Time correction recording method

Abstract

PURPOSE: To improve the reading accuracy for the recording method with a recording medium by improving the recording density of the recording medium. CONSTITUTION: When a recording medium is reproduced, the deviation of time (S 1 , S 2 , S 3 and S 4 ) are previously calculated between the peaks of reproduced waveforms (P 2 ', P 4 ', P 6 ' and P 8 ') and the peaks of recorded waveforms (P 2 , P 4 , P 6 and P 8 ). Then the recording is carried out with the delays of time (P 2 ", P 4 ", P 6 ", and P 8 ") equivalent to the calculated differences of time when the recording medium is written. Thus the desired reproduced waveform are obtained. COPYRIGHT: (C)1992,JPO&Japio

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