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    • 46. 发明授权
    • Background noise eliminating apparatus and method, and storage medium storing program realizing such method
    • 背景噪声消除装置和方法以及实现这种方法的存储介质存储程序
    • US06760690B2
    • 2004-07-06
    • US09944239
    • 2001-08-31
    • Akio Takahashi
    • Akio Takahashi
    • H04B1500
    • G10K15/02H04S7/305
    • A CPU of an effector calculates envelopes of an impulse response waveform from sample data of impulse response waveform data supplied from a microphone via an A/D converter circuit. Next, CPU detects a section during which a slope of the detected envelopes takes a value near “0” during a predetermined time or longer. CPU calculates an average value of sample data during the detected section to correct a DC offset. Thereafter, CPU acquires a maximum value of absolute values among the sample data during the detected section, and determines this maximum value as a background noise component value. The background noise components are removed from each sample data constituting the impulse response waveform data.
    • 效应器的CPU通过A / D转换器电路从麦克风提供的脉冲响应波形数据的样本数据中计算脉冲响应波形的包络。 接下来,CPU在预定时间或更长时间内检测检测到的信封的斜率在“0”附近取值的部分。 CPU在检测到的部分中计算采样数据的平均值,以校正直流偏移。 此后,CPU在检测部分期间获取采样数据中的绝对值的最大值,并将该最大值确定为背景噪声分量值。 从构成脉冲响应波形数据的每个采样数据中去除背景噪声分量。
    • 49. 发明授权
    • Headgear holding apparatus and process of forming an embroidery on
headgear
    • 在头饰上形成刺绣的头饰保持装置和过程
    • US6119609A
    • 2000-09-19
    • US110257
    • 1998-07-06
    • Yasuhiko KawaguchiAkio Takahashi
    • Yasuhiko KawaguchiAkio Takahashi
    • D05C9/04
    • D05C9/04D10B2501/042
    • A headgear holding apparatus including a base structure attached to a sewing machine such that the base structure is movable in a first direction, a rotatable structure supported by the base structure such that the rotatable structure is rotatable about a first axis line parallel to the first direction, a headgear holder which has a part-cylindrical outer surface for holding an inner surface of a headgear, the holder being detachably attached to the rotatable structure such that the part-cylindrical outer surface thereof is rotated when the rotatable structure is rotated, a headgear support member which is attached to the base structure, has a curved outer surface, and extends near a sewing position where a sewing needle of the sewing machine is reciprocated, the curved outer surface supporting the inner surface of the headgear when the holder is rotated, and two or more guide rollers attached to the base structure such that the rollers are provided on both sides of the headgear support member in a second direction perpendicular to the first direction, extend parallel to the first direction, and are rotatable about respective second axis lines parallel to the first axis line, the rollers being located at respective positions where an outer circumferential surface of a contact portion of each of the rollers contacts an inner surface of an intermediate annular portion of the headgear.
    • 一种头带保持装置,包括:基座结构,其安装在缝纫机上,使得基部结构能够沿第一方向移动;可旋转结构,其由所述基部结构支撑,使得所述可旋转结构能够围绕平行于所述第一方向的第一轴线旋转 ,具有用于保持头带的内表面的部分圆柱形外表面的头带保持器,所述保持器可拆卸地附接到可旋转结构,使得当可旋转结构旋转时,其部分圆柱形外表面旋转,头带 支撑构件,其附接到基部结构,具有弯曲的外表面,并且在缝纫机的缝纫针往复运动的缝合位置附近延伸,当保持器旋转时支撑头带的内表面的弯曲外表面, 以及两个或更多个引导辊,其连接到基部结构,使得辊被设置在头带支撑体的两侧 t构件在垂直于第一方向的第二方向上平行于第一方向延伸,并且可以绕平行于第一轴线的相应的第二轴线旋转,辊位于相应位置处,其中接触部分的外周面 每个辊接触头罩的中间环形部分的内表面。