Read signal evaluation method, information recording and reading method, and information recording and reading apparatus

A read signal evaluating means for ensuring compatibility in an optical phase multilevel recording and reading system is provided. In addition, a decoding means not large in circuit scale is provided. An optical phase is modulated based on user data, and phase information thus obtained is recorded i...

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1. Verfasser: KIKUGAWA ATSUSHI
Format: Patent
Sprache:eng
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