Title:
記録媒体及び記録媒体の再生装置並びに再生方法
Document Type and Number:
Japanese Patent JP4300642
Kind Code:
B2
Abstract:
A recording medium at least having a first recording layer for recording the first infonnation and a second recording layer for recording the second information. A discriminating signal indicating the playback mode is recorded on at least one of the first and second recording layers provided on the recording medium. The discriminating signal indicates a first playback mode for respectively reproducing the first information recorded in the first recording layer and the second information recorded on the second recording layer, or a second playback mode for calculating the first information recorded in the first recording layer and the second information recorded in the second recording layer to generate playback signals. A reproducing method and apparatus for the recording medium are also provided for reproducing the recording medium.
Inventors:
Yoichiro Sako
Hiroshi Ogawa
Tatsuya Inoguchi
Hiroshi Ogawa
Tatsuya Inoguchi
Application Number:
JP23205299A
Publication Date:
July 22, 2009
Filing Date:
August 18, 1999
Export Citation:
Assignee:
ソニー株式会社
International Classes:
G11B7/005; G11B7/007; G11B7/24035; G11B7/24067; G11B7/24097; G11B19/12; G11B20/00; G11B20/10; G11B20/12; G11B7/00
Domestic Patent References:
| JP9055038A | ||||
| JP10021673A | ||||
| JP8307814A | ||||
| JP8307815A | ||||
| JP2000341578A |
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga