Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal processing for controlling recording light...
Reexamination Certificate
2011-02-08
2011-02-08
Edun, Muhammad N (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal processing for controlling recording light...
C369S059170, C369S059190, C369S059200, C369S047530, C369S047280
Reexamination Certificate
active
07885160
ABSTRACT:
There is provided an information recording and reproducing method and an apparatus for the same capable of optimizing the shift adjustment of a recording pulse recorded in an optical disk even at the time of recording information on the optical disk at a high speed. The shift adjustment value of the recording pulse optimized at a low speed recording on an optical disk is multiplied by a constant value to be taken as the optimum shift conditions of the recording pulse at the high speed recording.
REFERENCES:
patent: 7397751 (2008-07-01), Kaneshige et al.
patent: 2007/0127343 (2007-06-01), Tseng et al.
patent: 2002-170237 (2002-06-01), None
patent: 2006-012226 (2006-01-01), None
patent: 2007-018582 (2007-01-01), None
Ikeda Naohito
Shoji Toshio
Wada Yasuhiro
Watanabe Koichi
Yasukawa Takakiyo
Edun Muhammad N
Hitachi , Ltd.
Hitachi-LG Data Storage, Inc.
Townsend and Townsend / and Crew LLP
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