DE2965497D1 - Object identification system - Google Patents

Object identification system

Info

Publication number
DE2965497D1
DE2965497D1 DE7979301035T DE2965497T DE2965497D1 DE 2965497 D1 DE2965497 D1 DE 2965497D1 DE 7979301035 T DE7979301035 T DE 7979301035T DE 2965497 T DE2965497 T DE 2965497T DE 2965497 D1 DE2965497 D1 DE 2965497D1
Authority
DE
Germany
Prior art keywords
inductor
signal
switching
energy
transponder
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
Application number
DE7979301035T
Other languages
English (en)
Inventor
Peter Harold Cole
Kamran Eshragian
Ashim Kumar Roy
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.)
AWA Ltd
Original Assignee
University of Adelaide
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 University of Adelaide filed Critical University of Adelaide
Application granted granted Critical
Publication of DE2965497D1 publication Critical patent/DE2965497D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • 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 trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/043—Indicating or recording train identities using inductive tags
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/22—Capacitive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/45—Transponders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Near-Field Transmission Systems (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE7979301035T 1978-06-02 1979-06-01 Object identification system Expired DE2965497D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPD459478 1978-06-02

Publications (1)

Publication Number Publication Date
DE2965497D1 true DE2965497D1 (en) 1983-07-07

Family

ID=3767594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301035T Expired DE2965497D1 (en) 1978-06-02 1979-06-01 Object identification system

Country Status (6)

Country Link
EP (1) EP0006691B1 (de)
JP (1) JPS5513896A (de)
AT (1) ATE3593T1 (de)
AU (1) AU525251B2 (de)
CA (1) CA1160720A (de)
DE (1) DE2965497D1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1068051A3 (ru) * 1980-05-19 1984-01-15 Таг Радионикс Лимитед (Фирма) Устройство дл передачи и приема сигналов
ZA829121B (en) * 1981-12-18 1983-09-28 Senelco Ltd Transmitter/responder systems
GB2112607B (en) * 1981-12-18 1986-01-02 Senelco Ltd Transmitter/responder systems
US4453162A (en) * 1982-05-10 1984-06-05 Telectronics Pty. Ltd. Efficient and fast-switching telemetry transmitter
CH661994A5 (de) * 1983-02-21 1987-08-31 Jaeger Walter Verfahren zur uebertragung von informationen und befehlen von einer bodenstelle auf ein schienenfahrzeug.
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
US4622557A (en) * 1984-10-31 1986-11-11 The United States Of America As Represented By The Secretary Of The Air Force Transdigitizer for relaying signals from global positioning system (GPS) satellites
GB2187916B (en) * 1986-02-15 1989-11-08 Shorrock Security Systems Ltd Transponder system
US4739328A (en) * 1986-07-14 1988-04-19 Amtech Corporation System for identifying particular objects
IT1213530B (it) * 1986-11-05 1989-12-20 Audemars R S A Sistema di identificazione.
FR2607264B1 (fr) * 1986-11-25 1989-05-05 Jacques Lewiner Perfectionnements aux dispositifs d'identification par proximite
US4835377A (en) * 1987-06-10 1989-05-30 Brown Richard R Programmer for identification system
SE458564B (sv) * 1987-06-22 1989-04-10 Lundgren & Nordstrand Ab Saett att oeverfoera en binaer kod samt kodbaerare foer genomfoerande av saettet
WO1989005067A1 (en) * 1987-11-18 1989-06-01 Uniscan Ltd. Transponder
EP0390822B1 (de) * 1987-12-04 1995-09-13 Magellan Corporation (Australia) Pty. Ltd. Vorrichtung und verfahren zur kennzeichnung
US5485154A (en) * 1987-12-04 1996-01-16 Magellan Corporation (Australia) Pty. Ltd. Communication device and method(s)
JPH01163689A (ja) * 1987-12-19 1989-06-27 Hirose Electric Co Ltd カード型送受信装置
DE3907519A1 (de) * 1989-03-08 1990-09-20 Texas Instruments Deutschland Schaltungsanordnung
FR2679358B1 (fr) * 1991-07-16 1994-03-18 Commissariat A Energie Atomique Systeme de communication entre un dispositif emetteur recepteur interrogateur et un dispositif emetteur recepteur repondeur.
JPH0712759U (ja) * 1993-06-29 1995-03-03 三菱樹脂株式会社 冷却塔
NL9301160A (nl) * 1993-07-02 1995-02-01 Nedap Nv Indentificatiesysteem.
US6181299B1 (en) 1993-09-03 2001-01-30 Display Edge Technology, Ltd. Power and communication system for electronic display tags
US6249263B1 (en) 1993-09-03 2001-06-19 Display Edge Technology, Ltd. Article-information display system using electronically controlled tags
US5537126A (en) * 1993-09-03 1996-07-16 Kayser Ventures, Ltd. Article-information display system using electronically controlled tags
US6271807B1 (en) 1993-09-03 2001-08-07 Display Edge Technology, Ltd. Method of initializing, controlling and updating electronic display tags and related controller therefor
DE4432324A1 (de) * 1994-09-13 1996-03-14 Vwb Elektronik Techn Gmbh Vorrichtung f}r eine Einrichtung zur drahtlosen Informationsabfrage und Verfahren zur Herstellung der Vorrichtung
US5774322A (en) * 1995-02-02 1998-06-30 Hubbell Incorporated Three wire power supply circuit
CA2219229A1 (en) 1995-04-27 1996-10-31 Jos Scheelen Interrogator for electronic identification system
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
US6560461B1 (en) 1997-08-04 2003-05-06 Mundi Fomukong Authorized location reporting paging system
WO2010062921A1 (en) 2008-11-26 2010-06-03 Kovio, Inc. Random delay generation for thin-film transistor based circuits
US20180048162A1 (en) * 2016-08-15 2018-02-15 Qualcomm Incorporated Methods and apparatus for signaling using harmonic and subharmonic modulation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299424A (en) * 1965-05-07 1967-01-17 Jorgen P Vinding Interrogator-responder identification system
US3798642A (en) * 1972-09-27 1974-03-19 Microlab Fxr Recognition system
SE384958B (sv) * 1974-07-19 1976-05-24 Philips Svenska Ab Sett for overforing av information i en transponderanleggning samt anordning for utforande av settet
US3964024A (en) * 1974-11-15 1976-06-15 Westinghouse Air Brake Company Transponder for an automatic vehicle identification system
GB1577920A (en) * 1976-11-01 1980-10-29 Nedap Nv Detection plate for identification systems

Also Published As

Publication number Publication date
EP0006691A1 (de) 1980-01-09
CA1160720A (en) 1984-01-17
ATE3593T1 (de) 1983-06-15
AU525251B2 (en) 1982-10-28
JPS6256990B2 (de) 1987-11-28
JPS5513896A (en) 1980-01-31
AU4757079A (en) 1979-12-06
EP0006691B1 (de) 1983-05-25

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: TRANSPONDER AUSTRALIA PTY. LTD., WAYVILLE, AU

8327 Change in the person/name/address of the patent owner

Owner name: AWA LTD., NORTH RYDE, NEUSUEDWALES, AU

8339 Ceased/non-payment of the annual fee