ATE327541T1 - Kollisionsschutzverfahren und lesegerät fur mehrere radiofrequenztransponder - Google Patents

Kollisionsschutzverfahren und lesegerät fur mehrere radiofrequenztransponder

Info

Publication number
ATE327541T1
ATE327541T1 AT00941189T AT00941189T ATE327541T1 AT E327541 T1 ATE327541 T1 AT E327541T1 AT 00941189 T AT00941189 T AT 00941189T AT 00941189 T AT00941189 T AT 00941189T AT E327541 T1 ATE327541 T1 AT E327541T1
Authority
AT
Austria
Prior art keywords
tags
secondary channels
channel
reader
identification
Prior art date
Application number
AT00941189T
Other languages
English (en)
Inventor
Ziyad H Doany
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of ATE327541T1 publication Critical patent/ATE327541T1/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
    • 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.
    • G06K7/10029—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
    • G06K7/10059—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 transponder driven
    • 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.
    • G06K7/10029—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
AT00941189T 2000-02-01 2000-06-01 Kollisionsschutzverfahren und lesegerät fur mehrere radiofrequenztransponder ATE327541T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/496,227 US6377203B1 (en) 2000-02-01 2000-02-01 Collision arbitration method and apparatus for reading multiple radio frequency identification tags

Publications (1)

Publication Number Publication Date
ATE327541T1 true ATE327541T1 (de) 2006-06-15

Family

ID=23971754

Family Applications (2)

Application Number Title Priority Date Filing Date
AT06111335T ATE417328T1 (de) 2000-02-01 2000-06-01 Kollisionsarbitrationsverfahren zum lesen einer vielzahl von rfid-etiketten
AT00941189T ATE327541T1 (de) 2000-02-01 2000-06-01 Kollisionsschutzverfahren und lesegerät fur mehrere radiofrequenztransponder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT06111335T ATE417328T1 (de) 2000-02-01 2000-06-01 Kollisionsarbitrationsverfahren zum lesen einer vielzahl von rfid-etiketten

Country Status (11)

Country Link
US (1) US6377203B1 (de)
EP (2) EP1252599B1 (de)
JP (1) JP4588958B2 (de)
KR (1) KR100719415B1 (de)
CN (1) CN1286047C (de)
AT (2) ATE417328T1 (de)
AU (1) AU2000255935A1 (de)
CA (1) CA2397235C (de)
DE (2) DE60028251T2 (de)
ES (2) ES2265348T3 (de)
WO (1) WO2001057779A1 (de)

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DE60041093D1 (de) 2009-01-22
US6377203B1 (en) 2002-04-23
ATE417328T1 (de) 2008-12-15
WO2001057779A1 (en) 2001-08-09
EP1252599B1 (de) 2006-05-24
CN1433555A (zh) 2003-07-30
EP1693777A2 (de) 2006-08-23
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