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1. 发明专利

JP2009118149A Portable communication terminal 有权
标题翻译：便携式通信终端
公开(公告)号：JP2009118149A
公开(公告)日：2009-05-28
申请号：JP2007288559
申请日：2007-11-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MAEDA KENICHI , KAMIUMA HIROTAKA , MURAKAMI TOORU , SAKASHITA YUICHI
IPC分类号： H04B1/10 , H04B1/30 , H04M1/74
摘要： PROBLEM TO BE SOLVED: To solve the problem that the higher harmonics of a clock signal driving an electronic part such as a memory, a camera, a display or the like interfere in the input side of a direct conversion mixer and reception characteristics are deteriorated.
SOLUTION: The portable communication terminal includes a receiving section 3 containing the direct conversion mixer mixing a partial-oscillator signal set to a frequency coinciding with the center frequency of a reception channel with the desired signal of a high frequency received by an antenna 1 and a DC-component removing means removing a DC component comprised in an output signal from the direct conversion mixer. The portable communication terminal further includes the electronic parts 10, 11 and 12 driven by the clock signal in a desired frequency. The frequency of the clock signal supplied to the electronic parts is set in one in which the higher harmonics of the clock signal interfere in the center frequency of the reception channel.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了解决驱动诸如存储器，照相机，显示器等的电子部件的时钟信号的高次谐波干扰直接转换混频器的输入侧和接收特性的问题恶化解决方案：便携式通信终端包括：接收部分3，其包含直接转换混合器，将部分振荡器信号设置为与接收信道的中心频率一致的频率，其中具有由天线接收的高频的期望信号 1和DC分量去除装置去除来自直接转换混合器的输出信号中包含的DC分量。便携式通信终端还包括以期望频率由时钟信号驱动的电子部件10,11和12。提供给电子部件的时钟信号的频率被设定为时钟信号的高次谐波干扰接收信道的中心频率的频率。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2005065095A Multiband frequency converting circuit and multiband-adapted communication instrument 审中-公开
标题翻译：多频转换电路和多通道自适应通信仪器
公开(公告)号：JP2005065095A
公开(公告)日：2005-03-10
申请号：JP2003295262
申请日：2003-08-19
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MAEDA KENICHI , YOSHIDA YOSHIKAZU , IKUSHIMA TAKAYUKI , KAMIUMA KOUKEI
IPC分类号： H03D7/14 , H04B1/26
摘要： PROBLEM TO BE SOLVED: To provide a multiband frequency converting circuit which can be miniaturized and is suitable for an IC.
SOLUTION: The multiband frequency converting circuit is provided with: a first RF part 10 which receives an RF signal of a band 1: a second RF part 20 which receives an RF signal of a band 2; and a band common LO part 30 which is provided to them in common and to which a first local oscillation signal corresponding to the RF signal of the band 1 or a second local oscillation signal corresponding to the RF signal of the band 2 is inputted. When the RF signal of the band 1 is inputted in the first RF part 10, the RF signal of the band 1 is mixed with the first local oscillation signal by the first RF part 10 and the band common LO part 30 to obtain an IF signal of a desired frequency by frequency conversion. When the RF signal of the band 2 is inputted in the second RF part 20, the RF signal of the band 2 is mixed with the second local oscillation signal by the second RF part 20 and the band common LO part 30 to obtain the IF signal of the desired frequency by frequency conversion.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供可以小型化并且适合于IC的多频变频电路。解决方案：多频段变频电路设置有：第一RF部分10，其接收频带1的RF信号：接收频带2的RF信号的第二RF部分20; 以及共同提供给它们的频带公共LO部分30，并且输入对应于频带1的RF信号的第一本地振荡信号或对应于频带2的RF信号的第二本地振荡信号。当频带1的RF信号被输入到第一RF部分10中时，频带1的RF信号由第一RF部分10和频带公共LO部分30与第一本地振荡信号混合，以获得IF信号通过频率转换所需的频率。当频带2的RF信号被输入到第二RF部分20时，频带2的RF信号由第二RF部分20和频带公共LO部分30与第二本地振荡信号混合，以获得IF信号的频率变换。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2003309454A Variable attenuator 有权
标题翻译：可变衰减器
公开(公告)号：JP2003309454A
公开(公告)日：2003-10-31
申请号：JP2002111732
申请日：2002-04-15
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TANIGUCHI EIJI , SAWAUMI CHIEMI , SUEMATSU KENJI , MAEDA KENICHI , IKUSHIMA TAKAYUKI
IPC分类号： H03H7/24 , H03H11/20 , H03H11/24
CPC分类号： H03H11/245
摘要： PROBLEM TO BE SOLVED: To provide a variable attenuator capable of reducing pass band phase fluctuations of a high frequency signal transmitted from an input terminal to an output terminal at passing amplitude switching.
SOLUTION: The variable attenuator comprises: a series circuit section 8a including a switching transistor 3a and a series resistor 5a in parallel connection; a first parallel circuit section 9a including a switching transistor 3b and a parallel resistor 6a in series connection; and a second parallel circuit section 9b including a switching transistor 3c and a parallel resistor 6b in series connection, and varies the amplitude of a high frequency signal received from an input terminal 1 and outputs the result to an output terminal 2. Phase correction reactance elements 7a, 7b are provided to at least one of the first and second parallel circuit sections 9a, 9b to correct a passing phase difference of the high frequency signal from the input terminal 1 to the output terminal 2.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种可变衰减器，其能够在通过振幅切换时将从输入端子发送的高频信号的通带相位波动减小到输出端子。解决方案：可变衰减器包括：串联电路部分8a，其包括并联的开关晶体管3a和串联电阻器5a; 包括串联连接的开关晶体管3b和并联电阻器6a的第一并联电路部分9a; 以及包括串联连接的开关晶体管3c和并联电阻6b的第二并联电路部分9b，并且改变从输入端子1接收的高频信号的幅度，并将结果输出到输出端子2.相位校正电抗元件 7a，7b提供给第一和第二并联电路部分9a，9b中的至少一个，以校正来自输入端子1的高频信号到输出端子2的通过相位差。（C） 2004年，JPO

4. 发明专利

JP2009117602A Shield structure 审中-公开
标题翻译：屏蔽结构
公开(公告)号：JP2009117602A
公开(公告)日：2009-05-28
申请号：JP2007288723
申请日：2007-11-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SAKASHITA YUICHI , MAEDA KENICHI , MURAKAMI SATORU , KAMIUMA HIROTAKA
IPC分类号： H05K9/00
摘要： PROBLEM TO BE SOLVED: To provide a shield structure capable of securing high shield performance with simple constitution.
SOLUTION: The shield structure includes a shield case 1 disposed on a circuit board 4 to cover an object component, and a ground connection portion 2 formed projecting from a top surface of the shield case 1 by cutting and raising a side surface portion of the shield case 1 and coming into contact with a ground portion opposed to the top surface of the shield case 1.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以简单的结构确保高屏蔽性能的屏蔽结构。解决方案：屏蔽结构包括设置在电路板4上以覆盖物体部件的屏蔽壳体1和通过切割和提升侧表面部分而从屏蔽壳体1的顶表面突出形成的接地连接部分2 并且与与屏蔽壳1的顶表面相对的接地部分接触。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008010523A Portable terminal device 审中-公开
标题翻译：便携式终端设备
公开(公告)号：JP2008010523A
公开(公告)日：2008-01-17
申请号：JP2006177520
申请日：2006-06-28
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MAEDA KENICHI , SAKASHITA YUICHI , MURAKAMI SATORU , KAMIUMA KOUKEI
IPC分类号： H05K9/00 , H01Q1/24 , H01Q17/00 , H04M1/02
摘要： PROBLEM TO BE SOLVED: To provide a portable terminal device wherein antenna performance and electromagnetic shield performance can be established at the same time. SOLUTION: In the portable terminal device 1, an electromagnetic shield case 7 is divided into a first case 7a which houses a specified circuit body 5 and has one open face, and a second case 7b which is externally engaged with the first case 7a in a manner to cover the one face thereof. A convex 7d is formed on the outer peripheral side face 7c of the first case 7a, and a hole 7f is formed on the inner peripheral side face 7e of the second case 7b. While the second case 7b is externally engaged with the first case 7a, the convex 7d is engaged with the hole 7f. The first and second cases 7a and 7b are pressed from their both sides by an enclosure 3, thus press-fitting a part of the outer peripheral side face 7g of the convex 7d to a part of the inner peripheral side face 7s of the hole 7f. Thus, electrical contact can be ensured between the first case 7a and the second case 7b. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供可以同时建立天线性能和电磁屏蔽性能的便携式终端设备。解决方案：在便携式终端装置1中，电磁屏蔽壳体7被分成容纳指定电路体5并具有一个开放面的第一壳体7a和与第一壳体外部接合的第二壳体7b 7a以覆盖其一个面的方式。在第一壳体7a的外周侧面7c上形成凸部7d，在第二壳体7b的内周侧面7e上形成有孔7f。当第二壳体7b与第一壳体7a外部接合时，凸起7d与孔7f接合。第一和第二壳体7a和7b由它们的两侧由外壳3挤压，从而将凸部7d的外周侧面7g的一部分压配合到孔7f的内周侧面7s的一部分。因此，可以确保在第一壳体7a和第二壳体7b之间的电接触。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2006005385A Electronic apparatus with imaging apparatus 审中-公开
标题翻译：具有成像装置的电子装置
公开(公告)号：JP2006005385A
公开(公告)日：2006-01-05
申请号：JP2004176318
申请日：2004-06-15
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MAEDA KENICHI , KATSURA TAKATOSHI
IPC分类号： H04N5/225
摘要： PROBLEM TO BE SOLVED: To provide a technology of reducing or preventing the interference of noise emitted from a lens of a camera and an imaging element in an electronic apparatus provided with the camera and given to the electronic apparatus main body provided with the camera.
SOLUTION: The whole camera 10 including the lens 15 is shielded with a shield 11 for the purpose of shielding the noise emitted from a signal line 17 and the imaging element 12 at operations of the camera. Through the configuration above, the shield performance of the camera 10 can be enhanced. Even when only a part of the lens 15 is shielded without shielding the whole camera 10, it is possible to achieve the purpose of the technology of reducing the effect of the noise emitted in the imaging direction of the camera 10. Further, a transparent conductive member is employed for the shield 11 to attain the compatibility between the photographing function required for the camera 10 and the shield function.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种减少或防止在设置有照相机的电子设备中的照相机和成像元件的透镜发出的噪声的干扰并且被提供给设置有相机的电子设备主体的技术相机。解决方案：为了在相机操作时屏蔽从信号线17和成像元件12发出的噪声的目的，包括透镜15的整个照相机10被屏蔽11屏蔽。通过上述结构，可以提高照相机10的屏蔽性能。即使仅屏蔽透镜15的一部分而不遮蔽整个照相机10，也可以实现降低照相机10的成像方向上发出的噪声的影响的技术。此外，透明导电为了达到相机10所需的拍摄功能与屏蔽功能之间的兼容性，采用了屏蔽件11。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2002368115A Semiconductor integrated circuit 有权
标题翻译：半导体集成电路
公开(公告)号：JP2002368115A
公开(公告)日：2002-12-20
申请号：JP2001177562
申请日：2001-06-12
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MAEDA KENICHI , NISHINO TAMOTSU , SUEMATSU KENJI , TAKAGI SUNAO , SHIMOZAWA MITSUHIRO , ITO KENJI , IKUSHIMA TAKAYUKI , KATSURA TAKATOSHI , SADAHIRO KEIICHI
IPC分类号： H01L21/76 , H01L21/822 , H01L27/04
摘要： PROBLEM TO BE SOLVED: To obtain a semiconductor integrated circuit which suppresses unwanted capacitive coupling.
SOLUTION: The semiconductor integrated circuit comprises trench isolations 4a, 4b for separating dielectric layers 1a-1c and doped layers 2a-2c, a first circuit 5 formed on the dielectric layer 1a and the doped layer 2a, a second circuit 6 formed on the dielectric layer 1c and the doped layer 2c, a conductive metal shield 11 disposed between the trench isolations 4a, 4b, a high-frequency ground 12 provided outside the semiconductor integrated circuit and a wire 13 connecting the metal shield 11 to the high-frequency ground 12. The high-frequency grounded metal shield 11 suppresses unwanted capacitive coupling between the first and second circuits 5, 6.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：获得抑制不需要的电容耦合的半导体集成电路。解决方案：半导体集成电路包括用于分离电介质层1a-1c和掺杂层2a-2c的沟槽隔离物4a，4b，形成在电介质层1a和掺杂层2a上的第一电路5，形成在电介质层上的第二电路6 层1c和掺杂层2c，设置在沟槽隔离物4a，4b之间的导电金属屏蔽件11，设置在半导体集成电路外部的高频接地12和将金属屏蔽件11连接到高频接地12的导线13 高频接地金属屏蔽11抑制第一和第二电路5,6之间的不需要的电容耦合。

8. 发明专利

JP2015046501A 半導体装置审中-公开
标题翻译：半导体器件
公开(公告)号：JP2015046501A
公开(公告)日：2015-03-12
申请号：JP2013176962
申请日：2013-08-28
申请人：三菱電機株式会社 , Mitsubishi Electric Corp
发明人： MAEDA KENICHI , MAKI SUGURU , YOSHIDA NAOTO
IPC分类号： H01L25/065 , H01L23/36 , H01L25/07 , H01L25/18
CPC分类号： H01L2224/16225 , H01L2224/48137 , H01L2224/49171 , H01L2924/19105
摘要：【課題】放熱設計が容易となるように改善された半導体装置を提供する。【解決手段】半導体装置10は、第1半導体チップ20およびこれに重ねて実装された第2半導体チップ30とからなるいわゆるマルチチップ構造を備えている。第2半導体チップ30は、第1半導体チップ20よりも平面方向の大きさが小さく、第1半導体チップ20に複数のフリップチップバンプ32を介してフリップチップ実装されている。第1半導体チップ20には、第1回路70が形成されている。第2半導体チップ30には、第2回路80が形成されている。第2回路80は、第1回路70よりも発熱量が多く、第1回路70よりも高い放熱性が要求される回路である。第1回路70と第2回路80は、フリップチップバンプ32を介して電気的に接続されている。【選択図】図1
摘要翻译：要解决的问题：提供提供散热设计容易性的半导体器件。解决方案：半导体器件10具有包括第一半导体芯片20和第二半导体芯片30的所谓的多芯片结构，其中以重叠的方式安装在第一半导体芯片20上。第二半导体芯片30在平面方向上的尺寸小于第一半导体芯片20的尺寸，并且经由多个倒装芯片凸块32被倒装安装在第一半导体芯片20上。在第一半导体芯片如图20所示，形成第一电路70。在第二半导体芯片30中，形成第二电路80。第二电路80的发热量大于第一电路70的发热量，第二电路80是需要比第一电路70高的散热性能的电路。第一电路70和第二电路80 经由倒装芯片凸块32电连接。

9. 发明专利

JP2001345398A HIGH FREQUENCY MODULE AND DEVICE THEREOF 失效
公开(公告)号：JP2001345398A
公开(公告)日：2001-12-14
申请号：JP2000162931
申请日：2000-05-31
申请人： MITSUBISHI ELECTRIC CORP
发明人： ONO MASAYOSHI , MAEDA KENICHI , SUEMATSU KENJI , TAKAGI SUNAO
IPC分类号： H01L23/12
摘要： PROBLEM TO BE SOLVED: To solve the problem of an inefficient heat radiation from a semiconductor chip. SOLUTION: A multilayer substrate 3 is provided with ground conductors 30a and 30b which are connected electrically to a semiconductor element 2, an irregular part 27 formed at the upper part outside the mounting range of the semiconductor 2, and metals for heat radiation 34a and 34b, which formed on the surface of the irregular part 27 and connected electrically to the ground conductors 30a and 30b.

10. 发明专利

JP2008187745A EVEN HARMONIC MIXER 审中-公开
公开(公告)号：JP2008187745A
公开(公告)日：2008-08-14
申请号：JP2008117446
申请日：2008-04-28
申请人： MITSUBISHI ELECTRIC CORP
发明人： SHIMOZAWA MITSUHIRO , ISODA YOJI , TAKAGI SUNAO , SUEMATSU KENJI , TANIGUCHI EIJI , MAEDA KENICHI , ITO KENJI , KATSURA TAKATOSHI , IKUSHIMA TAKAYUKI
IPC分类号： H03D7/02
摘要： PROBLEM TO BE SOLVED: To provide an even harmonic mixer capable of suppressing variations in a conversion gain caused by variations in an amplitude of LO wave to be fed and variations in temperature. SOLUTION: An even harmonic mixer includes an anti-parallel diode pair 11, in which a first series part having a first diode 1a and a first resistor 10a connected in series and a second series part having a second diode 1b and a second resistor 10b connected in series are connected in parallel such that the first and second diodes may conduct in opposite directions. COPYRIGHT: (C)2008,JPO&INPIT

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