ZA9810356B - Identification system. - Google Patents

Identification system.

Info

Publication number
ZA9810356B
ZA9810356B ZA9810356A ZA9810356A ZA9810356B ZA 9810356 B ZA9810356 B ZA 9810356B ZA 9810356 A ZA9810356 A ZA 9810356A ZA 9810356 A ZA9810356 A ZA 9810356A ZA 9810356 B ZA9810356 B ZA 9810356B
Authority
ZA
South Africa
Prior art keywords
transponders
interrogation
transmitting
identification system
waiting period
Prior art date
Application number
ZA9810356A
Other languages
English (en)
Inventor
Raymond Catherall Atkins
Mario Alphonso Marais
Hendrik Van Zyl Smit
Original Assignee
Btg Int Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10822139&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA9810356(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Btg Int Ltd filed Critical Btg Int Ltd
Publication of ZA9810356B publication Critical patent/ZA9810356B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • 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
    • G06K7/10059—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Electroluminescent Light Sources (AREA)
ZA9810356A 1997-11-14 1998-11-12 Identification system. ZA9810356B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9724183.0A GB9724183D0 (en) 1997-11-14 1997-11-14 Identification system

Publications (1)

Publication Number Publication Date
ZA9810356B true ZA9810356B (en) 2000-12-15

Family

ID=10822139

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9810356A ZA9810356B (en) 1997-11-14 1998-11-12 Identification system.

Country Status (14)

Country Link
US (1) US6784787B1 (ja)
EP (3) EP1610153B1 (ja)
JP (2) JP4819996B2 (ja)
AT (3) ATE304180T1 (ja)
AU (1) AU764975B2 (ja)
CA (1) CA2310241A1 (ja)
DE (3) DE69831514T2 (ja)
DK (1) DK1031046T3 (ja)
ES (2) ES2192792T3 (ja)
GB (1) GB9724183D0 (ja)
NZ (1) NZ504144A (ja)
PT (1) PT1031046E (ja)
WO (1) WO1999026081A1 (ja)
ZA (1) ZA9810356B (ja)

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US6118789A (en) 1998-02-19 2000-09-12 Micron Technology, Inc. Method of addressing messages and communications system
USRE43382E1 (en) 1998-02-19 2012-05-15 Round Rock Research, Llc Method of addressing messages and communications systems
US6072801A (en) 1998-02-19 2000-06-06 Micron Technology, Inc. Method of addressing messages, method of establishing wireless communications, and communications system
US6061344A (en) 1998-02-19 2000-05-09 Micron Technology, Inc. Method of addressing messages and communications system
US6275476B1 (en) * 1998-02-19 2001-08-14 Micron Technology, Inc. Method of addressing messages and communications system
US6988667B2 (en) * 2001-05-31 2006-01-24 Alien Technology Corporation Methods and apparatuses to identify devices
US7193504B2 (en) * 2001-10-09 2007-03-20 Alien Technology Corporation Methods and apparatuses for identification
US7106245B2 (en) * 2002-01-22 2006-09-12 Bae Systems Information And Electronic Systems Integration Inc. Digital RF tag
JP4422607B2 (ja) * 2002-04-23 2010-02-24 エヌエックスピー ビー ヴィ 複数のデータ担体をインベントリ化する方法
DE10309419A1 (de) * 2003-03-05 2004-09-16 Leopold Kostal Gmbh & Co Kg Verfahren und Einrichtung zur Identifikation eines mobilen Transponders
US8102244B2 (en) 2003-08-09 2012-01-24 Alien Technology Corporation Methods and apparatuses to identify devices
US7079036B2 (en) * 2003-08-20 2006-07-18 Bed-Check Corporation Method and apparatus for alarm volume control using pulse width modulation
US7716160B2 (en) 2003-11-07 2010-05-11 Alien Technology Corporation Methods and apparatuses to identify devices
GB2453477A (en) 2004-02-06 2009-04-08 Zih Corp Identifying a plurality of transponders
GB2410866B (en) * 2004-02-06 2008-02-20 Btg Int Ltd Arbitration management method and system
JP4328705B2 (ja) * 2004-02-27 2009-09-09 均 北吉 Ｒｆｉｄタグ装置
US7394364B2 (en) * 2004-08-25 2008-07-01 Robert Odell Elliott Wireless item location monitoring system and method
US7503484B2 (en) * 2004-09-10 2009-03-17 Capital One Financial Corporation Methods, systems, and articles of manufacture for a financial card having warning features
US7239242B2 (en) 2005-01-26 2007-07-03 Axcelis Technologies, Inc. Parts authentication employing radio frequency identification
WO2006130988A1 (en) * 2005-06-10 2006-12-14 Telecommunications Research Laboratories Wireless communication system
WO2006134563A2 (en) * 2005-06-14 2006-12-21 Nxp B.V. Transponder system for transmitting key-encrypted information and associated keys
CA2556493C (en) 2005-08-19 2011-05-03 Bed-Check Corporation Method and apparatus for temporarily disabling a patient monitor
US20070075838A1 (en) * 2005-10-04 2007-04-05 Symbol Technologies, Inc. Method and apparatus for avoiding radio frequency identification (RFID) tag response collisions
WO2007049219A2 (en) 2005-10-25 2007-05-03 Nxp B.V. Method of reading data from transponders through a reader, a transponder, and a reader
US8078103B2 (en) 2005-10-31 2011-12-13 Zih Corp. Multi-element RFID coupler
US8791794B2 (en) * 2006-03-31 2014-07-29 British Telecommunications Plc Method and device for obtaining item information using RFID tags
US7973644B2 (en) 2007-01-30 2011-07-05 Round Rock Research, Llc Systems and methods for RFID tag arbitration where RFID tags generate multiple random numbers for different arbitration sessions
US20080280560A1 (en) * 2007-05-09 2008-11-13 Micron Technology, Inc. Method and system of placing a rfid tag in a continuous transmission mode
US8134452B2 (en) * 2007-05-30 2012-03-13 Round Rock Research, Llc Methods and systems of receiving data payload of RFID tags
US8130079B2 (en) 2007-08-15 2012-03-06 At&T Intellectual Property I, L.P. Methods, systems, and products for discovering electronic devices
CN101470791B (zh) * 2007-12-29 2015-05-27 华为技术有限公司 射频信号的识别、应答方法及系统,标签和阅读器
US9000891B2 (en) 2008-11-26 2015-04-07 At&T Intellectual Property I, L.P. Radio frequency identification readers, methods and computer program products for adjusting a query command slot-counter parameter Q
DE102009037998B4 (de) * 2009-08-20 2012-05-03 Atmel Automotive Gmbh Verfahren zur Kommunikation zwischen einer Basisstation und mehreren Transpondern
RU2550083C1 (ru) * 2014-02-12 2015-05-10 Открытое акционерное общество "Научно-исследовательский институт "Субмикрон" Устройство для декодирования запросных сигналов
US10914834B2 (en) * 2017-05-10 2021-02-09 Google Llc Low-power radar
RU2713511C1 (ru) * 2018-12-10 2020-02-05 федеральное государственное автономное образовательное учреждение высшего образования "Северо-Кавказский федеральный университет" Способ построения системы опознавания "свой-чужой" на основе протокола с нулевым разглашением, реализованный в модулярном коде

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JPH09119981A (ja) * 1995-10-24 1997-05-06 Yokogawa Electric Corp 移動体識別装置
US5940006A (en) * 1995-12-12 1999-08-17 Lucent Technologies Inc. Enhanced uplink modulated backscatter system
JP3204084B2 (ja) * 1996-04-24 2001-09-04 松下電器産業株式会社 移動体識別装置
JP3808620B2 (ja) * 1997-03-21 2006-08-16 株式会社東芝 情報識別システム、この情報識別システム用の制御装置および応答装置
JPH11282975A (ja) * 1998-03-31 1999-10-15 Toshiba Corp 情報識別システム、情報識別システムの制御装置、情報識別システムの応答装置、及びタイムスロット管理方法

Also Published As

Publication number Publication date
DE69813281D1 (de) 2003-05-15
DE69831514D1 (de) 2005-10-13
WO1999026081A1 (en) 1999-05-27
ATE304180T1 (de) 2005-09-15
ATE237144T1 (de) 2003-04-15
ES2327534T3 (es) 2009-10-30
EP1291671A1 (en) 2003-03-12
AU764975B2 (en) 2003-09-04
JP2001523825A (ja) 2001-11-27
CA2310241A1 (en) 1999-05-27
DE69840967D1 (de) 2009-08-20
EP1610153A3 (en) 2006-01-04
EP1031046B1 (en) 2003-04-09
GB9724183D0 (en) 1998-01-14
DE69831514T2 (de) 2006-07-13
JP2010133972A (ja) 2010-06-17
PT1031046E (pt) 2003-08-29
ES2192792T3 (es) 2003-10-16
NZ504144A (en) 2003-02-28
EP1031046A1 (en) 2000-08-30
EP1610153B1 (en) 2009-07-08
DK1031046T3 (da) 2003-07-28
EP1610153A2 (en) 2005-12-28
ATE436030T1 (de) 2009-07-15
US6784787B1 (en) 2004-08-31
AU1043399A (en) 1999-06-07
EP1291671B1 (en) 2005-09-07
JP4819996B2 (ja) 2011-11-24
DE69813281T2 (de) 2004-01-29

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