AU3121984A - Microwave anti-theft system - Google Patents

Microwave anti-theft system

Info

Publication number
AU3121984A
AU3121984A AU31219/84A AU3121984A AU3121984A AU 3121984 A AU3121984 A AU 3121984A AU 31219/84 A AU31219/84 A AU 31219/84A AU 3121984 A AU3121984 A AU 3121984A AU 3121984 A AU3121984 A AU 3121984A
Authority
AU
Australia
Prior art keywords
theft system
microwave anti
microwave
theft
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
AU31219/84A
Other versions
AU573749B2 (en
Inventor
Philip Fancher
Samuel Sensiper
Harold B Williams
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.)
Zeneca Inc
Original Assignee
ICI Americas Inc
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 ICI Americas Inc filed Critical ICI Americas Inc
Publication of AU3121984A publication Critical patent/AU3121984A/en
Application granted granted Critical
Publication of AU573749B2 publication Critical patent/AU573749B2/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
    • 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
    • G08B13/2422—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 acoustic or microwave 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
    • G08B13/2465—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
    • 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
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout

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)
  • Acoustics & Sound (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU31219/84A 1983-08-01 1984-07-27 Microwave anti-theft system Ceased AU573749B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51939583A 1983-08-01 1983-08-01
US519395 1983-08-01

Publications (2)

Publication Number Publication Date
AU3121984A true AU3121984A (en) 1985-02-07
AU573749B2 AU573749B2 (en) 1988-06-23

Family

ID=24068144

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31219/84A Ceased AU573749B2 (en) 1983-08-01 1984-07-27 Microwave anti-theft system

Country Status (9)

Country Link
EP (1) EP0135049B1 (en)
JP (1) JPS60100071A (en)
AR (1) AR241390A1 (en)
AT (1) ATE35063T1 (en)
AU (1) AU573749B2 (en)
BR (1) BR8403774A (en)
CA (1) CA1233540A (en)
DE (1) DE3472019D1 (en)
NZ (1) NZ209068A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647910A (en) * 1985-09-17 1987-03-03 Allied Corporation Selector for AC magnetic inductive field receiver coils
DE4436975B4 (en) * 1994-10-15 2007-10-25 Meto International Gmbh Method for electronic article surveillance
US7127255B2 (en) 2002-10-01 2006-10-24 Trango Systems, Inc. Wireless point to multipoint system
CN1860491A (en) * 2003-09-29 2006-11-08 皇家飞利浦电子股份有限公司 System, station, device and method for obtaining quantities
JP2006020083A (en) 2004-07-01 2006-01-19 Omron Corp Antenna for tag communication, tag communication device, tag communication system, scan adjusting method of tag communication device, and scan adjustment program
EP1684247A1 (en) * 2005-01-20 2006-07-26 Inventio Ag Protection of goods against theft, method for installing such protection and method for protecting goods against theft
US7576655B2 (en) 2005-03-29 2009-08-18 Accu-Sort Systems, Inc. RFID conveyor system and method
US8854212B2 (en) 2009-03-30 2014-10-07 Datalogic Automation, Inc. Radio frequency identification tag identification system
US10367259B2 (en) 2017-01-12 2019-07-30 Arris Enterprises Llc Antenna with enhanced azimuth gain
CN115275643A (en) * 2022-08-29 2022-11-01 重庆大学 Microstrip antenna with customizable beam inclination angle and design method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO126975B (en) * 1967-03-30 1973-04-16 John Welsh
US3680136A (en) * 1971-10-20 1972-07-25 Us Navy Current sheet antenna
US3895368A (en) * 1972-08-09 1975-07-15 Sensormatic Electronics Corp Surveillance system and method utilizing both electrostatic and electromagnetic fields
US4366484A (en) * 1978-12-29 1982-12-28 Ball Corporation Temperature compensated radio frequency antenna and methods related thereto
US4386357A (en) * 1981-05-21 1983-05-31 Martin Marietta Corporation Patch antenna having tuning means for improved performance

Also Published As

Publication number Publication date
BR8403774A (en) 1985-07-02
CA1233540A (en) 1988-03-01
AR241390A1 (en) 1992-06-30
EP0135049A1 (en) 1985-03-27
DE3472019D1 (en) 1988-07-14
JPS60100071A (en) 1985-06-03
NZ209068A (en) 1988-03-30
AU573749B2 (en) 1988-06-23
EP0135049B1 (en) 1988-06-08
ATE35063T1 (en) 1988-06-15

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