专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

101. 发明授权

US07539464B2 Power series type predistorter for multi-frequency bands operation 失效
标题翻译：用于多频段操作的电源系列预失真器
公开(公告)号：US07539464B2
公开(公告)日：2009-05-26
申请号：US11446381
申请日：2006-06-05
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H04B1/04
CPC分类号： H03F1/3258 , H03F2200/111
摘要： A power series type predistorter for multi-frequency bands includes a linear transmission path PL provided with a delay element 5 and distortion generating paths PD1 and PD2 for a plurality of frequency bands in parallel; wherein each of the distortion generating paths PD1 and PD2 for a plurality of frequency bands includes variable band signal extractors 111 and 112 for extracting a signal in each frequency band from input signals and distortion generators 131a and 132a which is provided with the extracted signals and which generates at least one of the odd number distortion components of the signals and making it as an output from the distortion generating paths PD1 and PD2 for frequency bands; and wherein the frequency band controller 6 controls frequency bands of the variable band signal extractors 111 and 112.
摘要翻译：用于多频段的功率系列型预失真器包括：具有延迟元件5的线性传输路径PL和并行的多个频带的失真产生路径PD1和PD2; 其中用于多个频带的每个失真产生路径PD1和PD2包括可变频带信号提取器111和112，用于从输入信号和失真产生器131a和132a中提取每个频带的信号，并提供所提取的信号，以及哪个产生信号的奇数失真分量中的至少一个，并将其作为来自用于频带的失真产生路径PD1和PD2的输出; 并且其中频带控制器6控制可变频带信号提取器111和112的频带。

102. 发明申请

US20080238578A1 COPLANAR WAVEGUIDE RESONATOR AND COPLANAR WAVEGUIDE FILTER USING THE SAME 有权
标题翻译：共振波形谐振器和共振波导滤波器使用相同
公开(公告)号：US20080238578A1
公开(公告)日：2008-10-02
申请号：US12057471
申请日：2008-03-28
申请人： Kei Satoh , Daisuke Koizumi , Shoichi Narahashi
发明人： Kei Satoh , Daisuke Koizumi , Shoichi Narahashi
IPC分类号： H01P1/20
CPC分类号： H01P1/2013
摘要： A coplanar waveguide resonator (100a) has a center conductor (101) formed on a dielectric substrate (105) that has a line conductor (a center line conductor) (101b) extending in the input/output direction, a ground conductor (103) that is disposed on the dielectric substrate (105) across a gap section from the center conductor (101), and a line conductor (a base stub) (104) formed as an extension line from the ground conductor (103), and a part of the base stub (104) constitutes a line conductor (a first collateral line conductor) (104a) disposed in parallel with the center line conductor (101b).
摘要翻译：共平面波导谐振器（100a）具有形成在电介质基板（105）上的中心导体（101），该导电体具有沿输入/输出方向延伸的线路导体（中心线导体）（101b），接地导体（101）的间隙部分设置在电介质基板（105）上的线路导体（基底短截线）（104），以及从接地导体（103）形成为延伸线的线路导体（基底短截线）基座（104）的一部分构成与中心线导体（101b）平行配置的线路导体（第一侧线导体）（104a）。

103. 发明授权

US07403070B2 Band selection type feed forward amplifier 失效
标题翻译：频段选择型前馈放大器
公开(公告)号：US07403070B2
公开(公告)日：2008-07-22
申请号：US11445402
申请日：2006-06-02
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H03F1/26
CPC分类号： H03F1/3223
摘要： The present invention has for its object to provide, in an environment where plural radio systems coexist, a feed forward amplifier capable of adaptively selecting a frequency band. The feed forward amplifier of the present invention comprises a distortion detection circuit and a distortion elimination circuit and has n first vector adjusters 4 which have different operating frequency bands and are inserted in a first vector adjustment path 14 of the distortion detection circuit; and n second vector adjusters 11 which have frequency bands corresponding to those of first vector adjusters 4 and are inserted in a second vector adjustment path 8 of the distortion elimination circuit. By means of a first switching means 3 selecting one first vector adjuster 4 and a second switching means 10 selecting a second vector adjuster 11, the frequency band for which distortion component is compensated in the feed forward amplifier is controlled by switching.
摘要翻译：本发明的目的是在多个无线电系统共存的环境中提供能够自适应地选择频带的前馈放大器。本发明的前馈放大器包括失真检测电路和失真消除电路，并且具有n个第一矢量调整器4，其具有不同的工作频带并插入到失真检测电路的第一矢量调节路径14中; 和n个第二矢量调整器11，其具有与第一矢量调节器4的频带对应的频带，并被插入到失真消除电路的第二矢量调整路径8中。通过选择一个第一矢量调节器4和选择第二矢量调节器11的第二切换装置10的第一切换装置3，通过切换来控制在前馈放大器中补偿失真分量的频带。

104. 发明授权

US07307045B2 Signal switching device 有权
标题翻译：信号开关装置
公开(公告)号：US07307045B2
公开(公告)日：2007-12-11
申请号：US10702573
申请日：2003-11-07
申请人： Kunihiro Kawai , Daisuke Koizumi , Kei Satoh , Shoichi Narahashi , Tetsuo Hirota
发明人： Kunihiro Kawai , Daisuke Koizumi , Kei Satoh , Shoichi Narahashi , Tetsuo Hirota
IPC分类号： H01B12/02 , H01L39/12 , H04B1/00
CPC分类号： H01P1/127 , H01P1/15 , Y10S505/701 , Y10S505/703 , Y10S505/856 , Y10S505/866
摘要： A signal switching device is disclosed that is capable of transmitting signals with less signal loss while securing a good isolation characteristic. The signal switching device includes a first section formed from a superconducting material connected to a first transmission path. The first section has a smaller cross section at the input end than at the output end or, the signal switching device may include a first section formed from a superconducting material connected to a first transmission path in series, and a second section formed from a superconducting material connected to a second transmission path in parallel. The cross section of the second section is smaller than that of the second transmission path. The length of the second transmission path is determined in such a way that an input impedance of the second transmission path is sufficiently large when the second section is in a superconducting state.
摘要翻译：公开了一种信号切换装置，其能够在确保良好隔离特性的同时传输信号损失较少的信号。信号切换装置包括由连接到第一传输路径的超导材料形成的第一部分。第一部分在输入端处具有比在输出端处更小的横截面，或者信号切换装置可以包括由连接到串联的第一传输路径的超导材料形成的第一部分，以及由超导连接到第二传输路径的材料并联。第二部分的横截面小于第二传输路径的横截面。第二传输路径的长度被确定为当第二部分处于超导状态时第二传输路径的输入阻抗足够大。

105. 发明授权

US07245195B2 Coplanar waveguide filter and method of forming same 有权
标题翻译：共面波导滤波器及其形成方法
公开(公告)号：US07245195B2
公开(公告)日：2007-07-17
申请号：US11046923
申请日：2005-02-01
申请人： Kei Satoh , Shoichi Narahashi , Tetsuo Hirota , Yasushi Yamao
发明人： Kei Satoh , Shoichi Narahashi , Tetsuo Hirota , Yasushi Yamao
IPC分类号： H01P1/20 , H01P3/08
CPC分类号： H01P1/2013
摘要： A plurality of one-quarter wavelength coplanar resonators 5a to 5d are formed in series on a dielectric substrate 1, and coplanar input/output terminal sections 4a and 4b are formed on the dielectric substrate at opposite ends of the series connection for coupling with resonators 5a and 5d, respectively. A center conductor line width w1 of each of the resonators 5a to 5d is equal to a center conductor line width wio of each of the input/output terminal section 4a and 4b, but a ground conductor spacing d1 of each of the resonators 5a to 5d is greater than a ground conductor spacing dio of each of input/output terminal section 4a and 4b. Maintaining the accuracy of design is facilitated and a reduction in the maximum current density in the resonator is enabled.
摘要翻译：在电介质基板1上串联形成多个四分之一波长的共面谐振器5a至5d，并且在串联连接的相对端的电介质基板上形成共面输入输出端子部分4a和4b，分别与谐振器5a和5d耦合。每个谐振器5a至5d的中心导体线宽度W 1 N 1等于每个输入/输出端子部分的中心导体线宽度w IN 如图4A和4B所示，但是每个谐振器5a至5d的接地导体间隔d 1 SUB大于每个输入端的接地导体间距d i /输出端子部分4a和4b。维护设计的精度便于实现谐振器中最大电流密度的降低。

106. 发明申请

US20060273853A1 Feed forward amplifier for multiple frequency bands 失效
标题翻译：前馈放大器用于多个频段
公开(公告)号：US20060273853A1
公开(公告)日：2006-12-07
申请号：US11445183
申请日：2006-06-02
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H03F1/00
CPC分类号： H03F1/3229
摘要： The present invention has for its object to provide, in an environment where plural radio systems coexist, a feed forward amplifier for multiple frequency bands, capable of adaptively selecting the frequency band which is used. The feed forward amplifier of the present invention comprises a distortion detection circuit and a distortion elimination circuit and has first and second variable frequency band extractors 25a and 25b provided in series with respective vector adjustment paths 21a and 21b. Also, the feed forward amplifier comprises a frequency band controller which varies the frequency band of variable frequency band extractors 25a and 25b and has been designed, by changing the frequency band of first and second variable frequency band extractors 25a and 25b in response to a frequency switching request from the outside, to be able to adaptively control the frequency band in which distortion is compensated.
摘要翻译：本发明的目的是在多个无线电系统共存的环境中提供能够自适应地选择所使用的频带的多个频带的前馈放大器。本发明的前馈放大器包括失真检测电路和失真消除电路，并且具有与各个矢量调节路径21a和21b串联设置的第一和第二可变频带提取器25a和25b。此外，前馈放大器包括频带控制器，其改变可变频带提取器25a和25b的频带，并且已经通过改变第一和第二可变频带提取器25a和25b的频带来设计响应来自外部的频率切换请求，能够自适应地控制失真被补偿的频带。

107. 发明授权

US07126422B2 Multi-band feed-forward amplifier and adjustment method therefor 有权
标题翻译：多频带前馈放大器及其调整方法
公开(公告)号：US07126422B2
公开(公告)日：2006-10-24
申请号：US11043638
申请日：2005-01-27
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H03F1/00
CPC分类号： H03F1/3223
摘要： A multi-band feed-forward amplifier is formed by: a dividing part for dividing and applying an input signal containing signals of multiple frequency bands to a linear signal path and N vector adjustment paths of a distortion detecting circuit; frequency band signal extractors provided in the N vector adjustment paths, respectively, for extracting signals of N frequency bands; N vector adjusters for adjusting the vectors of the output signals from the respective frequency band signal extractors; a main amplifier for amplifying the output signals from the N vector adjusters; a combining/dividing part for combining the amplified signals and the signal from the linear signal path of the distortion detecting circuit and for dividing and applying the combined output to a linear signal path and N distortion injection paths of a distortion cancelling circuit; frequency band signal extractors provided in the N distortion injection paths, respectively, for extracting the signals of the N frequency bands; vector adjusters for adjusting the vectors of signals separated into the N frequency bands; an auxiliary amplifying part for amplifying the vector-adjusted N signals; and a combining part for combining the amplified signals and the signal from the linear signal path of the distortion cancelling circuit.
摘要翻译：多频带前馈放大器通过以下部分形成：分割部分，将包含多个频带的信号的输入信号分割并施加到线性信号路径和失真检测电路的N个矢量调整路径; 提供在N个矢量调整路径中的用于提取N个频带的信号的频带信号提取器; N矢量调整器，用于调整来自相应频带信号提取器的输出信号的矢量; 用于放大来自N个矢量调节器的输出信号的主放大器; 组合/分割部分，用于组合放大的信号和来自失真检测电路的线性信号路径的信号，并将组合输出分频并施加到失真消除电路的线性信号路径和N个失真注入路径; 提供在N个失真注入路径中的频带信号提取器，用于提取N个频带的信号; 矢量调节器，用于调整分离成N个频带的信号矢量; 用于放大矢量调整的N信号的辅助放大部分; 以及组合部分，用于组合放大的信号和来自失真消除电路的线性信号路径的信号。

108. 发明申请

US20050163254A1 Multi-band feed-forward amplifier and adjustment method therefor 有权
标题翻译：多频带前馈放大器及其调整方法
公开(公告)号：US20050163254A1
公开(公告)日：2005-07-28
申请号：US11043638
申请日：2005-01-27
申请人： Yasunori Suzuki , Shoichi Narahashi
发明人： Yasunori Suzuki , Shoichi Narahashi
IPC分类号： H03F1/32 , H04L25/03
CPC分类号： H03F1/3223
摘要： A multi-band feed-forward amplifier is formed by: a dividing part for dividing and applying an input signal containing signals of multiple frequency bands to a linear signal path and N vector adjustment paths of a distortion detecting circuit; frequency band signal extractors provided in the N vector adjustment paths, respectively, for extracting signals of N frequency bands; N vector adjusters for adjusting the vectors of the output signals from the respective frequency band signal extractors; a main amplifier for amplifying the output signals from the N vector adjusters; a combining/dividing part for combining the amplified signals and the signal from the linear signal path of the distortion detecting circuit and for dividing and applying the combined output to a linear signal path and N distortion injection paths of a distortion cancelling circuit; frequency band signal extractors provided in the N distortion injection paths, respectively, for extracting the signals of the N frequency bands; vector adjusters for adjusting the vectors of signals separated into the N frequency bands; an auxiliary amplifying part for amplifying the vector-adjusted N signals; and a combining part for combining the amplified signals and the signal from the linear signal path of the distortion cancelling circuit.
摘要翻译：多频带前馈放大器通过以下部分形成：分割部分，将包含多个频带的信号的输入信号分割并施加到线性信号路径和失真检测电路的N个矢量调整路径; 提供在N个矢量调整路径中的用于提取N个频带的信号的频带信号提取器; N矢量调整器，用于调整来自相应频带信号提取器的输出信号的矢量; 用于放大来自N个矢量调节器的输出信号的主放大器; 组合/分割部分，用于组合放大的信号和来自失真检测电路的线性信号路径的信号，并将组合输出分频并施加到失真消除电路的线性信号路径和N个失真注入路径; 提供在N个失真注入路径中的频带信号提取器，用于提取N个频带的信号; 矢量调节器，用于调整分离成N个频带的信号矢量; 用于放大矢量调整的N信号的辅助放大部分; 以及组合部分，用于组合放大的信号和来自失真消除电路的线性信号路径的信号。

109. 发明申请

US20050088259A1 Coplanar waveguide resonator 失效
标题翻译：共面波导谐振器
公开(公告)号：US20050088259A1
公开(公告)日：2005-04-28
申请号：US10934463
申请日：2004-09-07
申请人： Kei Satoh , Shoichi Narahashi , Daisuke Koizumi , Yasushi Yamao
发明人： Kei Satoh , Shoichi Narahashi , Daisuke Koizumi , Yasushi Yamao
IPC分类号： H01P7/08
CPC分类号： H01P7/086
摘要： Formed on a dielectric substrate 11 are a center conductor 12 having a length L1 which is equivalent in electrical length to one quarter wavelength and ground conductors 13 disposed on the opposite sides of the center conductor with a gap portion therebetween in coplanar manner. The center conductor 12 and the ground conductors 13 located on the opposite sides thereof are connected together by shorting ends 14 resulting in forming corner areas, respectively whereby obtaining a coplanar waveguide resonator, wherein the edge line of the shorting end 14 is recessed to have an arcuate curve configuration so that each corner area has an angle of greater than 90° to reduce power current concentration at the corner points in the respective corner areas.
摘要翻译：形成在电介质基板11上的中心导体12具有长度L 1，其长度与四分之一波长的电长度相当，并且接地导体13设置在中心导体的相对侧上，其中间隔部分之间具有共面的方式。位于其相对侧的中心导体12和接地导体13通过短路端14连接在一起，从而分别形成拐角区域，从而获得共面波导谐振器，其中短路端14的边缘线凹入以具有弧形曲线构造，使得每个拐角区域具有大于90°的角度，以减少各个拐角区域中角点处的功率电流集中。

110. 发明授权

US5166634A Feed-forward amplifier 失效
标题翻译：进给放大器
公开(公告)号：US5166634A
公开(公告)日：1992-11-24
申请号：US727987
申请日：1991-07-10
申请人： Shoichi Narahashi , Toshio Nojima , Makoto Maeta , Kazuaki Murota
发明人： Shoichi Narahashi , Toshio Nojima , Makoto Maeta , Kazuaki Murota
IPC分类号： H03F1/32
CPC分类号： H03F1/3235 , H03F2201/3212
摘要： In a feed-forward amplifier which has an error detection circuit for detecting a nonlinear distortion component of a main amplifier and an error rejection circuit for amplifying the detected distortion component by an auxiliary amplifier and injecting it into the main amplifier to cancel an error component, a first pilot signal is injected into a signal input path and a second pilot signal is injected into a signal amplification path of the error detection circuit. A first variable attenuator and a first variable phase shifter of the error detection circuit are adjusted by a control circuit so that the level of the first pilot signal component on an error injection path of the error rejection circuit decreases to minimum. A second variable attenuator and a second variable phase shifter of the error rejection circuit are adjusted by the control circuit so that the level of the second pilot signal component on a signal output path decreases to a minimum. The first pilot signal component which appears on the signal output path is rejected by a filter or cancelled by supplying the error injection path or signal output path with the first pilot signal after adjusting its amplitude and phase. Alternatively, the frequency of the first pilot signal to be injected into the signal input path is spread to lower the level of the first pilot signal per unit spectrum which appears on the signal output path.

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