BR9701516A - Sinal de interrogação pulsado em sistema eletrónico de vigiláncia do tipo harmónico sobre artigos - Google Patents
Sinal de interrogação pulsado em sistema eletrónico de vigiláncia do tipo harmónico sobre artigosInfo
- Publication number
- BR9701516A BR9701516A BR9701516A BR9701516A BR9701516A BR 9701516 A BR9701516 A BR 9701516A BR 9701516 A BR9701516 A BR 9701516A BR 9701516 A BR9701516 A BR 9701516A BR 9701516 A BR9701516 A BR 9701516A
- Authority
- BR
- Brazil
- Prior art keywords
- harmonic
- pulsed
- items
- type electronic
- surveillance system
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62564796A | 1996-03-29 | 1996-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9701516A true BR9701516A (pt) | 1998-09-08 |
Family
ID=24506994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9701516A BR9701516A (pt) | 1996-03-29 | 1997-03-26 | Sinal de interrogação pulsado em sistema eletrónico de vigiláncia do tipo harmónico sobre artigos |
Country Status (7)
Country | Link |
---|---|
US (1) | US5793289A (pt) |
EP (1) | EP0798681A1 (pt) |
JP (1) | JPH1062530A (pt) |
AR (1) | AR006402A1 (pt) |
AU (1) | AU721519B2 (pt) |
BR (1) | BR9701516A (pt) |
CA (1) | CA2200533A1 (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19745953C2 (de) * | 1997-10-17 | 2002-12-05 | Anatoli Stobbe | Diebstahl-Sicherungssystem sowie Verfahren zur automatischen Detektion und Identifikation eines Warensicherungsetiketts durch eine Basisstation |
US6232878B1 (en) * | 1999-05-20 | 2001-05-15 | Checkpoint Systems, Inc. | Resonant circuit detection, measurement and deactivation system employing a numerically controlled oscillator |
US6163259A (en) * | 1999-06-04 | 2000-12-19 | Research Electronics International | Pulse transmitting non-linear junction detector |
GB2381077B (en) * | 1999-06-04 | 2003-10-01 | Res Electronics Internat | Pulse transmitting non-linear junction detector |
US6597744B1 (en) * | 1999-08-23 | 2003-07-22 | Sensormatic Electronics Corporation | Transmitter for electronic article surveillance system |
ATE248416T1 (de) * | 1999-11-01 | 2003-09-15 | Bekaert Sa Nv | Verfahren zum unterscheiden zwischen halbweichem und weichem magnetischem material |
EP1292932B1 (fr) * | 2000-06-20 | 2004-04-07 | Commissariat A L'energie Atomique | Dispositif de detection de papier marque et papier marque detectable par le dispositif |
GB0103429D0 (en) | 2001-02-13 | 2001-03-28 | Audiotel Internat Ltd | Non-linear junction detector |
JP2002334381A (ja) * | 2001-04-20 | 2002-11-22 | Sensormatic Electronics Corp | 盗難防止システム |
FR2834132B1 (fr) * | 2001-12-21 | 2005-03-18 | Efs Sa | Dispositif pour le pilotage des antennes d'emission des systemes de detection electromagnetiques |
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 |
US20080036573A1 (en) * | 2004-02-19 | 2008-02-14 | Nobuo Tsukamoto | Cdma-Rfid |
JP2008502981A (ja) * | 2004-06-15 | 2008-01-31 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 近距離チェック付帯無線識別 |
JP4548394B2 (ja) * | 2006-07-20 | 2010-09-22 | 株式会社デンソーウェーブ | データ伝送装置 |
GB2476050B (en) * | 2009-12-08 | 2013-11-13 | Redcliffe Magtronics Ltd | Tag detector |
DE102013017737B4 (de) | 2013-02-14 | 2022-03-24 | Sony Corporation | Elektronische Warenüberwachung mit Detektion von Powerline Kommunikation |
US20180040218A1 (en) * | 2016-08-04 | 2018-02-08 | Tyco Fire & Security Gmbh | Pulsed electronic article surveillance detection system absent of a phasing requirement |
GB2598603B (en) * | 2020-09-04 | 2023-02-15 | Endomagnetics Ltd | Systems and methods for detecting magnetic markers for surgical guidance |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3713102A (en) * | 1970-04-23 | 1973-01-23 | S Martin | Pulse interrogation article-sorting system |
GB1599120A (en) * | 1978-05-19 | 1981-09-30 | Philips Electronic Associated | Detection system |
US4274090A (en) * | 1980-02-19 | 1981-06-16 | Knogo Corporation | Detection of articles in adjacent passageways |
US4642613A (en) * | 1984-03-16 | 1987-02-10 | Knogo Corporation | Electronic theft detection apparatus with responder elements on protected articles |
US4667185A (en) * | 1985-12-06 | 1987-05-19 | Minnesota Mining And Manufacturing Company | Wireless synchronization system for electronic article surveillance system |
US4975681A (en) * | 1989-12-07 | 1990-12-04 | Sensormatic Electronics Corporation | Interfering signal rejection circuitry and electronic article surveillance system and method employing same |
US5218189A (en) * | 1991-09-09 | 1993-06-08 | Checkpoint Systems, Inc. | Binary encoded multiple frequency rf indentification tag |
US5387900A (en) * | 1992-11-19 | 1995-02-07 | Sensormatic Electronics Corporation | EAS system with improved processing of antenna signals |
US5495229A (en) * | 1994-09-28 | 1996-02-27 | Sensormatic Electronics Corporation | Pulsed electronic article surveillance device employing expert system techniques for dynamic optimization |
-
1997
- 1997-03-15 EP EP97104481A patent/EP0798681A1/en not_active Withdrawn
- 1997-03-20 CA CA002200533A patent/CA2200533A1/en not_active Abandoned
- 1997-03-25 AU AU16517/97A patent/AU721519B2/en not_active Ceased
- 1997-03-26 BR BR9701516A patent/BR9701516A/pt active Search and Examination
- 1997-03-26 AR ARP970101213A patent/AR006402A1/es unknown
- 1997-03-27 JP JP9091348A patent/JPH1062530A/ja active Pending
- 1997-04-18 US US08/879,118 patent/US5793289A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU721519B2 (en) | 2000-07-06 |
AR006402A1 (es) | 1999-08-25 |
JPH1062530A (ja) | 1998-03-06 |
EP0798681A1 (en) | 1997-10-01 |
AU1651797A (en) | 1997-10-02 |
US5793289A (en) | 1998-08-11 |
CA2200533A1 (en) | 1997-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB34 | Technical and formal requirements: requirement - article 34 of industrial property law | ||
B11T | Dismissal: dismissal of application maintained |