MX9800569A - Mejoras relacionadas con etiquetas o marcadores magneticos. - Google Patents

Mejoras relacionadas con etiquetas o marcadores magneticos.

Info

Publication number
MX9800569A
MX9800569A MX9800569A MX9800569A MX9800569A MX 9800569 A MX9800569 A MX 9800569A MX 9800569 A MX9800569 A MX 9800569A MX 9800569 A MX9800569 A MX 9800569A MX 9800569 A MX9800569 A MX 9800569A
Authority
MX
Mexico
Prior art keywords
tag
magnetic material
markers
improvements relating
magnetic
Prior art date
Application number
MX9800569A
Other languages
English (en)
Inventor
Andrew Nicholas Dames
Michael David Crossfield
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
Publication of MX9800569A publication Critical patent/MX9800569A/es

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

Abstract

Se describe una etiqueta magnética o un marcador magnético que puede funcionar como una etiqueta portadora de informacion de multiples bitios; la etiqueta puede ser fijada a un artículo y después usarse como un medio de identificacion de ese artículo, generalmente mientras entra o está posicionado dentro de una zona de interrogacion; la etiqueta comprende un primer material magnético caracterizado por una alta permeabilidad, baja coercitividad y una característica B-H no lineal; y un segundo material magnético que puede estar magnetizado permanentemente y que está magnetizado con un patron de campo no uniforme; también se describen sistemas de deteccion para usarse con dichas etiquetas, y un sistema de lectura/escritura que los usa.
MX9800569A 1995-07-17 1998-01-19 Mejoras relacionadas con etiquetas o marcadores magneticos. MX9800569A (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
MX9800569A true MX9800569A (es) 1998-12-31

Family

ID=26307416

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9800569A MX9800569A (es) 1995-07-17 1998-01-19 Mejoras relacionadas con etiquetas 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
CN1193388A (zh) 1998-09-16
CN1114835C (zh) 2003-07-16
US6371379B1 (en) 2002-04-16
DE69622566D1 (de) 2002-08-29
RU2183033C2 (ru) 2002-05-27
ES2180734T3 (es) 2003-02-16
DE69622566T2 (de) 2003-01-30
CA2227170A1 (en) 1997-02-06
JPH11509323A (ja) 1999-08-17
ATE221209T1 (de) 2002-08-15
EP0839330B1 (en) 2002-07-24
EP0839330A1 (en) 1998-05-06
WO1997004338A1 (en) 1997-02-06
CA2227170C (en) 2002-06-18
AU4725096A (en) 1997-02-18

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees