Floppy disk controller allowed to detect status change of floppy

Details Floppy disk controller allowed to detect status change of floppy Floppy disk controller allowed to detect status change of floppy

1994-09-15

1996-07-23

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 75, G11B 1518, G11B 2102

Patent

active

055395902

ABSTRACT:
A floppy disk controller enters into a standby mode to reduce electric power consumption, and includes a standby controller which causes a floppy disk driver unit to report a status change to a recovery controller during the standby mode to recover the floppy disk controller to an active mode, thereby indicating the correct status of the floppy disk driver unit at all times.

REFERENCES:
patent: 4479154 (1984-10-01), Muramatsu
patent: 4635145 (1987-01-01), Horie et al.
patent: 4742448 (1988-05-01), Sander et al.
patent: 4933785 (1990-06-01), Morehouse et al.
patent: 5204788 (1993-04-01), Kasagi et al.
patent: 5301293 (1994-04-01), Kano
patent: 5345347 (1994-09-01), Hopkins et al.
patent: 5402200 (1995-03-01), Shrinkle et al.
patent: 5473589 (1995-12-01), Horie

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