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    • 1. 发明授权
    • Sound absorbing material and method of production therefor
    • 吸声材料及其生产方法
    • US5820975A
    • 1998-10-13
    • US725680
    • 1996-10-02
    • Katsutoshi OdaToshiyuki SuzukiMasao ImanishiAkira KanekoKenji ItoYasutaka Nakamura
    • Katsutoshi OdaToshiyuki SuzukiMasao ImanishiAkira KanekoKenji ItoYasutaka Nakamura
    • E04B1/86B32B5/18B32B5/22E04B1/74E04B1/82E04B1/84G10K11/16G10K11/162B32B7/02
    • B32B5/22E04B1/82E04B2001/742E04B2001/8461Y10T428/249953Y10T428/249955Y10T428/249956Y10T428/249981Y10T428/249982Y10T428/249985Y10T428/249987Y10T428/25Y10T428/26
    • A sound absorbing material which comprises a base layer 1 having a porosity of 5 to 50% by volume and a decorative layer 3 having a porosity of 5 to 50% by volume integrally, and which is obtained by sprinkling inorganic particles 4 containing colored particles in an amount of at least 1% by volume which are coated with a weather-resistant transparent resin so as to form a first particle layer which is to form the decorative layer 3 in the sound absorbing material, sprinkling uncolored inorganic lightweight particles 2 which are coated with a thermosetting resin on the first particle layer so as to form a second particle layer which is to form the base layer 1 in the sound absorbing material, and carrying out thermal compression integral molding of the first particle layer and the second particle layer simultaneously, is lightweight and inexpensive, and is provided with an attractive external stone-grain-like appearance, without impairing the sound absorbing ability of the material. In addition, by placing a reinforcing layer material on the top surface, bottom surface, or both surfaces of the second particle layer, and carrying out thermal compression integral molding of the first particle layer, the second particle layer, and the reinforcing layer material(s) simultaneously, it is possible to provide a sound absorbing material which is provided with rigidity to enable the material to be free-standing, without impairing the above advantages and the sound absorbing ability of the material.
    • 一种吸音材料,其特征在于,其具有孔体积为5〜50体积%的基材1和整体为5〜50体积%的孔隙率的装饰层3,通过将含有着色颗粒的无机粒子4喷洒而得到 涂覆有耐候性透明树脂的至少1体积%的量,以形成在吸音材料中形成装饰层3的第一颗粒层,喷涂涂覆的未着色的无机轻质颗粒2 在第一颗粒层上具有热固性树脂,以形成在吸音材料中形成基底层1的第二颗粒层,同时进行第一颗粒层和第二颗粒层的热压缩一体成型, 重量轻,价格便宜,并且具有吸引力的外部石纹状外观,而不损害材料的吸音能力。 此外,通过在第二颗粒层的顶表面,底面或两个表面上放置增强层材料,并且进行第一颗粒层,第二颗粒层和增强层材料的热压整体成型 同时,可以提供具有刚性的吸声材料,以使材料能够自立,而不会损害材料的上述优点和吸声能力。
    • 2. 发明授权
    • Diaphragm for speaker and manufacturing method therefor
    • 扬声器隔膜及其制造方法
    • US07775319B2
    • 2010-08-17
    • US11767249
    • 2007-06-22
    • Masao ImanishiYasutaka Nakamura
    • Masao ImanishiYasutaka Nakamura
    • G10K13/00H04R1/00H04R7/00
    • H04R31/003H04R7/12H04R2307/021
    • A diaphragm for use in a speaker is manufactured using a plurality of thin wooden boards having flat rectangular shapes. The thin wooden boards are impregnated with a resin; then, a plurality of cutouts, which are elongated along wooden fiber directions or which are elongated in directions crossing wooden fiber directions, are formed in the thin wooden boards. Instead of the cutouts, it is possible to form a plurality of folded portions elongated in directions crossing wooden fiber directions. The thin wooden boards are integrally laminated together in such a way that the wooden fiber directions thereof mutually cross with a prescribed angle therebetween. The thin wooden boards integrally laminated together are subjected to thermal pressing so as to form a wooden vibrator serving as the diaphragm. Thus, it is possible to easily produce the diaphragm having a high strength and superior acoustic characteristics without causing defects.
    • 使用多个扁平矩形薄板制造用于扬声器的隔膜。 薄木板用树脂浸渍; 然后,在薄木板上形成多个沿着木纤维方向伸长或沿木纤维方向延伸的切口。 代替切口,可以形成多个沿木纤维方向交叉的方向伸长的折叠部分。 薄木板以这样的方式被一体地层叠在一起,使得其木纤维方向在其间以规定的角度相互交叉。 整体层叠在一起的薄木板经受热压,以形成用作隔膜的木制振动器。 因此,可以容易地制造具有高强度和优异的声学特性而不引起缺陷的隔膜。
    • 3. 发明申请
    • DIAPHRAGM FOR SPEAKER AND MANUFACTURING METHOD THEREFOR
    • 用于演讲者及其制造方法的透镜
    • US20080006475A1
    • 2008-01-10
    • US11767249
    • 2007-06-22
    • MASAO IMANISHIYasutaka Nakamura
    • MASAO IMANISHIYasutaka Nakamura
    • H04R7/02
    • H04R31/003H04R7/12H04R2307/021
    • A diaphragm for use in a speaker is manufactured using a plurality of thin wooden boards having flat rectangular shapes. The thin wooden boards are impregnated with a resin; then, a plurality of cutouts, which are elongated along wooden fiber directions or which are elongated in directions crossing wooden fiber directions, are formed in the thin wooden boards. Instead of the cutouts, it is possible to form a plurality of folded portions elongated in directions crossing wooden fiber directions. The thin wooden boards are integrally laminated together in such a way that the wooden fiber directions thereof mutually cross with a prescribed angle therebetween. The thin wooden boards integrally laminated together are subjected to thermal pressing so as to form a wooden vibrator serving as the diaphragm. Thus, it is possible to easily produce the diaphragm having a high strength and superior acoustic characteristics without causing defects.
    • 使用多个扁平矩形薄板制造用于扬声器的隔膜。 薄木板用树脂浸渍; 然后,在薄木板上形成多个沿着木纤维方向伸长或沿木纤维方向延伸的切口。 代替切口,可以形成多个沿木纤维方向交叉的方向伸长的折叠部分。 薄木板以这样的方式被一体地层叠在一起,使得其木纤维方向在其间以规定的角度相互交叉。 整体层叠在一起的薄木板经受热压,以形成用作隔膜的木制振动器。 因此,可以容易地制造具有高强度和优异的声学特性而不引起缺陷的隔膜。
    • 9. 发明申请
    • ACOUSTIC RESONANCE DEVICE
    • 声学谐振装置
    • US20110056763A1
    • 2011-03-10
    • US12876067
    • 2010-09-03
    • Rento TanaseHiroshi NakashimaYasutaka NakamuraKeiichi FukatsuAtsushi YoshidaShinichi Kato
    • Rento TanaseHiroshi NakashimaYasutaka NakamuraKeiichi FukatsuAtsushi YoshidaShinichi Kato
    • E04B1/82
    • B60R13/0815
    • An acoustic resonance device is installed in a compartment of a vehicle so as to reduce a low-frequency sound pressure (or noise) dependent upon a natural vibration. Specifically, an acoustic resonance device is a panel/diaphragm resonator, a resonance pipe, or a Helmholtz resonator, the inner space of which communicates with the compartment via an opening. The acoustic resonance device is positioned in proximity to an antinode of sound pressure owing to a natural vibration occurring in a driver/passenger space inside the compartment. Alternatively, the acoustic resonance device increases a particle velocity at a specific natural frequency or decreases sound pressure at an excitation frequency which occurs due to an external condition of the vehicle. The acoustic resonance device can be installed in a roof, a seat, a pillar supporting the roof, or a door of a vehicle.
    • 声学共振装置安装在车辆的隔室中,以便降低取决于自然振动的低频声压(或噪声)。 具体地,声共振装置是面板/隔膜谐振器,共振管或亥姆霍兹共振器,其内部空间经由开口与隔室连通。 由于在隔室内的驾驶员/乘客空间中发生的自然振动,声共振装置位于靠近声压的波腹处。 或者,声共振装置以特定的固有频率增加粒子速度,或者由于车辆的外部状况而产生的激励频率处的声压降低。 声共振装置可以安装在屋顶,座椅,支撑屋顶的支柱或车辆的门上。