FI843445A - SYSTEM FOER FOERHINDRING AV BUTIKSSTOELDER. - Google Patents

SYSTEM FOER FOERHINDRING AV BUTIKSSTOELDER. Download PDF

Info

Publication number
FI843445A
FI843445A FI843445A FI843445A FI843445A FI 843445 A FI843445 A FI 843445A FI 843445 A FI843445 A FI 843445A FI 843445 A FI843445 A FI 843445A FI 843445 A FI843445 A FI 843445A
Authority
FI
Finland
Prior art keywords
foerhindring
butiksstoelder
system foer
foer
foer foerhindring
Prior art date
Application number
FI843445A
Other languages
Finnish (fi)
Other versions
FI843445A0 (en
Inventor
Roger Scarr
Edward R Fearon
Original Assignee
Shin Myong
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 Shin Myong filed Critical Shin Myong
Publication of FI843445A publication Critical patent/FI843445A/en
Publication of FI843445A0 publication Critical patent/FI843445A0/en

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
    • G08B13/2408—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 ferromagnetic 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
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
    • 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
    • G08B13/2477—Antenna or antenna activator circuit

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)
  • Burglar Alarm Systems (AREA)
FI843445A 1983-01-03 1984-09-03 SYSTEM FOER FOERHINDRING AV BUTIKSSTOELDER. FI843445A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1983/000010 WO1984002789A1 (en) 1983-01-03 1983-01-03 Anti-shoplifting system

Publications (2)

Publication Number Publication Date
FI843445A true FI843445A (en) 1984-09-03
FI843445A0 FI843445A0 (en) 1984-09-03

Family

ID=22174796

Family Applications (1)

Application Number Title Priority Date Filing Date
FI843445A FI843445A0 (en) 1983-01-03 1984-09-03 SYSTEM FOER FOERHINDRING AV BUTIKSSTOELDER.

Country Status (6)

Country Link
EP (1) EP0130973A1 (en)
AU (1) AU1152083A (en)
DK (1) DK420084A (en)
FI (1) FI843445A0 (en)
NO (1) NO843503L (en)
WO (1) WO1984002789A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180123B (en) * 1984-12-21 1989-01-18 Senezco Limited Transponder systems
US4675658A (en) * 1985-09-17 1987-06-23 Allied Corporation System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna
US6681989B2 (en) * 2002-01-15 2004-01-27 International Business Machines Corporation Inventory control and point-of-sale system and method
NL1028330C2 (en) * 2005-02-18 2006-08-21 Nedap Nv Smart Shelf.
EP3688871B1 (en) 2017-09-27 2023-08-02 Renesas Electronics America Inc. Inductive proximity switch

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790945A (en) * 1968-03-22 1974-02-05 Stoplifter Int Inc Open-strip ferromagnetic marker and method and system for using same
US3820104A (en) * 1972-12-15 1974-06-25 Stop Loss Inc Method and system for detecting an object within a magnetic field interrogation zone
US3938125A (en) * 1974-02-20 1976-02-10 Minnesota Mining And Manufacturing Company Antipilferage system and marker therefor
NL7702946A (en) * 1976-04-03 1977-10-05 Bizerba Werke Kraut Kg Wilh METHOD AND ARRANGEMENT FOR DETERMINING THE PRESENCE OF OBJECTS IN A PARTICULAR CONTROL AREA, IN PARTICULAR FOR PREVENTION OF SHOP THEFT.
US4260990A (en) * 1979-11-08 1981-04-07 Lichtblau G J Asymmetrical antennas for use in electronic security systems
US4251808A (en) * 1979-11-15 1981-02-17 Lichtblau G J Shielded balanced loop antennas for electronic security systems
US4300183A (en) * 1980-03-27 1981-11-10 Richardson Robert H Method and apparatus for generating alternating magnetic fields to produce harmonic signals from a metallic strip

Also Published As

Publication number Publication date
DK420084A (en) 1984-11-01
FI843445A0 (en) 1984-09-03
EP0130973A1 (en) 1985-01-16
WO1984002789A1 (en) 1984-07-19
NO843503L (en) 1984-09-03
AU1152083A (en) 1984-08-02
DK420084D0 (en) 1984-08-31

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: SHIN, MYONG