JPS58162881A - タグ回路及びそれを用いる通信方式 - Google Patents

タグ回路及びそれを用いる通信方式

Info

Publication number
JPS58162881A
JPS58162881A JP58034727A JP3472783A JPS58162881A JP S58162881 A JPS58162881 A JP S58162881A JP 58034727 A JP58034727 A JP 58034727A JP 3472783 A JP3472783 A JP 3472783A JP S58162881 A JPS58162881 A JP S58162881A
Authority
JP
Japan
Prior art keywords
signal
tag
code pattern
circuit
tag circuit
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.)
Granted
Application number
JP58034727A
Other languages
English (en)
Japanese (ja)
Other versions
JPH032271B2 (
Inventor
レイモンド・エル・バレツト・ジユニヤ
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.)
SENSOOMATEITSUKU ELECTONICS CO
SENSOOMATEITSUKU ELECTONICS CORP
Original Assignee
SENSOOMATEITSUKU ELECTONICS CO
SENSOOMATEITSUKU ELECTONICS CORP
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 SENSOOMATEITSUKU ELECTONICS CO, SENSOOMATEITSUKU ELECTONICS CORP filed Critical SENSOOMATEITSUKU ELECTONICS CO
Publication of JPS58162881A publication Critical patent/JPS58162881A/ja
Publication of JPH032271B2 publication Critical patent/JPH032271B2/ja
Granted 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
    • G06K7/10059—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
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Lock And Its Accessories (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP58034727A 1982-03-05 1983-03-04 タグ回路及びそれを用いる通信方式 Granted JPS58162881A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/354,156 US4471345A (en) 1982-03-05 1982-03-05 Randomized tag to portal communication system
US354156 1989-05-19

Publications (2)

Publication Number Publication Date
JPS58162881A true JPS58162881A (ja) 1983-09-27
JPH032271B2 JPH032271B2 ( ) 1991-01-14

Family

ID=23392089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58034727A Granted JPS58162881A (ja) 1982-03-05 1983-03-04 タグ回路及びそれを用いる通信方式

Country Status (15)

Country Link
US (1) US4471345A ( )
JP (1) JPS58162881A ( )
AR (1) AR231364A1 ( )
BE (1) BE895864A ( )
BR (1) BR8301091A ( )
CA (1) CA1211522A ( )
DE (1) DE3305685C2 ( )
ES (1) ES519769A0 ( )
FR (1) FR2522829B1 ( )
GB (1) GB2116808B ( )
IE (1) IE830193L ( )
IT (2) IT8309358A1 ( )
MX (1) MX155097A ( )
NL (1) NL8300643A ( )
SE (1) SE456278B ( )

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62203289A (ja) * 1986-03-03 1987-09-07 Matsushita Electric Works Ltd 複数カ−ドの同時識別システム
JPS62277579A (ja) * 1986-03-31 1987-12-02 ロジヤツク・コ−ポレ−シヨン 行方不明車両の追跡方法及びその装置
JPS63134978A (ja) * 1986-11-26 1988-06-07 Matsushita Electric Works Ltd 移動体識別装置におけるデータ伝送方法
JPH04315081A (ja) * 1991-01-04 1992-11-06 Csir 識別装置
US7610021B2 (en) 2003-03-06 2009-10-27 Canon Kabushiki Kaisha Communication apparatus and method for preventing interference with information transmitted from another communication apparatus

Families Citing this family (160)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656463A (en) * 1983-04-21 1987-04-07 Intelli-Tech Corporation LIMIS systems, devices and methods
US4559529A (en) * 1983-06-29 1985-12-17 U.S. Currency Protection Corp. Antitheft system with digitally coded signal
US4673932A (en) * 1983-12-29 1987-06-16 Revlon, Inc. Rapid inventory data acquistion system
US4862160A (en) * 1983-12-29 1989-08-29 Revlon, Inc. Item identification tag for rapid inventory data acquisition system
JPS60171475A (ja) * 1984-02-15 1985-09-04 アイデンティフィケ−ション・デバイセス・インコ−ポレ−テッド 識別システム
CA1234892A (en) * 1984-02-16 1988-04-05 Pierre Taillefer Security tag detection system
USRE35364E (en) 1985-10-29 1996-10-29 The Chamberlain Group, Inc. Coding system for multiple transmitters and a single receiver for a garage door opener
GB2164825B (en) * 1984-09-19 1988-05-11 Satellite Video Systems Ltd Coded transponder for indentification system
US4835372A (en) * 1985-07-19 1989-05-30 Clincom Incorporated Patient care system
EP0229631B1 (en) * 1986-01-13 1993-09-08 Abbott Laboratories Electronic data storage and retrieval apparatus and method
GB8604622D0 (en) * 1986-02-25 1986-04-03 Ayton J B Security system
US4746830A (en) * 1986-03-14 1988-05-24 Holland William R Electronic surveillance and identification
US4857716A (en) * 1986-05-12 1989-08-15 Clinicom Incorporated Patient identification and verification system and method
US4850009A (en) * 1986-05-12 1989-07-18 Clinicom Incorporated Portable handheld terminal including optical bar code reader and electromagnetic transceiver means for interactive wireless communication with a base communications station
HUT43774A (en) * 1986-05-15 1987-11-30 Koezponti Banyaszati Fejleszte Method and apparatus for automatic identification living beings and objects
GB2193359B (en) * 1986-07-31 1990-07-11 Multitone Electronics Plc Area communications systems
US4798175A (en) * 1986-10-09 1989-01-17 Alfa-Laval Agri, Inc. Electronic identification system
US4736196A (en) * 1986-11-18 1988-04-05 Cost-Effective Monitoring Systems, Co. Electronic monitoring system
JPS63189987A (ja) * 1987-02-03 1988-08-05 Toshiba Corp Ｉｃカ−ド
JPS63228852A (ja) * 1987-03-17 1988-09-22 Omron Tateisi Electronics Co Ｉｄシステムの通信制御方式
US4924210A (en) * 1987-03-17 1990-05-08 Omron Tateisi Electronics Company Method of controlling communication in an ID system
EP0285419B1 (en) * 1987-03-31 1994-08-24 Identec Limited Access control equipment
US4837568A (en) * 1987-07-08 1989-06-06 Snaper Alvin A Remote access personnel identification and tracking system
EP0306598A3 (en) * 1987-09-08 1989-08-23 Clifford Electronics, Inc. Electronically programmable remote control access systems
US5027314A (en) * 1988-03-17 1991-06-25 United Manufacturing Co., Inc. Apparatus and method for position reporting
US4916441A (en) * 1988-09-19 1990-04-10 Clinicom Incorporated Portable handheld terminal
US5684828A (en) * 1988-12-09 1997-11-04 Dallas Semiconductor Corp. Wireless data module with two separate transmitter control outputs
KR920005507B1 (ko) * 1989-05-16 1992-07-06 삼성전자 주식회사 차량 자동추적 시스템의 차량 탑재장치
NL8901659A (nl) * 1989-06-30 1991-01-16 Nedap Nv Multipassysteem.
FR2656447B1 (fr) * 1989-12-26 1992-03-27 Omega Electronics Sa Dispositif de chronometrage de mobiles.
US5973613A (en) * 1990-06-15 1999-10-26 Raytheon Company Personal messaging system and method
US5640151A (en) * 1990-06-15 1997-06-17 Texas Instruments Incorporated Communication system for communicating with tags
FR2666187B1 (fr) * 1990-08-24 1994-05-06 Philippe Michel Dispositif pour le dialogue a distance entre une station et un ou plusieurs objets portatifs.
US5191192A (en) * 1990-09-10 1993-03-02 Mitsubishi Denki Kabushiki Kaisha Non-contact type information card and communication system
JP3143123B2 (ja) * 1990-11-06 2001-03-07 マイクロン・テクノロジー・インコーポレイテッド デュアルモード電子識別システム
GB2253291B (en) * 1991-02-26 1994-08-17 Kevin Bell Signalling apparatus
FR2674656B1 (fr) * 1991-03-26 1993-05-28 Bruneau Edward Dispositif d'actionnement autorise des organes de condamnation d'une installation.
FR2677135B1 (fr) * 1991-05-28 1997-09-12 Commissariat Energie Atomique Systeme d'identification automatique d'objets ou d'individus par interrogation a distance
US5321753A (en) * 1991-07-08 1994-06-14 The United States Of America As Represented By The United States Department Of Energy Secure communication of static information by electronic means
US5994770A (en) * 1991-07-09 1999-11-30 Dallas Semiconductor Corporation Portable electronic data carrier
US5266925A (en) * 1991-09-30 1993-11-30 Westinghouse Electric Corp. Electronic identification tag interrogation method
DE4134922C1 ( ) * 1991-10-23 1992-12-03 Anatoli 3013 Barsinghausen De Stobbe
JP2877594B2 (ja) * 1991-11-14 1999-03-31 富士通株式会社 入場者管理システム
GB9202831D0 (en) 1992-02-11 1992-03-25 Shanning Laser Systems Ltd Security tag
JP2747395B2 (ja) * 1992-07-20 1998-05-06 三菱電機株式会社 非接触ｉｃカード、非接触ｉｃカードリーダライタ及びデータ伝送方法
IL107636A (en) * 1992-11-18 1998-02-08 Csir Identify multiple items
US5541928A (en) * 1993-11-02 1996-07-30 Nippondenso Co., Ltd. Communication system which establishes communication sessions based on unit ID codes to avoid transmission conflicts
US5539394A (en) * 1994-03-16 1996-07-23 International Business Machines Corporation Time division multiplexed batch mode item identification system
US5848541A (en) * 1994-03-30 1998-12-15 Dallas Semiconductor Corporation Electrical/mechanical access control systems
US5831827A (en) * 1994-04-28 1998-11-03 Dallas Semiconductor Corporation Token shaped module for housing an electronic circuit
US5604343A (en) * 1994-05-24 1997-02-18 Dallas Semiconductor Corporation Secure storage of monetary equivalent data systems and processes
US5679944A (en) * 1994-06-15 1997-10-21 Dallas Semiconductor Corporation Portable electronic module having EPROM memory, systems and processes
JP3201157B2 (ja) * 1994-07-26 2001-08-20 松下電器産業株式会社 Ｉｃカード装置
WO1996008794A1 (en) * 1994-09-12 1996-03-21 Westinghouse Electric Corporation Security code identification circuit
AU3400395A (en) * 1994-09-12 1996-03-29 Atr Human Information Processing Research Laboratories Co.,Ltd. Sound characteristic convertor, sound/label associating apparatus and method to form them
US6249212B1 (en) * 1994-10-05 2001-06-19 Avid Marketing, Inc. Universal electronic identification tag
US5615130A (en) * 1994-12-14 1997-03-25 Dallas Semiconductor Corp. Systems and methods to gather, store and transfer information from electro/mechanical tools and instruments
AU4745296A (en) * 1994-12-29 1996-07-24 Stephen Dale Smith Identification system
US5708423A (en) * 1995-05-09 1998-01-13 Sensormatic Electronics Corporation Zone-Based asset tracking and control system
US5543780A (en) * 1995-06-16 1996-08-06 Secure Care Products, Inc. Monitoring tag with removal detection
US5661457A (en) * 1995-06-19 1997-08-26 Sensormatic Electronics Corporation Directional antenna configuration for asset tracking system
GB9512953D0 (en) * 1995-06-26 1995-08-30 Medestate Ltd Tag detection system
DE19523654A1 (de) * 1995-06-29 1997-01-02 Sel Alcatel Ag Verfahren, Schaltungsanordnung und Abfragesystem zur fälschungssicheren Geräteidentifikation
DE19528599C2 (de) * 1995-08-03 1999-05-27 Siemens Ag Verfahren zur Zugriffssteuerung von einer Datenstation auf mobile Datenträger
US5625341A (en) * 1995-08-31 1997-04-29 Sensormatic Electronics Corporation Multi-bit EAS marker powered by interrogation signal in the eight MHz band
TW383527B (en) * 1995-11-09 2000-03-01 British Tech Group Enhanced detectionn of multipled data transmissions
FR2741980B1 (fr) 1995-12-01 1998-01-23 Pierre Raimbault Procede de mise en phase d'etiquettes electroniques station d'interrogation et etiquette electronique pour sa mise en oeuvre
US5940006A (en) * 1995-12-12 1999-08-17 Lucent Technologies Inc. Enhanced uplink modulated backscatter system
US5732401A (en) * 1996-03-29 1998-03-24 Intellitecs International Ltd. Activity based cost tracking systems
US6058374A (en) * 1996-06-20 2000-05-02 Northrop Grumman Corporation Inventorying method and system for monitoring items using tags
US5768140A (en) * 1996-06-21 1998-06-16 Symbol Technologies, Inc. RF-interrogatable processing system
US6128549A (en) * 1996-06-21 2000-10-03 Symbol Technologies, Inc. RF interrogatable processing system
US6362737B1 (en) * 1998-06-02 2002-03-26 Rf Code, Inc. Object Identification system with adaptive transceivers and methods of operation
US6812824B1 (en) 1996-10-17 2004-11-02 Rf Technologies, Inc. Method and apparatus combining a tracking system and a wireless communication system
CA2268951A1 (en) * 1996-10-17 1998-04-23 Pinpoint Corporation Article tracking system
DE19646153A1 (de) * 1996-11-08 1998-05-14 Siemens Nixdorf Inf Syst Warenkorbabtaster
GB2319698B (en) 1996-11-21 2001-08-08 Motorola Inc Method for communicating with a plurality of contactless data carriers and contactless data carrier for use therein
US6184841B1 (en) 1996-12-31 2001-02-06 Lucent Technologies Inc. Antenna array in an RFID system
US6046683A (en) * 1996-12-31 2000-04-04 Lucent Technologies Inc. Modulated backscatter location system
US6456668B1 (en) 1996-12-31 2002-09-24 Lucent Technologies Inc. QPSK modulated backscatter system
US5784686A (en) * 1996-12-31 1998-07-21 Lucent Technologies Inc. IQ combiner technology in modulated backscatter system
US6130623A (en) * 1996-12-31 2000-10-10 Lucent Technologies Inc. Encryption for modulated backscatter systems
US5952922A (en) * 1996-12-31 1999-09-14 Lucent Technologies Inc. In-building modulated backscatter system
US6243012B1 (en) 1996-12-31 2001-06-05 Lucent Technologies Inc. Inexpensive modulated backscatter reflector
US6570487B1 (en) 1997-01-24 2003-05-27 Axcess Inc. Distributed tag reader system and method
US6034603A (en) * 1997-01-24 2000-03-07 Axcess, Inc. Radio tag system and method with improved tag interference avoidance
US5914671A (en) * 1997-02-27 1999-06-22 Micron Communications, Inc. System and method for locating individuals and equipment, airline reservation system, communication system
EP0983569B1 (en) 1997-05-14 2003-09-24 Btg International Limited Enhanced identification system
GB2325141A (en) 1997-05-14 1998-11-18 British Tech Group Automatic milking system
DE19734341A1 (de) * 1997-08-08 1999-02-11 Bosch Gmbh Robert Verfahren zum Betrieb einer Fernbedienung und Fernbedienung
US6014029A (en) * 1997-11-12 2000-01-11 Climonics Ltda Sensor for sensing changes in the permittivity of a medium in which it is disposed
US6002344A (en) * 1997-11-21 1999-12-14 Bandy; William R. System and method for electronic inventory
US7035818B1 (en) * 1997-11-21 2006-04-25 Symbol Technologies, Inc. System and method for electronic inventory
US7844505B1 (en) 1997-11-21 2010-11-30 Symbol Technologies, Inc. Automated real-time distributed tag reader network
GB2333623B (en) * 1998-01-24 2000-04-26 Plessey Telecomm Transaction system
FR2776444B1 (fr) * 1998-03-18 2000-05-26 Innovatron Electronique Systeme de communication sans contact au moyen d'un procede a induction entre une borne et des objets portatifs, comprenant des moyens de test fonctionnel de la borne
GB2335573B (en) 1998-03-18 2000-03-15 Univ Singapore An RF transponder identification system and protocol
US6369709B1 (en) 1998-04-10 2002-04-09 3M Innovative Properties Company Terminal for libraries and the like
ES2205806T3 (es) * 1998-04-21 2004-05-01 Thomson Multimedia Procedimiento de sincronizacion en una red de comunicacion y aparatos para llevarlo a cabo.
WO1999060510A1 (fr) * 1998-05-15 1999-11-25 Em Microelectronic-Marin S.A. Systeme d'identification electronique d'une pluralite de transpondeurs
DE69803548T2 (de) * 1998-05-15 2002-09-26 Em Microelectronic-Marin S.A., Marin Elektronisches Identifizierungssystem für mehrere Transponder
JP3531477B2 (ja) 1998-06-05 2004-05-31 株式会社日立製作所 非接触カードの通信方法及び該通信に用いる集積回路
EP1862982B1 (en) 1998-08-14 2014-11-19 3M Innovative Properties Company Method of interrogating a package bearing an RFID tag
EP1145189B1 (en) * 1998-08-14 2008-05-07 3M Innovative Properties Company Radio frequency identification systems applications
GB2340692B (en) 1998-08-18 2002-12-11 Identec Ltd Transponder identification system
US6209111B1 (en) 1998-11-09 2001-03-27 Microsoft Corporation Error correction on a mobile device
US6294953B1 (en) 1999-02-26 2001-09-25 Axcess, Inc. High sensitivity demodulator for a radio tag and method
DE19913366C2 (de) * 1999-03-24 2001-11-15 Siemens Ag Vorrichtung zum Überprüfen der Identität eines Senders
US6400272B1 (en) * 1999-04-01 2002-06-04 Presto Technologies, Inc. Wireless transceiver for communicating with tags
JP2003500975A (ja) 1999-05-21 2003-01-07 ケーナー，ラルフ・ジェイ 規定された集合のメンバーの存在／不在をモニタするための識別システム
US7005985B1 (en) 1999-07-20 2006-02-28 Axcess, Inc. Radio frequency identification system and method
DE19938998B4 (de) * 1999-08-17 2008-01-17 Infineon Technologies Ag Verfahren zum Betreiben von Chipkarten
US6297734B1 (en) 1999-09-23 2001-10-02 Northrop Grumman Corporation Randomization of transmit time
JP2001088789A (ja) 1999-09-24 2001-04-03 Yamaha Motor Co Ltd 小型推進艇の盗難防止装置
WO2001025571A1 (en) * 1999-10-04 2001-04-12 Siemens Automotive Corporation Sequencing control for vehicle access system
DE19949572B4 (de) * 1999-10-14 2006-02-16 Texas Instruments Deutschland Gmbh Verfahren zum Identifizieren mehrerer Transponder
JP2001136100A (ja) * 1999-11-04 2001-05-18 Matsushita Electronics Industry Corp 情報通信処理方式
US7286158B1 (en) 1999-12-22 2007-10-23 Axcess International Inc. Method and system for providing integrated remote monitoring services
SE518382C2 (sv) * 2000-01-18 2002-10-01 Leif Nyfelt Förfarande vid övervakning av en individs rörelser i byggnader och rum
US6377203B1 (en) 2000-02-01 2002-04-23 3M Innovative Properties Company Collision arbitration method and apparatus for reading multiple radio frequency identification tags
WO2001065481A1 (en) * 2000-03-01 2001-09-07 Axcess Inc. Radio tag system and method with tag interference avoidance
US6369710B1 (en) 2000-03-27 2002-04-09 Lucent Technologies Inc. Wireless security system
US6373389B1 (en) * 2000-04-21 2002-04-16 Usm Systems, Ltd. Event driven information system
US7768546B1 (en) 2000-05-12 2010-08-03 Axcess International, Inc. Integrated security system and method
EP1168229A3 (en) 2000-06-16 2002-10-30 Secure Care Products, Inc. Apparatus and system for identifying infant-mother match
US7253717B2 (en) * 2000-11-29 2007-08-07 Mobile Technics Llc Method and system for communicating with and tracking RFID transponders
US6600418B2 (en) 2000-12-12 2003-07-29 3M Innovative Properties Company Object tracking and management system and method using radio-frequency identification tags
JP2002225799A (ja) 2001-02-05 2002-08-14 Sanshin Ind Co Ltd 水上走行船の盗難防止装置
EP2287777A1 (en) * 2001-02-12 2011-02-23 Symbol Technologies, Inc. Radio frequency identification architecture
CA2441512C (en) 2001-03-09 2010-06-29 Radianse, Inc. Location system and methods
SE523165C2 (sv) * 2001-03-20 2004-03-30 Leif Nyfelt Förfarande vid övervakning av en individs rörelser i och kring byggnader, rum och liknande
US7588185B2 (en) 2001-06-07 2009-09-15 3M Innovative Properties Company RFID data collection and use
US6669089B2 (en) 2001-11-12 2003-12-30 3M Innovative Properties Co Radio frequency identification systems for asset tracking
US6825766B2 (en) 2001-12-21 2004-11-30 Genei Industries, Inc. Industrial data capture system including a choke point portal and tracking software for radio frequency identification of cargo
AU2003237866A1 (en) * 2002-01-22 2003-09-02 Bae Systems Information And Electronic Systems Integration Inc. Digital rf tag
CA2477521A1 (en) * 2002-02-28 2003-09-04 Siemens Aktiengesellschaft Method for encoding a sequence of data bits, in particular for transmission via an air interface
US7443877B2 (en) * 2002-02-28 2008-10-28 Siemens Aktiengesellschaft Method for coding a sequence of data bits, in particular for transmission via an air interface
US7009496B2 (en) * 2002-04-01 2006-03-07 Symbol Technologies, Inc. Method and system for optimizing an interrogation of a tag population
GB0213724D0 (en) * 2002-06-14 2002-07-24 Turner Christopher G G Electronic identification system
US7760835B2 (en) 2002-10-02 2010-07-20 Battelle Memorial Institute Wireless communications devices, methods of processing a wireless communication signal, wireless communication synchronization methods and a radio frequency identification device communication method
AU2003286702A1 (en) * 2002-10-25 2004-05-13 Symbol Technologies, Inc. Optimization of a binary tree traversal with secure communications
JP2004206371A (ja) * 2002-12-25 2004-07-22 Renesas Technology Corp 半導体装置
US7167094B2 (en) * 2003-01-31 2007-01-23 Secure Care Products, Inc. Systems and methods for providing secure environments
US8036329B2 (en) * 2003-12-19 2011-10-11 Nxp B.V. Sychronization during anti-collision
US7841120B2 (en) 2004-03-22 2010-11-30 Wilcox Industries Corp. Hand grip apparatus for firearm
US7917088B2 (en) * 2004-04-13 2011-03-29 Impinj, Inc. Adaptable detection threshold for RFID tags and chips
US20060244598A1 (en) * 2005-04-29 2006-11-02 Impinj, Inc. Interference rejection in RFID tags
DE102004041437B3 (de) * 2004-08-27 2006-03-09 Atmel Germany Gmbh Verfahren zur Auswahl eines oder mehrerer Transponder
EP1864266A2 (en) * 2005-03-29 2007-12-12 Symbol Technologies, Inc. Smart radio frequency identification (rfid) items
US8441534B2 (en) * 2005-04-29 2013-05-14 Nxp B.V. Electronic article surveillance system
US7728713B2 (en) * 2005-05-06 2010-06-01 Intelleflex Corporation Accurate persistent nodes
US7800503B2 (en) 2006-05-11 2010-09-21 Axcess International Inc. Radio frequency identification (RFID) tag antenna design
US8427282B2 (en) * 2008-07-15 2013-04-23 Zih Corp. Identification system
US8638194B2 (en) 2008-07-25 2014-01-28 Axcess International, Inc. Multiple radio frequency identification (RFID) tag wireless wide area network (WWAN) protocol
US10050330B2 (en) 2011-12-05 2018-08-14 Adasa Inc. Aerial inventory antenna
US10846497B2 (en) 2011-12-05 2020-11-24 Adasa Inc. Holonomic RFID reader
US10476130B2 (en) 2011-12-05 2019-11-12 Adasa Inc. Aerial inventory antenna
US9780435B2 (en) 2011-12-05 2017-10-03 Adasa Inc. Aerial inventory antenna
US11093722B2 (en) 2011-12-05 2021-08-17 Adasa Inc. Holonomic RFID reader
US9747480B2 (en) 2011-12-05 2017-08-29 Adasa Inc. RFID and robots for multichannel shopping

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA475417A (en) * 1951-07-17 Peter Scott Gerard Apparatus for treating sewage
US3859624A (en) * 1972-09-05 1975-01-07 Thomas A Kriofsky Inductively coupled transmitter-responder arrangement
DE2249670B2 (de) * 1972-10-11 1978-06-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zum Vermindern der Wahrscheinlichkeit der eine empfangsseitig auswertbare oder zumindest eine ungestörte Übertragung verhindernden gleichzeitigen Belegung eines Übertragungskanals
DE2351013B2 (de) * 1973-10-11 1977-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Nachrichtenuebermittlungssystem
US4015259A (en) * 1975-05-21 1977-03-29 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for interrogating and identifying fixed or moving targets
GB1577920A (en) * 1976-11-01 1980-10-29 Nedap Nv Detection plate for identification systems
DE2844453A1 (de) * 1978-10-12 1980-04-24 Bbc Brown Boveri & Cie Verfahren zum uebertragen von fernwirktelegrammen im gemeinschaftsverkehr
DE2919753A1 (de) * 1979-05-16 1980-11-27 Bbc Brown Boveri & Cie Einrichtung zur automatischen identifizierung von objekten und/oder lebewesen
DE2946942C2 (de) * 1979-11-21 1985-07-18 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren zum Erkennen einer Vielzahl von Objekten
DE3009179A1 (de) * 1980-03-11 1981-09-24 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und vorrichtung zur erzeugung des antwortsignals einer einrichtung zur automatischen indentifizierung von objekten und/oder lebewesen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62203289A (ja) * 1986-03-03 1987-09-07 Matsushita Electric Works Ltd 複数カ−ドの同時識別システム
JPH061512B2 (ja) * 1986-03-03 1994-01-05 松下電工株式会社 複数カ−ドの同時識別システム
JPS62277579A (ja) * 1986-03-31 1987-12-02 ロジヤツク・コ−ポレ−シヨン 行方不明車両の追跡方法及びその装置
JPH0562957B2 ( ) * 1986-03-31 1993-09-09 Rojatsuku Corp
JPS63134978A (ja) * 1986-11-26 1988-06-07 Matsushita Electric Works Ltd 移動体識別装置におけるデータ伝送方法
JPH04315081A (ja) * 1991-01-04 1992-11-06 Csir 識別装置
US7610021B2 (en) 2003-03-06 2009-10-27 Canon Kabushiki Kaisha Communication apparatus and method for preventing interference with information transmitted from another communication apparatus

Also Published As

Publication number Publication date
IT1198536B (it) 1988-12-21
MX155097A (es) 1988-01-26
AR231364A1 (es) 1984-10-31
DE3305685C2 (de) 1995-10-19
FR2522829B1 (fr) 1986-09-05
GB8305854D0 (en) 1983-04-07
IT8309358A0 (it) 1983-03-04
ES8407270A1 (es) 1984-08-16
DE3305685A1 (de) 1983-09-15
BE895864A (fr) 1983-05-30
CA1211522A (en) 1986-09-16
IT8309358A1 (it) 1984-09-01
SE456278B (sv) 1988-09-19
IE830193L (en) 1983-09-05
FR2522829A1 (fr) 1983-09-09
BR8301091A (pt) 1983-11-22
SE8301199D0 (sv) 1983-03-04
GB2116808A (en) 1983-09-28
NL8300643A (nl) 1983-10-03
JPH032271B2 ( ) 1991-01-14
US4471345A (en) 1984-09-11
GB2116808B (en) 1986-10-22
ES519769A0 (es) 1984-08-16
SE8301199L (sv) 1983-09-06

Similar Documents

Publication Publication Date Title
JPS58162881A (ja) タグ回路及びそれを用いる通信方式
US4004097A (en) Automatic meter reading device
US5097505A (en) Method and apparatus for secure identification and verification
US3587051A (en) Electronic combination switching device
US3810096A (en) Method and system for transmitting data and indicating room status
US3513443A (en) Selective signalling system with receiver generator
US3678250A (en) Identification switch
JPS62271078A (ja) 物体同定システム
WO1994028968A2 (en) Method and apparatus for communicating data between medical devices to improve detectability of errors
US3611361A (en) Alarm-monitoring system
US3508205A (en) Communications security system
KR100689048B1 (ko) 코히어런트 신호 간섭 감소를 위한 부호화/복호화 시스템
US3952298A (en) Clock gated digital data encoding circuit
US4486751A (en) Electronic identification system
GB1602307A (en) Security systems having remote terminals system for monitoring integrity of communication lines in
JPH0983608A (ja) 時刻同期装置
WO1991011732A1 (en) Method and device for radio-navigational determinations using artificial earth-satellites
US4166272A (en) Process for data transfer with increased security against construction member error
US4055835A (en) Line-seizing apparatus
US3820071A (en) Credit card risk evaluation systems
US3631395A (en) Data communication and verification system
RU2387017C2 (ru) Система сопряжения устройств для имитозащиты контролируемых объектов
IL33602A (en) Coded switching device using random numbers
JPH0445115Y2 ( )
JPH028770A (ja) 移動体識別装置