Information recording and/or reproducing method and apparatus in

Details Information recording and/or reproducing method and apparatus in Information recording and/or reproducing method and apparatus in

1994-12-13

1998-10-20

Tran, Thang V.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4429, 369 4434, G11B 700

Patent

active

058257292

ABSTRACT:
An information recording and/or reproducing apparatus for recording data onto and/or reproducing data from a recording medium such as a magnetic disk, a magnetooptic disk, or the like by irradiating a laser beam emitted from a light source such as a semiconductor laser onto a desired track of the recording medium through an optical system, wherein the apparatus includes a single processor for executing an input/output control of data for the apparatus and a servo process of the laser beam by interrupting the servo process between the input/output control at every predetermined period. The processor switches a precision of the servo process in accordance with a predetermined situation such as a change in operating mode.

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patent: 5436877 (1995-07-01), Ohshima
patent: 5491677 (1996-02-01), Sasaki
patent: 5570330 (1996-10-01), Okawa

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