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公开(公告)号：DE69530154D1
公开(公告)日：2003-05-08
申请号：DE69530154
申请日：1995-09-21
Applicant: NEC CORP
Inventor： HANKUI EIJI , HARADA TAKASHI
Abstract: The device disclosed is for measuring a Specific Absorption Rate (SAR) in a human body exposed to electromagnetic fields (8) radiating from an antenna (4), and is constituted by a phantom (5) (a model of the human body) and a probe structure (1). The phantom has equivalent electric constant of permittivity and permeability as those of a human body. The probe structure (1) has a combination of first and second loop probes (2,3) orthogonal to each other, and is arranged such that the second loop probe receives only a magnetic field that has been reflected from a surface of the phantom. Thus, the magnetic field radiating from the antenna and the magnetic field reflected from a surface of the phantom are distinguished from each other. The reflected magnetic field is corrected and the SAR can be accurately measured.
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公开(公告)号：DE19911731A1
公开(公告)日：1999-10-07
申请号：DE19911731
申请日：1999-03-16
Applicant: NEC CORP
Inventor： HARADA TAKASHI , SASAKI HIDEKI
Abstract: The printed circuit board (1) has an upper layer providing a voltage supply pattern (6) and an earthing pattern (5), respectively coupled to a voltage supply layer (3) and an earthing layer (2) via circuit board openings, with a number of capacitors and/or capacitors in series with resistors at given spacing between the voltage supply layer and the earthing layer.
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公开(公告)号：DE68928378T2
公开(公告)日：1998-05-20
申请号：DE68928378
申请日：1989-01-02
Applicant: NEC CORP
Inventor： INUI TETSUJI , HATAKEYAMA KENICHI , YOSHIUICHI SATOSHI NEC ENVIRON , HARADA TAKASHI , KIZAKI TAKASHI NEC ENVIRONMENT
IPC: H01Q17/00
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公开(公告)号：JP2009212660A
公开(公告)日：2009-09-17
申请号：JP2008051881
申请日：2008-03-03
Applicant: Nec Corp , Shibaura Institute Of Technology , 学校法人 芝浦工業大学 , 日本電気株式会社
Inventor： TAMAOKI NAOYA , YAMAMOTO SHIO , HARADA TAKASHI , KURAMOTO AKIO , IWASAKI HISAO
Abstract: PROBLEM TO BE SOLVED: To provide an antenna which has affinity with the body higher than those of conventional types, and further, suppresses loss due to the body.
SOLUTION: Plane conductive cloth 20 having flexibility has an arrow-shaped slit 10 and includes a bottom edge open portion 12, where a bottom end of a base line portion 13 of the slit 10 is made open and a tip umbrella-shaped portion formed of an umbrella-shaped portion 14 at a tip portion 11 of the base line portion 13. The conductive cloth 20 has the bottom edge open portion 12 and a short-circuit portion 21, the short-circuit portion 21 is outside the tip umbrella-shaped portion of the arrow-shaped slit 10 and is shaped that short-circuits both-side portions of the base line portion 13 of the arrow-shaped portion to a width equal to or smaller than the slit width. The antenna has a power reception/feeding portion 30 receiving and feeding electric power between conductive materials on both sides of the base line portion 13 of the arrow-shaped slit 10 so as to exhibit an antenna function.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种与常规类型相比具有高于人体亲和力的天线，并且进一步抑制由于身体造成的损失。 解决方案：具有柔性的平面导电布20具有箭形狭缝10，并且包括底边开口部分12，其中狭缝10的基线部分13的底端被打开，并且尖端的伞形 在基线部分13的尖端部分11处由伞形部分14形成的部分。导电布20具有底部边缘开口部分12和短路部分21，短路部分21在尖端 形状为箭形狭缝10的伞形部分，并且成形为将箭头形部分的基线部分13的两侧部分短于等于或小于狭缝宽度的宽度。 天线具有在箭头状狭缝10的基线部分13的两侧的导电材料之间接收和馈送电力以便呈现天线功能的受电/馈送部分30。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2007202066A
公开(公告)日：2007-08-09
申请号：JP2006021066
申请日：2006-01-30
Inventor： TSUKAGOSHI TSUNEO , TAMAOKI NAOYA , HARADA TAKASHI
IPC: H04B15/00
Abstract: PROBLEM TO BE SOLVED: To sufficiently suppress a high frequency current at a position where an integrated circuit is mounted, on a ground of a data processing circuit even when the ground of the data processing circuit is disposed in the vicinity of a ground of a radio circuit.
SOLUTION: An electronic device of the present invention includes a current injection circuit 4 which is connected to a ground 1 of the radio circuit and a ground 2 of the data processing circuit, for injecting a current in the same direction as a current flowing to the ground 1 of the radio circuit, from the ground 1 of the radio circuit to the ground 2 of the data processing circuit.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：即使当数据处理电路的地面设置在地面附近时，也可以在数据处理电路的地面上充分抑制集成电路安装位置处的高频电流 的无线电电路。 解决方案：本发明的电子设备包括连接到无线电电路的接地1的电流注入电路4和数据处理电路的接地2，用于以与电流相同的方向注入电流 流到无线电电路的地面1，从无线电电路的地面1到数据处理电路的地面2。 版权所有（C）2007，JPO＆INPIT
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Patent Agency Ranking16.发明专利Method for evaluating characteristic of printed circuit board, and storage medium 审中-公开印刷电路板特性评估方法及储存介质
公开(公告)号：JP2005251223A
公开(公告)日：2005-09-15
申请号：JP2005107901
申请日：2005-04-04
Inventor： SASAKI HIDEKI , HARADA TAKASHI
IPC: G06F17/50
Abstract: PROBLEM TO BE SOLVED: To evaluate whether or not a printed circuit board, in which a power supply voltage fluctuation is suppressed and unwanted electromagnetic wave radiation caused by the resonance of a power supply system circuit is prevented, has been designed during or after board layout preparation before board manufacturing.
SOLUTION: The layout information of the entire board is fetched by an input device (S10), only the layout information of the power supply system circuit is extracted by an extraction means (S11), it is stored in the storage part of a storage device (S12), and it is fetched by a conversion means and converted to electric circuit information (S13). By using this electric circuit information, impedance characteristics of the power supply system circuit viewed from the power supply terminal connecting position of a certain designated active element are calculated (S14) and the result thereof is displayed (S15).
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：为了评估是否阻止了电源电压波动被抑制的印刷电路板和由电源系统电路的谐振引起的不期望的电磁波辐射， 在板材制造后的板材布局准备。 解决方案：整个板的布局信息由输入装置取出（S10），仅通过提取装置提取电源系统电路的布局信息（S11），将其存储在 存储装置（S12），并且由转换装置取出并转换成电路信息（S13）。 通过使用该电路信息，计算从某个指定的有源元件的电源端子连接位置观察的电源系统电路的阻抗特性（S14），并显示其结果（S15）。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2000097878A
公开(公告)日：2000-04-07
申请号：JP26527198
申请日：1998-09-18
Applicant: NEC CORP
Inventor： HANGUI EIJI , HARADA TAKASHI
Abstract: PROBLEM TO BE SOLVED: To evaluate a SAR(specific absorption ratio) including an influence due to change of an electromagnetic field distribution or the like caused by difference in dielectric constants in respective tissues inside a human body, using the human body itself as an object, and to evaluate the SAR in a body surface of the human body not only in a face irradiated with an electric wave but also in a side face and a back face of the measuring object. SOLUTION: This SAR measuring sensor 1 for measuring a specific absorption ratio when a human body is exposed to an electromagnetic wave, is provided with a flat and flexible sensor base body 3 formed of a material having a dielectric constant and magnetic permeability equal or near to a dielectric constant and magnetic permeability of a human body tissue, and plural electromagnetic field sensors 2 capable of measuring electric field components or magnetic field components in three directions orthogonal each other. A large number of sensors 2 are embedded inside the sensor base body 3 to be distributed two-dimensionally.
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公开(公告)号：JP2000089692A
公开(公告)日：2000-03-31
申请号：JP25773098
申请日：1998-09-11
Applicant: NEC CORP
Inventor： HARADA TAKASHI , KURIYAMA TOSHIHIDE , SEKII YOSHIZUMI
IPC: G09F9/313 , H01J5/02 , H01J11/12 , H01J11/14 , H01J11/22 , H01J11/24 , H01J11/26 , H01J11/32 , H01J11/34 , H01J11/44 , H01J11/46 , H01J11/00 , H01J11/02
Abstract: PROBLEM TO BE SOLVED: To provide a plasma display panel, a plasma display module and its drive method eliminating a casing and a filter for suppressing an electromagnetic wave caused from a PDP itself and inexpensively manufacturing a whole PDP device even while effectively reducing the radiation level of the electromagnetic wave. SOLUTION: This plasma display panel is provided with a front glass substrate 2 and a rear glass substrate opposite to each other, plural scan electrodes and common electrodes 4 arranged on the front glass substrate 2 in the row direction, plural data electrodes 5 arranged on the rear glass substrate 3 in the columnar direction and display cells arranged on respective crossing parts between the scan electrodes and common electrodes 4 and the data electrodes 5, and is constituted so as to perform a write-in discharge of the data to the display cells and to light emit the display cells. In this plasma display panel 1, a ground electrode 6 is provided on the rear glass substrate 3.
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公开(公告)号：JPH11261181A
公开(公告)日：1999-09-24
申请号：JP6527898
申请日：1998-03-16
Applicant: NEC CORP
Inventor： HARADA TAKASHI , SASAKI HIDEKI
Abstract: PROBLEM TO BE SOLVED: To provide a multilayer printed circuit board, capable of efficiently suppressing unwonted radiation of electromagnetic waves by suppressing voltage variations between power supply and ground, and without significantly changing the layout of a circuit packaged on the conventional board. SOLUTION: A surface power pattern 6 and a surface ground pattern 5 respectively connected to a power layer 3 and a ground layer 2, through a plurality of via-holes are formed along peripheral portion of a first surface layer of a multilayer printed circuit board 1, and capacitors 8 or series circuits of capacitors 8 and resistors are inserted between the surface power pattern 6 and the surface ground pattern 5 at appropriate intervals.
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公开(公告)号：JPH10319102A
公开(公告)日：1998-12-04
申请号：JP12832097
申请日：1997-05-19
Applicant: NEC CORP
Inventor： HANGUI EIJI , HARADA TAKASHI
Abstract: PROBLEM TO BE SOLVED: To accurately measure the strength of a magnetic field near an electronic equipment by miniaturizing a loop part and an entire sensor. SOLUTION: A substrate including first, second, and third wiring layers is provided, the tip conductor 5 of a magnetic field detection circuit is formed at the opposing positions of the first and third layers, a via hole 10 that is connected to the second layer is provided at both edge parts of the tip conductor 5, two lead conductors 8 and 9 for leading a signal from each via hole 10 are formed at an equal length, at the same time a hybrid circuit 2 is provided, the edge parts of two lead conductors 8 and 9 is connected to a hybrid circuit 2 so that the phases of the output signal of the lead conductors 8 and 9 are synthesized while they are shifted by 180 deg., grounding conductors 6 and 7 for covering the second-layer lead conductors 8 and 9 and the hybrid circuit 2 are provided with a micro gap from the tip conductor 5, and a magnetic field detection signal is outputted from the output terminal of the hybrid circuit 2.
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