BR0210305A - Aparelho, método, meio legìvel por computador - Google Patents
Aparelho, método, meio legìvel por computadorInfo
- Publication number
- BR0210305A BR0210305A BR0210305-2A BR0210305A BR0210305A BR 0210305 A BR0210305 A BR 0210305A BR 0210305 A BR0210305 A BR 0210305A BR 0210305 A BR0210305 A BR 0210305A
- Authority
- BR
- Brazil
- Prior art keywords
- eas
- magnetic field
- generate
- steering unit
- current pulses
- Prior art date
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
- G08B13/2411—Tag deactivation
-
- 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
- G08B13/2482—EAS methods, e.g. description of flow chart of the detection procedure
-
- 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
- G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
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)
- Geophysics And Detection Of Objects (AREA)
Abstract
"APARELHO, MéTODO, MEIO LEGìVEL POR COMPUTADOR". Em geral, a invenção é direcionada a técnicas para criar e controlar um campo magnético para uso com marcadores de vigilância eletrónica de artigo (EAS). Em particular, as técnicas fazem uso de dispositivos de comutação de corrente para gerar um sinal possuindo um ou mais pulsos de corrente para criar o campo magnético. Um sistema de vigilância eletrónica de artigo (EAS) inclui uma bobina para criar um campo magnético para mudar o status de um marcador EAS e uma unidade de direcionamento para emitir um sinal tendo um ou mais pulsos de corrente para energizar a bobina. Um processador programável dentro do sistema EAS controla a unidade de direcionamento para gerar o sinal de saída de acordo com um perfil desejado. Ativando e desativando seletivamente dispositivos de comutação de corrente dentro da unidade de direcionamento, o processador pode direcionar a unidade de direcionamento para gerar o sinal de saída de acordo com um perfil desejado, possuindo um número de pulsos de corrente de amplitudes e direção diferentes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/880,486 US6696951B2 (en) | 2001-06-13 | 2001-06-13 | Field creation in a magnetic electronic article surveillance system |
PCT/US2002/015528 WO2002101677A1 (en) | 2001-06-13 | 2002-05-13 | Field creation in a magnetic electronic article surveillance system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0210305A true BR0210305A (pt) | 2004-07-13 |
Family
ID=25376385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0210305-2A BR0210305A (pt) | 2001-06-13 | 2002-05-13 | Aparelho, método, meio legìvel por computador |
Country Status (12)
Country | Link |
---|---|
US (2) | US6696951B2 (pt) |
EP (1) | EP1399899B1 (pt) |
JP (1) | JP4122285B2 (pt) |
CN (1) | CN100338636C (pt) |
AR (1) | AR034472A1 (pt) |
AT (1) | ATE286288T1 (pt) |
AU (1) | AU2002311931B2 (pt) |
BR (1) | BR0210305A (pt) |
CA (1) | CA2448443A1 (pt) |
DE (1) | DE60202471T2 (pt) |
HK (1) | HK1070455A1 (pt) |
WO (1) | WO2002101677A1 (pt) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6724191B1 (en) | 2000-05-09 | 2004-04-20 | Admiralty Corporation | Systems and methods useful for detecting presence and/or location of various materials |
US6696951B2 (en) * | 2001-06-13 | 2004-02-24 | 3M Innovative Properties Company | Field creation in a magnetic electronic article surveillance system |
US7255909B2 (en) * | 2002-02-19 | 2007-08-14 | 3M Innovative Properties Company | Security laminate |
US20030184636A1 (en) * | 2002-02-19 | 2003-10-02 | Graham Paul D. | Image receptive material comprising cationically charged inorganic particles |
US7275040B2 (en) * | 2002-09-12 | 2007-09-25 | Mineral Lassen Llc | RFID security device for optical disc |
US6946962B2 (en) * | 2003-10-29 | 2005-09-20 | Sensormatic Electronics Corporation | Electronic article surveillance marker deactivator using inductive discharge |
US7444120B2 (en) * | 2004-05-11 | 2008-10-28 | Sensormatic Electronics Corporation | Active transmitter ringdown for switching power amplifier |
US7301459B2 (en) * | 2004-05-11 | 2007-11-27 | Sensormatic Electronics Corporation | Closed loop transmitter control for power amplifier in an EAS system |
US7068172B2 (en) * | 2004-05-21 | 2006-06-27 | Xiao Hui Yang | Method and apparatus for deactivating an EAS device |
US7658980B2 (en) * | 2004-08-06 | 2010-02-09 | 3M Innovative Properties Company | Tamper-indicating printable sheet for securing documents of value and methods of making the same |
US7648744B2 (en) * | 2004-08-06 | 2010-01-19 | 3M Innovative Properties Company | Tamper-indicating printable sheet for securing documents of value and methods of making the same |
JP4483497B2 (ja) * | 2004-09-16 | 2010-06-16 | 富士ゼロックス株式会社 | 磁性体検知装置 |
US7834761B2 (en) * | 2004-11-22 | 2010-11-16 | Sensormatic Electronics, LLC | H-bridge activator/deactivator and method for activating/deactivating EAS tags |
US7564355B2 (en) * | 2005-03-07 | 2009-07-21 | Sensormatic Electronics Corporation | Adaptively transmitting a signal for activating a tag |
AU2012202729B2 (en) * | 2005-03-07 | 2015-04-09 | Sensormatic Electronics Llc | Adaptively transmitting a signal for activating a tag |
JP4602811B2 (ja) * | 2005-03-24 | 2010-12-22 | グンゼ株式会社 | タグ検出装置 |
US7391324B1 (en) | 2005-11-14 | 2008-06-24 | Gpk Products, Inc. | Locator plug system |
US7825806B2 (en) * | 2007-09-25 | 2010-11-02 | Symbol Technologies, Inc. | Optimizing RFID reader duty cycle or power to preserve battery life |
US20090212952A1 (en) * | 2008-02-22 | 2009-08-27 | Xiao Hui Yang | Method and apparatus for de-activating eas markers |
GB2476050B (en) * | 2009-12-08 | 2013-11-13 | Redcliffe Magtronics Ltd | Tag detector |
US9824245B2 (en) * | 2013-03-14 | 2017-11-21 | Tyco Fire & Security Gmbh | Methods, systems and devices for electronic article surveillance deactivation having randomized transmission rates |
CN107833425B (zh) * | 2017-10-24 | 2020-08-04 | 深圳中安安防科技有限公司 | 远程防盗器控制系统和方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5049857A (en) * | 1989-07-24 | 1991-09-17 | Sensormatic Electronics Corporation | Multi-mode electronic article surveillance system |
US6742709B2 (en) * | 1990-09-11 | 2004-06-01 | Metrologic Instruments, Inc. | Bar code symbol reading system employing electronically-controlled raster-type laser scanner for reading bar code symbols during hands-on and hands-free modes of operation |
US5805065A (en) * | 1991-05-08 | 1998-09-08 | Minnesota Mining And Manufacturing Company | Electro-magnetic desensitizer |
US5341125A (en) * | 1992-01-15 | 1994-08-23 | Sensormatic Electronics Corporation | Deactivating device for deactivating EAS dual status magnetic tags |
US5493275A (en) * | 1994-08-09 | 1996-02-20 | Sensormatic Electronics Corporation | Apparatus for deactivation of electronic article surveillance tags |
US5844485A (en) * | 1995-02-03 | 1998-12-01 | Sensormatic Electronics Corporation | Article of merchandise with EAS and associated indicia |
US5680106A (en) * | 1995-10-27 | 1997-10-21 | International Business Machines Corporation | Multibit tag with stepwise variable frequencies |
US5625339A (en) | 1996-01-08 | 1997-04-29 | Minnesota Mining And Manufacturing Company | Apparatus for changing the status of magnetic markers in an electronic article surveillance system |
US6362737B1 (en) * | 1998-06-02 | 2002-03-26 | Rf Code, Inc. | Object Identification system with adaptive transceivers and methods of operation |
US5781111A (en) | 1996-09-26 | 1998-07-14 | Sensormatic Electronics Corporation | Apparatus for deactivation of electronic article surveillance tags |
US6002335A (en) | 1998-02-18 | 1999-12-14 | 3M Innovative Properties Company | Small magnet resensitizer apparatus for use with article surveillance systems |
US5926095A (en) * | 1998-03-18 | 1999-07-20 | Sensormatic Electronics Corporation | Transverse field annealing process to form E.A.S. marker having a step change in magnetic flux |
US6057763A (en) | 1998-04-10 | 2000-05-02 | 3M Innovative Properties Company | Method and apparatus for activating and deactivating electromagnetic article surveillance markers |
US5907465A (en) | 1998-08-13 | 1999-05-25 | Sensormatic Electronics Corporation | Circuit for energizing EAS marker deactivation device with DC pulses of alternating polarity |
US6072383A (en) * | 1998-11-04 | 2000-06-06 | Checkpoint Systems, Inc. | RFID tag having parallel resonant circuit for magnetically decoupling tag from its environment |
US6181249B1 (en) | 1999-01-07 | 2001-01-30 | Sensormatic Electronics Corporation | Coil driving circuit for EAS marker deactivation device |
US6169483B1 (en) * | 1999-05-04 | 2001-01-02 | Sensormatic Electronics Corporation | Self-checkout/self-check-in RFID and electronics article surveillance system |
US6249229B1 (en) * | 1999-08-16 | 2001-06-19 | Checkpoint Systems, Inc., A Corp. Of Pennsylvania | Electronic article security system employing variable time shifts |
US6486782B1 (en) * | 2000-07-07 | 2002-11-26 | 3M Innovative Properties | Device for changing the status of dual status magnetic electronic article surveillance markers |
US6696951B2 (en) * | 2001-06-13 | 2004-02-24 | 3M Innovative Properties Company | Field creation in a magnetic electronic article surveillance system |
US6778087B2 (en) * | 2001-06-15 | 2004-08-17 | 3M Innovative Properties Company | Dual axis magnetic field EAS device |
-
2001
- 2001-06-13 US US09/880,486 patent/US6696951B2/en not_active Expired - Fee Related
-
2002
- 2002-05-13 AU AU2002311931A patent/AU2002311931B2/en not_active Ceased
- 2002-05-13 CA CA002448443A patent/CA2448443A1/en not_active Abandoned
- 2002-05-13 JP JP2003504354A patent/JP4122285B2/ja not_active Expired - Fee Related
- 2002-05-13 WO PCT/US2002/015528 patent/WO2002101677A1/en active IP Right Grant
- 2002-05-13 EP EP02739273A patent/EP1399899B1/en not_active Expired - Lifetime
- 2002-05-13 AT AT02739273T patent/ATE286288T1/de not_active IP Right Cessation
- 2002-05-13 DE DE60202471T patent/DE60202471T2/de not_active Expired - Lifetime
- 2002-05-13 CN CNB02811972XA patent/CN100338636C/zh not_active Expired - Fee Related
- 2002-05-13 BR BR0210305-2A patent/BR0210305A/pt not_active IP Right Cessation
- 2002-06-12 AR ARP020102207A patent/AR034472A1/es active IP Right Grant
-
2004
- 2004-01-08 US US10/755,184 patent/US6902110B2/en not_active Expired - Fee Related
- 2004-08-26 HK HK04106428A patent/HK1070455A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2002101677A1 (en) | 2002-12-19 |
CN1516857A (zh) | 2004-07-28 |
AR034472A1 (es) | 2004-02-25 |
AU2002311931B2 (en) | 2007-07-26 |
ATE286288T1 (de) | 2005-01-15 |
EP1399899A1 (en) | 2004-03-24 |
US6902110B2 (en) | 2005-06-07 |
CN100338636C (zh) | 2007-09-19 |
JP4122285B2 (ja) | 2008-07-23 |
HK1070455A1 (en) | 2005-06-17 |
US20020196144A1 (en) | 2002-12-26 |
DE60202471T2 (de) | 2005-12-29 |
CA2448443A1 (en) | 2002-12-19 |
EP1399899B1 (en) | 2004-12-29 |
JP2004530228A (ja) | 2004-09-30 |
DE60202471D1 (de) | 2005-02-03 |
US20040145476A1 (en) | 2004-07-29 |
US6696951B2 (en) | 2004-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 10A ANUI DADE. |
|
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 A 10A ANUIDADE. |