专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2011171922A High-frequency switch circuit 有权
标题翻译：高频开关电路
公开(公告)号：JP2011171922A
公开(公告)日：2011-09-01
申请号：JP2010032622
申请日：2010-02-17
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KITSUKAWA YUSUKE , EGUCHI SHINICHI , OGURA MEGUMI
IPC分类号： H01P1/15 , H04B1/44
摘要： PROBLEM TO BE SOLVED: To obtain a high-frequency switch circuit that can suppress second order harmonics and third order harmonics from a transmission terminal to an antenna terminal and from the transmission terminal to a reception terminal, and can prevent an increase of a transmission loss of a fundamental frequency from the transmission terminal to the antenna terminal.
SOLUTION: A high-frequency switch circuit has at least one or more first short stubs 51 connected to a transmission terminal 11 and having an approximate 1/4 length to an equivalent wavelength of a fundamental frequency of a high-frequency signal, at least one or more second short stubs 52 connected to the transmission terminal 11 and having an approximate 1/6 length to the equivalent wavelength of the fundamental frequency of the high-frequency signal, and at least one or more open stubs 53 connected to the transmission terminal 11.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了获得可以抑制从发送终端到天线终端以及从发送终端到接收终端的二次谐波和三次谐波的高频开关电路，并且可以防止增加基频从传输终端到天线终端的传输损耗。解决方案：高频开关电路具有至少一个或多个第一短接头51，其连接到传输端子11并且具有大约1/4长度与高频信号的基频的等效波长，至少一个或多个连接到传输终端11并且具有与高频信号的基频的等效波长大约1/6长度的第二短截线52以及至少一个或多个连接到该高频信号的开放短截线53 传输终端11.版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010252158A Frequency conversion circuit 有权
标题翻译：频率转换电路
公开(公告)号：JP2010252158A
公开(公告)日：2010-11-04
申请号：JP2009100964
申请日：2009-04-17
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： EGUCHI SHINICHI , OGURA MEGUMI
IPC分类号： H03D7/00 , H01P5/02 , H01P5/107 , H04B1/26
摘要： PROBLEM TO BE SOLVED: To obtain a frequency conversion circuit which can further enhance frequency conversion characteristics without generating a resonance point within a desired frequency band.
SOLUTION: A frequency conversion circuit includes a frequency conversion IC 1 which mixes a high frequency signal RF and a local oscillation signal LO and outputs an intermediate frequency signal IF. The frequency conversion circuit further includes: a substrate 2 in which an RF probe 14 is formed for supplying the high frequency signal RF supplied from a waveguide 7 to the frequency conversion IC 1; and a substrate 3 in which an RF probe 15 is formed for supplying the local oscillation signal LO supplied from a waveguide 8 to the frequency conversion IC 1. On the substrate 2, a short stab 12 having an approximately λ/4 line length of the high frequency signal RF is disposed of which one terminal is connected to the RF probe 14 and the other terminal is connected to a GND and on the substrate 3, a short stab 13 having an approximately λ4 line length of the local oscillation signal LO is disposed of which one terminal is connected to the RF probe 15 and the other terminal is connected to the GND.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够进一步提高频率转换特性而不产生期望频带内的谐振点的频率转换电路。解决方案：频率转换电路包括频率转换IC1，其混合高频信号RF和本地振荡信号LO并输出中频信号IF。频率转换电路还包括：基板2，其中形成RF探针14以将从波导7提供的高频信号RF提供给频率转换IC 1; 以及基板3，其中形成RF探针15，用于将从波导8提供的本地振荡信号LO提供给频率转换IC 1.在基板2上，具有大约λ/ 4线长度的短刺12 设置高频信号RF，其中一个端子连接到RF探针14，另一个端子连接到GND，并且在基板3上布置具有本地振荡信号LO的大致λ4线路长度的短刺13 其一个端子连接到RF探头15，另一个端子连接到GND。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011176752A amplifier 有权
标题翻译：放大器
公开(公告)号：JP2011176752A
公开(公告)日：2011-09-08
申请号：JP2010040773
申请日：2010-02-25
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YAMAUCHI KAZUHISA , OGURA MEGUMI , TOMIYAMA KENICHI , INOUE AKIRA , YAMANAKA KOJI
IPC分类号： H03F3/60 , H03F3/68
摘要： PROBLEM TO BE SOLVED: To obtain an amplifier in which a wideband characteristic can be improved and a problem of interference from an adjacent cell can be suppressed simultaneously. SOLUTION: In the amplifier which includes a multi-cell transistor (10) in which three or more cells of unit cell transistors (11) are arranged at an equal interval and an output matching circuit (20) in which a plurality of harmonic wave processing circuits (21) provided corresponding to each unit cell transistor so that a short-circuit state is formed at a frequency that is equal to a multiple of a frequency of a fundamental wave by an open stub (22) separated by a slit (23) are included and a line is configured so that each harmonic wave processing circuit has a tournament configuration, each harmonic wave processing circuit (21) is disposed at a distance equal to an electric length of less than 1/2 wavelength from at least one of a gate terminal and a drain terminal of each unit cell transistor constituting the multi-cell transistor and one open stub (22) is disposed parallel to a main line at one side. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够提高宽带特性并且可以同时抑制来自相邻小区的干扰的问题的放大器。解决方案：在包括多单元晶体管（10）的放大器中，其中三个或更多个单元晶体管（11）的单元以相等的间隔排列，以及输出匹配电路（20），其中多个谐波处理电路（21），其对应于每个单位晶体管，使得通过由狭缝分开的开路短截线（22）以等于基波频率的倍数的频率形成短路状态（23），并且配置线路使得每个谐波处理电路具有比赛配置，每个谐波处理电路（21）至少设置在等于小于1/2波长的电长度的距离处构成多单元晶体管的每个单位晶体管的栅极端子和漏极端子之一和一个开路短路（22）在一侧平行于主线设置。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011176694A Low-pass filter 有权
标题翻译：低通滤波器
公开(公告)号：JP2011176694A
公开(公告)日：2011-09-08
申请号：JP2010040157
申请日：2010-02-25
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YUASA TAKESHI , OWADA SATORU , YONEDA HISAFUMI , KITSUKAWA YUSUKE , EGUCHI SHINICHI , OGURA MEGUMI
IPC分类号： H01P1/203 , H01P1/212
摘要： PROBLEM TO BE SOLVED: To obtain a low-pass filter in which a spurious response is improved while reducing increase in passband insertion loss. SOLUTION: A ground conductor 11 is provided over all the lower surface of a dielectric substrate 10 and in an upper layer of the dielectric substrate 10, there are formed signal line conductors 21, 22 for input/output transmission lines, a signal line conductor 31 for a serial transmission line and signal line conductors 41, 42 for parallel transmission lines. Furthermore, in the upper layer of the dielectric substrate 10, signal line conductors 51, 52 for sub transmission lines are formed which are electromagnetic-field-coupled to the signal line conductor 31 for the serial transmission line. One end of the signal line conductor 51 for the sub transmission line is electrically connected to the ground conductor 11 via a columnar conductor 61, another end of the signal line conductor 51 for the sub transmission line and one end of the signal line conductor 52 for the sub transmission line are electrically connected via a lossy sheet 71, and another end of the signal line conductor 52 for the sub transmission line is opened. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了获得在减少通带插入损耗增加的同时提高杂散响应的低通滤波器。解决方案：接地导体11设置在电介质基板10的全部下表面上，并且在电介质基板10的上层中，形成用于输入/输出传输线的信号线导体21,22，信号用于串行传输线的线路导体31和用于并行传输线路的信号线导体41,42。此外，在电介质基板10的上层，形成与用于串行传输线的信号线导体31电磁耦合的副传输线的信号线导体51,52。用于子传输线的信号线导体51的一端经由柱状导体61，副传输线的信号线导体51的另一端和信号线导体52的一端电连接到接地导体副传输线经由有损耗薄片71电连接，并且用于副传输线的信号线导体52的另一端打开。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010273048A Real time delay line 有权
标题翻译：实时延时线
公开(公告)号：JP2010273048A
公开(公告)日：2010-12-02
申请号：JP2009122443
申请日：2009-05-20
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： EGUCHI SHINICHI , HATAKEYAMA HIDEKI , TOMIYAMA KENICHI , OGURA MEGUMI
IPC分类号： H01P9/00
摘要： PROBLEM TO BE SOLVED: To provide a real time delay line that can be made compact.
SOLUTION: The real time delay line 3 includes: GND layers 31 and 32; dielectric layers 11 to 16 sequentially arranged between the GND layers 31 and 32; a first strip conductor 41 formed between a dielectric layer 12 and a dielectric layer 13; a second strip conductor 42 formed between a dielectric layer 14 and a dielectric layer 15; and a connecting via hole for connecting the first strip conductor 41 to the second strip conductor 42, wherein the first strip conductor 41 forms a triplate line with the GND layers 31 and 32, and the second strip conductor 42 also forms a triplate line with the GND layers 31 and 32.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供可以紧凑的实时延迟线。实时延迟线3包括：GND层31和32; 依次配置在GND层31,32之间的电介质层11〜16; 形成在电介质层12和电介质层13之间的第一带状导体41; 形成在电介质层14和电介质层15之间的第二带状导体42; 以及用于将第一带状导体41连接到第二带状导体42的连接通孔，其中第一带状导体41与GND层31和32形成三板线，并且第二带状导体42也形成带有 GND层31和32.版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010187291A Filter bank structure 审中-公开
标题翻译：过滤器银行结构
公开(公告)号：JP2010187291A
公开(公告)日：2010-08-26
申请号：JP2009031239
申请日：2009-02-13
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HATAKEYAMA HIDEKI , KOIDE HIDEYUKI , EGUCHI SHINICHI , OGURA MEGUMI
IPC分类号： H01P1/205 , H01P1/203
摘要： PROBLEM TO BE SOLVED: To obtain a filter bank structure which is capable of flexibly dealing with increase in the number of channels using a multilayer dielectric substrate and can be small-sized.
SOLUTION: A filter circuit 2 is configured on an inner layer of a multilayer dielectric substrate 1, and switches 3a, 3b are mounted on a top layer. Furthermore, a bias circuit 4 is configured on e.g., the inner layer. In the filter circuit 2, a plurality of filters are configured on inner layers and for each of the plurality of filters on the inner layers, ground conductor layers are disposed above and under the filter, and walls constituted of a plurality of vias connecting the upper and lower ground conductor layers are disposed at front and back sides and at right and left sides in a lateral direction.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够灵活地处理使用多层电介质基板的通道数量增加的滤波器组结构，并且可以小型化。解决方案：滤波电路2配置在多层电介质基板1的内层上，开关3a，3b安装在顶层上。此外，偏置电路4配置在例如内层上。在滤波电路2中，在内层上配置多个滤波器，对于内层的多个滤波器中的每一个配置有多个滤波器，接地导体层设置在滤波器的上方和下方，并且由连接上部的多个通孔构成的壁并且下侧的接地导体层设置在前侧和后侧以及在左右方向上的左右两侧。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010045478A High frequency variable filter 有权
标题翻译：高频变频滤波器
公开(公告)号：JP2010045478A
公开(公告)日：2010-02-25
申请号：JP2008206654
申请日：2008-08-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： UCHIDA HIROMITSU , YONEDA HISAFUMI , OGURA MEGUMI , HATAKEYAMA HIDEKI
IPC分类号： H03H7/12 , H01P1/205
摘要： PROBLEM TO BE SOLVED: To obtain a high frequency variable filter for maintaining pass bandwidth almost constant when a frequency varies.
SOLUTION: The high frequency variable filter is provided with varactors 2a to 2c whose one ends are grounded, meander line inductors 4a to 4c having a fixed value, transmission lines 5a to 5c having a fixed length, transmission lines 6a and 6b having almost the same length as the transmission lines 5a to 5c, and an input-output terminal 8. The fixed length of the transmission lines 5a to 5c is set to be almost 1/4 wavelength in the center frequency in the variable frequency range of a pass frequency. The varactors 2a to 2c, the inductors 4a to 4c, and the transmission lines 5a to 5c are connected in series to constitute a single unit of variable resonance circuit. The transmission lines 6a and 6b connect plural units of variable resonance circuits in parallel to input and output a high frequency signal from/to each variable resonance circuit from the input-output terminal 8.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了获得用于在频率变化时保持通带宽度几乎恒定的高频可变滤波器。解决方案：高频可变滤波器设置有一端接地的变容二极管2a至2c，具有固定值的曲折线电感器4a至4c，具有固定长度的传输线5a至5c，传输线6a和6b具有与传输线路5a至5c几乎相同的长度以及输入 - 输出端子8.传输线路5a至5c的固定长度被设置为在a的可变频率范围内的中心频率的几乎1/4波长通过频率。变容二极管2a至2c，电感器4a至4c和传输线5a至5c串联连接以构成单个可变谐振电路单元。传输线6a和6b并联连接多个单元的可变谐振电路，从输入输出端子8向每个可变谐振电路输入和输出高频信号。（C）2010，JPO＆INPIT

8. 发明专利

JP2005223614A Converter 有权
标题翻译： CONVERTER
公开(公告)号：JP2005223614A
公开(公告)日：2005-08-18
申请号：JP2004029517
申请日：2004-02-05
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TSUNODA AKIYASU , OGURA MEGUMI
IPC分类号： H01P5/08
摘要： PROBLEM TO BE SOLVED: To solve the problem of a conventional conversion structure that since it is constituted by using two kinds of inner conductor, positional relation of these conductors may be shifted at the time of assembly to cause deterioration in electric characteristics.
SOLUTION: A square coaxial line 1 constituted of a hollow square coaxial line 3 and a square coaxial line 4 having a cut on a metal carrier 16, and a microstrip line 2 constituted of a lower dielectric and a lower outer conductor are arranged oppositely on the metal carrier 16 and connected by a metal ribbon 12.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题为了解决现有的转换结构的问题，由于使用两种内部导体构成，所以这些导体的位置关系在组装时可能发生偏移，导致电特性的劣化。解决方案：由中空的方形同轴线3和在金属载体16上切割的方形同轴线4和由下电介质和下外导体构成的微带线2构成的方形同轴线1布置相反地在金属载体16上并通过金属带12连接。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JPH09162656A DISTORTION COMPENSATION CIRCUIT 失效
公开(公告)号：JPH09162656A
公开(公告)日：1997-06-20
申请号：JP10055196
申请日：1996-04-22
申请人： MITSUBISHI ELECTRIC CORP
发明人： OGURA MEGUMI , KIYONO KIYOHARU , ONO TOMOHIKO , KAMIOGURA AKIHIRO , HIROSE SEIZO
IPC分类号： H03F3/60 , H03F1/32
摘要： PROBLEM TO BE SOLVED: To provide a distortion compensation circuit of a compact structure which can obtain the output signal needed for the compensation of distortion of a high frequency amplifier that is connected to the next stage with low loss by using a semiconductor element to which the external DC bias is not applied. SOLUTION: An input circuit 7 is connected to a gate terminal 4 of a semiconductor element 3, and an output circuit 8 is connected to a drain terminal 5 respectively. A source terminal 6 is grounded, and the external DC bias is not applied to the terminals 4, 5 and 6 of the element 3. The circuits 7 and 8 consist of the transmission lines having the characteristic impedance that is equal to the power or load impedance. Thus it is possible to obtain the output signal of excellent linearity that has the amplitude and phase characteristic needed for the compensation of distortion of a high frequency amplifier that is connected to the next stage.

10. 发明专利

JP2000216645A MICROWAVE DEVICE 失效
公开(公告)号：JP2000216645A
公开(公告)日：2000-08-04
申请号：JP1541799
申请日：1999-01-25
申请人： MITSUBISHI ELECTRIC CORP
发明人： KIYONO KIYOHARU , OGURA MEGUMI
IPC分类号： H03F3/60
摘要： PROBLEM TO BE SOLVED: To obtain a microwave device whose adjustment is not required as a whole or whose adjustment time can considerably be reduoed. SOLUTION: A partition 2 is placed to a metallic case 1 so as to provide rooms to the case 1 side by side, microwave circuits 7, 8 are mounted to the bottom of each room so that input terminals and output terminals of the respective microwave circuits are opposite to each other, and a coaxial connector electrically coupled with the outside of the metallic case 1 is connected to the input terminals and the output terminals of the respective microwave circuits 7, 8 and a coaxial line 14 interconnects the output terminal of the one microwave circuit with the input terminal of the other microwave circuit.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式