Programmable format sequencer for disk drive

Details Programmable format sequencer for disk drive Programmable format sequencer for disk drive

1981-04-24

1983-02-22

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Address coding

360 722, G11B 509, G11B 1518

Patent

active

043750699

ABSTRACT:
An improved format sequencer for use in conjunction with a disk drive is disclosed which features read-only memory means for outputting appropriate control signals to the various functional elements of the disk drive upon detection that a number of bytes equal to the number of bytes to be in a given segment of a disk track have passed by a read/write head in a given period of time. The length of each segment in bytes is stored in the read-only memory means together with appropriate control signals to be output thereby in correspondence with a particular segment being juxtaposed to the read/write head. In this way, the format of each sector of each track is controlled by the read-only memory means.

REFERENCES:
patent: 3631421 (1971-12-01), Perkins
patent: 3701130 (1972-10-01), Ault

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