Optical recording medium, detecting data block distinguishing and marking method and optical storage unit

Application Number: 00108206
Application Date: 2000.04.28
Publication Number: 1278094
Publication Date: 2000.12.27
Priority Information: 1999/6/21 JP 173848/1999; 2000/2/29 JP 54880/2000
International: G11B7/007;G11B11/105
Applicant(s) Name: Fujitsu Ltd.
Inventor(s) Name: Nishimoto Eiki;Morimoto Yasuaki;Arai Shigeru
Patent Agency Code: 11038
Patent Agent: ma gao
Abstract An optical recording medium is provided with a substrate having a land and a groove alternately arranged in a predetermined direction, a data recording region provided on the land and the groove, and an identification mark recording region-recorded with a data block identification mark. The identification mark recording region is provided on only one of the land and the groove.