AU489868B2 - Electronic security system - Google Patents

Electronic security system

Info

Publication number
AU489868B2
AU489868B2 AU61734/73A AU6173473A AU489868B2 AU 489868 B2 AU489868 B2 AU 489868B2 AU 61734/73 A AU61734/73 A AU 61734/73A AU 6173473 A AU6173473 A AU 6173473A AU 489868 B2 AU489868 B2 AU 489868B2
Authority
AU
Australia
Prior art keywords
security system
electronic security
electronic
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.)
Expired
Application number
AU61734/73A
Other versions
AU6173473A (en
Inventor
Jay Lichtblau George
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU61734/73A priority Critical patent/AU489868B2/en
Application granted granted Critical
Publication of AU6173473A publication Critical patent/AU6173473A/en
Publication of AU489868B2 publication Critical patent/AU489868B2/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
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2414—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
AU61734/73A 1973-10-24 1973-10-24 Electronic security system Expired AU489868B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU61734/73A AU489868B2 (en) 1973-10-24 1973-10-24 Electronic security system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU61734/73A AU489868B2 (en) 1973-10-24 1973-10-24 Electronic security system

Publications (2)

Publication Number Publication Date
AU6173473A AU6173473A (en) 1975-04-24
AU489868B2 true AU489868B2 (en) 1975-04-24

Family

ID=3746697

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61734/73A Expired AU489868B2 (en) 1973-10-24 1973-10-24 Electronic security system

Country Status (1)

Country Link
AU (1) AU489868B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU615486B2 (en) * 1983-12-29 1991-10-03 Revlon Inc. Rapid inventory data acquisition system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU615486B2 (en) * 1983-12-29 1991-10-03 Revlon Inc. Rapid inventory data acquisition system

Also Published As

Publication number Publication date
AU6173473A (en) 1975-04-24

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