Optical disc apparatus

Details Optical disc apparatus Optical disc apparatus

2011-05-03

2011-05-03

Tran, Thang V (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S053310

Reexamination Certificate

active

07936652

ABSTRACT:
For achieving an improvement on recording/reproducing quality of information, with enabling more adequate tilt adjustment, even for an optical disc to be used under a circumstance having a large temperature change, an optical disc apparatus for conducting recording or reproducing of video information onto/from the optical disc2, through buffers17and18, while conducting a tilt adjustment through a learning of a tilt amount, comprises a temperature sensor4for detecting temperature within an optical pickup1, wherein a control unit determines whether a relearning of the tilt amount of the optical pickup, upon basis of a change of temperature detected, a movement amount of the optical pickup between the time when a previous learning is done and the time when a present learning is done, and a remaining memory capacity of the buffers.

REFERENCES:
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patent: 6587409 (2003-07-01), Yamazaki et al.
patent: 6690632 (2004-02-01), Sato et al.
patent: 2004/0085868 (2004-05-01), Ohno et al.
patent: 2005/0162998 (2005-07-01), Iwasaki et al.
patent: 2008/0205233 (2008-08-01), Chin
patent: 2005-071479 (2005-03-01), None
patent: 2007-251977 (2005-03-01), None

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