Information recording medium, and information reproducing...

Details Information recording medium, and information reproducing... Information recording medium, and information reproducing...

2004-07-01

2009-10-20

Young, Wayne R (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S059250

Reexamination Certificate

active

07606130

ABSTRACT:
On a disc master DS, a record mark having a variable length according to the first data is formed at a displaced position to which the record mark is displaced, in a direction crossing the reading direction thereof, according to a wobble signal obtained by modulating the second data in a predetermined modulating method. A second start position at which the head of the second data is recorded is away from a first start position at which the head of the first data is recorded by a predetermined value.

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