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Patent Searching and Data


Title:
OPTICAL DISK PLAYER
Document Type and Number:
Japanese Patent JP2006268926
Kind Code:
A
Abstract:

To provide an optical disk player capable of carrying out CAV control without using an FG pulse signal.

This player is equipped with an optical pickup for reading the recorded information of the optical disk, an FE generation section for generating a focus error signal from the output of the optical pickup, a periodical component extracting section for extracting a present rotational period of the optical disk from the focus error signal, and a CAV control section for rotationally controlling the optical disk at a constant angular velocity on the basis of the present rotational period and a predetermined target rotational period.


Inventors:
MORIMOTO KEI
KIKUCHI ATSUSHI
Application Number:
JP2005082695A
Publication Date:
October 05, 2006
Filing Date:
March 22, 2005
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G11B19/28; G11B7/095
Attorney, Agent or Firm:
Kenichi Hayase