AU 7347787 A AU7347787 A AU 7347787A AU 7347787 A AU7347787 A AU 7347787A
Authority
AU
Australia
Prior art keywords
security system
improved security
improved
security
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.)
Granted
Application number
AU73477/87A
Other versions
AU602336B2 (en
Inventor
David Nicholls
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.)
Cadin Electronics Pty Ltd
Original Assignee
Cadin Electronics 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 Cadin Electronics Pty Ltd filed Critical Cadin Electronics Pty Ltd
Priority to AU73477/87A priority Critical patent/AU602336B2/en
Publication of AU7347787A publication Critical patent/AU7347787A/en
Application granted granted Critical
Publication of AU602336B2 publication Critical patent/AU602336B2/en
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
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
AU73477/87A 1986-05-29 1987-05-25 Improved security system Ceased AU602336B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU73477/87A AU602336B2 (en) 1986-05-29 1987-05-25 Improved security system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPH616586 1986-05-29
AUPH6165 1986-05-29
AU73477/87A AU602336B2 (en) 1986-05-29 1987-05-25 Improved security system

Publications (2)

Publication Number Publication Date
AU7347787A true AU7347787A (en) 1987-12-03
AU602336B2 AU602336B2 (en) 1990-10-11

Family

ID=25637345

Family Applications (1)

Application Number Title Priority Date Filing Date
AU73477/87A Ceased AU602336B2 (en) 1986-05-29 1987-05-25 Improved security system

Country Status (1)

Country Link
AU (1) AU602336B2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592773A (en) * 1977-10-05 1981-07-08 Chubb Alarms Ltd Alarm systems
US4195286A (en) * 1978-01-06 1980-03-25 American District Telegraph Company Alarm system having improved false alarm rate and detection reliability
GB2137789A (en) * 1983-03-30 1984-10-10 Terrance Michael Hayes Intrusion detector installation

Also Published As

Publication number Publication date
AU602336B2 (en) 1990-10-11

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