Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate
2006-06-27
2006-06-27
Dinh, Tan (Department: 2653)
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
C369S059250
Reexamination Certificate
active
07068587
ABSTRACT:
An optical reproducing method adds a dummy signal to at least a leading or trailing side of a recording signal recorded on an information recording medium. The duty ratio of the dummy signal is not greater than 50%, and the recording start position of the combined recording signal and dummy signal is shifted at random.
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Hirotsune Akemi
Minemura Hiroyuki
Miyamoto Harukazu
Miyauchi Yasushi
Terao Motoyasu
Dinh Tan
Hitachi Maxell Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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