G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/24 (2006.01) G11B 7/0045 (2006.01) G11B 7/005 (2006.01) G11B 7/007 (2006.01) G11B 7/26 (2006.01)
Patent
CA 2499697
An optical recording medium is disclosed that allows information to be recorded and played back properly, even when a type of recording medium in which information is recorded to grooves is used along with a type of recording medium in which information is recorded to lands, as well as a method for recording and playback with this medium. Recording track information is recorded in advance, indicating whether information is to be recorded in the grooves or the lands, whichever of the grooves and lands is best suited to the recording of information is selected on the basis of the recording track information that is read out, and the recording or playback of information is performed.
Abe Shinya
Akiyama Tetsuya
Ishida Takashi
Miyagawa Naoyasu
Matsushita Electric Industrial Co. Ltd.
Osler Hoskin & Harcourt Llp
Panasonic Corporation
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