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ATE542186T1 - Verfahren und vorrichtung zur verbesserung der leistung und genauigkeit von rfid-systemen - Google Patents

Verfahren und vorrichtung zur verbesserung der leistung und genauigkeit von rfid-systemen

Info

Publication number
ATE542186T1
ATE542186T1 AT05723946T AT05723946T ATE542186T1 AT E542186 T1 ATE542186 T1 AT E542186T1 AT 05723946 T AT05723946 T AT 05723946T AT 05723946 T AT05723946 T AT 05723946T AT E542186 T1 ATE542186 T1 AT E542186T1
Authority
AT
Austria
Prior art keywords
improving
accuracy
performance
present
rfid systems
Prior art date
Application number
AT05723946T
Other languages
English (en)
Inventor
Thorkild Hansen
Michael L Oristaglio
Original Assignee
Seknion 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 Seknion Inc filed Critical Seknion Inc
Application granted granted Critical
Publication of ATE542186T1 publication Critical patent/ATE542186T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods 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
    • G06K7/10019—Methods 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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10079—Methods 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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions
    • 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
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • 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
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
    • H04K2203/32—Jamming or countermeasure characterized by the infrastructure components including a particular configuration of antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
AT05723946T 2004-03-05 2005-02-25 Verfahren und vorrichtung zur verbesserung der leistung und genauigkeit von rfid-systemen ATE542186T1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US55041104P 2004-03-05 2004-03-05
US55035504P 2004-03-05 2004-03-05
US56143304P 2004-04-12 2004-04-12
US60353104P 2004-08-20 2004-08-20
US61342804P 2004-09-27 2004-09-27
PCT/US2005/006293 WO2005091889A2 (en) 2004-03-05 2005-02-25 Method and apparatus for improving the efficiency and accuracy of rfid systems

Publications (1)

Publication Number Publication Date
ATE542186T1 true ATE542186T1 (de) 2012-02-15

Family

ID=35056667

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05723946T ATE542186T1 (de) 2004-03-05 2005-02-25 Verfahren und vorrichtung zur verbesserung der leistung und genauigkeit von rfid-systemen

Country Status (4)

Country Link
US (4) US7456726B2 (de)
EP (1) EP1743271B1 (de)
AT (1) ATE542186T1 (de)
WO (1) WO2005091889A2 (de)

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EP1743271A4 (de) 2010-10-27
US20050212660A1 (en) 2005-09-29
US20090066481A1 (en) 2009-03-12
EP1743271B1 (de) 2012-01-18
US7456726B2 (en) 2008-11-25
US20070252687A1 (en) 2007-11-01
WO2005091889A3 (en) 2007-03-29
US20070252677A1 (en) 2007-11-01
EP1743271A2 (de) 2007-01-17

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