Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information
Reexamination Certificate
2006-04-04
2006-04-04
Hindi, Nabil (Department: 2655)
Dynamic information storage or retrieval
Binary pulse train information signal
Format arrangement processing for auxiliary information
Reexamination Certificate
active
07023784
ABSTRACT:
An encoding method for recording gap regions or sectors having repeated data is disclosed. At least one sector is entirely encoded and stored in a memory buffer of the optical recording system. If the currently encoded are gap regions or sector having repeated data embedded in the fields of user data, only those portions affected by the modified header will be encoded to derive associated P code and Q code. The error detection code is firstly generated in the mode 1 standard when a gap region is encoded. P code is then encoded for those regions affected by the sequentially modified header and error detection code, while associated Q code is then derived according the modified header, error detection code, and P code. In the mode 2 form 1 and mode form 2 standards, only those regions affected by the sequentially modified header should be re-encoded again. Since the remaining portions employ the same data as the last encoded one in the memory buffer so that the encoding performance would be significantly upgraded whatever encoding standards are employed.
REFERENCES:
patent: 6269059 (2001-07-01), Kuroda et al.
Chang Wen-Jeng
Lin Kun-Long
Birch Stewart Kolasch & Birch,LLP
Hindi Nabil
Via Technologies Inc.
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