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BR0110648A - Sistema de detecção e identificação de radiofrequência - Google Patents

Sistema de detecção e identificação de radiofrequência

Info

Publication number
BR0110648A
BR0110648A BR0110648-1A BR0110648A BR0110648A BR 0110648 A BR0110648 A BR 0110648A BR 0110648 A BR0110648 A BR 0110648A BR 0110648 A BR0110648 A BR 0110648A
Authority
BR
Brazil
Prior art keywords
electromagnetic signal
radio frequency
identification system
frequency detection
frequency
Prior art date
Application number
BR0110648-1A
Other languages
English (en)
Inventor
Eric Eckstein
John David Paranzino
Nimesh Shah
Original Assignee
Checkpoint Systems Inc
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 Checkpoint Systems Inc filed Critical Checkpoint Systems Inc
Publication of BR0110648A publication Critical patent/BR0110648A/pt

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
    • G08B13/2414—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 inductive tags
    • 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
    • G08B13/2414—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 inductive tags
    • G08B13/2417—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 inductive tags having a radio frequency identification chip
    • 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
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details
    • 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
    • G08B13/2428—Tag details
    • G08B13/2448—Tag with at least dual detection means, e.g. combined inductive and ferromagnetic tags, dual frequencies within a single technology, tampering detection or signalling means on the tag
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

"SISTEMA DE DETECçãO E IDENTIFICAçãO DE RADIOFREQuêNCIA". Um sistema é descrito para detectar a presença de um artigo. O sistema inclui um transmissor para irradiar um primeiro sinal eletromagnético a uma freq³ência primária predeterminada e uma etiqueta ressonante afixada ao artigo. A etiqueta ressonante gera um segundo sinal eletromagnético em resposta à recepção do primeiro sinal eletromagnético. O segundo sinal eletromagnético tem componentes à freq³ência primária e a uma freq³ência secundária predeterminada diferente da freq³ência primária. O sistema também inclui um receptor para receber o segundo sinal eletromagnético e um computador conectado com uma saída do receptor. O computador processa o segundo sinal eletromagnético recebido e gera um sinal de saída quando a freq³ência secundária é detectada no segundo sinal eletromagnético.
BR0110648-1A 2000-05-08 2001-05-04 Sistema de detecção e identificação de radiofrequência BR0110648A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20239100P 2000-05-08 2000-05-08
PCT/US2001/014463 WO2001086967A2 (en) 2000-05-08 2001-05-04 Radio frequency detection and identification system

Publications (1)

Publication Number Publication Date
BR0110648A true BR0110648A (pt) 2003-04-01

Family

ID=22749680

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0110648-1A BR0110648A (pt) 2000-05-08 2001-05-04 Sistema de detecção e identificação de radiofrequência

Country Status (16)

Country Link
US (2) US6894614B2 (pt)
EP (1) EP1285417B1 (pt)
JP (1) JP4663200B2 (pt)
KR (1) KR20030007587A (pt)
CN (1) CN1236408C (pt)
AR (1) AR028427A1 (pt)
AT (1) ATE487998T1 (pt)
AU (2) AU6119201A (pt)
BR (1) BR0110648A (pt)
CA (1) CA2408488C (pt)
DE (1) DE60143429D1 (pt)
ES (1) ES2355706T3 (pt)
IL (1) IL152588A0 (pt)
MX (1) MXPA02010979A (pt)
TW (1) TW561430B (pt)
WO (1) WO2001086967A2 (pt)

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ATE487998T1 (de) 2010-11-15
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US7187289B2 (en) 2007-03-06
AU2001261192B2 (en) 2005-01-06
ES2355706T3 (es) 2011-03-30
US20050200483A1 (en) 2005-09-15
DE60143429D1 (de) 2010-12-23
TW561430B (en) 2003-11-11
CN1427984A (zh) 2003-07-02
US20010040507A1 (en) 2001-11-15
US6894614B2 (en) 2005-05-17
CN1236408C (zh) 2006-01-11
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KR20030007587A (ko) 2003-01-23
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CA2408488C (en) 2010-03-09
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EP1285417A4 (en) 2005-03-23
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CA2408488A1 (en) 2001-11-15
WO2001086967A2 (en) 2001-11-15
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AU6119201A (en) 2001-11-20
EP1285417A2 (en) 2003-02-26

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