ES2180734T3 - Mejoras relativas a elementos de identificacion o marcadores magneticos. - Google Patents

Mejoras relativas a elementos de identificacion o marcadores magneticos.

Info

Publication number
ES2180734T3
ES2180734T3 ES96903099T ES96903099T ES2180734T3 ES 2180734 T3 ES2180734 T3 ES 2180734T3 ES 96903099 T ES96903099 T ES 96903099T ES 96903099 T ES96903099 T ES 96903099T ES 2180734 T3 ES2180734 T3 ES 2180734T3
Authority
ES
Spain
Prior art keywords
tag
magnetic material
identification elements
magnetic markers
improvements related
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 - Lifetime
Application number
ES96903099T
Other languages
English (en)
Inventor
Andrew Nicholas Dames
Michael David Crossfield
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.)
Flying Null Ltd
Original Assignee
Flying Null Ltd
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
Priority claimed from GBGB9514581.9A external-priority patent/GB9514581D0/en
Priority claimed from GBGB9521442.5A external-priority patent/GB9521442D0/en
Application filed by Flying Null Ltd filed Critical Flying Null Ltd
Application granted granted Critical
Publication of ES2180734T3 publication Critical patent/ES2180734T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00804—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

SE DESCRIBE UN IDENTIFICADOR O MARCADOR MAGNETICO QUE ES CAPAZ DE FUNCIONAR COMO IDENTIFICADOR PORTADOR DE INFORMACION MULTIBIT. EL IDENTIFICADOR PUEDE UNIRSE A UN ARTICULO Y SER UTILIZADO, POSTERIORMENTE, COMO MEDIO DE IDENTIFICAR DICHO ARTICULO, GENERALMENTE CUANDO ESTA O SE SITUA DENTRO DE UNA ZONA DE INTERROGACION. EL IDENTIFICADOR COMPRENDE (A) UN MATERIAL MAGNETICO CARACTERIZADO POR UNA ALTA PERMEABILIDAD, UNA BAJA COERCITIVIDAD Y UNA CARACTERISTICA B-H NO LINEAL; Y (B) UN SEGUNDO MATERIAL MAGNETICO CAPAZ DE SER MAGNETIZADO PERMANENTEMENTE, ESTANDO MAGNETIZADO EL SEGUNDO MATERIAL MAGNETICO CON UN PATRON DE CAMPO NO UNIFORME (A, B, C). TAMBIEN SE DESARROLLAN SISTEMAS DE DETECCION QUE UTILIZAN ESTOS IDENTIFICADORES Y UN SISTEMA DE LECTURA/ESCRITURA QUE LOS UTILIZA.
ES96903099T 1995-07-17 1996-02-16 Mejoras relativas a elementos de identificacion o marcadores magneticos. Expired - Lifetime ES2180734T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9514581.9A GB9514581D0 (en) 1995-07-17 1995-07-17 Multi-bit coded magnetic marker tag
GBGB9521442.5A GB9521442D0 (en) 1995-10-19 1995-10-19 Coded marker tag

Publications (1)

Publication Number Publication Date
ES2180734T3 true ES2180734T3 (es) 2003-02-16

Family

ID=26307416

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96903099T Expired - Lifetime ES2180734T3 (es) 1995-07-17 1996-02-16 Mejoras relativas a elementos de identificacion o marcadores magneticos.

Country Status (12)

Country Link
US (1) US6371379B1 (es)
EP (1) EP0839330B1 (es)
JP (1) JPH11509323A (es)
CN (1) CN1114835C (es)
AT (1) ATE221209T1 (es)
AU (1) AU4725096A (es)
CA (1) CA2227170C (es)
DE (1) DE69622566T2 (es)
ES (1) ES2180734T3 (es)
MX (1) MX9800569A (es)
RU (1) RU2183033C2 (es)
WO (1) WO1997004338A1 (es)

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Also Published As

Publication number Publication date
AU4725096A (en) 1997-02-18
CN1193388A (zh) 1998-09-16
CA2227170A1 (en) 1997-02-06
MX9800569A (es) 1998-12-31
US6371379B1 (en) 2002-04-16
RU2183033C2 (ru) 2002-05-27
ATE221209T1 (de) 2002-08-15
EP0839330B1 (en) 2002-07-24
EP0839330A1 (en) 1998-05-06
DE69622566D1 (de) 2002-08-29
JPH11509323A (ja) 1999-08-17
WO1997004338A1 (en) 1997-02-06
DE69622566T2 (de) 2003-01-30
CA2227170C (en) 2002-06-18
CN1114835C (zh) 2003-07-16

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