DE69025162D1 - System mit grosser Geschwindigkeit zum Lesen und Schreiben von Daten von und in entfernten Aufklebetranspondern - Google Patents

System mit grosser Geschwindigkeit zum Lesen und Schreiben von Daten von und in entfernten Aufklebetranspondern

Info

Publication number
DE69025162D1
DE69025162D1 DE69025162T DE69025162T DE69025162D1 DE 69025162 D1 DE69025162 D1 DE 69025162D1 DE 69025162 T DE69025162 T DE 69025162T DE 69025162 T DE69025162 T DE 69025162T DE 69025162 D1 DE69025162 D1 DE 69025162D1
Authority
DE
Germany
Prior art keywords
transponders
sticker
remote
reading
high speed
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.)
Expired - Fee Related
Application number
DE69025162T
Other languages
English (en)
Other versions
DE69025162T2 (de
Inventor
Peter L Hendrick
Donald F Speirs
Michael A Wolf
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.)
Amtech Systems Inc
Original Assignee
Amtech Systems 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 Amtech Systems Inc filed Critical Amtech Systems Inc
Application granted granted Critical
Publication of DE69025162D1 publication Critical patent/DE69025162D1/de
Publication of DE69025162T2 publication Critical patent/DE69025162T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/59—Responders; Transponders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/048—Indicating or recording train identities using programmable tags
    • 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
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • 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
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/825—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/40—Data acquisition and logging
    • 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
DE69025162T 1990-02-06 1990-11-05 System mit grosser Geschwindigkeit zum Lesen und Schreiben von Daten von und in entfernten Aufklebetranspondern Expired - Fee Related DE69025162T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/475,729 US5055659A (en) 1990-02-06 1990-02-06 High speed system for reading and writing data from and into remote tags

Publications (2)

Publication Number Publication Date
DE69025162D1 true DE69025162D1 (de) 1996-03-14
DE69025162T2 DE69025162T2 (de) 1996-12-12

Family

ID=23888863

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69025162T Expired - Fee Related DE69025162T2 (de) 1990-02-06 1990-11-05 System mit grosser Geschwindigkeit zum Lesen und Schreiben von Daten von und in entfernten Aufklebetranspondern

Country Status (9)

Country Link
US (1) US5055659A (de)
EP (1) EP0441031B1 (de)
JP (1) JPH07115383A (de)
KR (1) KR0160980B1 (de)
AU (1) AU625483B2 (de)
CA (1) CA2030703C (de)
DE (1) DE69025162T2 (de)
ES (1) ES2084669T3 (de)
IL (1) IL96322A0 (de)

Families Citing this family (137)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010050943A1 (en) * 1989-08-03 2001-12-13 Mahany Ronald L. Radio frequency communication network having adaptive communication parameters
US7606575B2 (en) * 1988-08-04 2009-10-20 Broadcom Corporation Remote radio data communication system with data rate switching
SE500030C2 (sv) * 1990-05-14 1994-03-21 Bengt Henoch Förfarande för att lagra komplicerade produkters livsdata
DE59108401D1 (de) * 1991-04-23 1997-01-16 Siemens Ag Einrichtung zur berührungslosen Daten- und Energieübertragung
US5340968A (en) * 1991-05-07 1994-08-23 Nippondenso Company, Ltd. Information storage medium with electronic and visual areas
US6374311B1 (en) * 1991-10-01 2002-04-16 Intermec Ip Corp. Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
US7558557B1 (en) 1991-11-12 2009-07-07 Broadcom Corporation Low-power messaging in a network supporting roaming terminals
US7415548B2 (en) * 1991-05-13 2008-08-19 Broadcom Corporation Communication network having a plurality of bridging nodes which transmits a polling message with backward learning technique to determine communication pathway
DE69233608T2 (de) * 1991-10-01 2007-03-01 Broadcom Corp., Irvine Lokales Funkfrequenznetzwerk
US6407991B1 (en) 1993-05-06 2002-06-18 Intermec Ip Corp. Communication network providing wireless and hard-wired dynamic routing
SE9201864D0 (sv) * 1992-06-17 1992-06-17 Saab Scania Combitech Ab System foer informationsoeverfoering med flera transpondrar
US5499626A (en) * 1992-05-01 1996-03-19 Willham; Richard L. Individual descriptive record system
US5322034A (en) * 1992-05-01 1994-06-21 Iowa State University Research Foundation, Inc. Livestock record system
US6144916A (en) * 1992-05-15 2000-11-07 Micron Communications, Inc. Itinerary monitoring system for storing a plurality of itinerary data points
US5787174A (en) * 1992-06-17 1998-07-28 Micron Technology, Inc. Remote identification of integrated circuit
US7158031B2 (en) 1992-08-12 2007-01-02 Micron Technology, Inc. Thin, flexible, RFID label and system for use
US7917145B2 (en) * 1992-11-02 2011-03-29 Broadcom Corporation Radio frequency local area network
DE4240628C2 (de) * 1992-12-03 2000-11-09 Sipra Patent Beteiligung Überwachungseinrichtung an einer Textilmaschine
US6097301A (en) 1996-04-04 2000-08-01 Micron Communications, Inc. RF identification system with restricted range
US20050040961A1 (en) * 1995-04-11 2005-02-24 Tuttle John R. RF identification system with restricted range
US5491482A (en) * 1992-12-29 1996-02-13 David Sarnoff Research Center, Inc. Electronic system and method for remote identification of coded articles and the like
US5423334A (en) * 1993-02-01 1995-06-13 C. R. Bard, Inc. Implantable medical device characterization system
US5701127A (en) * 1993-02-23 1997-12-23 Texas Instruments Incorporated Automatic vehicle identification system capable of vehicle lane discrimination
US5606574A (en) * 1993-09-13 1997-02-25 Matsushita Electric Industrial Co., Ltd. Mobile unit identifying system and method of demodulating for the same
US5485520A (en) * 1993-10-07 1996-01-16 Amtech Corporation Automatic real-time highway toll collection from moving vehicles
US5471216A (en) * 1993-12-10 1995-11-28 Wide Band Systems, Inc. Associative processor for detecting redundant radar data and method of use thereof
US5539394A (en) * 1994-03-16 1996-07-23 International Business Machines Corporation Time division multiplexed batch mode item identification system
US5731754A (en) * 1994-06-03 1998-03-24 Computer Methods Corporation Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data
DE4420462A1 (de) * 1994-06-13 1995-12-14 Sel Alcatel Ag Verfahren zur Auswahl eines von mindestens zwei Fernmeldeendgeräten und Fernmeldeendgerät dafür
DE4425271A1 (de) 1994-07-18 1996-01-25 Sel Alcatel Ag Verfahren und Geräteanordnung für einen gesicherten, anonymen Zahlungsverkehr
US5712630A (en) * 1994-07-26 1998-01-27 Matsushita Electric Works. Ltd. High power moving object identification system
US5841364A (en) * 1994-10-07 1998-11-24 Texas Instruments Incorporated Method and apparatus for transfering information from a transponder
US5635693A (en) * 1995-02-02 1997-06-03 International Business Machines Corporation System and method for tracking vehicles in vehicle lots
US5874214A (en) * 1995-04-25 1999-02-23 Irori Remotely programmable matrices with memories
US6017496A (en) 1995-06-07 2000-01-25 Irori Matrices with memories and uses thereof
US5751629A (en) * 1995-04-25 1998-05-12 Irori Remotely programmable matrices with memories
US6331273B1 (en) 1995-04-25 2001-12-18 Discovery Partners International Remotely programmable matrices with memories
US6416714B1 (en) 1995-04-25 2002-07-09 Discovery Partners International, Inc. Remotely programmable matrices with memories
US6329139B1 (en) 1995-04-25 2001-12-11 Discovery Partners International Automated sorting system for matrices with memory
US5649295A (en) * 1995-06-19 1997-07-15 Lucent Technologies Inc. Dual mode modulated backscatter system
US7002475B2 (en) * 1997-12-31 2006-02-21 Intermec Ip Corp. Combination radio frequency identification transponder (RFID tag) and magnetic electronic article surveillance (EAS) tag
US7358857B1 (en) 1996-03-27 2008-04-15 Symbol Technologies, Inc. Global positioning systems applications
US6097292A (en) * 1997-04-01 2000-08-01 Cubic Corporation Contactless proximity automated data collection system and method
US6067297A (en) * 1996-06-28 2000-05-23 Symbol Technologies, Inc. Embedded access point supporting communication with mobile unit operating in power-saving mode
US5815020A (en) * 1996-09-24 1998-09-29 Motorola, Inc. Balance differential receiver
US5812942A (en) * 1996-09-24 1998-09-22 Motorola, Inc. Balanced differential radio receiver and method of operation
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
US6104333A (en) 1996-12-19 2000-08-15 Micron Technology, Inc. Methods of processing wireless communication, methods of processing radio frequency communication, and related systems
US6084530A (en) * 1996-12-30 2000-07-04 Lucent Technologies Inc. Modulated backscatter sensor 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
US6130623A (en) * 1996-12-31 2000-10-10 Lucent Technologies Inc. Encryption for modulated backscatter systems
US6184841B1 (en) 1996-12-31 2001-02-06 Lucent Technologies Inc. Antenna array in an RFID system
US5978379A (en) 1997-01-23 1999-11-02 Gadzoox Networks, Inc. Fiber channel learning bridge, learning half bridge, and protocol
JP4172727B2 (ja) 1997-05-14 2008-10-29 ズィーアイエイチ・コーポレーション 識別システムの改良
US6980085B1 (en) * 1997-08-18 2005-12-27 Micron Technology, Inc. Wireless communication devices and methods of forming and operating the same
US6208062B1 (en) 1997-08-18 2001-03-27 X-Cyte, Inc. Surface acoustic wave transponder configuration
US5986382A (en) 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6114971A (en) 1997-08-18 2000-09-05 X-Cyte, Inc. Frequency hopping spread spectrum passive acoustic wave identification device
US6060815A (en) 1997-08-18 2000-05-09 X-Cyte, Inc. Frequency mixing passive transponder
US6339385B1 (en) 1997-08-20 2002-01-15 Micron Technology, Inc. Electronic communication devices, methods of forming electrical communication devices, and communication methods
US6061614A (en) * 1997-10-17 2000-05-09 Amtech Systems Corporation Electronic tag including RF modem for monitoring motor vehicle performance
US6204765B1 (en) * 1997-12-23 2001-03-20 Inkrmec Ip Corp. Method of detecting relative direction of motion of a radio frequency (RF) tag
US6177872B1 (en) 1998-03-13 2001-01-23 Intermec Ip Corp. Distributed impedance matching circuit for high reflection coefficient load
US6281794B1 (en) 1998-01-02 2001-08-28 Intermec Ip Corp. Radio frequency transponder with improved read distance
US6249227B1 (en) 1998-01-05 2001-06-19 Intermec Ip Corp. RFID integrated in electronic assets
US6104291A (en) * 1998-01-09 2000-08-15 Intermec Ip Corp. Method and apparatus for testing RFID tags
US6441740B1 (en) 1998-02-27 2002-08-27 Intermec Ip Corp. Radio frequency identification transponder having a reflector
US6639509B1 (en) 1998-03-16 2003-10-28 Intermec Ip Corp. System and method for communicating with an RFID transponder with reduced noise and interference
US6121878A (en) * 1998-05-01 2000-09-19 Intermec Ip Corp. System for controlling assets
DE19822443A1 (de) 1998-05-19 1999-11-25 Alcatel Sa Verfahren zur Erfassung von Straßenbenutzungsgebühren sowie Erfassungsstelle dafür
ATE213555T1 (de) * 1998-07-13 2002-03-15 Koninkl Philips Electronics Nv Transponder system mit quittierungen assoziiert mit dem entsprechenden transponder
JP2002525932A (ja) * 1998-09-11 2002-08-13 モトローラ・インコーポレイテッド コンタクトレス・プログラミング機能を有する静電無線周波識別システム
US6894601B1 (en) 1998-10-16 2005-05-17 Cummins Inc. System for conducting wireless communications between a vehicle computer and a remote system
US6107917A (en) * 1998-10-16 2000-08-22 Carrender; Curtis L. Electronic tag including RF modem for monitoring motor vehicle performance with filtering
US6201474B1 (en) 1998-10-21 2001-03-13 Intermec Ip Corp. Magnetic tape storage media having RFID transponders
US6100804A (en) * 1998-10-29 2000-08-08 Intecmec Ip Corp. Radio frequency identification system
US6236223B1 (en) 1998-11-09 2001-05-22 Intermec Ip Corp. Method and apparatus for wireless radio frequency testing of RFID integrated circuits
US7430171B2 (en) 1998-11-19 2008-09-30 Broadcom Corporation Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost
US6456191B1 (en) 1999-03-23 2002-09-24 Exi Wireless Systems Inc. Tag system with anti-collision features
US6911855B2 (en) 1999-06-28 2005-06-28 Broadcom Corporation Current-controlled CMOS circuit using higher voltage supply in low voltage CMOS process
US6897697B2 (en) * 1999-06-28 2005-05-24 Broadcom Corporation Current-controlled CMOS circuit using higher voltage supply in low voltage CMOS process
US6424194B1 (en) 1999-06-28 2002-07-23 Broadcom Corporation Current-controlled CMOS logic family
US6424177B1 (en) * 1999-06-28 2002-07-23 Broadcom Corporation Universal single-ended parallel bus
US6714121B1 (en) 1999-08-09 2004-03-30 Micron Technology, Inc. RFID material tracking method and apparatus
DE19950532A1 (de) * 1999-10-20 2001-07-12 Schoeller Plast Ag Wiederverwendbares Beförderungsmittel mit Transponder
FR2802682B1 (fr) * 1999-12-17 2003-05-16 Martin Jacques G Procede et installation d'identification d'animaux et gestion des informations relatives aux dits animaux
US6340899B1 (en) 2000-02-24 2002-01-22 Broadcom Corporation Current-controlled CMOS circuits with inductive broadbanding
US6369710B1 (en) 2000-03-27 2002-04-09 Lucent Technologies Inc. Wireless security system
US8266465B2 (en) 2000-07-26 2012-09-11 Bridgestone Americas Tire Operation, LLC System for conserving battery life in a battery operated device
US7161476B2 (en) 2000-07-26 2007-01-09 Bridgestone Firestone North American Tire, Llc Electronic tire management system
GB2370478A (en) * 2000-12-22 2002-06-26 Innovision Res & Technology Lt Data communication apparatus for a board game
US7000834B2 (en) * 2001-02-21 2006-02-21 International Business Machines Corporation Method to address security and privacy issue of the use of RFID systems to track consumer products
US6864558B2 (en) * 2001-05-17 2005-03-08 Broadcom Corporation Layout technique for C3MOS inductive broadbanding
US7239636B2 (en) * 2001-07-23 2007-07-03 Broadcom Corporation Multiple virtual channels for use in network devices
JP3986277B2 (ja) * 2001-08-02 2007-10-03 大崎電気工業株式会社 信号伝送線識別装置
US20030030542A1 (en) * 2001-08-10 2003-02-13 Von Hoffmann Gerard PDA security system
US6737973B2 (en) * 2001-10-15 2004-05-18 3M Innovative Properties Company Amplifier modulation
US6624699B2 (en) * 2001-10-25 2003-09-23 Broadcom Corporation Current-controlled CMOS wideband data amplifier circuits
US7295555B2 (en) 2002-03-08 2007-11-13 Broadcom Corporation System and method for identifying upper layer protocol message boundaries
US6910911B2 (en) 2002-06-27 2005-06-28 Vocollect, Inc. Break-away electrical connector
US7346701B2 (en) * 2002-08-30 2008-03-18 Broadcom Corporation System and method for TCP offload
US7934021B2 (en) * 2002-08-29 2011-04-26 Broadcom Corporation System and method for network interfacing
US7411959B2 (en) * 2002-08-30 2008-08-12 Broadcom Corporation System and method for handling out-of-order frames
US8180928B2 (en) * 2002-08-30 2012-05-15 Broadcom Corporation Method and system for supporting read operations with CRC for iSCSI and iSCSI chimney
US7313623B2 (en) * 2002-08-30 2007-12-25 Broadcom Corporation System and method for TCP/IP offload independent of bandwidth delay product
US7573370B2 (en) * 2002-09-05 2009-08-11 Honeywell International Inc. Method and device for storing and distributing information in an RFID tag
US20110205056A9 (en) * 2003-03-24 2011-08-25 Borovoy Richard D Adding social networking to devices
US7538745B2 (en) * 2003-03-24 2009-05-26 Ntag Interactive Corporation Apparatus and method for enhancing face-to-face communication
TW200507579A (en) * 2003-06-10 2005-02-16 Matsushita Electric Ind Co Ltd License distribution method, information content providing method and relevant system
US7372364B2 (en) * 2003-11-10 2008-05-13 3M Innovative Properties Company Algorithm for RFID security
US7119692B2 (en) * 2003-11-10 2006-10-10 3M Innovative Properties Company System for detecting radio-frequency identification tags
US20050224313A1 (en) * 2004-01-26 2005-10-13 Cubic Corporation Robust noncontact media processor
ATE511159T1 (de) * 2004-07-01 2011-06-15 Powerid Ltd Batterieunterstützter rückstreu-rfid-transponder
US7366465B2 (en) * 2004-11-19 2008-04-29 Sirit Technologies Inc. Homodyne RFID receiver and method
US7209040B2 (en) * 2004-11-19 2007-04-24 Sirit Technologies, Inc. Homodyne RFID receiver and method
US7199713B2 (en) * 2004-11-19 2007-04-03 Sirit Technologies, Inc. Homodyne single mixer receiver and method therefor
US20060195354A1 (en) * 2005-02-28 2006-08-31 Ntag Interactive Corporation Method of scoring the performance of attendees at a meeting
KR100818244B1 (ko) 2005-05-10 2008-04-02 삼성전자주식회사 태그-관련정보 보안방법 및 이를 적용한 태그-관련정보보안시스템
US7598811B2 (en) 2005-07-29 2009-10-06 Broadcom Corporation Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading
US7362174B2 (en) 2005-07-29 2008-04-22 Broadcom Corporation Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection
US7598788B2 (en) 2005-09-06 2009-10-06 Broadcom Corporation Current-controlled CMOS (C3MOS) fully differential integrated delay cell with variable delay and high bandwidth
US20070080930A1 (en) * 2005-10-11 2007-04-12 Logan James R Terminal device for voice-directed work and information exchange
US8120493B2 (en) * 2006-12-20 2012-02-21 Intel Corporation Direct communication in antenna devices
US7667602B2 (en) * 2007-01-19 2010-02-23 Wal-Mart Stores, Inc. Multi-directional RFID reader for controlling inventory and shelf stock
US20080212303A1 (en) * 2007-03-02 2008-09-04 Warren Farnworth Device for reducing or preventing exchange of information
US20090058609A1 (en) * 2007-09-05 2009-03-05 Clayman Henry M Coupon provided with rfid tag and method of using the same
USD626949S1 (en) 2008-02-20 2010-11-09 Vocollect Healthcare Systems, Inc. Body-worn mobile device
US8079132B2 (en) * 2008-03-11 2011-12-20 Henry Clayman Method for shielding RFID tagged discarded items in retail, manufacturing and wholesale industries
US8386261B2 (en) 2008-11-14 2013-02-26 Vocollect Healthcare Systems, Inc. Training/coaching system for a voice-enabled work environment
US8116897B2 (en) * 2009-02-20 2012-02-14 Henry Clayman Method for manufacturing multi-piece article using RFID tags
US8659397B2 (en) 2010-07-22 2014-02-25 Vocollect, Inc. Method and system for correctly identifying specific RFID tags
USD643400S1 (en) 2010-08-19 2011-08-16 Vocollect Healthcare Systems, Inc. Body-worn mobile device
USD643013S1 (en) 2010-08-20 2011-08-09 Vocollect Healthcare Systems, Inc. Body-worn mobile device
GB201213846D0 (en) * 2012-08-03 2012-09-19 Sonitor Technologies As Location system
US9158950B2 (en) 2013-03-14 2015-10-13 Wal-Mart Stores, Inc. Method and apparatus pertaining to use of multiple sessions with RFID tags
US9135481B2 (en) 2013-03-14 2015-09-15 Wal-Mart Stores, Inc. Method and apparatus pertaining to installation of an RFID-tag reader system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632876A (en) * 1969-10-16 1972-01-04 Motorola Inc Binary to pulse waveform converter
US3801911A (en) * 1971-02-13 1974-04-02 Philips Corp Synchronous fm-modem
US4287596A (en) * 1979-11-26 1981-09-01 Ncr Corporation Data recovery system for use with a high speed serial link between two subsystems in a data processing system
US4937581A (en) * 1980-02-13 1990-06-26 Eid Electronic Identification Systems Ltd. Electronic identification system
US4360810A (en) * 1981-01-19 1982-11-23 The United States Of America As Represented By The United States Department Of Energy Multichannel homodyne receiver
US4473851A (en) * 1981-03-05 1984-09-25 Aisin Seiki Kabushiki Kaisha Analog magnetic recording system for binary signals
DE3329808A1 (de) * 1983-08-18 1985-02-28 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur erzeugung einer impulsreihe mit konstantem tastverhaeltnis bei wechselnder impulsfolge-frequenz
US4912471A (en) * 1983-11-03 1990-03-27 Mitron Systems Corporation Interrogator-responder communication system
US4739328A (en) * 1986-07-14 1988-04-19 Amtech Corporation System for identifying particular objects
US4786907A (en) * 1986-07-14 1988-11-22 Amtech Corporation Transponder useful in a system for identifying objects
DE3640003C2 (de) * 1986-11-22 1996-07-25 Schunk Produktionsgesellschaft Verfahren und Vorrichtung zur Informationsübertragung, insbesondere für mobile Informationsträgersysteme
US4835377A (en) * 1987-06-10 1989-05-30 Brown Richard R Programmer for identification system
US4888591A (en) * 1988-10-06 1989-12-19 Amtech Technology Corporation Signal discrimination system
US4951049A (en) * 1989-03-22 1990-08-21 Eastman Kodak Company Self clocking binary information encoder

Also Published As

Publication number Publication date
DE69025162T2 (de) 1996-12-12
EP0441031A3 (en) 1992-07-01
AU6483190A (en) 1991-08-08
JPH07115383A (ja) 1995-05-02
US5055659A (en) 1991-10-08
CA2030703C (en) 2000-01-25
EP0441031A2 (de) 1991-08-14
KR0160980B1 (ko) 1999-03-20
ES2084669T3 (es) 1996-05-16
AU625483B2 (en) 1992-07-09
KR910015864A (ko) 1991-09-30
EP0441031B1 (de) 1996-01-31
IL96322A0 (en) 1991-08-16
CA2030703A1 (en) 1991-08-07

Similar Documents

Publication Publication Date Title
DE69025162T2 (de) System mit grosser Geschwindigkeit zum Lesen und Schreiben von Daten von und in entfernten Aufklebetranspondern
DE69124323D1 (de) Verfahren zum Aufzeichnen von Daten in einer EEPROM-Speicherkarte und zugehöriges Speicherkartensystem
AT367227B (de) Aufzeichnungstraeger, in dem daten in einer optisch auslesbaren informationsstruktur gespeichert sind, und vorrichtung zum auslesen desselben
DE69419796T2 (de) Gerät zur Verdeckung von Fehlern in Daten
DE69316576D1 (de) IC Karte mit alterunggeschützten Daten und Programmen
DE68915082D1 (de) Chipkarte und Verfahren zum Einscheiben von Daten in diese.
DE68915818D1 (de) Abtastvorrichtung zum Lesen von Bilddaten.
DE69026634D1 (de) Verfahren und System zum Schreiben und Lesen von kodierten Daten
DE69218053D1 (de) Speicherkarte zur Zählung von Daten und Lesevorrichtung
DE3050253C2 (de) Verfahren zum Schreiben und lesen von Daten in bzw. aus Speicherzellen
DE3850430T2 (de) Verfahren und Gerät zur Aufzeichnung von Daten mit reversibler Phasenänderung.
DE69321881T2 (de) Vorrichtung zum Lesen von Strichkoden
DE59208665D1 (de) Vorrichtung zum Lesen und Beschreiben von Magnetkarten
DE69328534T2 (de) Vorrichtung zur Aufzeichnung von Daten
DE68912557T2 (de) Verfahren und gerät zum lesen von zeichen.
DE3889512T2 (de) Verfahren und Gerät zum Lesen oder Schreiben von Daten.
DE69621510T2 (de) Gerät und Verfahren zum Lesen und Schreiben von Daten
DE69411858T2 (de) Vorrichtung zum Lesen von kodierten Daten für photographischen Film
DE69221933D1 (de) Kombinierte Einrichtung zum Lesen/Schreiben von Informationen für elektronische Speicherkarten
DE59502532D1 (de) Speichereinrichtung und verfahren zum gleichzeitigen lesen und schreiben von daten
DE69321895D1 (de) Einrichtung zum Auslesen von Information
DE59107359D1 (de) Vorrichtung zum Beschreiben und/oder Lesen von Magnetkarten
DE69124567T2 (de) Vorrichtung zum Aufzeichnen und Lesen von Informationen
DE59410001D1 (de) Vorrichtung zum Lesen von Informationen
DE69123956D1 (de) System zum Lesen von kodierter Information

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee