Magneto-optical signal reproducing apparatus in which reproduced

Details Magneto-optical signal reproducing apparatus in which reproduced Magneto-optical signal reproducing apparatus in which reproduced

1990-11-26

1993-02-23

Nguyen, Hoa

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360 59, 369116, 369110, G11B 1304, G11B 1112, G11B 1110

Patent

active

051896508

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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patent: 4833622 (1989-05-01), Yoda
patent: 4858218 (1989-08-01), Takagi et al.
patent: 4961182 (1990-10-01), Saito et al.

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