Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1992-05-04
1994-04-12
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 7303, 360 70, G11B 1546, G11B 2104
Patent
active
053030974
ABSTRACT:
In a multi-disk system, index equivalent signals from a plurality of disk units are identified, and an average phase value of each disk unit is calculated from the identified signals so that each disk unit can synchronize its rotation phase according to the result of calculation and the index signal thereof in order to eliminate the need for a master index for the synchronization of rotation speed and rotation phase.
REFERENCES:
patent: 4870643 (1989-09-01), Bultman et al.
patent: 4890045 (1989-12-01), Ishizuka
patent: 5159503 (1992-10-01), Mitamura et al.
Baba Hiroshi
Matsumoto Toshio
Mitsubishi Denki & Kabushiki Kaisha
Psitos Aristotelis M.
Sheladia Varsha V.
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