Dynamic information storage or retrieval – Systems having plural physically distinct independent tracks... – Having layered storage medium
Reexamination Certificate
2009-10-13
2011-11-29
Simpson, Lixi C (Department: 2627)
Dynamic information storage or retrieval
Systems having plural physically distinct independent tracks...
Having layered storage medium
C369S013390, C369S013380, C369S013400, C369S280000
Reexamination Certificate
active
08068400
ABSTRACT:
Recordable DVD+R and DVD+R/W optical discs with two (or more) information layers are developed to double the data storage capacity and video recording time. A method and device are proposed to make dual layer DVD disc recordings compliant with the dual layer DVD-ROM standard Recording the data in a DVD-ROM compliant way on the dual layer DVD+R or DVD+R/W disc is obtained by shifting the middle zone area towards the inner radius of a disc in such a way that the data zones of both layers are filled up with data.
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Bakx Johannes Leopoldus
Koppers Wilhelmus Robert
Martens Hubert Cecile Francois
Woerlee Pierre Hermanus
Koninklijke Philips Electronics , N.V.
Simpson Lixi C
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