Identification field scan apparatus

Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching

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Details

360135, G11B 5012

Patent

active

045048738

ABSTRACT:
A multiple transducer disk file format and head addressing/switching control circuitry is shown and described which permits reading all sector identifier (ID) fields during a single rotation of the media using uniformly staggered sectors. This results in an average access latency of one-half revolution of the media and enables the use of maximum or selectively reduced data rates secured by successively storing data in sectors separated by sector fractions which are multiples of the uniform staggering between sectors within a cylinder.

REFERENCES:
patent: 4016603 (1977-04-01), Ottesen
patent: 4163265 (1979-07-01), van Herk et al.

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