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AU455486B2 - Alarm system - Google Patents
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AU455486B2 - Alarm system - Google Patents

Alarm system

Info

Publication number
AU455486B2
AU455486B2 AU23446/70A AU2344670A AU455486B2 AU 455486 B2 AU455486 B2 AU 455486B2 AU 23446/70 A AU23446/70 A AU 23446/70A AU 2344670 A AU2344670 A AU 2344670A AU 455486 B2 AU455486 B2 AU 455486B2
Authority
AU
Australia
Prior art keywords
alarm system
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
AU23446/70A
Other versions
AU2344670A (en
Inventor
Stevenson Louisa. Jr
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.)
At-Omc
Original Assignee
At-Omc
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 At-Omc filed Critical At-Omc
Priority to AU23446/70A priority Critical patent/AU455486B2/en
Publication of AU2344670A publication Critical patent/AU2344670A/en
Application granted granted Critical
Publication of AU455486B2 publication Critical patent/AU455486B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1672—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using sonic detecting means, e.g. a microphone operating in the audio frequency range

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
AU23446/70A 1970-12-16 1970-12-16 Alarm system Expired AU455486B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23446/70A AU455486B2 (en) 1970-12-16 1970-12-16 Alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU23446/70A AU455486B2 (en) 1970-12-16 1970-12-16 Alarm system

Publications (2)

Publication Number Publication Date
AU2344670A AU2344670A (en) 1972-06-22
AU455486B2 true AU455486B2 (en) 1974-11-08

Family

ID=3712547

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23446/70A Expired AU455486B2 (en) 1970-12-16 1970-12-16 Alarm system

Country Status (1)

Country Link
AU (1) AU455486B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU572705B2 (en) * 1985-11-06 1988-05-12 Metlitzky, I. Alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU572705B2 (en) * 1985-11-06 1988-05-12 Metlitzky, I. Alarm system

Also Published As

Publication number Publication date
AU2344670A (en) 1972-06-22

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