MXPA04004165A - Sistema trasnpondedor de doble bobina de antena. - Google Patents

Sistema trasnpondedor de doble bobina de antena.

Info

Publication number
MXPA04004165A
MXPA04004165A MXPA04004165A MXPA04004165A MXPA04004165A MX PA04004165 A MXPA04004165 A MX PA04004165A MX PA04004165 A MXPA04004165 A MX PA04004165A MX PA04004165 A MXPA04004165 A MX PA04004165A MX PA04004165 A MXPA04004165 A MX PA04004165A
Authority
MX
Mexico
Prior art keywords
antenna coil
transponder
dual antenna
transponder system
coil transponder
Prior art date
Application number
MXPA04004165A
Other languages
English (en)
Inventor
H Ward William
Original Assignee
Avid Identification Syst 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 Avid Identification Syst Inc filed Critical Avid Identification Syst Inc
Publication of MXPA04004165A publication Critical patent/MXPA04004165A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/59Responders; Transponders
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2216Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in interrogator/reader equipment
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2477Antenna or antenna activator circuit
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

La presente invencion es concerniente con un sistema de identificacion de doble bobina de antena (112, 114) y mas en particular con un interrogador (100) o lector para acoplar inductivamente a un transpondedor y extraer mediante esto datos del transpondedor. El campo magnetico requerido para energizar un transpondedor es generado por corrientes que fluyen a traves de dos bobinas de antena esencialmente identicas pero de fase opuesta arregladas cerca del area en donde se van a leer etiquetas.
MXPA04004165A 2001-11-02 2002-11-01 Sistema trasnpondedor de doble bobina de antena. MXPA04004165A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33799601P 2001-11-02 2001-11-02
PCT/US2002/035167 WO2003040950A2 (en) 2001-11-02 2002-11-01 Dual antenna coil transponder system

Publications (1)

Publication Number Publication Date
MXPA04004165A true MXPA04004165A (es) 2004-07-08

Family

ID=23322948

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04004165A MXPA04004165A (es) 2001-11-02 2002-11-01 Sistema trasnpondedor de doble bobina de antena.

Country Status (14)

Country Link
US (1) US7347379B2 (es)
EP (1) EP1449113B1 (es)
JP (2) JP3914537B2 (es)
KR (1) KR100676474B1 (es)
AT (1) ATE342547T1 (es)
AU (1) AU2002353975B2 (es)
CA (1) CA2465651C (es)
CY (1) CY1106282T1 (es)
DE (1) DE60215382T2 (es)
DK (1) DK1449113T3 (es)
ES (1) ES2272796T3 (es)
HK (1) HK1069448A1 (es)
MX (1) MXPA04004165A (es)
WO (1) WO2003040950A2 (es)

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Also Published As

Publication number Publication date
CA2465651A1 (en) 2003-05-15
EP1449113B1 (en) 2006-10-11
EP1449113A2 (en) 2004-08-25
KR20040062606A (ko) 2004-07-07
WO2003040950A2 (en) 2003-05-15
CA2465651C (en) 2011-02-08
DE60215382D1 (de) 2006-11-23
US7347379B2 (en) 2008-03-25
WO2003040950A3 (en) 2003-09-18
CY1106282T1 (el) 2011-10-12
ES2272796T3 (es) 2007-05-01
JP2007109242A (ja) 2007-04-26
ATE342547T1 (de) 2006-11-15
JP2005508597A (ja) 2005-03-31
JP3914537B2 (ja) 2007-05-16
US20050087599A1 (en) 2005-04-28
KR100676474B1 (ko) 2007-02-02
EP1449113A4 (en) 2005-01-12
DK1449113T3 (da) 2007-01-29
HK1069448A1 (en) 2005-05-20
JP4504342B2 (ja) 2010-07-14
DE60215382T2 (de) 2007-08-23
AU2002353975B2 (en) 2007-12-06

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