BR9908714A - Identificador rfid, leitora rfid, e sistema rfid incluindo identificadores com tamanhos de memória diferentes - Google Patents

Identificador rfid, leitora rfid, e sistema rfid incluindo identificadores com tamanhos de memória diferentes

Info

Publication number
BR9908714A
BR9908714A BR9908714-6A BR9908714A BR9908714A BR 9908714 A BR9908714 A BR 9908714A BR 9908714 A BR9908714 A BR 9908714A BR 9908714 A BR9908714 A BR 9908714A
Authority
BR
Brazil
Prior art keywords
rfid
identifier
sync
different memory
reader
Prior art date
Application number
BR9908714-6A
Other languages
English (en)
Inventor
Kirk Bradley Bierach
Sean Thomas Loving
Mark Daniel Fitzpatrick
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of BR9908714A publication Critical patent/BR9908714A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • 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
    • 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
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Near-Field Transmission Systems (AREA)
  • Detection And Correction Of Errors (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

<B>IDENTIFICADOR RFID, LEITORA RFID, E SISTEMA RFID INCLUINDO IDENTIFICADORES COM TAMANHOS DE MEMóRIA DIFERENTES<D> Um método de sincronização para um sistema RFID (10) incluindo identificadores (40-1 a 40-n) tendo tamnhos de memória diferentes, emprega uma convenção onde palavras de sincronismo e bits de sincronismo são armazenadas na memória de identificador (407) entre bits de dados de modo que uma leitora (30) possa prontamente identificar a palavra de sincronismo em um sinal RF (408) transmitido por um identificador (40-1) e modulado em série por repetições do conteúdo da memória de identificador (407). Após identificar a palavra de sincronismo, uma leitora RFID (30) lê bits de dados após a palavra de sincronismo identificar até que uma palavra de sincronismo seguinte seja recebida, enquanto ignora os bits de sincronismo interespaçados entre os bits de dados.
BR9908714-6A 1998-03-13 1999-03-04 Identificador rfid, leitora rfid, e sistema rfid incluindo identificadores com tamanhos de memória diferentes BR9908714A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7798798P 1998-03-13 1998-03-13
US25659199A 1999-02-23 1999-02-23
PCT/US1999/004860 WO1999046940A1 (en) 1998-03-13 1999-03-04 Synchronization method for rfid system including tags having different memory sizes

Publications (1)

Publication Number Publication Date
BR9908714A true BR9908714A (pt) 2000-11-21

Family

ID=26759922

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9908714-6A BR9908714A (pt) 1998-03-13 1999-03-04 Identificador rfid, leitora rfid, e sistema rfid incluindo identificadores com tamanhos de memória diferentes

Country Status (9)

Country Link
EP (1) EP1068738A4 (pt)
JP (1) JP2003532935A (pt)
KR (1) KR20010052206A (pt)
CN (1) CN1313011A (pt)
AU (1) AU2896699A (pt)
BR (1) BR9908714A (pt)
CA (1) CA2322152A1 (pt)
IL (1) IL137749A0 (pt)
WO (1) WO1999046940A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE47599E1 (en) 2000-10-20 2019-09-10 Promega Corporation RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags
US20020183882A1 (en) 2000-10-20 2002-12-05 Michael Dearing RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags
EP1609325B1 (en) * 2003-04-03 2013-01-02 Nokia Corporation Network serving device, system and methods for mediating networked services
DE102004014563B4 (de) * 2004-03-25 2011-01-13 Atmel Automotive Gmbh Verfahren und Vorrichtung zur verbesserten drahtlosen Datenübertragung
LU91115B1 (en) * 2004-10-26 2006-04-27 European Community Navigation system for disabled persons, in particular visually impaired persons
US20090231111A1 (en) * 2005-06-24 2009-09-17 Martin Professional A/S Method and apparatus for entertainment comprising rfid tags
JP2009510890A (ja) * 2005-09-28 2009-03-12 ユー ブリッジ カンパニー リミテッド 電波識別タグが付加された情報端末装置及びその制御方法
JP4884741B2 (ja) * 2005-09-29 2012-02-29 株式会社キーエンス 無線タグリーダ／ライタ
JP3946748B1 (ja) * 2006-02-20 2007-07-18 株式会社神戸製鋼所 情報同期システム
CN101169817B (zh) * 2006-10-27 2011-04-13 财团法人工业技术研究院 射频识别标签系统及其标签
CN101794308B (zh) * 2010-03-04 2012-03-14 哈尔滨工程大学 一种面向有意义串挖掘的重复串提取方法及装置
CN104821088A (zh) * 2015-05-18 2015-08-05 深圳市骄冠科技实业有限公司 一种基于具有通讯功能射频车牌的车辆违章监控系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288126B (de) * 1965-04-06 1969-01-30 CSF-Compagnie Generale de TeIegraphie Sans FiI, Paris Vergleichsschaltungsanordnung mit veränderlichem Schwellwert zur Identifizierung einer Gruppe von zyklisch wiederholten Signalen
US4888773A (en) * 1988-06-15 1989-12-19 International Business Machines Corporation Smart memory card architecture and interface
US5805082A (en) * 1990-05-17 1998-09-08 At/Comm Incorporated Electronic vehicle toll collection system and method
US5382952A (en) * 1992-01-22 1995-01-17 Indala Corporation Transponder for proximity identification system
WO1996028941A1 (en) * 1995-03-13 1996-09-19 Motorola Inc. Radio frequency identification system for reliable communication
US5621199A (en) * 1995-04-03 1997-04-15 Datalogic, Inc. RFID reader
US5600683A (en) * 1995-05-01 1997-02-04 Motorola, Inc. Communication data format
US5661763A (en) * 1995-07-28 1997-08-26 Adtran, Inc. Apparatus and method for detecting programmable length bit pattern in serial digital data stream

Also Published As

Publication number Publication date
CA2322152A1 (en) 1999-09-16
AU2896699A (en) 1999-09-27
KR20010052206A (ko) 2001-06-25
WO1999046940A1 (en) 1999-09-16
IL137749A0 (en) 2001-10-31
EP1068738A4 (en) 2002-07-03
EP1068738A1 (en) 2001-01-17
CN1313011A (zh) 2001-09-12
JP2003532935A (ja) 2003-11-05

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTA A 5O, 6O, 7O E 8O ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1911 DE 21/08/2007.