Magneto-optical signal reproducing apparatus in which reproduced magneto-optical signal level is compared with reference signal level varied in accordance with in-phase signal
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United States of America Patent
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Feb 23, 1993
Grant Date -
N/A
app pub date -
Nov 26, 1990
filing date -
Nov 29, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a magneto-optical signal reproducing apparatus for reading out a signal recorded on a magneto-optical recording medium by an optical pickup device so as to provide a magneto-optical signal which, in turn, is level-discriminated on the basis of a reference level to reproduce data therefrom, the reference level is controlled in accordance with a level of an in-phase signal component provided from the optical pickup device, thereby enabling stable data reproduction.
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