Storage system using electromagnetic array
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United States of America Patent
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N/A
Issued Date -
Mar 8, 2007
app pub date -
Sep 12, 2003
filing date -
Oct 3, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A record carrier (40) of a removable type has an information plane of a layer of magnetic material on a substrate constituting an array of bit locations (11). A magnetic state of the material represents the value of each bit location. A storage device (35) has an interface surface (32) for cooperating with the information plane. The interface surface has an array (31) of electro-magnetic elements that are sensitive to said magnetic state of the electro-magnetic material. The record carrier and device have alignment elements (38, 41) for positioning the bit locations near the electro-magnetic elements within a near-field working distance between a bit location and the corresponding electro-magnetic element when the record carrier is mounted in the device.
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