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    • 93. 发明授权
    • Musical tone synthesizing apparatus simulating interaction between
plural strings
    • 模拟多个弦之间的相互作用的乐音合成装置
    • US5352849A
    • 1994-10-04
    • US708480
    • 1991-05-31
    • Kaoru Kobayashi
    • Kaoru Kobayashi
    • G10H1/00G10H5/00G10H7/00G10H7/08G10H5/02
    • G10H5/007G10H2250/451G10H2250/515G10H2250/521Y10S84/10
    • A musical tone synthesizing apparatus is designed to simulate a physical phenomenon of a non-electronic musical instrument providing a sound generating element and an activating element. Herein, the sound generating element has its specific resonance characteristic, while the activating element imparts an excitation vibration to the sound generating element. This apparatus contains a plurality of loop circuits each including at least one delay element, wherein these loop circuits are connected together such that a signal picked up from one loop circuit is introduced into another loop circuit. This signal circulating through each loop circuit is delayed by a delay time which is controlled by a predetermined parameter corresponding to a desirable musical tone to be generated. In addition, an excitation signal, corresponding to the excitation vibration, is applied to at least one of the loop circuits. Preferably, the non-electronic musical instrument is a piano, so that the sound generating element is a string and the activating element is a hammer which strikes the string. Further, number of the loop circuits is set corresponding to the number of strings to be provided with respect to each key of the piano.
    • 音乐合成装置被设计为模拟提供声音产生元件和激活元件的非电子乐器的物理现象。 这里,发声元件具有其特定的共振特性,而激活元件向声音发生元件施加激励振动。 该装置包括多个环路电路,每个环路电路包括至少一个延迟元件,其中这些环路电路连接在一起,使得从一个环路电路拾取的信号被引入到另一个环路电路中。 通过每个环路循环的该信号被延迟延迟时间,该延迟时间由对应于要产生的期望音调的预定参数控制。 此外,对应于激励振动的激励信号被施加到至少一个回路电路。 优选地,非电子乐器是钢琴,使得声音产生元件是琴弦,激活元件是撞击弦的锤子。 此外,环路电路的数量对应于要提供的琴弦数量相对于钢琴的每个琴键。
    • 95. 发明授权
    • Digital phase difference detecting circuit
    • 数字相位差检测电路
    • US4721904A
    • 1988-01-26
    • US810067
    • 1985-12-17
    • Hidetoshi OzakiKaoru Kobayashi
    • Hidetoshi OzakiKaoru Kobayashi
    • G01R25/00
    • G01R25/00
    • A digital phase difference detecting circuit has a phase shifting circuit for shifting by +90.degree. or -90.degree. a phase of an input signal which has been sampled over a predetermined sampling period, a dividing circuit for dividing an output signal of the phase shifting circuit by the input signal, an operation circuit for performing an inverse trigonometric function operation on an output signal of the dividing circuit, and a subtracting circuit for obtaining the difference between an output signal of the operation circuit and a phase of a reference signal. The resulting output signal of the subtracting circuit indicates the phase difference between the reference signal and the input signal.
    • 数字相位差检测电路具有移相电路,用于在预定采样周期内对输入信号的相位进行+ 90°或-90°的相移;分频电路,用于分频移相电路的输出信号 通过输入信号,对分割电路的输出信号进行反三角函数运算的运算电路,以及用于求出运算电路的输出信号与基准信号的相位之差的减法电路。 减法电路的结果输出信号表示参考信号与输入信号之间的相位差。
    • 97. 发明授权
    • Oscillation device
    • 振荡装置
    • US08692626B2
    • 2014-04-08
    • US13568129
    • 2012-08-07
    • Kaoru Kobayashi
    • Kaoru Kobayashi
    • H03B5/30
    • H03L1/02
    • An oscillation device for reducing memory capacity includes a frequency difference detecting unit and a compensation value obtaining unit. When oscillation frequencies of the first and second oscillation circuits are respectively f1 and f2, and oscillation frequencies of the first and second oscillation circuits at a reference temperature are respectively f1r and f2r, the frequency difference detecting unit determines a difference corresponding value x corresponding to a difference value between a value corresponding to a difference between f1 and f1r, and a value corresponding to a difference between f2 and f2r. The compensation value obtaining unit obtains a frequency compensation value of f1 resulting from ambient temperature different from reference temperature based on the difference corresponding value x, and calculates the frequency compensation value of f1 by calculating nth-order polynomial for X being a value corresponding to x/k, where k is a divide coefficient specific to a device.
    • 用于降低存储容量的振荡装置包括频率差检测单元和补偿值获取单元。 当第一和第二振荡电路的振荡频率分别为f1和f2,第一和第二振荡电路在参考温度下的振荡频率分别为f1r和f2r时,频差检测单元确定对应于 在与f1和f1r之间的差对应的值之间的差值以及与f2和f2r之间的差对应的值。 补偿值获取单元基于差值对应值x从与参考温度不同的环境温度获得f1的频率补偿值,并且通过计算X的频率补偿值,计算对应于x的值的n阶多项式 / k,其中k是特定于设备的分频系数。
    • 99. 发明授权
    • Spectrum spread communication method and system using very weak power, and high frequency radio apparatus
    • 频谱扩展通信方式和系统使用功率非常弱,而且高频无线电设备
    • US08090004B2
    • 2012-01-03
    • US11817462
    • 2006-03-02
    • Kaoru KobayashiNobuo Tsukamoto
    • Kaoru KobayashiNobuo Tsukamoto
    • H04B1/707
    • H04B1/7087
    • Provided is a high frequency radio apparatus for correcting a frequency of a carrier of the own apparatus in accordance with a frequency of a reception carrier when performing spread spectrum communication using very weak power. A carrier demodulating part demodulates a spread code received from a communication counterpart radio apparatus by using default carrier data, and sends the demodulated spread code to a synchronization timing detecting part. When the synchronization timing detecting part detects the spread code from the carrier demodulated data, a carrier frequency deviation detecting part performs a frequency analysis of the spread code to detect a deviation amount of the carrier frequency. A carrier data generating part generates corrected carrier data based on the detected deviation amount. A DBPSK modulating part uses the corrected carrier data to perform data transmission to the communication counterpart radio apparatus.
    • 提供一种高频无线电设备,用于在使用非常弱的功率进行扩频通信时,根据接收载波的频率来校正本装置的载波的频率。 载波解调部通过使用默认载波数据来解调从通信对方无线装置接收的扩频码,并将解调后的扩频码发送到同步定时检测部。 当同步定时检测部分从载波解调数据中检测到扩频码时,载波频率偏差检测部分对扩频码进行频率分析,以检测载波频率的偏差量。 载波数据生成部基于检测出的偏差量生成校正后的载波数据。 DBPSK调制部使用经校正的载波数据对通信对方无线电设备执行数据传输。