BR9709659A - Sistema para vigilância eletrônica de artigos com cancelamento de sinais de interferência - Google Patents
Sistema para vigilância eletrônica de artigos com cancelamento de sinais de interferênciaInfo
- Publication number
- BR9709659A BR9709659A BR9709659A BR9709659A BR9709659A BR 9709659 A BR9709659 A BR 9709659A BR 9709659 A BR9709659 A BR 9709659A BR 9709659 A BR9709659 A BR 9709659A BR 9709659 A BR9709659 A BR 9709659A
- Authority
- BR
- Brazil
- Prior art keywords
- cancellation
- articles
- interference signals
- electronic surveillance
- surveillance
- 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
- G08B13/2465—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
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/656,949 US5699045A (en) | 1996-06-06 | 1996-06-06 | Electronic article surveillance system with cancellation of interference signals |
PCT/US1997/007959 WO1997046989A1 (en) | 1996-06-06 | 1997-05-09 | Electronic article surveillance system with cancellation of interference signals |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9709659A true BR9709659A (pt) | 1999-08-10 |
Family
ID=24635250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9709659A BR9709659A (pt) | 1996-06-06 | 1997-05-09 | Sistema para vigilância eletrônica de artigos com cancelamento de sinais de interferência |
Country Status (10)
Country | Link |
---|---|
US (1) | US5699045A (pt) |
EP (1) | EP0902932B1 (pt) |
JP (1) | JP3875997B2 (pt) |
AR (1) | AR007520A1 (pt) |
AU (1) | AU724342B2 (pt) |
BR (1) | BR9709659A (pt) |
CA (1) | CA2249015C (pt) |
DE (1) | DE69730026T2 (pt) |
ES (1) | ES2225971T3 (pt) |
WO (1) | WO1997046989A1 (pt) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19644927A1 (de) * | 1996-10-29 | 1998-04-30 | Esselte Meto Int Gmbh | Vorrichtung zur Überwachung eines elektronischen Sicherungselementes in einer Abfragezone |
US5990791A (en) | 1997-10-22 | 1999-11-23 | William B. Spargur | Anti-theft detection system |
US6153998A (en) * | 1998-05-28 | 2000-11-28 | Kabushiki Kaisha Toshiba | Method of controlling a two-degree-of-freedom control system |
US6351664B1 (en) | 1999-11-12 | 2002-02-26 | Ge Medical Systems Information Technologies, Inc. | Method of removing signal interference from sampled data and apparatus for effecting the same |
US6351216B1 (en) * | 2001-02-05 | 2002-02-26 | Sensormatic Electronics Corporation | Large signal noise cancellation in electronic article surveillance |
WO2002063771A2 (en) * | 2001-02-08 | 2002-08-15 | Sensormatic Electronics Corporation | Automatic wireless synchronization of electronic article surveillance systems |
US6750768B2 (en) * | 2002-04-15 | 2004-06-15 | Wg Security Products, Inc. | EAS system employing pseudorandom coding system and method |
US6753821B2 (en) * | 2002-04-22 | 2004-06-22 | Wg Security Products, Inc. | Method and arrangement of antenna system of EAS |
KR100610478B1 (ko) * | 2004-05-06 | 2006-08-08 | 매그나칩 반도체 유한회사 | 이미지센서 및 그의 디지털 이득 보상 방법 |
US6956517B1 (en) * | 2004-06-12 | 2005-10-18 | L-3 Integrated Systems Company | Systems and methods for multi-channel analog to digital conversion |
US7852197B2 (en) * | 2007-06-08 | 2010-12-14 | Sensomatic Electronics, LLC | System and method for inhibiting detection of deactivated labels using detection filters having an adaptive threshold |
US9488478B2 (en) * | 2008-06-02 | 2016-11-08 | The Boeing Company | Methods and systems for visual flight rule (VFR) chart generation |
WO2010006646A1 (en) * | 2008-07-16 | 2010-01-21 | Signal Processing Devices Sweden Ab | Device and method for blocking-signal reduction |
DE112009002020T5 (de) * | 2008-08-21 | 2011-06-30 | Intersil Americas Inc., Calif. | Rauschunterdrückung für ein Antennenmodul |
US8078130B2 (en) * | 2008-12-23 | 2011-12-13 | L-3 Communications Integrated Systems L.P. | Systems and methods for interference cancellation |
US8081946B2 (en) * | 2008-12-23 | 2011-12-20 | L-3 Communications Integrated Systems L.P. | Interference cancellation for reconfigurable direct RF bandpass sampling interference cancellation |
US8311485B2 (en) * | 2010-01-13 | 2012-11-13 | Sensormatic Electronics, LLC | Method and system for receiver nulling using coherent transmit signals |
EP2611278A2 (en) | 2010-07-06 | 2013-07-10 | Forage Innovations B.V. | Rake wheel with plastic support band for tines |
US9645234B2 (en) * | 2012-07-12 | 2017-05-09 | Cornell University | RFID device, methods and applications |
TWI494902B (zh) * | 2013-09-25 | 2015-08-01 | Taiwan Secom Co Ltd | 保全監測裝置及其系統 |
US9595177B2 (en) | 2014-12-14 | 2017-03-14 | Wg Security Products, Inc. | Noise compensating EAS antenna system |
US10389464B2 (en) * | 2016-04-28 | 2019-08-20 | Samsung Electronics Co., Ltd | System and method for improved data decoding, tracking, and other receiver functions in the presence of interference |
EP3697003A1 (en) * | 2019-02-13 | 2020-08-19 | ABB Schweiz AG | Radio-based detector and method to protect against unpredictable interference in industrial wireless communications |
US11982751B2 (en) | 2020-11-24 | 2024-05-14 | Honeywell International Inc. | GNSS anti-jamming using interference cancellation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4859991A (en) * | 1987-08-28 | 1989-08-22 | Sensormatic Electronics Corporation | Electronic article surveillance system employing time domain and/or frequency domain analysis and computerized operation |
US4975681A (en) * | 1989-12-07 | 1990-12-04 | Sensormatic Electronics Corporation | Interfering signal rejection circuitry and electronic article surveillance system and method employing same |
US5349339A (en) * | 1992-04-07 | 1994-09-20 | Actron Entwicklungs Ag | Apparatus for the detection of labels employing subtraction of background signals |
AU692696B2 (en) * | 1995-04-07 | 1998-06-11 | Minnesota Mining And Manufacturing Company | Electronic article surveillance system with adaptative filtering and digital detection |
-
1996
- 1996-06-06 US US08/656,949 patent/US5699045A/en not_active Expired - Lifetime
-
1997
- 1997-05-09 EP EP97924668A patent/EP0902932B1/en not_active Expired - Lifetime
- 1997-05-09 CA CA002249015A patent/CA2249015C/en not_active Expired - Fee Related
- 1997-05-09 ES ES97924668T patent/ES2225971T3/es not_active Expired - Lifetime
- 1997-05-09 WO PCT/US1997/007959 patent/WO1997046989A1/en active IP Right Grant
- 1997-05-09 BR BR9709659A patent/BR9709659A/pt not_active Application Discontinuation
- 1997-05-09 DE DE69730026T patent/DE69730026T2/de not_active Expired - Fee Related
- 1997-05-09 JP JP50058598A patent/JP3875997B2/ja not_active Expired - Fee Related
- 1997-05-09 AU AU30033/97A patent/AU724342B2/en not_active Ceased
- 1997-06-06 AR ARP970102479A patent/AR007520A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
DE69730026D1 (de) | 2004-09-02 |
ES2225971T3 (es) | 2005-03-16 |
AU724342B2 (en) | 2000-09-21 |
CA2249015A1 (en) | 1997-12-11 |
US5699045A (en) | 1997-12-16 |
WO1997046989A9 (en) | 2004-03-18 |
EP0902932B1 (en) | 2004-07-28 |
EP0902932A4 (en) | 2001-05-02 |
JP3875997B2 (ja) | 2007-01-31 |
EP0902932A1 (en) | 1999-03-24 |
AU3003397A (en) | 1998-01-05 |
AR007520A1 (es) | 1999-11-10 |
DE69730026T2 (de) | 2005-07-21 |
WO1997046989A1 (en) | 1997-12-11 |
CA2249015C (en) | 2004-01-06 |
JP2000511665A (ja) | 2000-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |