BR9204835A - Responder para uso num sistema de supervisao eletronica de artigo,processo para produzir um responder para um sistema de supervisao eletronica de artigo,sistema de supervisao eletronica de artigo,processo para detectar a presenca de um responder,e aparelho para gerar sinais de interrogacao para supervisao eletronica de artigo - Google Patents

Responder para uso num sistema de supervisao eletronica de artigo,processo para produzir um responder para um sistema de supervisao eletronica de artigo,sistema de supervisao eletronica de artigo,processo para detectar a presenca de um responder,e aparelho para gerar sinais de interrogacao para supervisao eletronica de artigo

Info

Publication number
BR9204835A
BR9204835A BR9204835A BR9204835A BR9204835A BR 9204835 A BR9204835 A BR 9204835A BR 9204835 A BR9204835 A BR 9204835A BR 9204835 A BR9204835 A BR 9204835A BR 9204835 A BR9204835 A BR 9204835A
Authority
BR
Brazil
Prior art keywords
electronic article
supervision system
respond
article supervision
responder
Prior art date
Application number
BR9204835A
Other languages
English (en)
Inventor
Peter Yongxin Zhou
John Dunn
Charles D Graham
Kung-Ho Shin
Original Assignee
Knogo 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 Knogo Corp filed Critical Knogo Corp
Publication of BR9204835A publication Critical patent/BR9204835A/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
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material 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

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)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Soft Magnetic Materials (AREA)
BR9204835A 1991-12-04 1992-12-04 Responder para uso num sistema de supervisao eletronica de artigo,processo para produzir um responder para um sistema de supervisao eletronica de artigo,sistema de supervisao eletronica de artigo,processo para detectar a presenca de um responder,e aparelho para gerar sinais de interrogacao para supervisao eletronica de artigo BR9204835A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/803,330 US5304983A (en) 1991-12-04 1991-12-04 Multiple pulse responder and detection system and method of making and using same

Publications (1)

Publication Number Publication Date
BR9204835A true BR9204835A (pt) 1993-06-08

Family

ID=25186251

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9204835A BR9204835A (pt) 1991-12-04 1992-12-04 Responder para uso num sistema de supervisao eletronica de artigo,processo para produzir um responder para um sistema de supervisao eletronica de artigo,sistema de supervisao eletronica de artigo,processo para detectar a presenca de um responder,e aparelho para gerar sinais de interrogacao para supervisao eletronica de artigo

Country Status (7)

Country Link
US (1) US5304983A (pt)
EP (1) EP0545422A1 (pt)
JP (1) JPH077070B2 (pt)
KR (1) KR960003585B1 (pt)
AU (1) AU657811B2 (pt)
BR (1) BR9204835A (pt)
CA (1) CA2083886A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5611139A (en) * 1992-02-10 1997-03-18 Iap Research, Inc. Structure and method for compaction of powder-like materials
GB9404775D0 (en) * 1994-03-11 1994-04-27 Payne P P Ltd Improvements in or relating to article tagging
US5512878A (en) * 1994-10-06 1996-04-30 Sensormatic Electronics Corporation Pulsed electronic article surveillance systems
KR0163822B1 (ko) * 1995-05-17 1999-03-20 김은영 도난 방지기용 자기 센서 및 시스템
US5602528A (en) * 1995-06-20 1997-02-11 Marian Rubber Products Company, Inc. Theft detection marker and method
AU4725096A (en) 1995-07-17 1997-02-18 Flying Null Limited Improvements relating to magnetic tags of markers
SE506449C2 (sv) * 1996-02-12 1997-12-15 Rso Corp Artikelövervakningssystem
US5990791A (en) * 1997-10-22 1999-11-23 William B. Spargur Anti-theft detection system
DE69837528T2 (de) * 1997-11-17 2007-08-09 Unitika Ltd., Amagasaki Magnetisches etikett

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2988466A (en) * 1957-11-29 1961-06-13 Gen Electric Magnetic material
US3765007A (en) * 1969-07-11 1973-10-09 Minnesota Mining & Mfg Method and apparatus for detecting at a distance the status and identity of objects
US4326198A (en) * 1976-08-18 1982-04-20 Knogo Corporation Method and apparatus for the promotion of selected harmonic response signals in an article detection system
US4274090A (en) * 1980-02-19 1981-06-16 Knogo Corporation Detection of articles in adjacent passageways
DE3265257D1 (en) * 1981-11-02 1985-09-12 Allied Corp Amorphous antipilferage marker
US4623877A (en) * 1983-06-30 1986-11-18 Knogo Corporation Method and apparatus for detection of targets in an interrogation zone
US4568921A (en) * 1984-07-13 1986-02-04 Knogo Corporation Theft detection apparatus and target and method of making same
US4660025A (en) * 1984-11-26 1987-04-21 Sensormatic Electronics Corporation Article surveillance magnetic marker having an hysteresis loop with large Barkhausen discontinuities
US4686516A (en) * 1984-11-26 1987-08-11 Sensormatic Electronics Corporation Method, system and apparatus for use in article surveillance
JPH079057B2 (ja) * 1985-04-26 1995-02-01 株式会社東芝 非晶質合金磁心の製造方法
US4857893A (en) * 1986-07-18 1989-08-15 Bi Inc. Single chip transponder device
US4800457A (en) * 1987-09-29 1989-01-24 Carnegie-Mellon University Magnetoresistive sensor element
JP2713711B2 (ja) * 1987-11-17 1998-02-16 日立金属株式会社 防犯センサ用マーカ
DE3824075A1 (de) * 1988-07-15 1990-01-18 Vacuumschmelze Gmbh Verbundkoerper zur erzeugung von spannungsimpulsen
US5017907A (en) * 1990-01-16 1991-05-21 Pitney Bowes Inc. Double pulse magnetic markers
US5029291A (en) * 1990-04-10 1991-07-02 Knogo Corporation Electromagnetic sensor element and methods and apparatus for making and using same

Also Published As

Publication number Publication date
CA2083886A1 (en) 1993-06-05
US5304983A (en) 1994-04-19
EP0545422A1 (en) 1993-06-09
JPH05256953A (ja) 1993-10-08
AU657811B2 (en) 1995-03-23
JPH077070B2 (ja) 1995-01-30
KR960003585B1 (ko) 1996-03-20
AU2852892A (en) 1993-07-01

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 15A, 16A, 17A, 18A E 19A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: NAO APRESENTADA A GUIA DE CUMPRIMENTO DE EXIGENCIA. REFERENTE AS 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A, 11A, 12A, 13A, 14A, 15A, 16A, 17A, 18A E 19A ANUIDADES.