Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1990-05-18
1993-01-05
Chin, Tommy P.
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
369 32, 369 4432, 358342, 358312, 358907, G11B 2010
Patent
active
051777290
ABSTRACT:
A method of and apparatus for reading information, including error correction codes, is disclosed recording information is read out from one track a plurality of times at a reading velocity not lower than at least twice a normal velocity. On the basis of the plural pieces of information read out, the respective quantities of read errors contained in pieces of information are compared with each other so that one of the pieces of read-out information having the minimum quantity of read errors is selected. Accordingly, the selected information to be supplied to the error compensation circuit is the information having the minimum error rate in the sense of probability so that the compensated output further approaches the correct value.
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patent: 4964128 (1990-10-01), Sako et al.
patent: 5068856 (1991-11-01), Nagasawa et al.
Maeda Takanori
Muramatsu Eiji
Chin Tommy P.
Nguyen Huy
Pioneer Electronic Corporation
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