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    Earphone
    4.
    发明授权
    Earphone 失效
    耳机

    公开(公告)号：US07551748B2

    公开(公告)日：2009-06-23

    申请号：US11084045

    申请日：2005-03-21

    申请人： Shotaro Kamo ,  Eiji Matsuyama ,  Hajime Kitamura ,  Isao Fushimi ,  Masayoshi Sugiyama

    发明人： Shotaro Kamo ,  Eiji Matsuyama ,  Hajime Kitamura ,  Isao Fushimi ,  Masayoshi Sugiyama

    IPC分类号： H04R25/00

    CPC分类号： H04R1/1016 ,  H04R1/1033

    摘要： The receiver unit includes a receiver body, a housing containing this receiver body, a cord connected to the receiver body, and a cord protector for protecting the cord. The cord protector is a plate-like member having a substantially rectangular shape, and includes an engaging portion and a semicircular portion. The cord protector is formed of soft material such as urethane rubber having Shore hardness of about A90, and its wall thickness is set to be 0.3 to 0.6 mm (0.5 mm, for example).

    摘要翻译： 接收器单元包括接收器主体，容纳该接收器主体的壳体，连接到接收器主体的绳索以及用于保护绳索的帘线保护器。 帘线保护器是具有大致矩形形状的板状构件，并且包括接合部和半圆形部。 帘线保护器由软质材料形成，例如肖氏硬度为约A90的聚氨酯橡胶，其壁厚设定为0.3〜0.6mm（例如0.5mm）。

    Speaker
    5.
    发明授权
    Speaker 失效
    扬声器

    公开(公告)号：US06763120B2

    公开(公告)日：2004-07-13

    申请号：US10100988

    申请日：2002-03-20

    申请人： Shigeru Sugiyama ,  Hajime Kitamura ,  Yoshio Imahori

    发明人： Shigeru Sugiyama ,  Hajime Kitamura ,  Yoshio Imahori

    IPC分类号： H04R2500

    CPC分类号： H04R1/06 ,  H04R9/06

    摘要： A low cost dynamic speaker (10) prevents damage of the diaphragm (16) when the speaker (10) is mounted on a printed circuit board (2). An insulating ring (22) is attached to the front surface of the diaphragm (16) at the periphery. The insulating ring (22) has a pair of terminal pins (24) supported thereon for continuity of the lead wire (18a) with the conductor (4) of the printed circuit board (2). The conducting portion (24b) of each of the terminal pins (24) is protruded forward beyond the annular flat surface (22a) of the insulating ring (22).

    摘要翻译： 当扬声器（10）安装在印刷电路板（2）上时，低成本动态扬声器（10）防止隔膜（16）的损坏。 绝缘环（22）在外围附着到隔膜（16）的前表面。 绝缘环（22）具有一对支撑在其上的端子销（24），用于使引线（18a）与印刷电路板（2）的导体（4）导通。 每个端子销（24）的导电部分（24b）向前突出超过绝缘环（22）的环形平坦表面（22a）。

    Method for the preparation of a cellular foamed body of a vinyl chloride-based resin
    9.
    发明授权
    Method for the preparation of a cellular foamed body of a vinyl chloride-based resin 失效
    制备氯乙烯基树脂的泡沫体的方法

    公开(公告)号：US4402893A

    公开(公告)日：1983-09-06

    申请号：US144988

    申请日：1980-04-30

    申请人： Hajime Kitamura ,  Kiyoshi Imada ,  Yoshitugu Eguchi

    发明人： Hajime Kitamura ,  Kiyoshi Imada ,  Yoshitugu Eguchi

    IPC分类号： B29B7/74 ,  B29C44/00 ,  C08J9/00 ,  C08J9/14 ,  C08K5/00 ,  B29D27/00

    CPC分类号： C08J9/0061 ,  B29C44/50 ,  C08J9/141 ,  C08J9/143 ,  B29K2027/06 ,  C08J2327/06 ,  C08J2457/00 ,  Y10S264/05 ,  Y10S264/13

    摘要： The invention provides a novel and improved method for the preparation of a cellular foamed body of a vinyl chloride-based resin having a very fine and uniform cellular structure with high productivity in a continuous process. According to the inventive method, a vinyl chloride-based resin is admixed with a nucleating agent and a foam conditioning resin which is a specified acrylic resin or a styrene-based resin into a resin composition and the resin composition is first heated under pressure to be converted into an at least partly gelled mass, into which a volatilizable foaming agent which is an organic solvent having a boiling point not exceeding 90.degree. C. is injected under pressure so as that the resin composition is uniformly impregnated with the foaming agent. The foaming agent-impregnated and completely gelled resin composition is then brought under a reduced pressure to be expanded into foams with simultaneous cooling.The above process is most conveniently practiced by use of an extruder machine in which the volatilizable foaming agent is continuously injected into the cylinder where the heated and gelled resin composition is running.

    摘要翻译： 本发明提供了一种制备具有非常细且均匀的细胞结构的氯乙烯基树脂的细胞发泡体的新颖和改进的方法，在连续方法中具有高生产率。 根据本发明的方法，将氯乙烯类树脂与作为特定丙烯酸树脂或苯乙烯类树脂的成核剂和泡沫调理树脂混合到树脂组合物中，并将树脂组合物首先在压力下加热至 转化为至少部分凝胶状物质，在压力下注入作为沸点不超过90℃的有机溶剂的可挥发泡沫剂，以使树脂组合物均匀地浸渍有发泡剂。 然后将发泡剂浸渍和完全凝胶化的树脂组合物在减压下进行膨胀，同时冷却扩展成泡沫。 上述方法最方便地通过使用其中将可挥发泡沫剂连续注入到加热和凝胶化树脂组合物运行的圆筒中的挤出机来实现。

    Method for the preparation of vinyl chloride polymers
    10.
    发明授权
    Method for the preparation of vinyl chloride polymers 失效
    氯乙烯聚合物的制备方法

    公开(公告)号：US4232141A

    公开(公告)日：1980-11-04

    申请号：US925704

    申请日：1978-07-18

    申请人： Shunichi Koyanagi ,  Hajime Kitamura ,  Kazuhiko Kurimoto

    发明人： Shunichi Koyanagi ,  Hajime Kitamura ,  Kazuhiko Kurimoto

    IPC分类号： C08F14/00 ,  C08F2/00 ,  C08F2/16 ,  C08F2/18 ,  C08F2/20 ,  C08F2/22 ,  C08F4/00 ,  C08F14/06

    CPC分类号： C08F14/06 ,  Y10S526/908

    摘要： An improved method for the polymerization of vinyl chloride or a monomer mixture mainly composed of vinyl chloride in an aqueous polymerization medium is proposed in which a water-insoluble polymerization initiator, being solid at room temperature as dispersed in the aqueous medium and having a particle size distribution of 50 .mu.m or finer, is added to the polymerization mixture which is maintained at a temperature where the half-life period of the initiator is 120 minutes or longer or, alternatively, over a duration equal to or shorter than one-tenth of the half-life period of the initiator at the temperature of the polymerization mixture. By this method the polymerization can be homogeneously proceeded to produce vinyl chloride polymers having a uniform particle size distribution, excellent heat stability and much less fish-eyes when fabricated into sheets.

    摘要翻译： 提出了一种在水性聚合介质中聚合氯乙烯或主要由氯乙烯组成的单体混合物的改进方法，其中水不溶性聚合引发剂在室温下分散在水性介质中为固体，具有粒径 将分布为50μm或更细的聚合混合物加入到保持在引发剂的半衰期为120分钟或更长的温度下的聚合混合物中，或者在等于或短于引发剂的十分之一的时间内， 引发剂在聚合混合物温度下的半衰期。 通过该方法，可以均匀地进行聚合以制备具有均匀粒度分布，优异的热稳定性和制造成片材的鱼眼少得多的氯乙烯聚合物。