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    • 3. 发明授权
    • Wireless power transmission audio system and device on transmitting end and loudspeaker for use in such a system
    • 无线电力传输音频系统和用于这种系统的发射端和扬声器上的装置
    • US08929563B2
    • 2015-01-06
    • US13329457
    • 2011-12-19
    • Keisuke KinoshitaJunichi KawamuraShutai Okamura
    • Keisuke KinoshitaJunichi KawamuraShutai Okamura
    • H04B5/00H02J17/00H04L25/49
    • H02J50/12H02J17/00H02J50/80H02J50/90H04L25/4902H04R2420/07
    • The transmitter of a wireless power transmission audio system includes: a transmission signal generating section for generating a transmission signal comprised of an RF signal; a first resonant circuit which receives and sends out the transmission signal; a detecting section for sensing a variation in the transmission signal; and a transmission signal adjusting section. The loudspeaker of the system includes: a second resonant circuit for receiving the transmission signal by producing a magnetic field resonant coupling phenomenon; and an audio output section for reproducing the audio signal. At least one of the transmitter and the loudspeaker includes an impedance adjusting section which changes an impedance value on the transmission line of the transmission signal. When the impedance adjusting section changes the impedance value, the transmission signal adjusting section changes the signal waveform of the transmission signal.
    • 无线电力传输音频系统的发射机包括:发射信号产生部分,用于产生由RF信号组成的传输信号; 接收发送发送信号的第一谐振电路; 用于感测所述发送信号的变化的检测部; 和发送信号调整部。 该系统的扬声器包括:第二谐振电路,用于通过产生磁场谐振耦合现象来接收发射信号; 以及用于再现音频信号的音频输出部分。 发射机和扬声器中的至少一个包括阻抗调整部分,其改变传输信号的传输线上的阻抗值。 当阻抗调整部分改变阻抗值时,发送信号调整部分改变发送信号的信号波形。
    • 4. 发明授权
    • Wireless power transmission system
    • 无线电力传输系统
    • US08872385B2
    • 2014-10-28
    • US13329433
    • 2011-12-19
    • Keisuke KinoshitaJunichi KawamuraShutai Okamura
    • Keisuke KinoshitaJunichi KawamuraShutai Okamura
    • H01F27/42
    • H02J50/12H02J17/00H02J50/80H02J2007/0001
    • A wireless power transmission system transmits power wirelessly from a power transmitter to a power receiver. The power transmitter includes a class E amplifier, a transmitting-end resonant circuit, a detector that detects a voltage or current waveform at a predetermined position in the class E amplifier in accordance with the impedance of the transmitting-end resonant circuit as viewed from the class E amplifier, and a signal extractor that extracts a signal according to the waveform. The power receiver includes a receiving-end resonant circuit, a rectifier circuit, a power reproducing section, and an impedance changer connected between the rectifier circuit and the power reproducing section to change its impedance. When the impedance is changed, the detector detects the waveform variation and the signal extractor extracts and outputs a signal corresponding to the waveform detected by the detector.
    • 无线电力传输系统从电力发射机向电力接收器无线发射电力。 功率发射器包括E级放大器,发射端谐振电路,检测器,其根据从发射端谐振电路的阻抗检测E级放大器中的预定位置处的电压或电流波形 E级放大器,以及根据波形提取信号的信号提取器。 功率接收器包括接收端谐振电路,整流电路,功率再生部和连接在整流电路与功率再现部之间的阻抗变换器,以改变其阻抗。 当阻抗改变时,检测器检测波形变化,并且信号提取器提取并输出与检测器检测到的波形相对应的信号。
    • 5. 发明授权
    • Dereverberation apparatus, dereverberation method, dereverberation program, and recording medium
    • 去混频装置,混响方式,混响程序和记录介质
    • US08271277B2
    • 2012-09-18
    • US12280101
    • 2007-03-05
    • Keisuke KinoshitaTomohiro NakataniMasato Miyoshi
    • Keisuke KinoshitaTomohiro NakataniMasato Miyoshi
    • G10L21/02H04B3/20
    • H04N7/147G10L2021/02082H04R3/04H04S7/305
    • A model application unit calculates linear prediction coefficients of a multi-step linear prediction model by using discrete acoustic signals. Then, a late reverberation predictor calculates linear prediction values obtained by substituting the linear prediction coefficients and the discrete acoustic signals into linear prediction term of the multi-step linear prediction model, as predicted late reverberations. Next, a frequency domain converter converts the discrete acoustic signals to discrete acoustic signals in the frequency domain and also converts the predicted late reverberations to predicted late reverberations in the frequency domain. A late reverberation eliminator calculates relative values between the amplitude spectra of the discrete acoustic signals expressed in the frequency domain and the amplitude spectra of the predicted late reverberations expressed in the frequency domain, and provides the relative values as predicted amplitude spectra of a dereverberation signal.
    • 模型应用单元通过使用离散声信号来计算多步线性预测模型的线性预测系数。 然后,后期混响预测器计算通过将线性预测系数和离散声信号代入多阶线性预测模型的线性预测项而获得的线性预测值,如预测的后期混响。 接下来,频域转换器将离散声学信号转换成频域中的离散声学信号,并将预测的后期混响转换为频域中预测的后期混响。 后期的混响消除器计算在频域中表示的离散声信号的幅度谱与在频域中表示的预测后期混响的幅度谱之间的相对值,并将相对值作为混响前信号的预测振幅谱提供。
    • 6. 发明申请
    • Optical receiving device and optical receiving method
    • 光接收装置及光接收方式
    • US20050163505A1
    • 2005-07-28
    • US11037202
    • 2005-01-19
    • Keisuke KinoshitaSusumu Morikura
    • Keisuke KinoshitaSusumu Morikura
    • H04B10/69H04B10/08
    • H04B10/6931
    • An optical receiving device capable of outputting a control signal and a data signal received as an optical signal, even if a received optical power of an optical signal inputted via an optical fiber 7 fluctuates. An optical-to-electrical conversion section 2 converts the optical signal inputted via the optical fiber 7 to an electrical signal. A received optical power detection section 3 detects a received optical power of the optical signal. A detection level setting section 4 outputs a first detection level value or a second detection level value as a detection level. A comparison section 5 compares the received optical power with the detection level. An output/stop switching section 6 outputs an electrical signal as an output signal when the received optical power is greater than the detection level, and stops outputting the signal when the received optical power Pt is smaller than the detection level Lt.
    • 即使经由光纤7输入的光信号的接收光功率波动,也能够输出作为光信号接收的控制信号和数据信号的光接收装置。 光电转换部分2将经由光纤7输入的光信号转换为电信号。 接收光功率检测部分3检测光信号的接收光功率。 检测电平设定部分4输出第一检测电平值或第二检测电平值作为检测电平。 比较部分5将接收的光功率与检测电平进行比较。 当接收光功率大于检测电平时,输出/停止切换部分6输出作为输出信号的电信号,并且当接收光功率Pt小于检测电平Lt时,输出/停止切换部分6停止输出信号。
    • 7. 发明授权
    • Dereverberation apparatus, dereverberation method, dereverberation program, and recording medium
    • 去混频装置,混响方式,混响程序和记录介质
    • US08467538B2
    • 2013-06-18
    • US12919694
    • 2009-02-27
    • Tomohiro NakataniTakuya YoshiokaKeisuke KinoshitaMasato Miyoshi
    • Tomohiro NakataniTakuya YoshiokaKeisuke KinoshitaMasato Miyoshi
    • H04B3/20
    • G10L2021/02082
    • A sound source model storage section stores a sound source model that represents an audio signal emitted from a sound source in the form of a probability density function. An observation signal, which is obtained by collecting the audio signal, is converted into a plurality of frequency-specific observation signals each corresponding to one of a plurality of frequency bands. Then, a dereverberation filter corresponding to each frequency band is estimated by using the frequency-specific observation signal for the frequency band on the basis of the sound source model and a reverberation model that represents a relationship for each frequency band among the audio signal, the observation signal and the dereverberation filter. A frequency-specific target signal corresponding to each frequency band is determined by applying the dereverberation filter for the frequency band to the frequency-specific observation signal for the frequency band, and the resulting frequency-specific target signals are integrated.
    • 声源模型存储部存储以概率密度函数的形式表示从声源发出的音频信号的声源模型。 通过收集音频信号而获得的观测信号被转换为多个频率特定的观测信号,每个频率特定的观测信号对应于多个频带之一。 然后,通过使用基于声源模型的频带的频率特定观察信号和表示音频信号中的每个频带的关系的混响模型来估计与每个频带相对应的混响滤波器, 观察信号和混响滤波器。 通过对频带应用频带的混响除复用滤波器来确定对应于每个频带的频率特定目标信号,并将所得到的频率特定目标信号进行积分。
    • 9. 发明授权
    • Receiver with plurality of antenna
    • 具有多个天线的接收机
    • US08643552B2
    • 2014-02-04
    • US12921454
    • 2009-12-03
    • Kazuaki SuzukiKeisuke Kinoshita
    • Kazuaki SuzukiKeisuke Kinoshita
    • H01Q1/38
    • H04B1/08H01Q1/2258H01Q9/42H01Q21/28H04B7/08
    • The receiver diversity-receives radio wave with a plurality of antennas. The receiver includes a conductive case having a receiving section for executing diversity-receiving processing, a first through hole and a second through hole that are disposed on the surface of the same side of the case and penetrate the case from the outside to the inside, a first antenna and a second antenna for supplying a received signal to the receiving section, and a first hinge and a second hinge that are fixed to the inside of the case, pass the first through hole and the second through hole, directly or indirectly support the first antenna and the second antenna, and are movable, respectively. A partition is disposed between the first through hole and the second through hole.
    • 接收机分集 - 接收具有多个天线的无线电波。 接收机包括具有用于执行分集接收处理的接收部分的导电壳体,设置在壳体的同一侧的表面上并从外部向内部穿透壳体的第一通孔和第二通孔, 用于将接收信号提供给接收部分的第一天线和第二天线以及固定到壳体内部的第一铰链和第二铰链通过第一通孔和第二通孔直接或间接地支撑 第一天线和第二天线,并且分别是可移动的。 分隔件设置在第一通孔和第二通孔之间。
    • 10. 发明授权
    • Communications system
    • 通讯系统
    • US07187740B2
    • 2007-03-06
    • US10648260
    • 2003-08-27
    • Keisuke KinoshitaToshiyuki KohriSusumu Morikura
    • Keisuke KinoshitaToshiyuki KohriSusumu Morikura
    • H04L25/08
    • H04L1/22H04J3/0641H04L7/0083
    • A communication system is provided in which normal communications can be ensured even upon a loss of synchronization on a part of transmission paths configuring a network.The system is to perform data communications within a network configured by a plurality of devices. A synchronization detecting section detects a loss of synchronization for data transmission between devices connected to each other via the network. Upon detection by the synchronization detecting section of the loss of synchronization, a control information retaining section and a switching section included in the first device cause a connection with the second device to be cut off, and then again cause a connection with the device. Upon connection caused by the switching section between the devices, a connection processing section 16 performs a connecting process for enabling data communications between these devices.
    • 提供了一种通信系统,其中即使在配置网络的传输路径的一部分上的同步丢失也可以确保正常通信。 该系统是在由多个设备配置的网络内执行数据通信。 同步检测部检测经由网络彼此连接的设备之间的数据传输的同步丢失。 在由同步检测部检测到失去同步的情况下,包括在第一装置中的控制信息保持部分和切换部分导致与第二装置的连接被切断,然后再次引起与装置的连接。 在由设备之间的切换部分引起的连接时,连接处理部分16执行用于在这些设备之间进行数据通信的连接处理。