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
Authority: BR; Brazil
Prior art keywords: electronic article; supervision system; respond; article supervision; responder
Prior art date: 1991-12-04

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.)

1991-12-04

Filing date

1992-12-04

Publication date

1993-06-08

1992-12-04 Application filed by Knogo Corp filed Critical Knogo Corp

1993-06-08 Publication of BR9204835A publication Critical patent/BR9204835A/pt

Links

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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
ES2284215T3 (es) *	1997-11-17	2007-11-01	Unitika Ltd.	Marcador magnetico.

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
US4686516A (en) *	1984-11-26	1987-08-11	Sensormatic Electronics Corporation	Method, system and apparatus for use in article surveillance
US4660025A (en) *	1984-11-26	1987-04-21	Sensormatic Electronics Corporation	Article surveillance magnetic marker having an hysteresis loop with large Barkhausen discontinuities
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

1991
- 1991-12-04 US US07/803,330 patent/US5304983A/en not_active Expired - Fee Related
1992
- 1992-11-23 AU AU28528/92A patent/AU657811B2/en not_active Ceased
- 1992-11-26 CA CA002083886A patent/CA2083886A1/en not_active Abandoned
- 1992-12-03 KR KR1019920023249A patent/KR960003585B1/ko not_active Expired - Lifetime
- 1992-12-03 EP EP92120676A patent/EP0545422A1/en not_active Withdrawn
- 1992-12-04 JP JP32502092A patent/JPH077070B2/ja not_active Expired - Lifetime
- 1992-12-04 BR BR9204835A patent/BR9204835A/pt not_active IP Right Cessation

Also Published As

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

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Legal Events

Date	Code	Title	Description
1997-09-23	FD3	Appl. lapsed due to non-payment of renewal fee
2012-06-19	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.
2012-11-20	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.