Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2005-07-12
2005-07-12
Dildine, R. Stephen (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S752000
Reexamination Certificate
active
06918079
ABSTRACT:
If a large minimum data unit for recorded data is used to record a small data amount of management information, the recording time is long, and furthermore when a WO (write once) is used as the recording medium, the number of recording operations which can be performed is restricted.To solve the above problems, the present invention can record data in a management area in units smaller than ordinary units for recorded data to suitably record information in a limited management area and thereby efficiently use the user data area. At that time, the present invention simplifies interleave processing usually applied to ordinary recorded data, and performs the simplified interleave processing on a data structure (for data of small size) of the present invention so as to ensure the signal processing compatibility between the ordinary data and data having the data structure according to the present invention.
REFERENCES:
patent: 6275783 (2001-08-01), Okamura
patent: 6678859 (2004-01-01), Senshu
patent: 2002/0053051 (2002-05-01), Hirayama
Hoshizawa Taku
Katayama Yukari
Kawamae Osamu
Miyamoto Harukazu
Taira Shigeki
Dildine R. Stephen
Hitachi , Ltd.
McDermott Will & Emery LLP
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