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Title:
INFORMATION RECORDING MEDIUM, DEVICE AND METHOD FOR RECORDING INFORMATION, AND DEVICE FOR REPRODUCING INFORMATION
Document Type and Number:
Japanese Patent JP2007122876
Kind Code:
A
Abstract:

To provide a pre-information recording device capable of improving accuracy of rotation control of a DVD-R having pre-information recorded therein by wobbling, the DVD-R having pre-information recorded therein, and an information recording device.

In a groove track 2, the first half of the groove track 2 corresponding to one sync frame (EVEN frame or ODD frame) is wobbled by a fixed wobbling frequency f0, and the latter half of the groove track 2 is wobbled by a wobbling frequency f1 or f2 corresponding to pre-information to be recorded, and the pre-information is recorded. During recording of recording information, a wobbling frequency f0 is detected for each sync frame, and rotation control is executed for the DVD-R, based on this detected frequency.


Inventors:
KURODA KAZUO
SUZUKI TOSHIO
Application Number:
JP2007035835A
Publication Date:
May 17, 2007
Filing Date:
February 16, 2007
Export Citation:
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Assignee:
PIONEER ELECTRONIC CORP
International Classes:
G11B7/007; G11B7/0045; G11B7/005
Attorney, Agent or Firm:
Yasuo Ishikawa