BR0014969A - Dispositivo de armazenamento de dados, cartão e sistema de escrita/de leitura de cartão, método para ler um cartão com um dispositivo de leitura de cartão, dispositivo de cartão magneticamente codificado, e, método para processar sinais magnéticos usando um meio de gravação magnético - Google Patents

Dispositivo de armazenamento de dados, cartão e sistema de escrita/de leitura de cartão, método para ler um cartão com um dispositivo de leitura de cartão, dispositivo de cartão magneticamente codificado, e, método para processar sinais magnéticos usando um meio de gravação magnético

Info

Publication number
BR0014969A
BR0014969A BR0014969-1A BR0014969A BR0014969A BR 0014969 A BR0014969 A BR 0014969A BR 0014969 A BR0014969 A BR 0014969A BR 0014969 A BR0014969 A BR 0014969A
Authority
BR
Brazil
Prior art keywords
card
reading
magnetic
data storage
storage device
Prior art date
Application number
BR0014969-1A
Other languages
English (en)
Inventor
Donald C Mann
Bert D Cook Jr
William Zeissner
Robert L Parkison
Original Assignee
Ultracard 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 Ultracard Inc filed Critical Ultracard Inc
Publication of BR0014969A publication Critical patent/BR0014969A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
    • G06K19/06196—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Credit Cards Or The Like (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Paints Or Removers (AREA)

Abstract

"DISPOSITIVO DE ARMAZENAMENTO DE DADOS, CARTãO E SISTEMA DE ESCRITA/DE LEITURA DE CARTãO, MéTODO PARA LER UM CARTãO COM UM DISPOSITIVO DE LEITURA DE CARTãO, DISPOSITIVO DE CARTãO MAGNETICAMENTE CODIFICADO, E, MéTODO PARA PROCESSAR SINAIS MAGNéTICOS USANDO UM MEIO DE GRAVAçãO MAGNéTICO". Um dispositivo de armazenamento de dados para uso como um cartão portátil, cartão codificável magneticamente, cartão de crédito magnético ou similar igual é mostrado. O dispositivo de armazenamento de dados inclui um substrato que tem pelo menos uma superfície. Um material magneticamente coercitivo de alta densidade depois é disposto sobre ou é depositado sobre o substrato para armazenar sinais magnéticos. O material magneticamente coercitivo pode ter um eixo de magnetização que é orientado em uma direção predeterminada relativa à pelo menos uma superfície do substrato. Uma camada de material não magnético está disposta sobre o substrato para definir uma camada de quebra de troca. Um revestimento protetor desgastável relativamente duro é formado sobre dita camada de material magnético e é selecionado para ter uma espessura entre uma espessura máxima que atenuaria materialmente sinais magnéticos passando entre a camada de material magnético e um transdutor, e uma espessura mínima permitindo dito revestimento protetor ser desgastado através de uso em um meio-ambiente operacional de atmosfera natural ambiente para remover dele uma quantidade conhecida do revestimento protetor. O revestimento protetor pode incluir uma, duas ou mais camadas de materiais.
BR0014969-1A 1999-10-23 2000-10-19 Dispositivo de armazenamento de dados, cartão e sistema de escrita/de leitura de cartão, método para ler um cartão com um dispositivo de leitura de cartão, dispositivo de cartão magneticamente codificado, e, método para processar sinais magnéticos usando um meio de gravação magnético BR0014969A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/426,793 US7036739B1 (en) 1999-10-23 1999-10-23 Data storage device apparatus and method for using same
PCT/US2000/041444 WO2001031641A2 (en) 1999-10-23 2000-10-19 Data storage device, apparatus and method for using same

Publications (1)

Publication Number Publication Date
BR0014969A true BR0014969A (pt) 2002-06-25

Family

ID=23692231

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0014969-1A BR0014969A (pt) 1999-10-23 2000-10-19 Dispositivo de armazenamento de dados, cartão e sistema de escrita/de leitura de cartão, método para ler um cartão com um dispositivo de leitura de cartão, dispositivo de cartão magneticamente codificado, e, método para processar sinais magnéticos usando um meio de gravação magnético

Country Status (10)

Country Link
US (2) US7036739B1 (pt)
EP (1) EP1224664B1 (pt)
JP (1) JP2003513392A (pt)
CN (1) CN1402860A (pt)
AU (1) AU2300301A (pt)
BR (1) BR0014969A (pt)
CA (1) CA2388329A1 (pt)
MX (1) MXPA02004006A (pt)
RU (1) RU2002113448A (pt)
WO (1) WO2001031641A2 (pt)

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US20060038014A1 (en) 2006-02-23
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HK1046057A1 (en) 2002-12-20
WO2001031641A3 (en) 2002-01-10
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WO2001031641A2 (en) 2001-05-03
AU2300301A (en) 2001-05-08
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US7201324B2 (en) 2007-04-10
US7036739B1 (en) 2006-05-02
EP1224664A2 (en) 2002-07-24
CN1402860A (zh) 2003-03-12

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