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Control method and device of filled water volume in fluid space |
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2012-07-24 |
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Modulation and demodulation system, modulator, demodulator and phase modulation method and phase demodulation method used therefor |
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Multi-level modulation method and system |
— |
2009-12-08 |
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Code division multiple access communication system and method |
— |
2008-02-12 |
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Multi-level modulation apparatus, multi-level demodulation apparatus, multi-level modulation/demodulation communication system, program and modulation/demodulation method |
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2007-06-12 |
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2007-01-23 |
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2006-04-25 |
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— |
2006-04-18 |
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Communication system and method |
— |
2004-04-06 |
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Scraper conveyor |
— |
1995-01-24 |
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1992-04-21 |
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Error correcting system capable of effectively using an allowable frequency band |
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1990-10-23 |
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Transversal equalizer |
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1988-07-12 |
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1987-12-29 |
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Digital diversity receiver, comprising an APC loop for locking instants of read-out of buffer memories to an averaged phase of signals supplied thereto |
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1981-05-26 |