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1. 发明授权

US06614663B1 Reducing impedance of power supplying system in a circuit board by connecting two points in one of a power supply pattern and a ground pattern by a resistive member 失效
标题翻译：通过电阻构件将电源图案和接地图案之一中的两个点连接在电路板中来减小供电系统的阻抗
公开(公告)号：US06614663B1
公开(公告)日：2003-09-02
申请号：US09361232
申请日：1999-07-27
申请人： Hitoshi Yokota , Tsutomu Hara , Mariko Kasai , Takashi Suga , Hideo Sawada , Hiromu Ishihara
发明人： Hitoshi Yokota , Tsutomu Hara , Mariko Kasai , Takashi Suga , Hideo Sawada , Hiromu Ishihara
IPC分类号： H05K706
CPC分类号： H05K1/0234 , H05K1/114 , H05K1/167 , H05K9/0039 , H05K2201/093 , H05K2201/09309 , H05K2201/0969 , H05K2201/09727 , H05K2201/10022 , H05K2201/10636 , H05K2201/10689 , Y02P70/611
摘要： In a circuit board having a multilayer structure comprising a ground pattern and a power-supply pattern both, for example, by forming a plurality of slits along each side of the ground pattern or the power-supply pattern, a long thin conduction path connecting a corner and a side center of the ground pattern is formed and resistive elements are placed in the middles of the conduction path to short, circuit the corner and a side center of the ground pattern. Therefore, portions corresponding to an antinode and a node or antinode and an antinode of a standing wave are short-circuited. The standing wave is generated when electric power is supplied to ICs and LSIs mounted on the circuit board. Thus, noise sources caused by the standing wave cancel each other. As a result, the occurrence of an antiresonance phenomenon and an increase in impedance of the power supplying system caused by the standing wave can be suppressed.
摘要翻译：在具有包括接地图案和电源图案的多层结构的电路板中，例如通过沿接地图案或电源图案的每一侧形成多个狭缝，长的细导电路径连接角部和接地图案的侧面中心形成，并且电阻元件被放置在传导路径的中间短路中，使拐角和接地图案的侧面中心电路。因此，与波腹对应的部分，驻波的节点或波腹和波腹的部分短路。当向安装在电路板上的IC和LSI提供电力时产生驻波。因此，由驻波引起的噪声源彼此抵消。结果，可以抑制由驻波引起的反共振现象的发生和供电系统的阻抗的增加。

2. 发明授权

US06624536B1 Electromagnetic noise reducing device, noise reducing electronic component and electronic appliance manufacturing method 有权
标题翻译：电磁降噪装置，降噪电子元器件及电器制造方法
公开(公告)号：US06624536B1
公开(公告)日：2003-09-23
申请号：US09361226
申请日：1999-07-27
申请人： Hideo Sawada , Hiromu Ishihara , Hitoshi Yokota , Takashi Suga , Tsutomu Hara
发明人： Hideo Sawada , Hiromu Ishihara , Hitoshi Yokota , Takashi Suga , Tsutomu Hara
IPC分类号： H05K900
CPC分类号： H01Q1/2283 , G06F1/1616 , G06F1/1656 , G06F1/1698 , H01Q1/22 , H01Q1/52 , H01Q7/00 , H01Q17/00 , H04B15/00
摘要： An electronic apparatus is comprised of a circuit apparatus; and an electromagnetic wave absorbing device arranged in the vicinity of the circuit apparatus in an insulating manner with respect to a circuit of the circuit apparatus, and having a metal loop, a portion of which is made of a high resistor. The metal loop contains a first member having a resistor having a resistance value smaller than, or equal to several ohms; and a second member having a resistor having a resistance value larger than, or equal to several ohms, and connected so as to form an electric loop in combination with the first member. The electromagnetic wave absorbing device containing a first member having a resistor having a resistance value smaller than, or equal to several ohms; and a second member having a resistor having a resistance value larger than, or equal to several ohms, and connected so as to form an electric loop in combination with the first member, is mounted on an adhesive tape and the like in order to be attached to an arbitrary electronic appliance. Also, this electromagnetic wave absorbing device is mounted on a circuit board, and an electronic component such as an IC and an LSI as a portion of this structure. As a result, this electromagnetic wave absorbing device realizes suppressions and reductions of electromagnetic noise such as EMI and higher harmonic waves thereof.
摘要翻译：电子装置由电路装置构成; 以及电磁波吸收装置，其相对于电路装置的电路以绝缘方式配置在电路装置附近，并且具有金属环，其一部分由高电阻构成。金属环包括具有电阻值小于或等于几欧姆的电阻器的第一构件; 以及第二构件，其具有电阻值大于或等于几欧姆的电阻器，并且连接成与第一构件组合形成电路。该电磁波吸收装置包含具有电阻值小于或等于几欧姆的电阻器的第一部件; 并且具有电阻值大于或等于几欧姆并且连接以形成与第一构件组合的电回路的电阻器的第二构件安装在胶带等上以便附接到任意电子设备。此外，该电磁波吸收装置作为这种结构的一部分安装在电路板和诸如IC和LSI的电子部件上。结果，该电磁波吸收装置实现了诸如EMI和其高次谐波之类的电磁噪声的抑制和降低。

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