AU1189500A - System for detecting and optionally communicating with transponders such as antitheft transponders and identification transponders - Google Patents

System for detecting and optionally communicating with transponders such as antitheft transponders and identification transponders

Info

Publication number
AU1189500A
AU1189500A AU11895/00A AU1189500A AU1189500A AU 1189500 A AU1189500 A AU 1189500A AU 11895/00 A AU11895/00 A AU 11895/00A AU 1189500 A AU1189500 A AU 1189500A AU 1189500 A AU1189500 A AU 1189500A
Authority
AU
Australia
Prior art keywords
transponders
antitheft
detecting
identification
optionally communicating
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.)
Abandoned
Application number
AU11895/00A
Inventor
Tallienco Wieand Harm Fockens
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.)
Nederlandsche Apparatenfabriek NEDAP NV
Original Assignee
Nederlandsche Apparatenfabriek NEDAP NV
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 Nederlandsche Apparatenfabriek NEDAP NV filed Critical Nederlandsche Apparatenfabriek NEDAP NV
Publication of AU1189500A publication Critical patent/AU1189500A/en
Abandoned 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
    • G06K7/10316—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 using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336—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 using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Aerials (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
AU11895/00A 1998-11-03 1999-11-03 System for detecting and optionally communicating with transponders such as antitheft transponders and identification transponders Abandoned AU1189500A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1010457A NL1010457C2 (en) 1998-11-03 1998-11-03 Large loop antennas.
NL1010457 1998-11-03
PCT/NL1999/000675 WO2000026989A1 (en) 1998-11-03 1999-11-03 System for detecting and optionally communicating with transponders such as antitheft transponders and identification transponders

Publications (1)

Publication Number Publication Date
AU1189500A true AU1189500A (en) 2000-05-22

Family

ID=19768071

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11895/00A Abandoned AU1189500A (en) 1998-11-03 1999-11-03 System for detecting and optionally communicating with transponders such as antitheft transponders and identification transponders

Country Status (3)

Country Link
AU (1) AU1189500A (en)
NL (1) NL1010457C2 (en)
WO (1) WO2000026989A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6570541B2 (en) 1998-05-18 2003-05-27 Db Tag, Inc. Systems and methods for wirelessly projecting power using multiple in-phase current loops
US6359594B1 (en) 1999-12-01 2002-03-19 Logitech Europe S.A. Loop antenna parasitics reduction technique
US6960984B1 (en) 1999-12-08 2005-11-01 University Of North Carolina Methods and systems for reactively compensating magnetic current loops
FR2832272B1 (en) 2001-11-09 2004-09-24 Commissariat Energie Atomique PASSIVE DEVICE FOR INCREASING TRANSMISSION EFFICIENCY OF RADIO FREQUENCY SYSTEMS
US6970141B2 (en) * 2003-07-02 2005-11-29 Sensormatic Electronics Corporation Phase compensated field-cancelling nested loop antenna
JP2005165703A (en) * 2003-12-03 2005-06-23 Hitachi Ltd Non-contact identification medium
CN108417972A (en) * 2018-04-02 2018-08-17 广东电网有限责任公司 A wavy resonant antenna for transmission line abnormal discharge detects

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3704180C2 (en) * 1987-02-11 1995-07-27 Daimler Benz Aerospace Ag Antenna arrangement for the emission of infrared long waves
JPS63269605A (en) * 1987-04-27 1988-11-07 Yokogawa Medical Syst Ltd One-turn loop resonance circuit
WO1992017866A1 (en) * 1991-04-03 1992-10-15 Integrated Silicon Design Pty. Ltd. Article sorting system
WO1993023909A1 (en) * 1992-05-10 1993-11-25 Auckland Uniservices Limited A primary inductive pathway
DE4218635C2 (en) * 1992-06-05 1996-05-23 Siemens Ag Radio-frequency receiving antenna of a device for magnetic resonance imaging with at least one capacitor
NL9202158A (en) * 1992-12-14 1994-07-01 Nedap Nv Identification system based on the transmission method
AU691111B2 (en) * 1995-06-21 1998-05-07 Google Technology Holdings LLC Method and antenna for providing an omnidirectional pattern
US5812095A (en) * 1995-10-06 1998-09-22 Ford Motor Company Mounting structure for combined automotive trim accessory and antenna

Also Published As

Publication number Publication date
NL1010457C2 (en) 2000-05-04
WO2000026989A1 (en) 2000-05-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase