Method for formatting a disc, method for reading and writing on a disc thus formatted, disc drive with a disc thus formatted and disc thus formatted

A method and apparatus for increasing the amount of data capable of being stored in a magnetic storage device is disclosed. Basically, a magnetic characteristic of the disk to head interface is measured at several locations on the disk. The frequency for writing and reading the data is optimised in...

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Bibliographic Details
Main Authors BREMMER, ROBERT ALAN, KOVNER, VLADIMIR, STONE, DENNIS CARL
Format Patent
LanguageEnglish
French
German
Published 24.08.1988
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:A method and apparatus for increasing the amount of data capable of being stored in a magnetic storage device is disclosed. Basically, a magnetic characteristic of the disk to head interface is measured at several locations on the disk. The frequency for writing and reading the data is optimised in terms of the required resolution and the magnetic measurement. The read and write modes are then varied, based upon the optimised frequency, such that data is written on the disk at a frequency substantially equal to the optimised frequency and read from the disk at the optimised frequency.
Bibliography:Application Number: EP19880300731