US Patent 7142135 Modulation methods and systems
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Hsin-Cheng Chen0
Ming-Yang Chao0
Pi-Hai Liu0
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Patent abstract
In a high-density optical storage system, data words are modulated into code words in a manner of minimizing the fluctuation of the digital sum value (DSV). A cumulative DSV is calculated for each possible value of a DSV control bit. The DSV control bit is determined to minimize the absolute cumulative DSV when detecting at least one subsequent DSV control bit or after a predetermined delay. A corresponding code word is generated according to the determined current DSV control bit.
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US Patent 07142135 Modulation methods and systems US Patent 7142135 Modulation methods and systems
Infobox
Patent Number
071421350
Patent Number
71421350
Edits on 24 Sep, 2022
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Patent Jurisdiction
Patent Number
071421350
Date of Patent
November 28, 2006
0Patent Application Number
111623230
Date Filed
September 6, 2005
0Official Website
Patent Primary Examiner
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US Patent 07142135 Modulation methods and systems
Infobox
Is a
Patent jurisdiction
Patent number
07142135
Date of patent
November 28, 2006
Patent application number
11162323
Date Filed
September 6, 2005
Patent primary examiner
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