Method and apparatus for driving a recording medium

Details Method and apparatus for driving a recording medium Method and apparatus for driving a recording medium

1997-10-24

1998-08-18

Edun, Muhammad N.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 48, 369 50, 369 58, G11B 700

Patent

active

057966940

ABSTRACT:
A recording medium driving method and apparatus for recording data on a write-once recording medium, in which it can be checked whether a write-once optical disc is an original disc or a copy disc which has copied digital disc reproduced from an original disc in order to take advantage of the ability of the write-once optical disc as an evidence. The recording medium driving method includes a time information generating step (step ST2) of generating the time information the value of which is changed with lapse of time, a recording data generating step (step ST4) of generating recording data from digital data and the time information and a data recording step (step ST7) of recording the recording data on a write-once recording medium.

REFERENCES:
patent: 5212682 (1993-05-01), Sakurai
patent: 5453964 (1995-09-01), Shimizume
patent: 5539710 (1996-07-01), Tolkushuku et al.

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