Track searching method for an optical disk and driving device

Details Track searching method for an optical disk and driving device Track searching method for an optical disk and driving device

1995-01-23

1996-12-10

Neyzari, Ali

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 48, 369 59, G11B 1722

Patent

active

055838359

ABSTRACT:
In a track searching method for an optical disk drive such as CD-ROM and the like, when a search object time is given from a host computer, the number of tracks is which a difference between a present time, included in a discriminating information of track on which an optical pick-up is located, and the given searching object time is determined. In accordance with the detected number of tracks, an optical pick-up jumps. After, the number of tracks corresponding to a difference between a time included in a discriminating information of track and the above-mentioned searching object time is detected. Then, the ratio of the number of tracks to be jumped to the detected number of tracks of the difference is calculated. The ratio is accumulated in each track searching operation and its mean value is calculated. The mean value is used as revising coefficient on and after the second track searching.

REFERENCES:
patent: 5420839 (1995-05-01), Tateishi

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