ATE243326T1 - System zur detektion und rf-identifizierung - Google Patents

System zur detektion und rf-identifizierung

Info

Publication number
ATE243326T1
ATE243326T1 AT99947682T AT99947682T ATE243326T1 AT E243326 T1 ATE243326 T1 AT E243326T1 AT 99947682 T AT99947682 T AT 99947682T AT 99947682 T AT99947682 T AT 99947682T AT E243326 T1 ATE243326 T1 AT E243326T1
Authority
AT
Austria
Prior art keywords
tag
rfid
detector
range
detected
Prior art date
Application number
AT99947682T
Other languages
English (en)
Inventor
Howard William Whitesmith
Timothy John Palmer
Alan Edward Ball
Original Assignee
Tagtec Ltd
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 Tagtec Ltd filed Critical Tagtec Ltd
Application granted granted Critical
Publication of ATE243326T1 publication Critical patent/ATE243326T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/2451—Specific applications combined with EAS
    • G08B13/2462—Asset location systems combined with EAS
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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.
    • G06K7/10029—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 time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
    • G06K7/10039—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 time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Security & Cryptography (AREA)
  • General Health & Medical Sciences (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Eye Examination Apparatus (AREA)
AT99947682T 1998-09-28 1999-09-28 System zur detektion und rf-identifizierung ATE243326T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9821046.1A GB9821046D0 (en) 1998-09-28 1998-09-28 Detection system
PCT/GB1999/003213 WO2000019235A1 (en) 1998-09-28 1999-09-28 Rfid detection system

Publications (1)

Publication Number Publication Date
ATE243326T1 true ATE243326T1 (de) 2003-07-15

Family

ID=10839570

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99947682T ATE243326T1 (de) 1998-09-28 1999-09-28 System zur detektion und rf-identifizierung

Country Status (8)

Country Link
US (1) US6577238B1 (de)
EP (1) EP1112512B1 (de)
JP (1) JP2002525640A (de)
AT (1) ATE243326T1 (de)
AU (1) AU6106099A (de)
DE (1) DE69908957T2 (de)
GB (1) GB9821046D0 (de)
WO (1) WO2000019235A1 (de)

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DE69908957T2 (de) 2004-05-19
GB9821046D0 (en) 1998-11-18
WO2000019235A1 (en) 2000-04-06
EP1112512A1 (de) 2001-07-04
AU6106099A (en) 2000-04-17
EP1112512B1 (de) 2003-06-18
JP2002525640A (ja) 2002-08-13
DE69908957D1 (de) 2003-07-24
US6577238B1 (en) 2003-06-10

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