Magneto-optic disc apparatus with signal detector for detecting

Details Magneto-optic disc apparatus with signal detector for detecting Magneto-optic disc apparatus with signal detector for detecting

1994-08-08

1996-07-09

Neyzari, Ali

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 4435, 369 4425, G11B 1100, G11B 709

Patent

active

055351794

ABSTRACT:
In a magneto-optic disc apparatus detecting light is reflected by a recording track of a magneto-optic disc and split into a least two split beams which are received by respective sensors to detect signals recorded on said recording track. A calculator multiplies a predetermined difference signal of a plurality of detection signals outputted from one of the sensors by a predetermined coefficient. Signal detectors detect recorded signals in accordance with the predetermined difference signal which has been multiplied by the coefficient and detection signals of the sensors.

REFERENCES:
patent: 5150346 (1992-09-01), Minakuchi
patent: 5153865 (1992-10-01), Minakuchi
patent: 5189650 (1993-02-01), Watanabe et al.
patent: 5208792 (1993-05-01), Imanaka
patent: 5278401 (1994-01-01), Takishima et al.
patent: 5278811 (1994-01-01), Chao
patent: 5297114 (1994-03-01), Itoh et al.
patent: 5337300 (1994-08-01), Takishima et al.
patent: 5402404 (1995-03-01), Saito

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