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    • 1. 发明申请
    • SIGNAL PROCESSING-SYSTEM USING SINGULARITY, AND ITS INFORMATION MEMORY MEDIUM
    • 信号处理系统使用单声道及其信息记忆媒体
    • US20110057689A1
    • 2011-03-10
    • US12920044
    • 2009-02-27
    • Isao Nakazawa
    • Isao Nakazawa
    • H03L7/00
    • G10L21/0208G10L19/265G10L21/0272
    • This invention provides the signal processing-system using singularity which is excellent in determination of the original signal against the degradation environment of an operating condition and robust to the signal degradation of noise, can generate the signal suitable to regeneration of the original signal, and has regeneration means to regenerate the original signal. This is the signal processing-system using singularity and has following configuration and features.The original signal converter 10 of the signal processing-system converts the original signal contained in the inputted signal 11 into the signal containing singular points by using the specific function that can convert the signal into signal containing singular points by the signal processing with the specific function. Then it outputs the signal containing singular points 19. The original signal regenerator 20 converts the incoming signals containing singular points 21 into signals having singular points by the specific signal processing. Next, it extracts the undesired-signal component from the signals having singular points, and generates the undesired-signal by the specific inverse operation processing. Finally, it regenerates the original signal by carrying out the operation of the generated undesired-signal and the above-mentioned signal-containing-singular-points, and outputs the regenerated signal 29.
    • 本发明提供了使用奇异性的信号处理系统,它能够根据操作条件的劣化环境确定原始信号,并且对噪声的信号劣化是鲁棒的,可以产生适合于原始信号再生的信号,并且具有 再生手段来再生原始信号。 这是使用奇点的信号处理系统,具有以下配置和特点。 信号处理系统的原始信号转换器10通过使用可以通过具有特定功能的信号处理将信号转换成包含奇异点的信号的特定功能将包含在输入信号11中的原始信号转换成包含奇异点的信号 。 然后它输出包含奇点19的信号。原始信号再生器20通过特定信号处理将包含奇异点21的输入信号转换成具有奇异点的信号。 接着,从具有奇异点的信号中提取不需要的信号成分,并通过特定的反向运算处理生成不需要的信号。 最后,通过执行所产生的不需要信号和上述含信号奇异点的操作来再生原始信号,并输出再生信号29。
    • 3. 发明授权
    • Radio communication system
    • 无线通信系统
    • US5563909A
    • 1996-10-08
    • US272264
    • 1994-07-08
    • Isao Nakazawa
    • Isao Nakazawa
    • H04B7/08H04B7/10H04B7/26H04B17/00
    • H04B7/10H04B7/0817
    • A radio communication system for mobile communications, or more specifically, a radio receiver for a base station which receives signals transmitted from a plurality of mobile stations is provided wherein the propagation characteristics of channels with respect to a frequency domain can be instanteously measured at all times even while the channels are in use. A frequency converter collectively receives signals transmitted from the mobile stations and converts the signals to IF-band signals, respectively. The IF-band signals output from the frequency converter are set apart from one another by corresponding ones of frequency differences of the signals transmitted from the mobile stations. Complex Fourier transform deriving means collectively derives the complex Fourier transforms of these IF-band signals, and outputs the resulting frequency spectra to analyzing means. The analyzing means simultaneously analyzes the propagation characteristics of the individual received waves, based on the frequency spectra supplied thereto. In accordance with the results of the analysis, a wave having excellent propagation characteristics is received.
    • 提供了一种用于移动通信的无线电通信系统,或者更具体地,提供了一种用于接收从多个移动台发送的信号的基站的无线电接收机,其中可以始终即时地即时地测量信道相对于频域的传播特性 即使正在使用频道。 变频器共同接收从移动站发送的信号,并将信号分别转换为IF频带信号。 从频率转换器输出的IF频带信号通过从移动台发送的信号的频率差的相应的一个相互分开。 复数傅里叶变换导出装置共同导出这些IF频带信号的复数傅里叶变换,并将得到的频谱输出到分析装置。 分析装置基于提供给它们的频谱,同时分析各个接收波的传播特性。 根据分析结果,接收具有良好传播特性的波。
    • 4. 发明授权
    • Angle displacement detector for optical image stabilization device
    • 用于光学图像稳定装置的角位移检测器
    • US5126561A
    • 1992-06-30
    • US637532
    • 1991-01-04
    • Isao NakazawaKoichi Washisu
    • Isao NakazawaKoichi Washisu
    • G01B11/26G01C9/10G01D5/28
    • G01D5/285G01B11/26G01C9/10
    • In an angle displacement detector for an optical image stabilization device including a tubular casing which has a chamber containing a sealed-in liquid, a floating body which is disposed within the sealed-in liquid and which is carried in such a way as to be freely rotatable around a given axis of rotation and a detector for detecting a rotation of a floating body around the rotation axis relative to the tubular casing, magnetic elements arranged to have the floating body in a position to permit a measuring action to be adequately carried out at the time of measuring an angle displacement and to adequately keep the floating body in its initial position by a magnetic action when no angle displacement measuring action is required.
    • 在一种用于光学图像稳定装置的角度位移检测器中,该光学图像稳定装置包括管状壳体,该管状壳体具有容纳密封液体的腔室,浮动体设置在密封液体内并以可自由方式被携带 围绕给定的旋转轴线可旋转的检测器和用于检测浮体围绕旋转轴线相对于管状壳体的旋转的检测器,磁性元件被布置成使浮体处于允许测量动作适当地执行的位置 测量角度位移的时间,并且当不需要角度位移测量动作时,通过磁作用将浮体充分保持在其初始位置。
    • 8. 发明授权
    • System and method for monitoring high-frequency circuits
    • 监控高频电路的系统和方法
    • US06859029B2
    • 2005-02-22
    • US10625740
    • 2003-07-24
    • Kazunori YamanakaIsao NakazawaMasafumi ShigakiManabu Kai
    • Kazunori YamanakaIsao NakazawaMasafumi ShigakiManabu Kai
    • H01P5/08H01P5/18G01S3/02
    • H01P5/183
    • A monitoring system for high-frequency circuits which minimizes the insertion loss of additional monitoring circuits while requiring only a small space. An input coupler is placed at the input of a high-frequency circuit whose frequency response is to be monitored. The input coupler has a space where a given high-frequency probing signal can propagate, and it combines this propagating signal with a given electrical input signal. The combined signal is processed by the high-frequency circuit, and the resulting signal is supplied to an output coupler. The output coupler has a space for propagation of a high-frequency probing signal component contained in the received combined signal. The output coupler extracts this propagating signal component for the purpose of monitoring.
    • 一种用于高频电路的监控系统,其最小化附加监控电路的插入损耗,同时只需要较小的空间。 输入耦合器放置在要监视其频率响应的高频电路的输入端。 输入耦合器具有给定的高频探测信号可以传播的空间,并且将该传播信号与给定的电输入信号组合。 组合信号由高频电路处理,结果信号被提供给输出耦合器。 输出耦合器具有用于传播包含在接收的组合信号中的高频探测信号分量的空间。 输出耦合器提取该传播信号分量用于监视。
    • 9. 发明授权
    • Lens barrier device for camera
    • 相机镜头屏障装置
    • US06419407B1
    • 2002-07-16
    • US09659796
    • 2000-09-12
    • Isao Nakazawa
    • Isao Nakazawa
    • G03B1700
    • G03B17/04
    • A lens barrier device for a camera includes a main blade member located on a plane approximately perpendicular to an optical axis of a photo-taking lens of the camera and arranged to perform opening and closing actions by moving on the plane approximately perpendicular to the optical axis, an auxiliary blade member located on one and the same plane as the main blade member and arranged to perform opening and closing actions by moving on one and the same plane as the main blade member, and a driving part arranged to drive the main blade member to perform the opening and closing actions, wherein the auxiliary blade member is arranged to perform the opening and closing actions by being pushed by the main blade member.
    • 用于照相机的透镜屏障装置包括主刀片构件,该主刀片构件位于大致垂直于照相机的摄影镜头的光轴的平面上,并被布置成通过在大致垂直于光轴的平面上移动来执行打开和关闭动作 ,辅助叶片构件,其位于与主叶片构件同一平面上,并且布置成通过在与主叶片构件在同一平面上移动来执行打开和关闭动作;以及驱动部,其布置成驱动主叶片构件 以执行打开和关闭动作,其中辅助叶片构件被布置成通过被主叶片构件推动来执行打开和关闭动作。