Optical disc apparatus accessing method and system therefor

Details Optical disc apparatus accessing method and system therefor Optical disc apparatus accessing method and system therefor

1999-09-13

2000-08-22

Tran, Thang V.

Dynamic information storage or retrieval

Systems having plural physically distinct independent tracks...

Having layered storage medium

369 4428, 369 58, G11B 700

Patent

active

061082910

ABSTRACT:
There are provided a plurality of information recording surfaces to be reproduced on one side of an optical disc to be reproduced, and when accessing control of an optical pickup over a plurality of recording layers is performed, first, a beam focal point of the optical pickup is moved using a moving device to the recording layer on which target information is recorded to thereby perform switching processing of information recording layers during reproduction, after which accessing control of the optical pickup is performed using control processing circuit similar to the access between the same recording layers, and with respect to the pausing operation, in a layer in which information is recorded from the inner circumference to the outer circumference, one track jumping is repeated toward the inner circumference, while in a layer in which information is recorded from the outer circumference to the inner circumference, one track jumping is repeated toward the outer circumference.

REFERENCES:
patent: 5255262 (1993-10-01), Best et al.
patent: 5428597 (1995-06-01), Satoh et al.
patent: 5608715 (1997-03-01), Yokogawa et al.
patent: 5881032 (1999-03-01), Ito et al.

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