Recording information reproducing apparatus

Dynamic information storage or retrieval – Storage medium structure – Optical track structure

Reexamination Certificate

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C369S275300

Reexamination Certificate

active

06839317

ABSTRACT:
A recording information reproducing apparatus is disclosed for performing a searching operation. The recording information reproducing apparatus according to the invention is for reproducing recording information from a recording disc on which information data has been divided and recorded into a plurality of concentric zones. The apparatus selects a suitable one of a tracking servo by a sampled servo system and a tracking servo by a continuous servo system in accordance with a zone for reading information data.

REFERENCES:
patent: 5281797 (1994-01-01), Tatsuno et al.
patent: 5430700 (1995-07-01), Kuribayashi et al.
patent: 5774439 (1998-06-01), Aoki et al.

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