Optical information recording/reproduciing apparatus having two-

Details Optical information recording/reproduciing apparatus having two- Optical information recording/reproduciing apparatus having two-

1994-07-29

1998-01-27

Edun, Muhammad N.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369110, 369109, 369 4411, 369 4441, 369 13, G11B 700

Patent

active

057128405

ABSTRACT:
An optical information recording/reproducing apparatus is disclosed. In the apparatus, a light beam polarized in a predetermined direction is irradiated onto an opto-magnetic recording medium to which a pre-determined magnetic field is applied. The light beam from the recording medium is condensed by the optical device and the condenced light beam is detected by the two-division detector. The two-division detector has a division line extending in a direction perpendicular to tracks on the recording medium. According to the apparatus, crosstalks and jitters can be eliminated and reproduction with high reliability can be realized.

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Kubota, "Wave Optics", Iwanami Publishing, 1971, pp. 285 and 286, with translation.

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