Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1994-07-05
1995-11-14
Young, W. R.
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
369 48, 369124, 369 54, G11B 700
Patent
active
054673313
ABSTRACT:
A recording and reproducing apparatus is provided with a recording circuit to record information on a recording medium rotated and a reproducing circuit to reproduce the information from the recording medium rotated. In the mode of reproducing the information from the recording medium, the reproducing circuit retries reproduction if any error has occurred to the data reproduced. The reproducing circuit is provided with a characteristic changing circuit to change its reproduction characteristic. In the mode of reproducing information from the recording medium, the reproducing characteristic of the reproducing circuit is changed by the characteristic changing circuit if any error has occurred to the reproduced data. The reproducing circuit uses the changed reproducing characteristic to retry the reproduction.
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"For Magnetic Disks HD 153011 2-7 RLL ENDEC built-in VFO", pp. 1-3, ADE-207-018, Feb. 1989 Preliminary.
Matsunami Naoto
Mizokami Takuya
Saiki Eisaku
Hitachi , Ltd.
Young W. R.
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