Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Of record carrier
Reexamination Certificate
2006-07-04
2006-07-04
Tran, Thang V (Department: 2653)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Of record carrier
C369S059250, C369S047210
Reexamination Certificate
active
07072266
ABSTRACT:
A multisession compatible disk player including: a multisession decision portion (6) that decides whether a disk has plural sessions based on session format information recorded in a lead-in area of a first session on the disk; a disk format decision portion (10) that decides whether the disk is a read-only disk based on disk format information recorded in the lead-in area of the first session on the disk; a disk type decision portion (7) that decides the type of the disk based on the results of decision by the multisession decision portion and the disk format decision portion; and a control portion (9) that controls the playback of the disk based on the result of decision by the disk type decision portion.
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patent: 6621783 (2003-09-01), Murata
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patent: 10-233079 (1998-09-01), None
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patent: 2000-285461 (2000-10-01), None
Birch, Stewart, Kolasch and Birch LLP
Mitsubishi Denki & Kabushiki Kaisha
Tran Thang V
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