AR002220A1 - Metodo para identificar una pluralidad de transmisores que transmiten a intervalos a por lo menos un receptor; el conjunto de identificacion pararealizarlo; transmisor para dicho conjunto y el circuito integrado comprendido en dicho transmisor. - Google Patents

Metodo para identificar una pluralidad de transmisores que transmiten a intervalos a por lo menos un receptor; el conjunto de identificacion pararealizarlo; transmisor para dicho conjunto y el circuito integrado comprendido en dicho transmisor.

Info

Publication number
AR002220A1
AR002220A1 ARP960105103A ARP960105103A AR002220A1 AR 002220 A1 AR002220 A1 AR 002220A1 AR P960105103 A ARP960105103 A AR P960105103A AR P960105103 A ARP960105103 A AR P960105103A AR 002220 A1 AR002220 A1 AR 002220A1
Authority
AR
Argentina
Prior art keywords
transmitter
receiver
transmitters
systems
intervals
Prior art date
Application number
ARP960105103A
Other languages
English (en)
Spanish (es)
Inventor
Van Lodewyk Hendrik Eeden
Jacob Pieter Laurens Cloete
Original Assignee
British Tech Group
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 British Tech Group filed Critical British Tech Group
Publication of AR002220A1 publication Critical patent/AR002220A1/es

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
    • G06K7/10059—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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • 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)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
ARP960105103A 1995-11-09 1996-11-08 Metodo para identificar una pluralidad de transmisores que transmiten a intervalos a por lo menos un receptor; el conjunto de identificacion pararealizarlo; transmisor para dicho conjunto y el circuito integrado comprendido en dicho transmisor. AR002220A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA959519 1995-11-09

Publications (1)

Publication Number Publication Date
AR002220A1 true AR002220A1 (es) 1998-03-11

Family

ID=25585411

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP960105103A AR002220A1 (es) 1995-11-09 1996-11-08 Metodo para identificar una pluralidad de transmisores que transmiten a intervalos a por lo menos un receptor; el conjunto de identificacion pararealizarlo; transmisor para dicho conjunto y el circuito integrado comprendido en dicho transmisor.

Country Status (11)

Country Link
EP (1) EP0859989A1 (ko)
JP (1) JP2000500932A (ko)
KR (1) KR19990067371A (ko)
CN (1) CN1201540A (ko)
AR (1) AR002220A1 (ko)
AU (1) AU7502396A (ko)
BR (1) BR9611705A (ko)
CA (1) CA2235585A1 (ko)
MX (1) MX9803671A (ko)
TW (1) TW383527B (ko)
WO (1) WO1997017667A1 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2333623B (en) * 1998-01-24 2000-04-26 Plessey Telecomm Transaction system
GB2335573B (en) 1998-03-18 2000-03-15 Univ Singapore An RF transponder identification system and protocol
GB2344257A (en) 1998-11-26 2000-05-31 Innovision Research And Techno Data communication apparatus and board game
JP3001570B1 (ja) 1999-02-22 2000-01-24 埼玉日本電気株式会社 適応アンテナ指向性制御方法及びそのシステム
MXPA01011736A (es) * 1999-05-21 2003-09-04 Koerner Ralph J Sistema de identificacion para monitorear la presencia / ausencia de los miembros de un conjunto definido.
AU2001264504A1 (en) * 2000-06-12 2001-12-24 Telefonaktiebolaget Lm Ericsson (Publ) Random identity management in scatternets
KR100486754B1 (ko) * 2000-08-31 2005-05-03 매그나칩 반도체 유한회사 데이터 충돌을 방지한 무선주파수 식별 태그 시스템 및데이터 충돌 방지 방법
FR2833724A1 (fr) * 2001-12-13 2003-06-20 Canal Plus Technologies Composant electronique numerique protege contre des analyses de type electrique et/ou electromagnetique, notamment dans le domaine de la carte a puce
GB0213724D0 (en) * 2002-06-14 2002-07-24 Turner Christopher G G Electronic identification system
US20100045434A1 (en) * 2005-01-31 2010-02-25 Nxp B.V. Communication between a communication station and data carriers
KR100749818B1 (ko) * 2005-09-23 2007-08-17 한국전자통신연구원 Ｒｆｉｄ 시스템에 있어서의 멀티 태그 인식 장치 및 그방법
US20070126556A1 (en) * 2005-12-07 2007-06-07 Kovio, Inc. Printed radio frequency identification (RFID) tag using tags-talk-first (TTF) protocol
EP1956513B1 (en) 2007-02-07 2010-06-02 Albis Technologies AG Transmission protocol opening a dynamic window for receiving data
CN101604021B (zh) * 2009-07-09 2012-05-09 复旦大学 一种无线射频识别系统的定位方法与装置
KR20120011602A (ko) * 2010-07-29 2012-02-08 삼성테크윈 주식회사 알에프아이디(ｒｆｉｄ) 리더의 통신 제어 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471345A (en) * 1982-03-05 1984-09-11 Sensormatic Electronics Corporation Randomized tag to portal communication system
FR2667715A1 (fr) * 1990-10-09 1992-04-10 Gemplus Card Int Procede et dispositif pour accroitre la protection d'une carte a memoire.
US5530702A (en) * 1994-05-31 1996-06-25 Ludwig Kipp System for storage and communication of information

Also Published As

Publication number Publication date
WO1997017667A1 (en) 1997-05-15
CA2235585A1 (en) 1997-05-15
JP2000500932A (ja) 2000-01-25
AU7502396A (en) 1997-05-29
BR9611705A (pt) 1999-02-23
TW383527B (en) 2000-03-01
MX9803671A (es) 1998-09-30
KR19990067371A (ko) 1999-08-16
CN1201540A (zh) 1998-12-09
EP0859989A1 (en) 1998-08-26

Similar Documents

Publication Publication Date Title
AR002220A1 (es) Metodo para identificar una pluralidad de transmisores que transmiten a intervalos a por lo menos un receptor; el conjunto de identificacion pararealizarlo; transmisor para dicho conjunto y el circuito integrado comprendido en dicho transmisor.
EP1744267A2 (en) Reader, tags, radio frequency identification (RFID) system, and method thereof
CN100354874C (zh) 通过安全通信优化二叉树遍历
ES2306519T3 (es) Metodo y sistema para identificar unidades inalambricas.
EP0285419B1 (en) Access control equipment
KR100719415B1 (ko) 복수의 무선 주파수 식별 태그의 판독을 위한 충돌 중재방법 및 장치
CN100546293C (zh) 在通信系统中使用已知源参数的电子货物识别的方法和装置
US5485154A (en) Communication device and method(s)
US20090051496A1 (en) Method and Apparatus for Low Power Modulation and Massive Medium Access Control
ES2094915T3 (es) Sistema de control electro-optico.
JP5273846B2 (ja) 光電センサ
US7099469B2 (en) Method of scrambling and descrambling data in a communication system
WO2007027482A2 (en) Methods and apparatus for asset tracking
WO2004102313A3 (en) Method and apparatus for selective blocking of radio frequency identification devices
WO2004102312A3 (en) Low-complexity cryptographic techniques for use with radio frequency identification devices
AR058651A1 (es) Estimacion del canal y de interferencia en sistemas de acceso multiple por division de frecuencia de unico portador y de multiples portadores
ES2163901T3 (es) Procedimiento y sistema de comunicacion para el tratamiento de alarmas por medio de una red de gestion que presenta varios planos de gestion.
TW200515255A (en) Secure two-way RFID communications
EP1684215A3 (en) Utilizing a laser to securely communicate with radio frequency identification tags
ATE277486T1 (de) Verfahren und vorrichtung für ein cdma- zufallszugriffskommunikationssystem
RU2533077C2 (ru) Способ передачи информации с внутрисимвольной псевдослучайной перестройкой рабочей частоты
WO1997017667A9 (en) Enhanced detection of multiple data transmissions
NO990445L (no) FremgangsmÕte og anordning ved bredbÕnds-sender
US8905312B2 (en) Identification of contactless cards
ES2170510T3 (es) Procedimiento y dispositivo de recepcion para la transmision de datos.