Invention Grant
- Patent Title: Information recording medium, information reproducing apparatus, management information reproducing method, information recording/reproducing apparatus and identification information reproducing/recording method
- Patent Title (中): 信息记录介质，信息再现装置，管理信息再现方法，信息记录/再现装置和识别信息再现/记录方法
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Application No.: US14201330Application Date: 2014-03-07
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Publication No.: US09087523B2Publication Date: 2015-07-21
- Inventor: Akihito Ogawa , Kazuo Watabe , Hideaki Okano , Takashi Usui , Hidefumi Takamine , Kazuaki Doi , Masahiro Saito
- Applicant: Kabushiki Kaisha Toshiba
- Applicant Address: JP Minato-ku
- Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee Address: JP Minato-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: G11B7/24038
- IPC: G11B7/24038 ; G11B7/007 ; G11B7/24094 ; G11B7/2405
Abstract:
According to one embodiment, in an information recording medium including a plurality of data layers, at least one pre-format area is provided on each of the data layers and is circumferentially divided into a plurality of segments. Management information including data layer identification information for identifying the data layers is recorded in at least one of the segments in each of the data layers, using the marks include BCA marks extending radially uniformly. On adjacent ones of the data layers, the BCA marks associated with the management information are recorded in differently positioned segments which are not opposed to each other.
Public/Granted literature
Information query
IPC分类:
