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    • 3. 发明授权
    • Resonance apparatus, resonance method and computer program for resonance processing
    • 谐振装置,共振方法和共振处理的计算机程序
    • US06762357B2
    • 2004-07-13
    • US10123118
    • 2002-04-17
    • Yutaka WashiyamaSeiji Okamoto
    • Yutaka WashiyamaSeiji Okamoto
    • G10H106
    • G10H1/0091G10H1/125G10H2210/281G10H2250/046
    • Resonance is realized at a desired plurality of tone pitches even after the musical tone signals of a plurality of channels have been synthesized; synthesized musical tone signals are successively delayed, the musical tone signals that are successively delayed are weighted, synthesized and output; the delayed, weighted, synthesized and outputted musical tone signals are fed back, and a series of successive delays, weights, synthesizes and outputs by the feed back are repeated and thus resonance characteristics is imparted; the amount of weighting the musical tone signals successively delayed is determined based upon a relationship among the delay feedback period, the period of sampling the generated musical tone signals and the tone pitch period of the resonance sound imparted with resonance characteristics, and a frequency of the resonance characteristics are determined; Therefore, the resonance characteristics are added at a desired tone pitch after the plurality of musical tone signals are synthesized into one. Accordingly, the resonance processing is conducted very simply.
    • 即使在多个频道的乐音信号已被合成之后,谐振也以期望的多个音调音调实现; 合成音乐信号被连续延迟,连续延迟的乐音信号被加权,合成并输出; 延迟,加权,合成和输出的乐音信号被反馈,并且重复由反馈合成和输出的一系列连续的延迟,权重,从而赋予谐振特性; 基于连续延迟的乐音信号的加权量基于延迟反馈时段,对所产生的乐音信号进行采样的周期与以共振特性赋予的共鸣音的音调周期之间的关系,以及频率 确定谐振特性; 因此,在将多个乐音信号合成为一个之后,谐振特性以所需的音调相加。 因此,谐振处理非常简单地进行。
    • 4. 发明授权
    • System for producing ultrapure water having a TOC density of no more than 0.5 ppb
    • 用于生产TOC密度不超过0.5ppb的超纯水的系统
    • US06177005B1
    • 2001-01-23
    • US09166519
    • 1998-10-06
    • Kazuyuki YamasakiToyoichi NasuTakahide MiyamotoSeiji OkamotoKazuyuki SakataMasami SeraAtsushi Yokotani
    • Kazuyuki YamasakiToyoichi NasuTakahide MiyamotoSeiji OkamotoKazuyuki SakataMasami SeraAtsushi Yokotani
    • C02F306
    • C02F3/302C02F1/283C02F1/32C02F1/441C02F1/469C02F3/006C02F3/106C02F2103/04C02F2209/20C02F2209/40Y02W10/15Y10S210/90
    • Ultrapure water having a reduced amount of TOC and a low electrical conductivity is produced in correspondence with a variation in water quality of raw water. A first water tank has an anaerobic organic matter treatment chamber and an aerobic organic matter treatment chamber which are communicated with each other at their bottom portions. Activated carbon bags are arranged in upper portions of both the chambers, and Bincho charcoal is stowed in the lower portion of the chambers. With this arrangement, carbon compounds and organic nitrogen compounds in the water to be treated are biologically treated by microbes, thereby reducing the TOC. Furthermore, nitrate nitrogen generated through the organic nitrogen compound treatment process is denitrified by the anaerobic microbe, thereby reducing the electrical conductivity of the water to be treated. Both activated carbon towers perform an advanced treatment on remaining carbon compounds and remaining organic nitrogen compounds in the water to be treated from the aerobic organic matter treatment chamber. A controller controls the rate of circulation of the water to be treated and the rate of stirring of the water to be treated on the basis of a signal from a TOC meter, thereby ensuring the water quality of the water to be treated.
    • 与原水的水质变化相对应地产生具有减少的TOC量和低导电性的超纯水。 第一水箱具有在其底部彼此连通的厌氧有机物处理室和有氧有机物处理室。 活性炭袋布置在两个室的上部,并且Bincho炭被收纳在室的下部。 通过这种布置,待处理的水中的碳化合物和有机氮化合物由微生物进行生物处理,从而减少TOC。 此外,通过有机氮化合物处理过程产生的硝酸盐氮被厌氧微生物反硝化,从而降低待处理水的导电性。 两种活性炭塔对待处理的水中的剩余碳化合物和剩余的有机氮化合物进行高级处理。 控制器基于来自TOC计的信号来控制待处理的水的循环速率和待处理的水的搅拌速率,从而确保待处理的水的水质。
    • 5. 发明授权
    • Linear type digital-to-analog converter and driving method therefor
    • 线性型数模转换器及其驱动方法
    • US5767801A
    • 1998-06-16
    • US790756
    • 1997-01-27
    • Seiji Okamoto
    • Seiji Okamoto
    • H03M1/68H03M1/74H03M1/80
    • H03M1/68H03M1/804
    • The present invention aims to provide a linear type digital-to-analog converter which has a great freedom of design and then is not affected by a parasitic capacity. The linear type digital-to-analog converter comprises a lower digital-to-analog converting portion having a plurality of lower serial circuits connected in a ladder manner between a lower output line, and an earthed line and a reference voltage line, the lower serial circuit comprising a lower capacitor and a lower transfer type switch, and a weighted second capacitor connected between the lower output line and the earthed line, an upper digital-to-analog converting portion having a plurality of upper serial circuits connected in a ladder manner between an upper output line, and the earthed line and the reference voltage line, the upper serial circuit comprising an upper capacitor and an upper transfer type switch, and the lower output line and the upper output line are connected through a coupling capacitor. A buffer amplifier is disposed between the lower output line and the coupling capacitor.
    • 本发明旨在提供一种具有很大设计自由度,然后不受寄生电容影响的线性型数模转换器。 线性型数模转换器包括一个较低的数 - 模转换部分,具有多个下串行电路,梯形连接在下输出线和接地线与参考电压线之间,下串 包括下电容器和下传输型开关的电路,以及连接在下输出线和接地线之间的加权第二电容器,具有多个上串联电路的上数字 - 模拟转换部分, 上输出线,接地线和参考电压线,上串联电路包括上电容器和上转换型开关,下输出线和上输出线通过耦合电容器连接。 缓冲放大器设置在下输出线和耦合电容之间。
    • 6. 发明授权
    • Musical tone control apparatus for filter processing a musical tone
waveform ONLY in a transient band between a pass-band and a stop-band
    • 用于仅在通带和停带之间的瞬态频带中对音乐波形进行滤波处理的乐音控制装置
    • US5691496A
    • 1997-11-25
    • US600000
    • 1996-02-14
    • Takashi SuzukiSeiji OkamotoKatsushi IshiiYutaka Washiyama
    • Takashi SuzukiSeiji OkamotoKatsushi IshiiYutaka Washiyama
    • G10H1/12G10H5/00
    • G10H5/002G10H1/125G10H2250/485G10H2250/501
    • Only in a transient band of a filter, substantially all frequency bands of the musical tone waveform are subjected to filter processing. Due to this, the drawback that the amount of change of the frequency characteristic of the musical tone gradually changes as a whole from a fundamental wave toward a harmonics and only one part of the frequency characteristic of the musical tone changes is eliminated. Also, the density of frequency components of the frequency band of the musical tone waveform does not change, the related frequency band is shifted in frequency, subjected to filter processing, and further shifted to a frequency in accordance with the musical tone pitch. Due to this, a specific range of the filter characteristic is selected, and the musical tone is subjected to the filter control only within this range. Then, after the filter processing, the musical tone is shifted in frequency in accordance with the musical tone pitch, and therefore the musical tone is subjected to the filter processing irrespective of the musical tone pitch.Further, the density of the frequency components of the frequency band of the musical tone waveform does not change and the related frequency band is shifted in frequency. Due to this, a harmonics ratio of the frequency components of the frequency band changes, a timbre (musical tone quality) finely changes, and a control on the musical tone which has not conventionally existed is achieved. Also, gains of boundary portions of frequency bands of a plurality of partial musical tone waveforms subjected to the filter processing are matched. Due to this, the gains of the boundary portions of the frequency bands of the partial musical tone waveforms are matched, and a well balanced synthesized musical tone is output.
    • 仅在滤波器的瞬态频带中,乐音波形的基本上所有的频带都进行滤波处理。 由此,音调的频率特性的变化量从基波向谐波逐渐变化,并且仅消除了音调的频率特性的一部分变化的缺点。 此外,乐音波形的频带的频率分量的密度不变,相关频带在频率上移位,进行滤波处理,并且根据音调音调进一步移位到频率。 由此,选择滤波器特性的特定范围,并且仅在该范围内对音调进行滤波器控制。 然后,在滤波处理之后,音调根据音调音调而频移,因此音乐不受音调音调的影响而进行滤波处理。 此外,乐音波形的频带的频率分量的密度不变,相关频带的频率偏移。 由此,频带的频率分量的谐波比变化,音色(乐音质)精细变化,并且实现了对传统上不存在的乐音的控制。 此外,进行滤波处理的多个部分乐音波形的频带的边界部分的增益相匹配。 由此,使部分乐曲波形的频带的边界部分的增益相匹配,并输出良好平衡的合成乐曲。