Noise suppress processing apparatus and method
    31.
    发明授权
    Noise suppress processing apparatus and method 有权
    噪声抑制处理装置及方法

    公开(公告)号:US06339758B1

    公开(公告)日:2002-01-15

    申请号:US09363843

    申请日:1999-07-30

    IPC分类号: G10L2102

    CPC分类号: G10L21/02 G10L2021/02166

    摘要: 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.

    摘要翻译: 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。

    Magneto-optical disk drive
    32.
    发明授权
    Magneto-optical disk drive 失效
    磁光盘驱动器

    公开(公告)号:US06243333B1

    公开(公告)日:2001-06-05

    申请号:US09052098

    申请日:1998-03-31

    IPC分类号: G11B700

    摘要: 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.

    摘要翻译: 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。

    Scanning optical device having a rotatable adjustable holder
    33.
    发明授权
    Scanning optical device having a rotatable adjustable holder 有权
    扫描光学装置具有可旋转的可调节保持器

    公开(公告)号:US06194713B1

    公开(公告)日:2001-02-27

    申请号:US09294200

    申请日:1999-04-20

    申请人: Hiroshi Kanazawa

    发明人: Hiroshi Kanazawa

    IPC分类号: G02B2608

    摘要: A scanning optical device is provided with a light source, a polygon mirror, and a beam detector which detects the beam reaching a predetermined position in the main scanning direction. The beam detector has at least one elongated light receiving surface. The beam detector is supported by an adjustable holder. The adjustable holder is rotatable that the longitudinal direction of the light receiving surface can be varied with respect to the main scanning direction.

    摘要翻译: 扫描光学装置设置有光源,多面镜和光束检测器,其检测到达到主扫描方向上的预定位置的光束。 光束检测器具有至少一个细长的光接收表面。 光束检测器由可调节的支架支撑。 可调节保持器可旋转,使得光接收表面的纵向可相对于主扫描方向变化。

    Magnetic recording medium, non-magnetic alloy film and sputtering target
    35.
    发明授权
    Magnetic recording medium, non-magnetic alloy film and sputtering target 失效
    磁记录介质,非磁性合金膜和溅射靶

    公开(公告)号:US06174598B1

    公开(公告)日:2001-01-16

    申请号:US09075228

    申请日:1998-05-11

    IPC分类号: G11B566

    摘要: A low noise magnetic recording medium having a high coercive force and adapted for use with a MR head. The magnetic recording medium comprises a non-magnetic substrate having thereon a first non-magnetic underlayer and a magnetic layer comprising a Co alloy provided on the non-magnetic underlayer. The non-magnetic underlayer comprises an alloy represented by the formula: (Ni50Al)100−XMX, wherein M is one of Cr (X=1-40 at %), Mo (X=1-50 at %), W (X=1-60 at %), V (X=1-35 at %), Zr (X=1-25 at %), Nb (X=1-35 at %) and Pd (X=1-25 at %), and when M includes two or more of Cr, Mo, W, V, Zr, Nb and Pd, X is from 1 to 60 at %.

    摘要翻译: 一种具有高矫顽力并适用于MR磁头的低噪音磁记录介质。 磁记录介质包括其上具有第一非磁性底层的非磁性基底和设置在非磁性底层上的包含Co合金的磁性层。 非磁性底层包括由下式(Ni50Al)100-XMX表示的合金,其中M是Cr(X = 1-40原子%),Mo(X = 1-50原子%),W(X (X = 1-35原子%),V(X = 1-35原子%),Zr(X = 1-25原子%),Nb(X = 1-35原子%)和Pd ),当M包含Cr,Mo,W,V,Zr,Nb和Pd中的两种以上时,X为1〜60原子%。

    Alternating current generator for use in vehicle
    36.
    发明授权
    Alternating current generator for use in vehicle 失效
    用于车辆的交流发电机

    公开(公告)号:US6104118A

    公开(公告)日:2000-08-15

    申请号:US262864

    申请日:1999-03-05

    IPC分类号: H02K1/22 H02K21/04

    CPC分类号: H02K21/044

    摘要: 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.

    摘要翻译: 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。

    Position sensor for transmission type optical deflector and apparatus
for correcting scanning position of scanning optical system
    37.
    发明授权
    Position sensor for transmission type optical deflector and apparatus for correcting scanning position of scanning optical system 失效
    用于透射型光偏转器的位置传感器和用于校正扫描光学系统扫描位置的装置

    公开(公告)号:US6014205A

    公开(公告)日:2000-01-11

    申请号:US118005

    申请日:1998-07-17

    摘要: A position sensor is provided for a transmission deflector which has a wedge-shaped transmission prism that is rotatably supported by a yoke member through a prism holder and an elastic member, and rotates in the forward and reverse directions via electromagnetic operation. A coated reflection layer is provided on a surface of the wedge-shaped transmission prism other than the transmission portion thereof through which the light can pass. A light emitter for emitting collimated light onto the reflection layer and an incident position detector for receiving the light reflected by the reflection layer and detecting the incident position of the light thereon are provided on the yoke member or a member integral therewith.

    摘要翻译: 提供了一种用于透射偏转器的位置传感器,其具有通过棱镜保持器和弹性构件由轭构件可旋转地支撑的楔形透射棱镜,并且通过电磁操作在正向和反向方向上旋转。 涂覆的反射层设置在楔形透射棱镜的除了透光部分的透光部分的表面以外。 用于在反射层上发射准直光的光发射器和用于接收由反射层反射的光并且检测其上的光的入射位置的入射位置检测器设置在轭构件或与其成一体的构件上。

    Optical deflection device
    38.
    发明授权
    Optical deflection device 失效
    光学偏转装置

    公开(公告)号:US5926307A

    公开(公告)日:1999-07-20

    申请号:US992809

    申请日:1997-12-18

    IPC分类号: G11B7/085 G02B26/08

    CPC分类号: G11B7/08564

    摘要: An optical deflection device is used to deflect a light beam, such as a laser beam, and comprises a base member, a movable member having an optical deflection element, and a set of leaf-spring assemblies provided at respective sides of the movable member. Each of the leaf-spring assemblies is interposed between the base member and a corresponding side of the movable member such that the movable member is resiliently and movably supported by the leaf-spring assemblies with respect to the base member. Each of the leaf-spring assemblies is formed from at least three leaf-spring elements arranged at uniformly angular intervals around an elastic-main-axis of the movable member.

    摘要翻译: 光学偏转装置用于使诸如激光束的光束偏转,并且包括基底部件,具有光学偏转元件的可动部件和设置在可动部件的相应侧面的一组片簧组件。 每个板簧组件插在基座件和可移动件的相应侧之间,使得可移动件能够相对于基座件由弹簧组件弹性地和可移动地支撑。 每个板簧组件由围绕可动件的弹性主轴以均匀角度间隔布置的至少三个板簧元件形成。

    Magneto-optical disk drive
    39.
    发明授权
    Magneto-optical disk drive 失效
    同步磁光盘驱动器的磁头和光头的移动

    公开(公告)号:US5905696A

    公开(公告)日:1999-05-18

    申请号:US50872

    申请日:1998-03-31

    摘要: Method and apparatus for synchronizing movements of a magnetic head and an optical head of a magneto-optical disk drive. A magnetic head carriage moves a magnetic head between a standby position and a head application position. An optical head carriage supports an optical head to read at least identification tracks of a magneto-optical disk. A synchronizing device synchronizes linear positions of the magnetic head carriage and the optical head carriage, such that the magnetic head carriage is proximate an outermost position of the magnetic head carriage and the optical head carriage is proximate an outermost position of the optical head carriage when the synchronizing device synchronizes the linear positions of the magnetic head carriage and the optical head carriage.

    摘要翻译: 用于使磁头和磁光盘驱动器的光头同步运动的方法和装置。 磁头托架在待机位置和头部施加位置之间移动磁头。 光头托架支撑光头以至少读取磁光盘的识别轨迹。 同步装置使磁头托架和光头托架的线性位置同步,使得磁头托架靠近磁头托架的最外侧位置,并且光​​头托架靠近光头托架的最外位置时 同步装置使磁头托架和光头托架的线性位置同步。

    Scanning optical device and polygon mirror cover
    40.
    发明授权
    Scanning optical device and polygon mirror cover 失效
    扫描光学装置和多面镜罩

    公开(公告)号:US5838001A

    公开(公告)日:1998-11-17

    申请号:US791964

    申请日:1997-01-31

    IPC分类号: B41J2/47 G02B26/12 H01J3/14

    摘要: A scanning optical device that includes a light source for emitting a light flux; a polygon mirror including a plurality of reflecting surfaces for deflecting the light flux to form a scanning beam spot on an image surface; a polygon mirror cover that covers the polygon mirror; and an optical sensor. The polygon mirror is provided with a mark on the top surface thereof that is eccentric from a rotation axis of the polygon mirror. Also, the polygon mirror cover includes a cylindrical rib formed on an inner surface of the top wall projecting toward the polygon mirror in a space between the top wall and the polygon mirror. The optical sensor is provided for detecting the mark and projects toward the polygon mirror from the inner surface of the top wall, through the cylindrical rib, such that the optical sensor forms a part of the cylindrical rib.

    摘要翻译: 一种扫描光学装置,包括用于发射光束的光源; 多面镜,包括用于偏转光束以在图像表面上形成扫描光束点的多个反射表面; 覆盖多面镜的多面镜罩; 和光学传感器。 多面镜在其顶表面上设置有与多面镜的旋转轴偏心的标记。 此外,多面镜罩包括在顶壁和多面镜之间的空间中形成在顶壁的内表面上的多个反射镜的圆柱形肋。 提供光学传感器,用于检测标记并从顶壁的内表面通过圆柱形肋状物朝向多面镜投影,使得光学传感器形成圆柱形肋的一部分。