Multichannel digital recording system with multi-user detection
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United States of America Patent
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Nov 30, 2004
Grant Date -
Feb 26, 2004
app pub date -
Sep 20, 2002
filing date -
Aug 26, 2002
priority date (Note) -
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Abstract
A processing scheme for digital storage media using multi-user detection to separate tracks of data or remove interference from neighboring tracks. In one embodiment, data is written on a plurality of tracks positioned sufficiently close together so that multiple tracks are detected simultaneously by the read access sensor. Upon scanning the surface for data, the read element simultaneously receives the data signals from a plurality of tracks. Joint detection signal processing resolves the interference and data bits from the multiple sensed tracks, enabling closer packing of data with minimal guard space.
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