AU2692995A - Reader having ferromagnetic core field coil - Google Patents

Reader having ferromagnetic core field coil

Info

Publication number
AU2692995A
AU2692995A AU26929/95A AU2692995A AU2692995A AU 2692995 A AU2692995 A AU 2692995A AU 26929/95 A AU26929/95 A AU 26929/95A AU 2692995 A AU2692995 A AU 2692995A AU 2692995 A AU2692995 A AU 2692995A
Authority
AU
Australia
Prior art keywords
reader
field coil
ferromagnetic core
core field
ferromagnetic
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
AU26929/95A
Inventor
Michael L. Beigel
Steven R. Frank
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.)
Avid Marketing Inc
Original Assignee
Avid Marketing 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 Avid Marketing Inc filed Critical Avid Marketing Inc
Publication of AU2692995A publication Critical patent/AU2692995A/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
    • G06K7/10346—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 far field type, e.g. HF types or dipoles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Near-Field Transmission Systems (AREA)
AU26929/95A 1994-05-27 1995-05-26 Reader having ferromagnetic core field coil Abandoned AU2692995A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US250209 1988-09-28
US25020994A 1994-05-27 1994-05-27
PCT/US1995/006777 WO1995033344A1 (en) 1994-05-27 1995-05-26 Reader having ferromagnetic core field coil

Publications (1)

Publication Number Publication Date
AU2692995A true AU2692995A (en) 1995-12-21

Family

ID=22946764

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26929/95A Abandoned AU2692995A (en) 1994-05-27 1995-05-26 Reader having ferromagnetic core field coil

Country Status (2)

Country Link
AU (1) AU2692995A (en)
WO (1) WO1995033344A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITAR20000040A1 (en) 2000-09-08 2002-03-08 Alessandro Manneschi TRANSPONDER READER TRANSDUCER FOR PASSAGE CONTROL

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333072A (en) * 1979-08-06 1982-06-01 International Identification Incorporated Identification device
US5084699A (en) * 1989-05-26 1992-01-28 Trovan Limited Impedance matching coil assembly for an inductively coupled transponder

Also Published As

Publication number Publication date
WO1995033344A1 (en) 1995-12-07

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