Dynamic information storage or retrieval – Binary pulse train information signal – Having specific code or form generation or regeneration...
Reexamination Certificate
2007-05-08
2007-05-08
Korzuch, William (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Having specific code or form generation or regeneration...
Reexamination Certificate
active
10329394
ABSTRACT:
An optical disk recording apparatus is provided that includes an optical pickup, an image encoder that generates data corresponding to a visual image to be drawn in a recording region of an optical disk, an LD control unit that controls the optical pickup and records long pits and long spaces that form the visual image in the recording region, and a system controller that determines whether no reproducible data are stored in the recording region and records the visual image by controlling the LD control unit. Since the reflective ratio of the region where the long pits are formed changes, the region becomes visible to a user. Accordingly, any characters and figures designated by an external device can be visibly recorded on the data recording surface of the optical disk.
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Giesy Adam R.
Korzuch William
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