Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal processing for controlling recording light...
Reexamination Certificate
2010-07-06
2011-12-27
Giesy, Adam R (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal processing for controlling recording light...
C369S059110, C369S047530
Reexamination Certificate
active
08085638
ABSTRACT:
A test-write method for accurately and quickly determining recording conditions, and an apparatus suitable therefor. In a 2T-based strategy, recording pulse conditions are determined by separately test-writing an even-number length mark and an odd-number length mark, and then the relative positions of the even-number length mark and the odd-number length mark at the recording pulse start time are adjusted.
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Minemura Hiroyuki
Shintani Toshimichi
Ushiyama Junko
Antonelli, Terry Stout & Kraus, LLP.
Giesy Adam R
Hitachi , Ltd.
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