DE69524494D1 - Vorrichtung und Verfahren zur Identifizierung mehrerer Transponder - Google Patents

Vorrichtung und Verfahren zur Identifizierung mehrerer Transponder

Info

Publication number
DE69524494D1
DE69524494D1 DE69524494T DE69524494T DE69524494D1 DE 69524494 D1 DE69524494 D1 DE 69524494D1 DE 69524494 T DE69524494 T DE 69524494T DE 69524494 T DE69524494 T DE 69524494T DE 69524494 D1 DE69524494 D1 DE 69524494D1
Authority
DE
Germany
Prior art keywords
identifying multiple
multiple transponders
transponders
identifying
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69524494T
Other languages
English (en)
Other versions
DE69524494T2 (de
Inventor
Kurt Nmi Orthmann
Andreas Nmi Hagl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Deutschland GmbH
Original Assignee
Texas Instruments Deutschland GmbH
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 Texas Instruments Deutschland GmbH filed Critical Texas Instruments Deutschland GmbH
Application granted granted Critical
Publication of DE69524494D1 publication Critical patent/DE69524494D1/de
Publication of DE69524494T2 publication Critical patent/DE69524494T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G06K7/10—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69524494T 1994-07-27 1995-07-18 Vorrichtung und Verfahren zur Identifizierung mehrerer Transponder Expired - Lifetime DE69524494T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/282,096 US5602538A (en) 1994-07-27 1994-07-27 Apparatus and method for identifying multiple transponders

Publications (2)

Publication Number Publication Date
DE69524494D1 true DE69524494D1 (de) 2002-01-24
DE69524494T2 DE69524494T2 (de) 2002-07-25

Family

ID=23080094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524494T Expired - Lifetime DE69524494T2 (de) 1994-07-27 1995-07-18 Vorrichtung und Verfahren zur Identifizierung mehrerer Transponder

Country Status (5)

Country Link
US (1) US5602538A (de)
EP (1) EP0694860B1 (de)
JP (1) JP3643408B2 (de)
CA (1) CA2153120A1 (de)
DE (1) DE69524494T2 (de)

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Also Published As

Publication number Publication date
EP0694860B1 (de) 2001-12-12
US5602538A (en) 1997-02-11
DE69524494T2 (de) 2002-07-25
EP0694860A2 (de) 1996-01-31
JPH0862327A (ja) 1996-03-08
JP3643408B2 (ja) 2005-04-27
EP0694860A3 (de) 1999-01-20
CA2153120A1 (en) 1996-01-28

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