Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data in specific format
Patent
1982-08-05
1985-01-15
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Data in specific format
360 49, G11B 509
Patent
active
044941579
ABSTRACT:
An information readout apparatus reduces an effective wait time and shortens access time when information recorded on a magnetic disc is read out by effectively utilizing a wait time of a disc rotation. When a sector on the magnetic disc on which a magnetic head is currently positioned is between a start address and an end address, information behind the current sector is buffered and the sequence of the buffered information is rearranged as required and read out so that overlapped readout of the previously read information from the magnetic disc is prevented to shorten the access time. The current sector address is compared with the start address and the end address to process the information.
REFERENCES:
patent: 3208057 (1965-09-01), Applequist et al.
patent: 3546686 (1970-12-01), McPherson et al.
patent: 3797037 (1974-03-01), Kolpek
Hara Teruya
Ina Kenzo
Canney Vincent P.
Canon Kabushiki Kaisha
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