Methods and apparatus for increased magnetic coding density by precise placement of magnetic transitions

Details for Australian Patent Application No. 2001259181 (hide)

Owner XTec, Incorporated

Inventors Negrin, Ismael E.; Bormey, Carlos D.; Fernandez, Alberto J.

Agent LESICAR PERRIN

Pub. Number AU-B-2001259181

PCT Pub. Number WO01/84543

Priority 09/562,989 01.05.00 US

Filing date 26 April 2001

Wipo publication date 12 November 2001

Acceptance publication date 26 August 2004

International Classifications

G06K 007/08 Methods or arrangements for sensing record carriers - by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes

G11B 025/04 Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing - using flat record carriers, e.g. disc, card

G06K 019/06 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

G11B 005/09 Recording by magnetisation or demagnetisation of a record carrier - Digital recording

Event Publications

26 August 2004 Application Accepted

  Published as AU-B-2001259181

23 December 2004 Standard Patent Sealed

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