专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US6122489A Dielectric filter having capacitive coupling windows between resonators, and transceiver using the dielectric filter 失效
标题翻译：在谐振器之间具有电容耦合窗的介质滤波器，以及使用介质滤波器的收发器
公开(公告)号：US6122489A
公开(公告)日：2000-09-19
申请号：US426287
申请日：1995-04-21
申请人： Tadahiro Yorita
发明人： Tadahiro Yorita
IPC分类号： H01P1/205 , H01P1/213 , H01P5/08 , H01P7/04 , H04B1/40 , H04B1/52 , H01P1/201
CPC分类号： H01P1/2053 , H04B1/525 , H04B1/52
摘要： A dielectric filter in which the resonant frequency of each resonator and the degree of coupling between resonators can be adjusted independently. The dielectric filter includes first and second dielectric blocks, each having a through bore. The dielectric blocks, including the bores, are covered with a conductive film to define respective dielectric resonators whose electric energy component varies in the direction of an axis of the through bore. A first isolated coupling electrode is formed on the first dielectric block for coupling an input signal to the first dielectric resonator. A second isolated coupling electrode is formed on the first dielectric block in a location with a relatively high electric energy component so that electric energy exits the first dielectric block via the second coupling electrode. The second dielectric block has a third isolated coupling electrode at a location corresponding to the second coupling electrode such that electric energy leaving enters the second dielectric block via the third coupling electrode and sets up an electromagnetic field in the second dielectric block whose electric energy component varies in the direction of the through bore of the second dielectric block. A fourth isolated coupling electrode is formed on the second dielectric block at a location with a relatively high resonant electric energy component such that electric energy leaves the dielectric block via the fourth coupling electrode.
摘要翻译：可以独立地调节每个谐振器的谐振频率和谐振器之间的耦合度的介质滤波器。介质滤波器包括第一和第二介质块，每个具有通孔。包括孔的介质块被导电膜覆盖以限定各自的电能分量在通孔的轴线方向上变化的介电谐振器。第一隔离耦合电极形成在第一介质块上，用于将输入信号耦合到第一介质谐振器。第二隔离耦合电极在具有较高电能分量的位置上形成在第一介质块上，使得电能经由第二耦合电极离开第一介质块。第二介质块在对应于第二耦合电极的位置处具有第三隔离耦合电极，使得离开的电能经由第三耦合电极进入第二介电块，并且在电能分量变化的第二介质块中建立电磁场在第二介质块的通孔的方向上。第四隔离耦合电极在具有较高谐振电能分量的位置上形成在第二介质块上，使得电能经由第四耦合电极离开介质块。

32. 发明授权

US5949308A Dielectric filter and method of regulating its frequency bandwidth via at least one insulation gap 失效
标题翻译：介质滤波器和通过至少一个绝缘间隙来调节其频率带宽的方法
公开(公告)号：US5949308A
公开(公告)日：1999-09-07
申请号：US595067
申请日：1996-02-01
申请人： Seigo Hino
发明人： Seigo Hino
IPC分类号： H01P1/205 , H01P5/08 , H01P1/201
CPC分类号： H01P1/2056
摘要： There are provided a dielectric filter that shows a large effective bandwidth and a method of regulating the frequency bandwidth of a dielectric filter in order to achieve a large effective bandwidth, in which the dielectric filter comprises a dielectric ceramic block provided with three or more resonators arranged in parallel with each other and formed by respective resonant conductors, capacitive electrodes are provided at a position close to an electrically open-circuit end surface on one of four lateral surfaces of the dielectric ceramic block to respectively lie over the adjacently disposed resonant conductors, and a shield electrode provided on the lateral surface is partly removed at a position bordering the open-circuit end surface where the capacitive electrodes are located in order to form an insulation gap having a predetermined width.
摘要翻译：提供了显示大的有效带宽的介质滤波器和调节介质滤波器的频率带宽的方法，以便实现大的有效带宽，其中介质滤波器包括设置有三个或更多个谐振器的介质陶瓷块，彼此并联并由相应的谐振导体形成，电容电极设置在电介质陶瓷块的四个侧表面之一附近靠近电开路端面的位置，分别位于相邻布置的谐振导体上，以及设置在侧面上的屏蔽电极在与电容电极所在的开路端面相邻的位置被部分去除，以便形成具有预定宽度的绝缘间隙。

33. 发明授权

US5616540A Electromagnetic resonant filter comprising cylindrically curved split ring resonators 失效
标题翻译：电磁谐振滤波器，包括圆柱形弯曲的分裂环谐振器
公开(公告)号：US5616540A
公开(公告)日：1997-04-01
申请号：US349060
申请日：1994-12-02
申请人： Robert D. Lithgow , James M. Peters
发明人： Robert D. Lithgow , James M. Peters
IPC分类号： H01P1/207 , H01P1/208 , H01P7/06 , H01P1/201 , H01B12/06 , H01P7/00
CPC分类号： H01P1/208 , Y10S505/70 , Y10S505/866
摘要： A filter for processing electromagnetic signals has a housing with resonators located inside the cavity of that housing. The resonators, which may be made in part from superconducting material, have rounded exterior surfaces without corners to provide a more desirable coating surface and uniform electric field around the resonators. The filter housing may be composed of a plurality of housing cells, each containing a resonator. These cells can be removably attached to other cells so that resonators may be added to or removed from the filter as may be required for a particular application.
摘要翻译：用于处理电磁信号的滤波器具有壳体，谐振器位于该壳体的空腔内。可以部分由超导材料制成的谐振器具有无角的圆形外表面，以在谐振器周围提供更理想的涂层表面和均匀的电场。过滤器壳体可以由多个壳体单元组成，每个壳体单元包含谐振器。这些电池可以可移除地附接到其它电池，使得谐振器可以被添加到滤波器或从特定应用所需的滤波器。

34. 发明授权

US4692724A High power tunable filter 失效
标题翻译：大功率可调谐滤波器
公开(公告)号：US4692724A
公开(公告)日：1987-09-08
申请号：US789669
申请日：1985-10-21
申请人： Mark A. Harris
发明人： Mark A. Harris
IPC分类号： H01P1/201 , H03K17/04 , H03K17/615 , H03K17/66 , H01P1/20 , H01P1/203
CPC分类号： H03K17/666 , H01P1/201 , H03K17/04 , H03K17/615
摘要： A high power tunable filter, for use in a frequency hopping system, is described and includes a transmission line having an input for receiving a high power level input signal to be filtered, and an output. The filter includes a plurality of resonators, each parallel-coupled to the transmission line, and driven by an associated electronic tuning network. Each of the electronic tuning networks includes a plurality of tunable reactive elements and PIN diodes, each PIN diode connected to one of the tunable reactive elements to enable this diode to connect its associated tunable reactive element in and out of the tuning network, thereby controlling the resonant frequency of the resonator associated with the tuning network. An electronic control circuit is also provided for controlling the frequency of the tunable filter. The electronic control circuit includes appropriate input circuitry for entering a desired frequency of the tunable filter, and an addressable look-up table responsive to the input circuitry for converting the desired frequency into a unique binary codeword. Switch drive circuits are also provided, responsive to the bits of the binary codeword, for controlling the operational states of the PIN diodes.
摘要翻译：描述了用于跳频系统的大功率可调谐滤波器，并且包括具有用于接收要被滤波的高功率电平输入信号的输入端和输出端的传输线。滤波器包括多个谐振器，每个谐振器并联耦合到传输线，并由相关联的电子调谐网络驱动。每个电子调谐网络包括多个可调谐无功元件和PIN二极管，每个PIN二极管连接到可调谐无功元件中的一个，以使得该二极管能够将其相关联的可调谐无功元件连接到调谐网络中和从调谐网络中传出，从而控制与调谐网络相关联的谐振器的谐振频率。还提供了用于控制可调滤波器的频率的电子控制电路。电子控制电路包括用于输入可调滤波器的期望频率的适当输入电路，以及响应于输入电路的可寻址查找表，用于将所需频率转换成唯一的二进制码字。还提供响应于二进制码字的位的开关驱动电路，用于控制PIN二极管的操作状态。

35. 发明授权

US4683450A Line with distributed low-pass filter section wherein spurious signals are attenuated 失效
标题翻译：具有分散低通滤波器部分的线路，其中寄生信号被衰减
公开(公告)号：US4683450A
公开(公告)日：1987-07-28
申请号：US509217
申请日：1983-06-29
申请人： Jean-Joseph Max , Arvind Shah
发明人： Jean-Joseph Max , Arvind Shah
IPC分类号： H01B11/12 , H01B11/18 , H01P1/202 , H01P1/201
CPC分类号： H01P1/202 , H01B11/12 , H01B11/1895
摘要： For suppression of high-frequency spurious signals (noise) present on an electrical transmission line, the line incorporates at least one section comprising a distributed low-pass filter. This section is constructed so that its wave impedance (Z.sub.1) has a different value than the wave impedance (Z.sub.0) of the neighboring line sections. This filter line section additionally provides considerable dielectric losses and/or skin effect losses. At both ends of the filter line section, at which the wave impedance changes, multiple reflections arise that attenuate the high-frequency spurious signals (noise). The dielectric or skin effect losses produce strong attenuation of the undesired resonances that arise from the reflections, as well as further attenuation of spurious signals in the highest frequency region.
摘要翻译：为了抑制存在于电传输线路上的高频杂散信号（噪声），该线路包括至少一个包括分布式低通滤波器的部分。该部分被构造成使得其波阻抗（Z1）具有与相邻线段的波阻抗（Z0）不同的值。该滤波器线路部分另外提供相当大的介电损耗和/或皮肤效应损耗。在波形阻抗变化的滤波器线路部分的两端，会产生衰减高频杂散信号（噪声）的多次反射。电介质或皮肤效应损失会产生由反射产生的不需要的共振的强衰减，以及在最高频率区域中杂散信号的进一步衰减。

36. 发明授权

US4460878A Tunable resonator and an ultrahigh-frequency circuit comprising at least one such resonator 失效
标题翻译：可调谐谐振器和包括至少一个这样的谐振器的超高频电路
公开(公告)号：US4460878A
公开(公告)日：1984-07-17
申请号：US286973
申请日：1981-07-27
申请人： Jean Fouillet , Jean C. Cruchon
发明人： Jean Fouillet , Jean C. Cruchon
IPC分类号： H01P1/202 , H01P7/04 , H01P1/201
CPC分类号： H01P7/04
摘要： There is provided a resonator comprising principally a hollow metal finger integral with the wall of a guide or a cavity. A metal plunger, coated with a fine dielectric layer, of fairly low permittivity, is able to slide inside the hollow metal finger to cause the tuning frequency of the cavity or the susceptance coupled to the guide to be varied. This layer may be formed from Teflon.
摘要翻译：提供了一种谐振器，主要包括与引导件或空腔的壁成一体的中空金属指。具有相当低的介电常数的涂覆有精细电介质层的金属柱塞能够在中空金属手指内滑动，以使空腔的调谐频率或耦合到引导件的电纳变化。该层可以由特氟隆形成。

37. 发明授权

US4255729A High frequency filter 失效
标题翻译：高频滤波器
公开(公告)号：US4255729A
公开(公告)日：1981-03-10
申请号：US37419
申请日：1979-05-09
申请人： Atsushi Fukasawa , Jun Ashiwa , Takuro Sato
发明人： Atsushi Fukasawa , Jun Ashiwa , Takuro Sato
IPC分类号： H01P1/205 , H01P1/201 , H01P7/00
CPC分类号： H01P1/2056
摘要： A high frequency filter for frequencies higher than the VHF band comprising at least one resonator has been found. Each resonator comprises a conductive housing, an inner conductor one end of which is fixed at the bottom of the housing and the other end of which is free standing, a cylindrical dielectric body surrounding said inner conductor, and the diameter of the dielectric body is approximately four times as large as that of said inner conductor.
摘要翻译：已经发现用于高于包括至少一个谐振器的VHF频带的频率的高频滤波器。每个谐振器包括导电壳体，内部导体，其一端固定在壳体的底部并且另一端自由站立，围绕所述内部导体的圆柱形介电体，并且电介质体的直径约为是所述内导体的四倍。

38. 发明授权

US2964704A Electrical frequency analyzer and commutator therefor 失效
标题翻译：电频分析仪及换向器
公开(公告)号：US2964704A
公开(公告)日：1960-12-13
申请号：US49106355
申请日：1955-02-28
申请人： RAYTHEON CO
发明人： SOL SHAPIRO
IPC分类号： G10L21/06 , H01P1/201
CPC分类号： H01P1/201 , G10L21/06 , Y10T307/702

39. 发明授权

US2726369A Amplitude control unit 失效
标题翻译：幅度控制单元
公开(公告)号：US2726369A
公开(公告)日：1955-12-06
申请号：US24112251
申请日：1951-08-09
申请人： ITT
发明人： LEON HIMMEL
IPC分类号： G01S1/02 , G01S19/14 , G01S19/18 , G01S19/39 , H01P1/201
CPC分类号： H01P1/201 , G01S1/02

40. 发明授权

US2419985A Reactance compensation 失效
标题翻译：电抗补偿
公开(公告)号：US2419985A
公开(公告)日：1947-05-06
申请号：US55124744
申请日：1944-08-25
申请人： RCA CORP
发明人： BROWN GEORGE H
IPC分类号： H01P1/201 , H01P5/02 , H03H7/38
CPC分类号： H01P5/02 , H01P1/201 , Y10S310/03

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