Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1992-10-28
1994-10-25
Pascal, Robert J.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 4427, G11B 1722
Patent
active
053596234
ABSTRACT:
A magneto-optical disc control system and method, capable of applying conventional programs directly without requiring an initialization of the whole surface of a recording medium. When a readout request of data out of the magneto-optical disc device is given from a task program via an OS, a magneto-optical disc driver outputs a readout command to the magneto-optical disc device. When returning a blank check status from the magneto-optical disc device, the magneto-optical disc driver gives a notice for representing that a normal readout is performed to the OS, sets a specific initial value for the system into a buffer designated by the task program, and writes the initial value into a readout block on the recording medium. The OS gives a notice representing that the normal readout is performed to the task program, and the task program processes the data stored in the designated buffer as the readout data of the recording medium of the magneto-optical disc device.
REFERENCES:
patent: 5249168 (1993-09-01), Kagami et al.
Neyzari Ali
Pascal Robert J.
Sanyo Electric Co,. Ltd.
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