Optical disc apparatus and information recording and...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C369S094000, C369S053280, C369S044320, C369S047550

Reexamination Certificate

active

07626903

ABSTRACT:
Disclosed is an optical disc apparatus that sets a plurality of virtual zones, which correspond to a plurality of zones that are arranged in the radial direction of an optical disc, for a plurality of recording layers of the optical disc. When a servo signal distortion is detected in a virtual zone to change the rotation speed of the optical disc to a low speed in the virtual zone during an information recording or reproduction operation relative to a first recording layer, the optical disc apparatus stores the change information. When a recording or reproducing operation is to be performed in a virtual zone of a second recording layer, which is in the same disc radial position as the virtual zone of the first layer, the optical disc apparatus changes the rotation speed of the optical disc for the virtual zone to a low speed in accordance with the change information.

REFERENCES:
patent: 2009/0028028 (2009-01-01), Watanabe et al.
patent: 2000-285607 (2000-10-01), None
patent: 2002-109822 (2002-04-01), None
patent: 2002-324322 (2002-11-01), None
patent: 2002-373419 (2002-12-01), None
patent: 2004-005817 (2004-01-01), None
patent: 2004-062945 (2004-02-01), None
patent: 2005-235265 (2005-09-01), None
patent: 2005-310289 (2005-11-01), None
patent: 2005-327425 (2005-11-01), None
Office Action issued in Japanese Patent Application No. 2005-341691 on Mar. 31, 2009.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Optical disc apparatus and information recording and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical disc apparatus and information recording and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical disc apparatus and information recording and... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4089807

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.