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US 6,307,709 B1Granted
Magnetic data storage card
AssigneeDcard, Inc.
InventorsJeffrey F. Liu, Francis K. King
Life of this patent
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Abstract
The magnetic data-storage card includes a magnetic data-storage medium layer adhering to the card. The data-storage medium layer includes a plurality of data storage tracks for storing data therein. Each of the tracks having at least an arc-segment wherein each of the data storage tracks being substantially parallel to a neighboring track.
Claims40
An magnetic data-storage card comprising:
- an magnetic data-storage media layer adhering on said card;
- and
- said data-storage media layer includes at least a data storage track comprising at least an arc-segment for storing data therein wherein said data storage track comprising a servo sector provided for identifying track locations to enhance sector seeking by a rotating single magnetic pickup head coordinated with an X-Y table moving said data-storage card driven by a stepping motor.
An magnetic data storage card comprising:
- an magnetic data-storage media layer adhering on said card;
- and
- said data-storage media layer includes a plurality of data storage tracks and each of said tracks comprising at least an arc-segment for storing data therein;
- said plurality of data storage tracks further comprising at least a first and a second parallel-data-storage-track sets with each of said data-storage tracks substantially parallel to a neighboring track in said first and said second parallel-data-storage-track sets, and said data storage tracks in said first parallel-data-storage-track set are not in parallel to said data storage tracks in said second parallel-data-storage-track set.
1 more element
Dependencies are inferred from the claim text.