Disk recording apparatus with erroneous writing protection

Details Disk recording apparatus with erroneous writing protection Disk recording apparatus with erroneous writing protection

2006-03-28

2006-03-28

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

Reexamination Certificate

active

07019929

ABSTRACT:
An information recording apparatus has a write canceling circuit that monitors interface signals fed from a host and that, when the interface signals are recognized to be abnormal, inhibits write operation against a recording medium either for a predetermined period or until a predetermined condition is fulfilled. This circuit configuration helps eliminate or reduce the occurrence of erroneous write operation as occurs when the received interface signals are abnormal.

REFERENCES:
patent: 4658307 (1987-04-01), Tsuyuguchi et al.
patent: 4809091 (1989-02-01), Miyazawa et al.
patent: 5270880 (1993-12-01), Ottesen et al.
patent: 5570244 (1996-10-01), Wiselogel
patent: 5999353 (1999-12-01), Hase et al.
patent: 6754021 (2004-06-01), Kisaka et al.

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