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41.发明授权Coaxial filter having a plurality of resonators each having a bottomed cylinder 失效同轴滤波器具有多个谐振器，每个谐振器都具有有底圆筒
公开(公告)号：US4437076A
公开(公告)日：1984-03-13
申请号：US348766
申请日：1982-02-16
CPC分类号： H01P1/2053
摘要： In a coaxial filter arrangement having a plurality of coaxial resonators each having a bottomed metallic cylinder interposed between a dielectric plate and one end of a center conductor of each resonator, the peripheral wall portion of the metallic cylinder is received in the bore of an outer conductor having an open end and a closed end connected to the other end of the center conductor. In one embodiment, the bottom of the metallic cylinder has a convex portion at its center so that the bottom center projects outwardly. In another embodiment, an annular metallic member is interposed between the dielectric plate and the outer surface of the flat bottom of the metallic cylinder. Since the distance between bottoms of metallic cylinders of adjacent resonators is made large with this arrangement, influence due to leakage flux of electromagnetic field is small, while stray capacitance is negligibly small, thereby providing a filter having high performance and low loss.
摘要翻译： 在具有多个同轴谐振器的同轴滤波器装置中，每个同轴谐振器具有插入介电板和每个谐振器的中心导体的一端之间的有底金属圆柱体，金属圆筒的周壁部分容纳在外导体的孔中 具有连接到中心导体的另一端的开口端和封闭端。 在一个实施例中，金属圆筒的底部在其中心处具有凸起部分，使得底部中心向外突出。 在另一个实施例中，环形金属构件介于电介质板和金属圆筒的平底部的外表面之间。 由于这种布置使相邻谐振器的金属圆筒的底部之间的距离变大，所以由于电磁场的漏磁通引起的影响小，而杂散电容变小，从而提供具有高性能和低损耗的滤波器。
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公开(公告)号：US06600451B2
公开(公告)日：2003-07-29
申请号：US10017305
申请日：2001-12-12
申请人： Masahiro Mimura , Mitsuo Makimoto
发明人： Masahiro Mimura , Mitsuo Makimoto
IPC分类号： H01Q1112
摘要： Two conducting lines are arranged in a ring form in a TEM-mode transmission line. The end of one of the lines is connected to the end of the other line with opposite polarity, thus forming a resonator for resonation in a half-wavelength mode. This structure, free of line discontinuity which lowers the Q value, can provide a resonator having a high Q value equivalent to that of the one-wavelength resonator. Moreover, it is satisfactory to provide a half of a length of the one-wavelength resonator. Accordingly, the structure of the resonator has reduced size but little Q-value deterioration.
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43.发明授权Plane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated 失效平面式带状线滤波器，其中带状线被缩短，双模谐振器，其中两种类型的微波被独立谐振
公开(公告)号：US5880656A
公开(公告)日：1999-03-09
申请号：US980478
申请日：1997-11-28
CPC分类号： H01P1/20381 , H01P7/082 , H01P7/084
摘要： A strip-line filter is provided with upper- and lower-stage resonators having the same electromagnetic characteristics. Each of the resonators has a one-wavelength square-shaped strip line and four open-end transmission lines connected to four coupling points A,C,B and D (or E,G,F and H) of each resonator which are spaced 90 degrees in electric length in that order. The square-shaped strip lines have a pair of parallel coupling lines closely placed in parallel to each other to electromagnetically couple the resonators. Therefore, the filter can be manufactured in a small size. A first microwave resonated in each resonator is electromagnetically influenced by two open-end transmission lines connected to two coupling points A and B (or E and F), and a second microwave resonated in each resonator is electromagnetically influenced by two open-end transmission lines connected to two coupling points C and D (or G and H). Therefore, resonance wavelengths of the microwaves can be longer than a line length of each square-shaped strip line. Also, the resonance wavelengths can be adjusted by trimming the transmission lines. Also, because all constitutional elements are made of strip lines, the filter can be made plane.
摘要翻译： 带状滤波器设置有具有相同电磁特性的上级和下级谐振器。 每个谐振器具有单波长方形带状线和连接到每个谐振器的四个耦合点A，C，B和D（或E，G，F和H）的四个开路端传输线，其间隔开90° 电气长度的顺序。 方形带状线具有彼此平行地紧密放置的一对平行的耦合线，以电磁耦合谐振器。 因此，过滤器可以制造成小尺寸。 在每个谐振器中谐振的第一微波由两个连接到两个耦合点A和B（或E和F）的开路传输线进行电磁学影响，并且每个谐振器中谐振的第二微波由两个开路传输线 连接到两个耦合点C和D（或G和H）。 因此，微波的共振波长可以比每个方形带状线的线长长。 此外，可以通过修整传输线来调节谐振波长。 另外，由于所有的构成元件均由带状线制成，所以可以将滤光片制成平面。
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44.发明授权Plane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated 失效平面式带状线滤波器，其中带状线被缩短，双模谐振器，其中两种类型的微波被独立谐振
公开(公告)号：US5684440A
公开(公告)日：1997-11-04
申请号：US598541
申请日：1996-02-08
CPC分类号： H01P1/20381 , H01P7/082 , H01P7/084
摘要： A strip-line filter is provided with upper- and lower-stage resonators having the same electromagnetic characteristics. Each of the resonators has a one-wavelength square-shaped strip line and four open-end transmission lines connected to four coupling points A,C,B and D (or E,G,F and H) of each resonator which are spaced 90 degrees in electric length in that order. The square-shaped strip lines have a pair of parallel coupling lines closely placed in parallel to each other to electromagnetically couple the resonators. Therefore, the filter can be manufactured in a small size. A first microwave resonated in each resonator is electromagnetically influenced by two open-end transmission lines connected to two coupling points A and B (or E and F), and a second microwave resonated in each resonator is electromagnetically influenced by two open-end transmission lines connected to two coupling points C and D (or G and H). Therefore, resonance wavelengths of the microwaves can be longer than a line length of each square-shaped strip line. Also, the resonance wavelengths can be adjusted by trimming the transmission lines. Also, because all constitutional elements are made of strip lines, the filter can be made plane.
摘要翻译： 带状滤波器设置有具有相同电磁特性的上级和下级谐振器。 每个谐振器具有单波长方形带状线和连接到每个谐振器的四个耦合点A，C，B和D（或E，G，F和H）的四个开路端传输线，其间隔开90° 电气长度的顺序。 方形带状线具有彼此平行地紧密放置的一对平行的耦合线，以电磁耦合谐振器。 因此，过滤器可以制造成小尺寸。 在每个谐振器中谐振的第一微波由两个连接到两个耦合点A和B（或E和F）的开路传输线进行电磁学影响，并且每个谐振器中谐振的第二微波由两个开路传输线 连接到两个耦合点C和D（或G和H）。 因此，微波的共振波长可以比每个方形带状线的线长长。 此外，可以通过修整传输线来调整谐振波长。 另外，由于所有的构成元件均由带状线制成，所以可以将滤光片制成平面。
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公开(公告)号：US5614876A
公开(公告)日：1997-03-25
申请号：US534469
申请日：1995-09-27
CPC分类号： H01P1/20381 , H01P1/2039 , H01P7/082 , H01P7/084 , H01P7/088
摘要： A strip dual mode filter consists of a strip line ring resonator having an electric length equivalent to a resonance wavelength .lambda..sub.o for resonating microwaves at the resonance wavelength .lambda..sub.o according to a characteristic impedance thereof, an input coupling capacitor for transmitting the microwaves from an input terminal to a coupling point A of the ring resonator, an output coupling capacitor for outputting the microwaves resonated in the ring resonator from a coupling point B of the ring resonator to an output terminal, and a phase-shifting circuit connected to a coupling point C and a coupling point D of the ring resonator for changing the characteristic impedance of the ring resonator by shifting a phase of the microwave by a multiple of a half-wave length of the microwaves. The coupling point B is spaced a quarter-wave length of the microwaves apart from the coupling point A, the coupling point C is spaced the half-wave length of the microwaves apart from the coupling point A, and the coupling point D is spaced the half-wave length of the microwaves apart from the coupling point B.
摘要翻译： 带状双模式滤波器由带状线环形谐振器组成，带状线环谐振器具有等于谐振波长λo的电长度，用于根据其特性阻抗谐振波长为λo的微波;输入耦合电容器，用于从输入端发射微波 端子连接到环形谐振器的耦合点A，用于将环形谐振器中谐振的微波从环形谐振器的耦合点B输出到输出端子的输出耦合电容器和连接到耦合点C的相移电路 以及环形谐振器的耦合点D，用于通过将微波的相位移动微波的半波长的倍数来改变环形谐振器的特性阻抗。 耦合点B与耦合点A分开的四分之一波长的微波，耦合点C将微波的半波长与耦合点A分开，耦合点D间隔开 除耦合点B之外的微波半波长。
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公开(公告)号：US5559485A
公开(公告)日：1996-09-24
申请号：US360875
申请日：1994-12-21
CPC分类号： H01P7/082
摘要： A dielectric resonator is provided which includes a dielectric block, an inner conductor formed on an outer surface of the dielectric block, and another outer conductor formed on an outer surface of the dielectric block. The inner conductor is so geometrically modified as to change the characteristic impedance in a manner wherein the shape of either the inner conductor or the dielectric block is changed.
摘要翻译： 提供介质谐振器，其包括介质块，形成在介质块的外表面上的内导体，以及形成在介质块的外表面上的另一外导体。 内部导体被几何修改为以改变内部导体或介质块的形状的方式改变特性阻抗。
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公开(公告)号：US4985690A
公开(公告)日：1991-01-15
申请号：US375417
申请日：1989-07-05
申请人： Kazuhiro Eguchi , Eiichi Ochiai , Shinichiro Ito , Takehiko Yoneda , Hiromitsu Taki , Toshiharu Noguchi , Kuniaki Kiyosue , Akiro Yoshida , Morikazu Sagawa , Mitsuo Makimoto
发明人： Kazuhiro Eguchi , Eiichi Ochiai , Shinichiro Ito , Takehiko Yoneda , Hiromitsu Taki , Toshiharu Noguchi , Kuniaki Kiyosue , Akiro Yoshida , Morikazu Sagawa , Mitsuo Makimoto
CPC分类号： H01P7/04 , H01P1/2053
摘要： A coaxial dielectric resonator for use at high frequency. The outer or inner peripheral surface of a tubular dielectric member is stepped so as to provide a greater suppression of spurious resonance. The dielectric member has a prism-shaped outer configuration so as to provide a high Q value, as well as improved space factor.
摘要翻译： 用于高频的同轴电介质谐振器。 管状电介质构件的外周表面或内周表面是阶梯状的，以便提供更大的寄生谐振抑制。 电介质构件具有棱柱形外部构造，以提供高Q值以及改善的空间因子。
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48.发明授权
公开(公告)号：US4631506A
公开(公告)日：1986-12-23
申请号：US514262
申请日：1983-07-15
IPC分类号： H01P7/04
CPC分类号： H01P7/04
摘要： A coaxial dielectric resonator for VHF and/or UHF band comprising a generally cylindrical dielectric having inner surface and outer surface. The inner and outer surfaces of the dielectric are respectively covered by outer and inner conductors and these conductors are connected at one end of the dielectric. An adjusting screw for adjusting resonance frequency is provided at the other end of the dielectric which is covered by a lid while holding a gap between the adjusting screw and the lid. A microwave filter using a plurality of the coaxial dielectric resonator is further described.
摘要翻译： 一种用于VHF和/或UHF带的同轴介质谐振器，包括具有内表面和外表面的大致圆柱形电介质。 电介质的内表面和外表面分别由外导体和内导体覆盖，并且这些导体在电介质的一端连接。 在保持调节螺钉和盖子之间的间隙的情况下，在由盖子覆盖的电介质的另一端设置有用于调节共振频率的调节螺钉。 进一步描述使用多个同轴介质谐振器的微波滤波器。
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公开(公告)号：US4382238A
公开(公告)日：1983-05-03
申请号：US211897
申请日：1980-12-01
CPC分类号： H01P1/2136 , H01P1/2053
摘要： In a band stop filter having a plurality of series resonating circuits, and coaxial cables connected between the series resonating circuits, the length of each of the coaxial cables is made either shorter or longer than quarter wavelength at the center frequency. With this arrangement, asymmetry is introduced in the insertion loss vs frequency characteristic curve so that the curve is sharper than the symmetrical curve in a given range, resulting in a reduction of insertion loss at a transmission band which resides either above or below the center frequency. Two band stop filters may be combined to constitute an antenna coupler for connecting a transmitter and a receiver to a common antenna. Each of the series resonating circuits used in the band stop filter may be constructed of a quarter wavelength coaxial resonator, which functions as a parallel resonating circuit, and a loop-like coaxial cable, which functions as a coupling capacitor.
摘要翻译： 在具有多个串联谐振电路的带阻滤波器和连接在串联谐振电路之间的同轴电缆之间，每个同轴电缆的长度在中心频率上比四分之一波长短或长。 通过这种布置，在插入损耗与频率特性曲线中引入不对称，使得曲线比给定范围内的对称曲线更锐利，导致在高于或低于中心频率的传输频带上的插入损耗减小 。 两个带阻滤波器可以组合以构成用于将发射机和接收机连接到公共天线的天线耦合器。 用于带阻滤波器的串联谐振电路中的每一个可以由用作并联谐振电路的四分之一波长同轴谐振器和用作耦合电容器的环状同轴电缆构成。
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50.发明授权Microwave filter having means for capacitive interstage coupling between transmission lines 失效微波滤波器具有用于传输线之间的电容级间耦合的装置
公开(公告)号：US4268809A
公开(公告)日：1981-05-19
申请号：US71492
申请日：1979-08-31
CPC分类号： H01P1/2053
摘要： A microwave filter comprising within a conductive casing, a plurality of resonant transmission lines arranged parallel between opposed end walls of the casing, a plurality of shielding members each located between adjacent transmission lines, and a capacitive interstage coupling member disposed transverse to the transmission line. The interstage coupling member comprises a dielectric member and a plurality of conductive regions arranged successively thereon so as to establish capacitive coupling between adjacent conductive regions. Each transmission line is connected at one end to a side wall of the casing and supported at the other end by the dielectric member in electrical contact with a respective one of the conductive regions, whereby the interstage coupling between the transmission lines is provided by the capacitively coupled conductive regions.
摘要翻译： 一种微波过滤器，包括在导电壳体内，平行于壳体的相对端壁之间布置的多个谐振传输线，多个屏蔽构件，每个屏蔽构件均位于相邻传输线之间，以及电容级间耦合构件，横向于传输线布置。 级间耦合构件包括电介质构件和连续布置的多个导电区域，以便在相邻导电区域之间建立电容耦合。 每个传输线一端连接到壳体的侧壁，另一端通过电介质部件与相应的一个导电区域电接触，由此传输线路之间的级间耦合由电容性 耦合导电区域。
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