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    • 2. 发明授权
    • Method and apparatus for dynamically absorbing vibration
    • 动态吸收振动的方法和装置
    • US07243359B2
    • 2007-07-10
    • US10519795
    • 2003-11-21
    • Toshio SaitoHiroshi Ohyama
    • Toshio SaitoHiroshi Ohyama
    • G11B7/08
    • G11B33/08
    • A disk device (10) comprises a case (11) for supporting the entire disk device (10), a base chassis (12) on which a spindle motor (21) for rotating the disk is set, a counterweight (13) for absorbing vibration of the base chassis (12), and a plurality of elastic bodies (14a-14d) for mutually supporting the case (11), the base chassis (12) and the counterweight (13). The case (11), the base chassis (12), and the counterweight (13) are supported by the common elastic bodies (14a-14d). As a result, there can be provided the dynamic vibration absorber in which the number of parts is not increased and a cost can be reduced, and the optical disk device (10) using the dynamic vibration absorber.
    • 磁盘装置(10)包括用于支撑整个磁盘装置(10)的壳体(11),设置用于旋转磁盘的主轴电动机(21)的底架(12),用于吸收 底架(12)的振动,以及用于相互支撑壳体(11),底架(12)和配重(13)的多个弹性体(14a-14d)。 壳体(11),底架(12)和配重(13)由共同的弹性体(14a-14d)支撑。 其结果是,能够提供不增加部件数量并且可以降低成本的动态吸振器,以及使用动态吸振体的光盘装置(10)。
    • 3. 发明申请
    • Sound source search system
    • 声源搜索系统
    • US20050246167A1
    • 2005-11-03
    • US10525908
    • 2003-08-27
    • Hirofumi NakajimaShinji OhashiHideo TsuruHiroshi OhyamaTakaaki Yamanaka
    • Hirofumi NakajimaShinji OhashiHideo TsuruHiroshi OhyamaTakaaki Yamanaka
    • G01S3/808H04R1/40H04R3/00G10L19/00
    • H04R3/005G01H3/125G01S3/8083H04R1/406H04R2201/401
    • It is possible to simultaneously identify the sound coming direction from a sound source in all directions and estimate the sound intensity of the sound source. A plurality of microphones (11) are arranged on the surface of a baffle (10) of a shape such as a sphere and polyhedron so that sound from all directions are acquired. A calculation device (40) calculates the amplitude characteristic and the phase characteristic of acoustic signals acquired by the microphones (11). The signal information and information on sound field analysis around the baffle are integrated and calculation to emphasize a sound coming from a particular direction is performed for all the directions so as to identify the sound coming direction from a sound source. According to these calculation results and the distance input by an input device (70), it is possible to estimate the sound intensity of the sound source at a plurality of portions generated at the sound source or boundary surface.
    • 可以从各个方向的声源同时识别来自声音的方向,并且估计声源的声音强度。 多个麦克风(11)布置在诸如球体和多面体的形状的挡板(10)的表面上,使得获得来自所有方向的声音。 计算装置(40)计算由麦克风(11)获取的声学信号的振幅特性和相位特性。 整合挡板周围的信号信息和声场分析信息,对所有方向进行强调来自特定方向的声音的计算,以便识别来自声源的声音进入方向。 根据这些计算结果和输入装置输入的距离(70),可以估计在声源或边界面处产生的多个部分处的声源的声音强度。
    • 6. 发明授权
    • Antenna apparatus for detecting an optimum directivity
    • 用于检测最佳方向性的天线装置
    • US3981016A
    • 1976-09-14
    • US539225
    • 1975-01-07
    • Hideo IwataHiroshi OhyamaAtsushi Oyama
    • Hideo IwataHiroshi OhyamaAtsushi Oyama
    • G01S3/42H01Q3/26H01Q3/44G01S3/44
    • H01Q3/446G01S3/42H01Q3/2652
    • An antenna apparatus for detecting an optimum directivity. The apparatus has an antenna capable of having plural directivities at predetermined directions; a scanning signal generator coupled to the antenna for generating a scanning signal for scanning the plural directivities from the first directivity to the last directivity; a signal level memory coupled to the antenna for memorizing plural memorized signals which are proportional to the output signal levels of the antenna at the plural directivities, respectively, when the plural directivities are scanned by the scanning signal; a detector coupled to the signal level memory memorized for detecting a maximum level memory signal from among the plural memorized signals after the scanning; and a controller coupled between the scanning signal generator and the detector for controlling the scanning signal generator in response to the maximum level memorized signal so as to fix the directivity of the antenna at the directivity corresponding to the maximum level memorized signal.
    • 一种用于检测最佳方向性的天线装置。 该装置具有能够在预定方向上具有多个方向性的天线; 耦合到所述天线的扫描信号发生器,用于产生用于从所述第一方向性扫描所述多个方向性到最后方向性的扫描信号; 耦合到所述天线的信号电平存储器,用于当通过所述扫描信号扫描所述多个方位性时,分别存储与所述天线的输出信号电平成正比的多个存储信号的多个方向性; 存储在信号电平存储器中的检测器,用于从扫描之后的多个存储信号中检测最大电平存储信号; 以及耦合在扫描信号发生器和检测器之间的控制器,用于响应于最大电平存储信号控制扫描信号发生器,以便以对应于最大电平存储信号的方向性固定天线的方向性。
    • 8. 发明授权
    • Sound source search system
    • 声源搜索系统
    • US07379553B2
    • 2008-05-27
    • US10525908
    • 2003-08-27
    • Hirofumi NakajimaShinji OhashiHideo TsuruHiroshi OhyamaTakaaki Yamanaka
    • Hirofumi NakajimaShinji OhashiHideo TsuruHiroshi OhyamaTakaaki Yamanaka
    • H04R3/00
    • H04R3/005G01H3/125G01S3/8083H04R1/406H04R2201/401
    • It is possible to simultaneously identify the sound coming direction from a sound source in all directions and estimate the sound intensity of the sound source. A plurality of microphones (11) are arranged on the surface of a baffle (10) of a shape such as a sphere and polyhedron so that sound from all directions are acquired. A calculation device (40) calculates the amplitude characteristic and the phase characteristic of acoustic signals acquired by the microphones (11). The signal information and information on sound field analysis around the baffle are integrated and calculation to emphasize a sound coming from a particular direction is performed for all the directions so as to identify the sound coming direction from a sound source. According to these calculation results and the distance input by an input device (70), it is possible to estimate the sound intensity of the sound source at a plurality of portions generated at the sound source or boundary surface.
    • 可以从各个方向的声源同时识别来自声音的方向,并且估计声源的声音强度。 多个麦克风(11)布置在诸如球体和多面体的形状的挡板(10)的表面上,使得获得来自所有方向的声音。 计算装置(40)计算由麦克风(11)获取的声学信号的振幅特性和相位特性。 整合挡板周围的信号信息和声场分析信息,对所有方向进行强调来自特定方向的声音的计算,以便识别来自声源的声音进入方向。 根据这些计算结果和输入装置输入的距离(70),可以估计在声源或边界面处产生的多个部分处的声源的声音强度。