DE602004021851D1 - Synchronisation während antikollision - Google Patents

Synchronisation während antikollision

Info

Publication number
DE602004021851D1
DE602004021851D1 DE602004021851T DE602004021851T DE602004021851D1 DE 602004021851 D1 DE602004021851 D1 DE 602004021851D1 DE 602004021851 T DE602004021851 T DE 602004021851T DE 602004021851 T DE602004021851 T DE 602004021851T DE 602004021851 D1 DE602004021851 D1 DE 602004021851D1
Authority
DE
Germany
Prior art keywords
synchronization
transponder
reading device
data frames
contain
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.)
Active
Application number
DE602004021851T
Other languages
English (en)
Inventor
Robert Spindler
Christian Scherabon
Roland Brandl
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Publication of DE602004021851D1 publication Critical patent/DE602004021851D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • 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
    • G06K7/10297—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 arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
DE602004021851T 2003-12-19 2004-12-09 Synchronisation während antikollision Active DE602004021851D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03104849 2003-12-19
PCT/IB2004/052726 WO2005062519A2 (en) 2003-12-19 2004-12-09 Synchronization during anti-collision

Publications (1)

Publication Number Publication Date
DE602004021851D1 true DE602004021851D1 (de) 2009-08-13

Family

ID=34707275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004021851T Active DE602004021851D1 (de) 2003-12-19 2004-12-09 Synchronisation während antikollision

Country Status (7)

Country Link
US (1) US8036329B2 (de)
EP (1) EP1697875B1 (de)
JP (1) JP2007518298A (de)
CN (1) CN100568259C (de)
AT (1) ATE435467T1 (de)
DE (1) DE602004021851D1 (de)
WO (1) WO2005062519A2 (de)

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CN101297303B (zh) * 2005-10-25 2011-07-20 Nxp股份有限公司 通过读取器从应答器读取数据的方法、应答器及读取器
CN101300757B (zh) * 2005-11-04 2017-08-11 日本电气株式会社 无线电通信系统及用于其的发送功率控制方法
CN101441699B (zh) * 2007-11-20 2011-08-10 中兴通讯股份有限公司 一种用于射频识别的多标签防碰撞方法
KR101035074B1 (ko) * 2008-07-21 2011-05-19 부산대학교 산학협력단 2.4ＧＨｚ 다채널 능동형 ＲＦＩＤ 시스템 및 이를 위한채널 분배, 채널 동기화, 인식 과정 중첩 방법
DE102009038100A1 (de) * 2009-08-19 2011-02-24 Beru Ag Verfahren und System zur Reifendrucküberwachung
US9158945B2 (en) * 2013-04-18 2015-10-13 Symbol Technologies, Llc Defining a radio frequency identification read area
WO2015032028A1 (en) * 2013-09-03 2015-03-12 Hong Kong R&D Centre for Logistics and Supply Chain Management Enabling Technologies Limited System and method for controlling identification tags
EP3268867A1 (de) * 2015-03-10 2018-01-17 Zodiac Pool Systems, Inc. Automatisches adressierungsschema für pool-systemsteuergeräte und kompatible fernvorrichtungen
CN109215273B (zh) * 2018-09-06 2021-05-11 赛特威尔电子股份有限公司 一种火灾报警控制系统及方法
CN109614837A (zh) * 2019-01-25 2019-04-12 四川璧虹众杰科技有限公司 低频无线激励器防碰撞方法和系统
US11379676B2 (en) * 2020-04-01 2022-07-05 Nec Corporation RFID-based self-checkout systems using cycle counting

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IT1236913B (it) * 1989-12-21 1993-04-26 Sgs Thomson Microelectronics Metodo di misura automatica della frequenza di scansione orizzontale di un segnale a sincronismo composito e circuito elettronico operante secondo detto metodo
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Also Published As

Publication number Publication date
US20070164850A1 (en) 2007-07-19
EP1697875A2 (de) 2006-09-06
EP1697875B1 (de) 2009-07-01
US8036329B2 (en) 2011-10-11
WO2005062519A2 (en) 2005-07-07
CN100568259C (zh) 2009-12-09
ATE435467T1 (de) 2009-07-15
JP2007518298A (ja) 2007-07-05
WO2005062519A3 (en) 2005-10-27
CN1894701A (zh) 2007-01-10

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