Optical disk device and equalizer adjustment method
AssigneeFunai Electric Co., Ltd.
InventorFutoshi TAKEDA
Life of this patent
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Abstract
An optical disk device includes an optical pickup that directs light beams onto a recording surface of an optical disk and receives reflected light, a signal generating unit that generates playback signals based on reflected light received by the optical pickup, an equalizer adjustment unit that performs equalizer adjustment of the playback signals, and an adjustment control unit. The adjustment control unit controls the equalizer adjustment unit so as to perform equalizer adjustment of the playback signals according to the playback signals based on reflected light from a management information area on a recording surface of the optical disk, the management information area including predetermined management information recorded thereon.
Claims8
(canceled)
An optical disk device comprising:
- an optical pickup arranged to direct light beams onto a recording surface of an optical disk and receive reflected light;
- a signal generating unit arranged to generate playback signals based on received reflected light;
- an equalizer adjustment unit arranged to perform equalizer adjustment of the playback signals;
- and
- an adjustment control unit arranged and programmed to control the equalizer adjustment unit so as to perform the equalizer adjustment according to the playback signals based on the reflected light from a management information area of the recording surface of the optical disk, the management information area including predetermined management information recorded thereon.
An equalizer adjustment method comprising the steps of:
- directing light beams onto a recording surface of an optical disk and receiving reflected light;
- generating playback signals based on received reflected light;
- and
- performing equalizer adjustment of the playback signals according to the playback signals based on the reflected light from a management information area of the recording surface of the optical disk, the management information area including predetermined management information recorded thereon.
Dependencies are inferred from the claim text.