Optical recording method
AssigneePioneer Electronic Corporation
InventorRyuichiro Yoshimura
Life of this patent
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Abstract
A CD write-once disk has a program area in which programs are written, and a PMA in which a table of contents of the information written in the program area is written, and a pregroove for representing an absolute time on the disk. An unrecorded disk mounted on a turn table is determined when a table of contents is not written in the PMA. In that case, an optical pickup is moved to a predetermined position in the program area based on the absolute time obtained from the pregroove.
Claims1
A method for recording a first program and data on an optical disc at a first recording start position by means of an optical pickup so that said program can be properly reproduced by a compact disk (CD) player, the optical disk having a first area in which the program is recorded and a second area in which data are written, the disc being either one of an unrecorded and a recorded disk, said method comprising the steps of:
- determining, by reading said second area of the disk to determine whether the first area has a program or no program recorded therein, and if it is determined that no program is recorded, providing an unrecorded disk signal;
- detecting whether an unrecorded disk signal is produced, and upon detecting such signal, moving said optical pickup to a first record start position with an actual pause after a beginning of a start position of the first area;
- starting to record a program from said first record start position, without recording information at a position of the actual pause;
- and
- recording blank data in the position of the actual pause after finishing of recording the program in the first area.
Dependencies are inferred from the claim text.