Optical disk apparatus performing data writing test

Details Optical disk apparatus performing data writing test Optical disk apparatus performing data writing test

1995-09-01

1996-11-12

Hindi, Nabil Z.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 60, 369 84, G11B 700

Patent

active

055747086

ABSTRACT:
An optical disk apparatus in which a write cache processing is executed, comprising a writing function for writing test data to a predetermined area of the optical disk when no write data processing is provided, a checking function of reading test data to check whether the writing function is normal or abnormal, a function of performing the write cache processing in the case of the test writing being normal, and performing the ordinary writing processing in the case of the test writing being abnormal.

REFERENCES:
patent: 5121262 (1992-06-01), Squires et al.
patent: 5351227 (1994-09-01), Ichikawa
patent: 5379276 (1995-01-01), Igami et al.

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