Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1991-09-11
1997-01-28
Canney, Vincent P.
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
G11B 7007
Patent
active
RE0354350
ABSTRACT:
A method and an apparatus for recording and reproducing information for use with an optical disk apparatus in which a pit edge recording method is used. According to the pit edge recording method, the leading edge and the trailing edge of a hole pit or a record domain generated during a recording operation are dealt with as information. During the recording, the recording pulse width and the recording power are corrected, and during the reproduction, the variation in the edge position is corrected.
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Introduction to Video Disk and DAD by Iwamura, Corona Publishing Co., pp. 212-215.
Maeda Takeshi
Saito Atsushi
Sugiyama Hisataka
Takasugi Wasao
Canney Vincent P.
Hitachi , Ltd.
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