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

US5184096A Parallel connection multi-stage band-pass filter comprising resonators with impedance matching means capacitively coupled to input and output terminals 失效
标题翻译：并联连接多级带通滤波器，包括具有电阻耦合到输入和输出端子的阻抗匹配装置的谐振器
公开(公告)号：US5184096A
公开(公告)日：1993-02-02
申请号：US750614
申请日：1991-08-27
申请人： Kikuo Wakino , Toshio Hishikawa , Youhei Ishikawa , Koichi Takehara , Toru Tanizaki
发明人： Kikuo Wakino , Toshio Hishikawa , Youhei Ishikawa , Koichi Takehara , Toru Tanizaki
IPC分类号： H03H7/01
CPC分类号： H03H7/0115
摘要： A parallel connection multi-stage band-pass filter including an input terminal and an output terminal for signals, a plurality of resonators respectively having resonator frequencies different from and close to one another which are electrically connected in parallel to each other between said input and output terminals.
摘要翻译：一种并联连接多级带通滤波器，包括输入端和信号用输出端，多个谐振器分别具有彼此不同并且接近彼此的谐振器频率，它们在所述输入和输出之间彼此并联电连接终端。

2. 发明授权

US5097236A Parallel connection multi-stage band-pass filter 失效
标题翻译：并联连接多级带通滤波器
公开(公告)号：US5097236A
公开(公告)日：1992-03-17
申请号：US517248
申请日：1990-05-01
申请人： Kikuo Wakino , Toshio Nishikawa , Youhei Ishikawa , Koichi Takehara , Toru Tanizaki
发明人： Kikuo Wakino , Toshio Nishikawa , Youhei Ishikawa , Koichi Takehara , Toru Tanizaki
IPC分类号： H01P1/20 , H01P1/203 , H01P1/205 , H01P1/213 , H03H7/01
CPC分类号： H03H7/0115
摘要： A parallel connection multi-stage band-pass filter including an input terminal and an output terminal for signals, a plurality of resonators respectively having resonator frequencies different from and close to one another which are electrically connected in parallel to each other between said input and output terminals.

3. 发明授权

US4902991A Radio frequency signal combining/sorting device 失效
标题翻译：射频信号组合/分选装置
公开(公告)号：US4902991A
公开(公告)日：1990-02-20
申请号：US166111
申请日：1988-03-10
申请人： Youhei Ishikawa , Hidekazu Wada , Koichi Takehara , Shigeji Arakawa , Toru Tanizaki
发明人： Youhei Ishikawa , Hidekazu Wada , Koichi Takehara , Shigeji Arakawa , Toru Tanizaki
IPC分类号： H01P1/213 , H01P5/103
CPC分类号： H01P5/103 , H01P1/2138
摘要： A radio frequency signal combining/sorting device which includes a plurality of filters, and a duplexer device connected to one side of input/output sides of each of the filters for combining/sorting signals, and is characterized in that there is provided a coupling device formed at the input/output ends of the filter connected side of the duplexer means device, with the filters being formed, at their side connected to the duplexer device, with openings for receiving the coupling device.
摘要翻译：一种包括多个滤波器的射频信号组合/分类装置和连接到每个滤波器的输入/输出侧的一侧的双工器装置，用于组合/分类信号，其特征在于，提供一种耦合装置形成在双工器装置的滤波器连接侧的输入/输出端，滤波器在其连接到双工器装置的一侧形成有用于接收耦合装置的开口。

4. 发明授权

US4623857A Dielectric resonator device 失效
标题翻译：介质谐振器装置
公开(公告)号：US4623857A
公开(公告)日：1986-11-18
申请号：US812235
申请日：1985-12-23
申请人： Toshio Nishikawa , Youhei Ishikawa , Hidekazu Wada , Koichi Takehara
发明人： Toshio Nishikawa , Youhei Ishikawa , Hidekazu Wada , Koichi Takehara
IPC分类号： H01P1/208 , H01P7/10 , H01P7/06
CPC分类号： H01P1/2086
摘要： A dielectric resonator device which includes dielectric resonators constituted by a rectangular cavity shield casing and a composite dielectric structure formed by three dielectric members intersecting at right angles with each other to be combined into one unit and disposed in the rectangular cavity shield casing to provide three resonances by TM.sub.110 modes or modified modes thereof which are utilized by the dielectric resonators, and an external coupling device for coupling the dielectric resonators with external circuits.
摘要翻译：一种介质谐振器装置，其包括由矩形空腔屏蔽壳体构成的介质谐振器和由彼此成直角相交的三个电介质构件形成的复合电介质结构，以组合成一个单元并且设置在矩形空腔屏蔽壳体中以提供三个谐振由介质谐振器利用的TM110模式或其修改模式，以及用于将介质谐振器与外部电路耦合的外部耦合装置。

5. 发明授权

US5229729A Radio frequency signal combining/sorting apparatus 失效
标题翻译：射频信号组合/分类装置
公开(公告)号：US5229729A
公开(公告)日：1993-07-20
申请号：US913772
申请日：1992-07-13
申请人： Toshio Nishikawa , Youhei Ishikawa , Koichi Takehara
发明人： Toshio Nishikawa , Youhei Ishikawa , Koichi Takehara
IPC分类号： H01P1/213 , H01P7/10
CPC分类号： H01P7/10 , H01P1/2138
摘要： A radio frequency signal combining/sorting apparatus which includes a plurality of channel filters which allow band regions of respective transmission channels to pass through them, isolators connected to respective inputs of the channel filters, a plurality of sets of power composing circuits each including branch lines for composing outputs of the channel filters into one output, and hybrid circuits arranged to each compose the outputs per two sets of the power composing circuits. The band regions to be applied to the respective channel filters are selected in such relation that the band regions of the respective channel filters corresponding to a given power composing circuit are spaced from each other to the largest possible extent.
摘要翻译：一种射频信号组合/分类装置，其包括允许各个传输信道的频带区域通过它们的多个信道滤波器，连接到信道滤波器的相应输入端的隔离器，多组功率合成电路，每组包括分支线路用于将信道滤波器的输出组合成一个输出，以及混合电路，每个组合电路组合每两组功率合成电路的输出。选择要施加到各个信道滤波器的频带区域，使得对应于给定功率合成电路的各个信道滤波器的频带区域以最大可能的程度相互间隔开。

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