AU496387B2 - Intrusion detection system - Google Patents

Intrusion detection system

Info

Publication number
AU496387B2
AU496387B2 AU81049/75A AU8104975A AU496387B2 AU 496387 B2 AU496387 B2 AU 496387B2 AU 81049/75 A AU81049/75 A AU 81049/75A AU 8104975 A AU8104975 A AU 8104975A AU 496387 B2 AU496387 B2 AU 496387B2
Authority
AU
Australia
Prior art keywords
detection system
intrusion detection
intrusion
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
AU81049/75A
Other versions
AU8104975A (en
Inventor
R. Hackett Kenneth
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.)
Pittway Corp
Original Assignee
Pittway Corp
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 Pittway Corp filed Critical Pittway Corp
Priority to AU81049/75A priority Critical patent/AU496387B2/en
Application granted granted Critical
Publication of AU8104975A publication Critical patent/AU8104975A/en
Publication of AU496387B2 publication Critical patent/AU496387B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
AU81049/75A 1975-05-12 1975-05-12 Intrusion detection system Expired AU496387B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU81049/75A AU496387B2 (en) 1975-05-12 1975-05-12 Intrusion detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU81049/75A AU496387B2 (en) 1975-05-12 1975-05-12 Intrusion detection system

Publications (2)

Publication Number Publication Date
AU8104975A AU8104975A (en) 1976-11-18
AU496387B2 true AU496387B2 (en) 1976-11-18

Family

ID=3760009

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81049/75A Expired AU496387B2 (en) 1975-05-12 1975-05-12 Intrusion detection system

Country Status (1)

Country Link
AU (1) AU496387B2 (en)

Also Published As

Publication number Publication date
AU8104975A (en) 1976-11-18

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