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    • 75. 发明授权
    • Noise suppress processing apparatus and method
    • 噪声抑制处理装置及方法
    • US06339758B1
    • 2002-01-15
    • US09363843
    • 1999-07-30
    • Hiroshi KanazawaMasami Akamine
    • Hiroshi KanazawaMasami Akamine
    • G10L2102
    • G10L21/02G10L2021/02166
    • A noise suppress processing apparatus has a speech input section for detecting speech uttered by the speaker at different positions, an analyzer section for obtaining frequency components in units of channels by frequency-analyzing speech signals in units of speech detecting positions, a first beam former processor section for obtaining target speech components by suppressing noise in the speaker direction by filtering the frequency components in units of channels using filter coefficients, which are calculated to decrease the sensitivity levels in directions other than a desired direction, a second beam former processor section for obtaining noise components by suppressing the speech of the speaker by filtering the frequency components for the plural channels obtained by the analyzer section to set low sensitivity levels in directions other than a desired direction, an estimating section for estimating the noise direction from the filter coefficients of the first beam former processor section, and estimating the target speech direction from filter coefficients of the second beam former processor section, and a correcting section for correcting a first input direction as the arrival direction of the target speech to be input in the first beam former processor section on the basis of the target speech direction estimated by the estimating section, and correcting a second input direction as the arrival direction of noise to be input in the second beam former processor section on the basis of the noise direction estimated by the estimating section.
    • 噪声抑制处理装置具有用于检测由不同位置的扬声器发出的语音的语音输入部分,用于以语音检测位置为单位对语音信号进行频率分析来获得以信道为单位的频率分量的分析器部分, 用于通过使用滤波器系数对通道中的频率分量进行滤波来抑制扬声器方向上的噪声来获得目标语音分量的部分,所述滤波器系数被计算为降低除期望方向以外的方向的灵敏度水平;第二波束形成处理器部分,用于获得 通过滤波由分析器部分获得的多个频道的频率分量来设置扬声器的语音以在除期望方向以外的方向上设定低灵敏度水平来抑制扬声器的语音噪声分量;估计部分,用于从 第一波束前处理器 并且基于第二波束形成处理器部分的滤波器系数估计目标语音方向,以及校正部分,用于基于在第一波束形成处理器部分中输入的目标语音的到达方向来校正第一输入方向 由所述估计部估计出的所述目标语音方向,并且基于由所述估计部估计出的噪声方向,校正第二输入方向作为要输入到所述第二波束形成处理器部分中的噪声的到达方向。
    • 76. 发明授权
    • Magneto-optical disk drive
    • 磁光盘驱动器
    • US06243333B1
    • 2001-06-05
    • US09052098
    • 1998-03-31
    • Hiroshi KanazawaShimpei ShinozakiIsao OkudaSuguru TakishimaTakeharu Shin
    • Hiroshi KanazawaShimpei ShinozakiIsao OkudaSuguru TakishimaTakeharu Shin
    • G11B700
    • G11B17/0438G11B11/10558G11B11/10573
    • A magneto-optical disk drive incorporates: a structure to mount a front panel to a frame using a cartridge loading system, using a set of linearly movable control cam plates, to draw a cartridge into a cartridge holder and then to move the cartridge holder to an operating position; a timing control system for the cartridge loading system, which includes a unitary encoder cam gear including a drive gear portion to move the cam plates to lift and lower the cartridge holder, a cam groove portion to draw a cartridge into the cartridge holder, and timing encoders portions to interrupt photo sensors; a shutter mechanism to fully close a cartridge slot with a shutter, both when the drive holds a cartridge and when empty; a magnetic head vertical positioning system to position a magnetic head base against fixed reference surfaces below and a set of resilient members above; a magnetic head horizontal positioning system to first fix the magnetic head base to rotate horizontally about a point, and then to resiliently hold the base from rotating against a rigid member; a magnetic head carriage lock mechanism to hold a magnetic head carriage in its outermost radial position; and a control system for quickly synchronizing magnetic head movement and optical head movement by first moving both heads to an outermost radial position.
    • 磁光盘驱动器包括:使用一组线性可移动控制凸轮板将盒前端面板安装到框架的结构,使用一组可线性移动的控制凸轮板将盒子拉入盒架中,然后将盒架移动到 经营职位; 一种用于盒装载系统的定时控制系统,其包括一个整体编码器凸轮齿轮,其包括用于移动凸轮板以提升和降低盒保持器的驱动齿轮部分,将盒子拉入盒保持器的凸轮槽部分, 编码器部分来中断光传感器; 一个快门机构,用于在驱动器固定墨盒时和空时完全关闭带有快门的墨盒槽; 磁头垂直定位系统,用于将磁头基座定位在下面固定的参考表面和一组上面的弹性构件; 一个磁头水平定位系统,用于首先将磁头基座固定在水平方向绕一个点旋转,然后弹性地将基座旋转抵靠刚性构件; 用于将磁头托架保持在其最外径位置的磁头托架锁定机构; 以及用于通过首先将两个头移动到最外径位置来快速地使磁头移动和光头移动同步的控制系统。
    • 80. 发明授权
    • Alternating current generator for use in vehicle
    • 用于车辆的交流发电机
    • US6104118A
    • 2000-08-15
    • US262864
    • 1999-03-05
    • Hiroshi KanazawaKazuo TaharaYoshiaki HondaMasami TakanoMasahiro Mita
    • Hiroshi KanazawaKazuo TaharaYoshiaki HondaMasami TakanoMasahiro Mita
    • H02K1/22H02K21/04
    • H02K21/044
    • A rotor 2 comprises of a pair of claw shape magnetic poles 3N and 3S and plural permanent magnets 5. The permanent magnet 5 is arranged between claw portions of the claw shape magnetic poles 3N and 3S. A permanent magnet fly-out prevention member 61 is arranged at an outer periphery of the claw shape magnetic poles 3N and 3S and prevents the fly-out of the permanent magnet 5 when the rotor 2 rotates. A permanent magnet holding member 62 holds the permanent magnet 5 from an inner periphery side. In a construction in which the permanent magnet fly-out prevention member 61 is arranged between the claw portions of the claw shape magnetic poles 3N and 3S, the working operation for arranging the permanent magnet 5 between the claw portions of the claw shape magnetic poles 3N and 3S can be improved, thereby a vehicle use AC generator having an improved electric power generation efficiency can be provided.
    • 转子2包括一对爪形磁极3N和3S以及多个永磁体5.永磁体5设置在爪形磁极3N和3S的爪部之间。 在爪状磁极3N,3S的外周配置有永久磁铁防除部件61,能够防止转子2旋转时的永久磁铁5的飞出。 永磁体保持构件62从内周侧保持永磁体5。 在爪状磁极3N和3S的爪部之间配置有永久磁铁防除部件61的结构中,将永久磁铁5配置在爪状磁极3N的爪部之间的工作动作 可以提高3S,能够提供发电效率提高的车用交流发电机。