Data recording method recorder and data reproducing method...

Details Data recording method recorder and data reproducing method... Data recording method recorder and data reproducing method...

2008-01-29

2008-01-29

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Having specific code or form generation or regeneration...

C369S059230

Reexamination Certificate

active

07324423

ABSTRACT:
The present invention is relative with a method for recording further data on a recording medium on which there re pre-recorded data obtained on modulating M-bit data to N-bit data, where M<N. The further recorded data are recorded by changing a certain bit or bits of the N-bit data, with the remaining portion of the bits of the N-bit data being fixed.

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