Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2006-06-13
2006-06-13
Hindi, Nabil (Department: 2655)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
C369S047530, C369S047320
Reexamination Certificate
active
07061841
ABSTRACT:
An optical disc recording/reproducing apparatus and a data recording method for use with such apparatus are disclosed, wherein data can be recorded on an optical disc with safety and reliably by using the so-called overburn-based recording technique. The apparatus includes an optical disc drive (1) and a optical disc drive control unit (20) for causing various instructions to be delivered to the disc drive and for causing the state information to be obtained from the disc drive, under control of the control unit (20), wherein the control unit (20) includes functional components that may be operated under control of the control unit (20), such as a memory unit (12) for storing the nominal recordable last position retrieved from the optical disc, a command issuing unit (10) for delivering trial writing instructions or commands to the disc drive, a result code obtaining unit (11) for obtaining the error information from the disc drive that indicates whether any error occurs when a particular trial writing instruction or command is performed on the disc drive, and a recordable last position setting unit (15) for determining an end burst position based on the error information and the recording position information and setting a recordable last position between the end burst position and the nominal recordable last position. The present invention allows for the use of the overburn-based recording technique that provides an additional recording time that is sufficient to permit data to be recorded with safety and reliably, regardless of any variances that exist between individual optical discs.
REFERENCES:
patent: 6115350 (2000-09-01), Furuta et al.
patent: 11-296980 (1999-10-01), None
patent: 2000-105969 (2000-04-01), None
patent: 2002-92804 (2002-03-01), None
patent: 2002-230899 (2002-08-01), None
patent: 2002-260240 (2002-09-01), None
Chiba Katsuhito
Kato Tetsuya
Anderson Kill & Olick PC
Hindi Nabil
Teac Corporation
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