AU8682975A - Proximity detection - Google Patents

Proximity detection

Info

Publication number
AU8682975A
AU8682975A AU86829/75A AU8682975A AU8682975A AU 8682975 A AU8682975 A AU 8682975A AU 86829/75 A AU86829/75 A AU 86829/75A AU 8682975 A AU8682975 A AU 8682975A AU 8682975 A AU8682975 A AU 8682975A
Authority
AU
Australia
Prior art keywords
proximity detection
proximity
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
AU86829/75A
Inventor
Alexander Stuart Rennie
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.)
Rennie A S
Original Assignee
Rennie A S
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 Rennie A S filed Critical Rennie A S
Publication of AU8682975A publication Critical patent/AU8682975A/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
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
AU86829/75A 1974-11-27 1974-11-27 Proximity detection Expired AU8682975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU979274 1974-11-27

Publications (1)

Publication Number Publication Date
AU8682975A true AU8682975A (en) 1977-05-26

Family

ID=3700590

Family Applications (1)

Application Number Title Priority Date Filing Date
AU86829/75A Expired AU8682975A (en) 1974-11-27 1974-11-27 Proximity detection

Country Status (1)

Country Link
AU (1) AU8682975A (en)

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