Method and apparatus for recording data without recording on...

Details Method and apparatus for recording data without recording on... Method and apparatus for recording data without recording on...

G - Physics

11

B

352/16, 354/241

G11B 5/02 (2006.01) G11B 17/00 (2006.01) G11B 20/18 (2006.01) G11B 27/10 (2006.01) G11B 27/36 (2006.01)

Patent

CA 1134503

Abstract of the Disclosure A method of transferring data between a data supply and a disk having a track divided into sectors, each sector having an address recording area followed by a data recording area. The method includes detecting a defective area on a data recording area; writing an address of the defective area on the corresponding address recording area; recording data on the data recording area by detecting the defective area with the address and writing part of the data on the data recording area up to the defective area, and writing the remaining data on the data recording area succeeding the defective area; and retrieving the written data by reading the address of the defective area and then reading the recorded data. The apparatus includes a circuit to record a test pattern on the disk, a circuit to sense the recorded test pattern and provide an address of a defective area, a circuit to write the address on the address recording area, a circuit to write data on the disk, and a circuit to read the recorded area.

323428

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