BR9104694A - Aparelho de interferencia para a utilizacao em um sistema de vigilancia de artigo,metodo para a utilizacao com um sistema de vigilancia de artigo,sistema de vigilancia de artigo e metodo de vigilancia de artigo - Google Patents

Aparelho de interferencia para a utilizacao em um sistema de vigilancia de artigo,metodo para a utilizacao com um sistema de vigilancia de artigo,sistema de vigilancia de artigo e metodo de vigilancia de artigo

Info

Publication number
BR9104694A
BR9104694A BR919104694A BR9104694A BR9104694A BR 9104694 A BR9104694 A BR 9104694A BR 919104694 A BR919104694 A BR 919104694A BR 9104694 A BR9104694 A BR 9104694A BR 9104694 A BR9104694 A BR 9104694A
Authority
BR
Brazil
Prior art keywords
article surveillance
surveillance system
appliance
interference
article
Prior art date
Application number
BR919104694A
Other languages
English (en)
Inventor
Frank Drucker
Craig Szklany
Original Assignee
Sensormatic Electronics 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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of BR9104694A publication Critical patent/BR9104694A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/86—Jamming or countermeasure characterized by its function related to preventing deceptive jamming or unauthorized interrogation or access, e.g. WLAN access or RFID reading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/20—Jamming or countermeasure used for a particular application for contactless carriers, e.g. RFID carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/44—Jamming having variable characteristics characterized by the control of the jamming waveform or modulation type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
BR919104694A 1990-11-26 1991-10-30 Aparelho de interferencia para a utilizacao em um sistema de vigilancia de artigo,metodo para a utilizacao com um sistema de vigilancia de artigo,sistema de vigilancia de artigo e metodo de vigilancia de artigo BR9104694A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/618,047 US5083111A (en) 1990-11-26 1990-11-26 Jamming apparatus for electronic article surveillance systems

Publications (1)

Publication Number Publication Date
BR9104694A true BR9104694A (pt) 1992-06-23

Family

ID=24476116

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919104694A BR9104694A (pt) 1990-11-26 1991-10-30 Aparelho de interferencia para a utilizacao em um sistema de vigilancia de artigo,metodo para a utilizacao com um sistema de vigilancia de artigo,sistema de vigilancia de artigo e metodo de vigilancia de artigo

Country Status (7)

Country Link
US (1) US5083111A (pt)
EP (1) EP0487982B1 (pt)
JP (1) JP3138030B2 (pt)
AR (1) AR247307A1 (pt)
BR (1) BR9104694A (pt)
CA (1) CA2048940A1 (pt)
DE (1) DE69131414T2 (pt)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728991A1 (fr) * 1994-12-28 1996-07-05 Robin Veronique Roulleaux Procede et dispositif pour la detection, l'identification et la protection de biens notamment contre le vol
AU3979497A (en) * 1996-10-23 1998-05-15 Deropa (Propriety) Limited Cellular telephone jamming method and device
JP3470619B2 (ja) * 1998-02-24 2003-11-25 三菱マテリアル株式会社 盗難検出用タグ
WO2001045063A1 (en) * 1999-12-15 2001-06-21 Eident Limited Tag
US6400273B1 (en) * 2000-05-05 2002-06-04 Sensormatic Electronics Corporation EAS system with wide exit coverage and reduced over-range
US7050755B2 (en) * 2002-01-24 2006-05-23 Pctel Maryland, Inc. Targeted mobile terminal communication blocker
US6757324B2 (en) * 2002-07-18 2004-06-29 Motorola, Inc. Method and apparatus for detecting jamming signal
EP1743271B1 (en) * 2004-03-05 2012-01-18 Seknion, Inc. Method and apparatus for improving the efficiency and accuracy of rfid systems
WO2006012358A2 (en) * 2004-06-29 2006-02-02 Symbol Technologies, Inc. Systems and methods for testing radio frequency identification tags
DE602006004036D1 (pt) * 2005-04-29 2009-01-15 Nxp Bv
US7889056B2 (en) * 2005-10-31 2011-02-15 Curio, Ltd. RFID protection system, device, combination, and related methods
US8102243B2 (en) * 2005-10-31 2012-01-24 Curio Ltd. RFID protection device, and related methods
US8421628B2 (en) * 2008-02-22 2013-04-16 Xiao Hui Yang Asset protection system
US8451128B2 (en) 2008-02-22 2013-05-28 Xiao Hui Yang Asset protection system
JP2012530325A (ja) * 2009-06-15 2012-11-29 サーイグ，アデル，オーデ 商品監視システム
US8416060B2 (en) * 2009-12-08 2013-04-09 Symbol Technologies, Inc. Method and device for reading radio frequency identification (RFID) tags
CN102741906B (zh) 2010-01-29 2016-06-08 艾利丹尼森公司 智能标识系统应用中使用的rfid/nfc板和/或阵列及其使用方法
US10977965B2 (en) 2010-01-29 2021-04-13 Avery Dennison Retail Information Services, Llc Smart sign box using electronic interactions
US9858583B2 (en) 2011-09-01 2018-01-02 Avery Dennison Retail Information Services, Llc Apparatus, system and method for tracking consumer product interest using mobile devices
US8630908B2 (en) 2011-11-02 2014-01-14 Avery Dennison Corporation Distributed point of sale, electronic article surveillance, and product information system, apparatus and method
US9734365B2 (en) * 2012-09-10 2017-08-15 Avery Dennison Retail Information Services, Llc Method for preventing unauthorized diversion of NFC tags
CN104704508B (zh) 2012-10-18 2017-12-15 艾利丹尼森公司 用于nfc安全的方法、系统和设备
CN104471969B (zh) 2012-11-19 2019-07-30 艾利丹尼森公司 禁用未经授权的nfc安全系统和方法
US9525510B2 (en) 2013-04-19 2016-12-20 Curio Ltd. RFID disruption device and related methods
GB2568915A (en) * 2017-11-30 2019-06-05 Moran Humberto Reshaping interrogation range
TWI808469B (zh) 2020-08-17 2023-07-11 日商日本製鐵股份有限公司 加工品及加工品製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206453A (en) * 1976-05-24 1980-06-03 Williamson Robert D Method and apparatus for electronic surveillance
DE3324956A1 (de) * 1983-07-11 1985-01-24 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur elektronischen ver- und entriegelung von sicherheitsanlagen
US4686513A (en) * 1985-09-30 1987-08-11 Sensormatic Electronics Corporation Electronic surveillance using self-powered article attached tags
US4769631A (en) * 1986-06-30 1988-09-06 Sensormatic Electronics Corporation Method, system and apparatus for magnetic surveillance of articles
DE3632624C1 (de) * 1986-09-25 1988-03-10 Balluff Gebhard Feinmech Stoerfeldunempfindlicher Naeherungsschalter
US4821023A (en) * 1988-01-07 1989-04-11 Del Norte Technology, Inc. Walk-through metal detector
US4866424A (en) * 1988-01-11 1989-09-12 Eg&G Astrophysics Research Corporation Metal detector coil
US4888579A (en) * 1988-09-16 1989-12-19 Minnesota Mining And Manufacturing Company False alarm minimization and direction determination methods
US4962369A (en) * 1989-02-09 1990-10-09 Marcia Israel Merchandise security system utilizing RF transmitter

Also Published As

Publication number Publication date
CA2048940A1 (en) 1992-05-27
DE69131414D1 (de) 1999-08-12
JPH04290198A (ja) 1992-10-14
EP0487982B1 (en) 1999-07-07
DE69131414T2 (de) 2000-03-02
US5083111A (en) 1992-01-21
AR247307A1 (es) 1994-11-30
JP3138030B2 (ja) 2001-02-26
EP0487982A2 (en) 1992-06-03
EP0487982A3 (en) 1992-10-28

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
HO Change of classification

Free format text: INT.CL.6 G08B 13/24

FA9 Application deemed withdrawn - failure to comply with requirements