Magnetic recording system having spiral tracks

Details Magnetic recording system having spiral tracks Magnetic recording system having spiral tracks

1995-05-05

1996-12-10

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7804, G11B 5596

Patent

active

055837123

ABSTRACT:
A magnetic recording device for recording data onto a magnetic disk in the form of a spiral track. A spindle motor rotates the disk about a pivot point. A transducer writes the data onto the disk as a digital bit stream. The transducer is positioned radially over the disk by a servomechanism. As the servomechanism positions the transducer radially across the spinning disk relative to the rotation of the disk, a spiral track is described upon the disk. A dedicated or an embedded servo system can be utilized with the spiral data track. Furthermore, the servo tracks can take the form of either concentric circles or a spiral. By recording data as a spiral rather than as concentric circles, cumulative seek time delays are minimized.

REFERENCES:
patent: 4107746 (1978-08-01), Conway
patent: 4636885 (1987-01-01), Yamada et al.
patent: 4873679 (1989-10-01), Murai et al.
patent: 5111345 (1992-05-01), Muller
patent: 5223993 (1993-06-01), Squires et al.
patent: 5293565 (1994-03-01), Jaquette et al.
patent: 5296995 (1994-03-01), Yonezawa et al.

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