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. 发明授权

US06873208B2 High-frequency amplifier 失效
标题翻译：高频放大器
公开(公告)号：US06873208B2
公开(公告)日：2005-03-29
申请号：US10069664
申请日：2001-06-29
申请人： Shintaro Shinjo , Kazutomi Mori , Hiroyuki Joba , Hiroaki Nagano , Mitsuru Motizuki , Yukio Ikeda , Noriharu Suematsu
发明人： Shintaro Shinjo , Kazutomi Mori , Hiroyuki Joba , Hiroaki Nagano , Mitsuru Motizuki , Yukio Ikeda , Noriharu Suematsu
IPC分类号： H03F1/02 , H03F1/30 , H03F1/32 , H03F3/193 , H03F3/60 , H03G3/20
CPC分类号： H03F3/1935 , H03F1/0261 , H03F1/0266 , H03F1/302 , H03F3/193
摘要： A high-frequency amplifying unit 2 in which a steep gain variation developed according to a change in the amplitude of input high-frequency signal is suppressed is provided. It amplifies an input high-frequency signal with a plurality of transistors 12-1 to 12-N at the same time a measuring circuit 27 measures amplitude of the input high-frequency signal, and a bias control circuit 26 continuously controls a bias applied to each transistors 12-1 to 12-N according to the value of amplitude measured by the measuring circuit 27. Thus it is possible to suppress a steep gain variation produced according to a variation in the amplitude of input high-frequency signal.
摘要翻译：提供一种高频放大单元2，其中抑制了根据输入的高频信号的振幅的变化而产生的陡峭的增益变化。它同时用多个晶体管12-1至12-N放大输入高频信号，同时测量电路27测量输入的高频信号的幅度，偏置控制电路26连续地控制施加到每个晶体管12-1至12-N根据由测量电路27测量的振幅值。因此，可以抑制根据输入的高频信号的振幅的变化而产生的陡峭的增益变化。

2. 发明授权

US06650181B2 High-frequency amplifier 失效
公开(公告)号：US06650181B2
公开(公告)日：2003-11-18
申请号：US10069601
申请日：2002-06-25
申请人： Shintaro Shinjo , Kazutomi Mori , Hiroyuki Joba , Hiroaki Nagano , Mitsuru Motizuki , Yukio Ikeda , Noriharu Suematsu
发明人： Shintaro Shinjo , Kazutomi Mori , Hiroyuki Joba , Hiroaki Nagano , Mitsuru Motizuki , Yukio Ikeda , Noriharu Suematsu
IPC分类号： H03G320
CPC分类号： H03F1/0266 , H03F1/0261 , H03F1/306 , H03F3/1935
摘要： A high-frequency amplifying unit 2 in which a steep gain variation developed according to a change in the amplitude of input high-frequency signal is suppressed is provided. It amplifies an input high-frequency signal with a transistor 12 at the same time a measuring circuit 27 measures amplitude of the input high-frequency signal, and a bias control circuit 26 continuously controls a bias applied to the transistor 12 according to the value of amplitude measured by the measuring circuit 27. Thus it is possible to suppress a steep gain variation produced according to a variation in the amplitude of input high-frequency signal.

3. 发明授权

US07161433B2 High-frequency amplifier 有权
标题翻译：高频放大器
公开(公告)号：US07161433B2
公开(公告)日：2007-01-09
申请号：US10520077
申请日：2003-06-11
申请人： Hiroomi Ueda , Shintaro Shinjo , Noriharu Suematsu , Kazutomi Mori , Akira Inoue , Akira Ohta , Hiroaki Seki
发明人： Hiroomi Ueda , Shintaro Shinjo , Noriharu Suematsu , Kazutomi Mori , Akira Inoue , Akira Ohta , Hiroaki Seki
IPC分类号： H03F3/68
CPC分类号： H03F3/602 , H03F1/32 , H03F3/195 , H03F3/211 , H03F2200/18 , H03F2200/366 , H03F2200/451
摘要： A high frequency amplifier includes a constant voltage driven amplifier 1 using as its amplifying element a bipolar transistor 7 with its base biased by a constant voltage, and a constant current driven amplifier 2 using as its amplifying element a bipolar transistor 8 with its base biased by a constant current. The idle current of the constant current driven amplifier 2 is set at a low value. In accordance with the idle current, the idle current of the constant voltage driven amplifier 1 is adjusted, and the two amplifiers are combined in parallel.
摘要翻译：高频放大器包括恒压驱动放大器1，其使用其基极由恒定电压偏置的双极型晶体管7作为其放大元件;以及恒流驱动放大器2，其使用双极晶体管8，其基极由恒流。恒流驱动放大器2的空闲电流被设定为低值。根据空闲电流，调整恒压驱动放大器1的空闲电流，并联两个放大器。

4. 发明授权

US07501897B2 High-power amplifier 失效
标题翻译：大功率放大器
公开(公告)号：US07501897B2
公开(公告)日：2009-03-10
申请号：US10591173
申请日：2004-07-14
申请人： Kazutomi Mori , Shintaro Shinjo , Masaharu Hattori , Kazunori Takahashi , Hiroaki Seki , Akira Ohta , Noriharu Suematsu
发明人： Kazutomi Mori , Shintaro Shinjo , Masaharu Hattori , Kazunori Takahashi , Hiroaki Seki , Akira Ohta , Noriharu Suematsu
IPC分类号： H03F3/04
CPC分类号： H03F1/56 , H03F1/0261 , H03F3/191 , H03F3/24 , H03F2200/15 , H03F2200/18 , H03F2200/222 , H03F2200/249 , H03F2200/318 , H03F2200/387 , H03F2200/391 , H03F2200/417 , H03F2200/451 , H03H7/38
摘要： A high-power amplifier changes matching conditions of an output matching circuit 5 connected between a final stage amplifying element 3 and an output terminal 8 in response to the output power of the amplifying element 3. Thus, the efficiency at low output power can be greatly improved without reducing the efficiency at the maximum output. Besides, since it is not necessary to load a DC-DC converter, an increase in size or cost can be prevented.
摘要翻译：大功率放大器响应于放大元件3的输出功率而改变连接在最后级放大元件3和输出端子8之间的输出匹配电路5的匹配条件。因此，低输出功率的效率可以很大改进而不降低最大输出的效率。此外，由于不需要加载DC-DC转换器，因此可以防止尺寸或成本的增加。

5. 发明申请

US20060152286A1 High-frequency amplifier 有权
标题翻译：高频放大器
公开(公告)号：US20060152286A1
公开(公告)日：2006-07-13
申请号：US10520077
申请日：2003-06-11
申请人： Hiroomi Ueda , Shintaro Shinjo , Noriharu Suematsu , Kazutomi Mori , Akira Inoue , Akira Ohta , Hiroaki Seki
发明人： Hiroomi Ueda , Shintaro Shinjo , Noriharu Suematsu , Kazutomi Mori , Akira Inoue , Akira Ohta , Hiroaki Seki
IPC分类号： H03F3/68
CPC分类号： H03F3/602 , H03F1/32 , H03F3/195 , H03F3/211 , H03F2200/18 , H03F2200/366 , H03F2200/451
摘要： A high frequency amplifier includes a constant voltage driven amplifier 1 using as its amplifying element a bipolar transistor 7 with its base biased by a constant voltage, and a constant current driven amplifier 2 using as its amplifying element a bipolar transistor 8 with its base biased by a constant current. The idle current of the constant current driven amplifier 2 is set at a low value. In accordance with the idle current, the idle current of the constant voltage driven amplifier 1 is adjusted, and the two amplifiers are combined in parallel.
摘要翻译：高频放大器包括恒压驱动放大器1，其使用其基极由恒定电压偏置的双极型晶体管7作为其放大元件;以及恒流驱动放大器2，其使用双极晶体管8，其基极由恒流。恒流驱动放大器2的空闲电流被设定为低值。根据空闲电流，调整恒压驱动放大器1的空闲电流，并联两个放大器。

6. 发明申请

US20070194853A1 High-power amplifier 失效
标题翻译：大功率放大器
公开(公告)号：US20070194853A1
公开(公告)日：2007-08-23
申请号：US10591173
申请日：2004-07-14
申请人： Kazutomi Mori , Shintaro Shinjo , Masaharu Hattori , Kazunori Takahashi , Hiroaki Seki , Akira Ohta , Noriharu Suematsu
发明人： Kazutomi Mori , Shintaro Shinjo , Masaharu Hattori , Kazunori Takahashi , Hiroaki Seki , Akira Ohta , Noriharu Suematsu
IPC分类号： H03F3/191
CPC分类号： H03F1/56 , H03F1/0261 , H03F3/191 , H03F3/24 , H03F2200/15 , H03F2200/18 , H03F2200/222 , H03F2200/249 , H03F2200/318 , H03F2200/387 , H03F2200/391 , H03F2200/417 , H03F2200/451 , H03H7/38
摘要： A high-power amplifier changes matching conditions of an output matching circuit 5 connected between a final stage amplifying element 3 and an output terminal 8 in response to the output power of the amplifying element 3. Thus, the efficiency at low output power can be greatly improved without reducing the efficiency at the maximum output. Besides, since it is not necessary to load a DC-DC converter, an increase in size or cost can be prevented.
摘要翻译：响应于放大元件3的输出功率，高功率放大器改变连接在最后级放大元件3和输出端子8之间的输出匹配电路5的匹配条件。因此，在不降低最大输出效率的情况下，可以大大提高低输出功率下的效率。此外，由于不需要加载DC-DC转换器，因此可以防止尺寸或成本的增加。

7. 发明授权

US06750720B1 High-frequency amplifier 失效
标题翻译：高频放大器
公开(公告)号：US06750720B1
公开(公告)日：2004-06-15
申请号：US10149390
申请日：2002-06-12
申请人： Kazutomi Mori , Shintarou Shinjo , Hiroyuki Joba , Yoshinori Takahashi , Yukio Ikeda , Tadashi Takagi
发明人： Kazutomi Mori , Shintarou Shinjo , Hiroyuki Joba , Yoshinori Takahashi , Yukio Ikeda , Tadashi Takagi
IPC分类号： H03F304
CPC分类号： H03F1/0261 , H03F1/302 , H03F3/19 , H03F3/343
摘要： Between resistors 13, 14 and an NPN bipolar transistor 12 are interposed PNP bipolar transistors 21, 22 forming a current mirror 20 that uses a collector current of the NPN bipolar transistor 12 as a reference current, and determines a collector current of an NPN bipolar transistor 11. This makes possible to design a size ratio A of the PNP bipolar transistors 21, 22 so as to approximate a voltage drop &Dgr;Vb to a value close to zero, and to suppress the voltage drop &Dgr;Vb of the base voltage Vb accordingly to achieve a high power output and high efficiency when a high frequency input signal Pin increases and generates a base rectified current.
摘要翻译：在电阻器13,14和NPN双极晶体管12之间插入形成使用NPN双极晶体管12的集电极电流作为参考电流的电流镜20的PNP双极晶体管21,22，并且确定NPN双极晶体管的集电极电流这使得可以设计PNP双极晶体管21,22的尺寸比A，以将电压降ΔVV近似为接近于零的值，并且相应地抑制基极电压Vb的电压降DeltaVb以实现当高频输入信号Pin增加并产生基极整流电流时，高功率输出和高效率。

8. 发明授权

US06861906B2 High-frequency semiconductor device 有权
标题翻译：高频半导体器件
公开(公告)号：US06861906B2
公开(公告)日：2005-03-01
申请号：US10204446
申请日：2001-05-11
申请人： Kazutomi Mori , Shintaro Shinjo , Kousei Maemura , Teruyuki Shimura , Kazuhiko Nakahara , Tadashi Takagi
发明人： Kazutomi Mori , Shintaro Shinjo , Kousei Maemura , Teruyuki Shimura , Kazuhiko Nakahara , Tadashi Takagi
IPC分类号： H01L27/06 , H03F3/19 , H03F3/21 , H03F3/68
CPC分类号： H01L27/0605 , H03F3/19 , H03F3/211 , H03F2203/21178
摘要： A high-frequency semiconductor device according to the present invention achieves improvements in degradation of noise characteristics and a reduction in gain, and an improvement in reduction in power efficiency while suppressing a concentration of a current to multifinger HBTs. In the multifinger HBTs constituting a first stage and an output stage of an amplifier 10, basic HBTs 14 that constitute the multifinger HBT 12 corresponding to the first stage, are each made up of an HBT 14a and an emitter resistor 14b connected to the corresponding emitter of the HBT 14a, whereas basic HBTs 18 that constitute the multifinger HBT 16 corresponding to the output stage, are each comprised of an HBT 18a and a base resistor 18c connected to the corresponding base of the HBT 18a. The high-frequency semiconductor device according to the present invention is useful as a high output power amplifier used in satellite communications, ground microwave communications, mobile communications, etc.
摘要翻译：根据本发明的高频半导体器件实现了噪声特性的降低和增益的降低的改善，并且在抑制电流到多焦HBT的浓度的同时，提高了功率效率的降低。在构成放大器10的第一级和输出级的多画面HBT中，构成对应于第一级的多画面HBT 12的基本HBT 14分别由连接到相应发射极的HBT 14a和发射极电阻14b组成而构成与输出级相对应的多功能HBT16的基本HBT 18分别由连接到HBT 18a的相应基座的HBT 18a和基极电阻18c组成。根据本发明的高频半导体器件可用作卫星通信，地面微波通信，移动通信等中使用的高输出功率放大器。

9. 发明授权

US08914068B2 Array antenna apparatus 有权
标题翻译：阵列天线装置
公开(公告)号：US08914068B2
公开(公告)日：2014-12-16
申请号：US13581507
申请日：2011-02-22
申请人： Ryoji Hayashi , Yoshihito Hirano , Kiyohide Sakai , Mitsuhiro Shimozawa , Akira Inoue , Morishige Hieda , Hiroyuki Joba , Kenichi Tajima , Yoshinori Takahashi , Kazutomi Mori , Tomohiro Akiyama
发明人： Ryoji Hayashi , Yoshihito Hirano , Kiyohide Sakai , Mitsuhiro Shimozawa , Akira Inoue , Morishige Hieda , Hiroyuki Joba , Kenichi Tajima , Yoshinori Takahashi , Kazutomi Mori , Tomohiro Akiyama
IPC分类号： H04M1/00 , H01Q3/42 , H04B17/00 , H01Q3/30 , H01Q21/00
CPC分类号： H01Q3/42 , H01Q3/30 , H01Q21/0025 , H04B17/0085
摘要： An array antenna apparatus in which an SN ratio is improved. Antenna elements having transmission modules, respectively, are arranged in plurality, wherein the plurality of transmission modules respectively have transmission signal generators that each output a transmission intermediate frequency signal, local oscillation signal generators that each output a local oscillation signal, and transmission mixers that each mix the transmission intermediate frequency signal and the local oscillation signal with each other, thereby to carry out frequency conversion to a transmission high frequency signal. A reference signal source inputs a reference signal to the transmission signal generators and the local oscillation signal generators. The transmission intermediate frequency signal and the local oscillation signal are synchronized with each other by the reference signal.
摘要翻译：提高SN比的阵列天线装置。分别具有发送模块的天线元件分别配置有多个发送模块，其中，所述多个发送模块分别具有各自输出发送中频信号的发送信号发生器，各自输出本地振荡信号的本地振荡信号发生器以及各自输出本地振荡信号的发送混频器将发送中频信号和本地振荡信号彼此混合，从而对发送高频信号进行频率转换。参考信号源将参考信号输入到发送信号发生器和本地振荡信号发生器。发送中频信号和本地振荡信号通过参考信号彼此同步。

10. 发明授权

US08774737B2 Transmission module and phased array antenna apparatus 失效
标题翻译：传输模块和相控阵天线装置
公开(公告)号：US08774737B2
公开(公告)日：2014-07-08
申请号：US13582237
申请日：2010-03-04
申请人： Kazutomi Mori , Hiroyuki Joba , Yoshinori Takahashi , Tomohiro Akiyama , Ryoji Hayashi , Mitsuhiro Shimozawa , Akira Inoue , Morishige Hieda , Kiyohide Sakai , Yoshihito Hirano
发明人： Kazutomi Mori , Hiroyuki Joba , Yoshinori Takahashi , Tomohiro Akiyama , Ryoji Hayashi , Mitsuhiro Shimozawa , Akira Inoue , Morishige Hieda , Kiyohide Sakai , Yoshihito Hirano
IPC分类号： H04B1/04 , H01Q11/12 , H03F1/32 , H03F1/02 , H03G3/00 , H03G3/30
CPC分类号： H03F1/3247 , H01Q3/26 , H01Q3/267 , H03F1/02 , H03F1/0211 , H03F1/0227 , H03F1/0238 , H03F3/24 , H03F2200/211 , H03F2200/411 , H03F2200/451 , H03G3/004 , H03G3/3042 , H04B1/0483 , H04B17/13 , H04B2001/045
摘要： A transmission module including a power supply voltage control unit that sets a power supply voltage to the high frequency amplifier in a variable manner, and a control circuit that controls an amplitude control unit, a phase control unit and the power supply voltage control unit. The control circuit and the power supply voltage control unit control the power supply voltage in accordance with an output power of the high frequency amplifier. The transmission module can carry out not only phase control but also amplitude control in a continuous manner, while suppressing amplitude and phase variation, and a high frequency amplifier in the transmission module is made highly efficient. In addition, a large directional gain, a low side lobe level and a low power consumption are achieved, as a phased array antenna apparatus using a transmission module.
摘要翻译：一种传输模块，包括以可变方式设置高频放大器的电源电压的电源电压控制单元和控制振幅控制单元，相位控制单元和电源电压控制单元的控制电路。控制电路和电源电压控制单元根据高频放大器的输出功率来控制电源电压。传输模块不仅可以在抑制幅度和相位变化的同时进行相位控制，而且可以连续进行幅度控制，并且使传输模块中的高频放大器高效。此外，作为使用传输模块的相控阵天线装置，实现了大的方向增益，低旁瓣电平和低功耗。

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