Method and apparatus for recording information on

专利名称：Method and apparatus for recording

information on optical disc

发明人：Yasuhiko Teranishi,Kenki Yoshihara申请号：US12461935申请日：20090828公开号：US07839745B2公开日：20101123

专利附图：

摘要：An optical disc of a recordable type or a rewritable type has a plurality ofrecording layers including first and second recording layers. A laser beam is applied tothe second recording layer through a used area in the first recording layer to record

arbitrary information on at least a part of the second recording layer. The used area inthe first recording layer has been used for at least one of information recording and datarecording. Positional information is generated. The generated positional information is ofa blank area in the second recording layer which occurs due to the presence of an unusedarea in the first recording layer. The blank area adjoins the unused area. The generatedpositional information is recorded on a predetermined area in the optical disc.

申请人：Yasuhiko Teranishi,Kenki Yoshihara

地址：Yokohama JP,Tokyo-to JP

国籍：JP,JP

代理人：Louis Woo

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