Method and apparatus for determining track position of a head on

Details Method and apparatus for determining track position of a head on Method and apparatus for determining track position of a head on

1989-04-12

1992-09-08

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7804, 369 32, G11B 555, G11B 2108

Patent

active

051463741

ABSTRACT:
An access controller for a recording medium, said recording medium including a plurality of track blocks, each of which includes a plurality of tracks, including a generating section including a head, for reading out servo patterns recorded on the recording medium, and for generating servo data from the readout servo patterns, the servo patterns being associated with the tracks, a storage section for storing previous position data and movement amount data, the previous block-in position data representing a previous track position of said head in a current track block of the track blocks, and the movement amount data representing a number of tracks between the previous track position and a track position previous to the previous track position, and a determination section for selectively determining in accordance with the servo data current block-in position data from at least one of the servo data generated by the generating section and the previous block-in position data and the movement amount data stored in the storage section.

REFERENCES:
patent: 3838457 (1974-09-01), Palmer
patent: 4499511 (1985-02-01), Sugaya
patent: 4631606 (1986-12-01), Sugaya
patent: 4736352 (1988-04-01), Satoh et al.
patent: 4774699 (1988-09-01), Giddings
patent: 4847708 (1989-07-01), Furuyama

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