BR9402423A - Transpondedor divisor de frequência e sistema de detecção de presença - Google Patents

Transpondedor divisor de frequência e sistema de detecção de presença

Info

Publication number
BR9402423A
BR9402423A BR9402423A BR9402423A BR9402423A BR 9402423 A BR9402423 A BR 9402423A BR 9402423 A BR9402423 A BR 9402423A BR 9402423 A BR9402423 A BR 9402423A BR 9402423 A BR9402423 A BR 9402423A
Authority
BR
Brazil
Prior art keywords
transponder
detection system
frequency divider
presence detection
divider
Prior art date
Application number
BR9402423A
Other languages
English (en)
Inventor
Ming Ren Lian
Original Assignee
Security Tagh Systems 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 Security Tagh Systems Inc filed Critical Security Tagh Systems Inc
Publication of BR9402423A publication Critical patent/BR9402423A/pt

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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered 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
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
BR9402423A 1993-06-16 1994-06-15 Transpondedor divisor de frequência e sistema de detecção de presença BR9402423A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/078,745 US5414412A (en) 1993-06-16 1993-06-16 Frequency dividing transponder, including amorphous magnetic alloy and tripole strip of magnetic material

Publications (1)

Publication Number Publication Date
BR9402423A true BR9402423A (pt) 1995-01-17

Family

ID=22145969

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9402423A BR9402423A (pt) 1993-06-16 1994-06-15 Transpondedor divisor de frequência e sistema de detecção de presença

Country Status (6)

Country Link
US (1) US5414412A (pt)
EP (1) EP0629982B1 (pt)
JP (1) JPH07167949A (pt)
BR (1) BR9402423A (pt)
CA (1) CA2123864A1 (pt)
DE (1) DE69401998T2 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5565847A (en) * 1994-11-23 1996-10-15 International Business Machines Corporation Magnetic tag using acoustic or magnetic interrogation
SE506167C2 (sv) 1996-02-12 1997-11-17 Rso Corp Givare för beröringsfri detektering av föremål
DE19642225A1 (de) * 1996-10-12 1998-04-16 Esselte Meto Int Gmbh Sicherungselement für die elektronische Artikelsicherung und Verfahren zur Herstellung eines Sicherungselementes
US6229445B1 (en) * 1997-01-13 2001-05-08 Tecsec, Incorporated RF identification process and apparatus
SE521232C2 (sv) 1997-02-17 2003-10-14 Rso Corp Givare och metod för beröringsfri detektering av föremål
US6692672B1 (en) 1997-06-02 2004-02-17 Avery Dennison Corporation EAS marker and method of manufacturing same
US6067016A (en) * 1997-06-02 2000-05-23 Avery Dennison Corporation EAS marker and method of manufacturing same
EP1032926A4 (en) * 1997-11-21 2007-08-22 Avery Dennison Corp SAE LABEL (ELECTRONIC ARTICLE MONITORING) AND METHOD OF MANUFACTURING THE SAME
US6100788A (en) * 1997-12-29 2000-08-08 Storage Technology Corporation Multifunctional electromagnetic transponder device and method for performing same
US6199309B1 (en) * 1998-10-06 2001-03-13 Contempo Card Company, Inc. Merchandising markers accomodating anti-theft sensor
DE60143429D1 (de) * 2000-05-08 2010-12-23 Checkpoint Systems Inc Radiofrequenzdetektions- und identifikationssystem
US6426700B1 (en) * 2000-05-31 2002-07-30 Sensormatic Electronics Corporation Bias configuration for a magnetomechanical EAS marker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781661A (en) * 1966-03-02 1973-12-25 E Trikilis Magnetic material and method of producing same
US4484184A (en) * 1979-04-23 1984-11-20 Allied Corporation Amorphous antipilferage marker
US4727360A (en) * 1985-09-13 1988-02-23 Security Tag Systems, Inc. Frequency-dividing transponder and use thereof in a presence detection system
US4882569A (en) * 1988-07-26 1989-11-21 Security Tag Systems, Inc. Deactivatable fequency-dividing-transponder tag
US4968972A (en) * 1989-06-30 1990-11-06 Security Tag Systems, Inc. Conversion of bias strip in a frequency-dividing-transponder tag into a tripole bar magnet to deactivate the tag
US5017907A (en) * 1990-01-16 1991-05-21 Pitney Bowes Inc. Double pulse magnetic markers

Also Published As

Publication number Publication date
EP0629982A1 (en) 1994-12-21
DE69401998D1 (de) 1997-04-17
US5414412A (en) 1995-05-09
CA2123864A1 (en) 1994-12-17
DE69401998T2 (de) 1997-09-25
JPH07167949A (ja) 1995-07-04
EP0629982B1 (en) 1997-03-12

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 9A ,10A , 11A , 12A , 13A , 14A , 15A E 16A ANUIDADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.