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70 条记录 (耗时 0.015 秒)

    Coplanar stripline with corrugated structure
    62.
    发明授权
    Coplanar stripline with corrugated structure 失效
    共波纹带波纹结构

    公开(公告)号：US06686808B1

    公开(公告)日：2004-02-03

    申请号：US09329343

    申请日：1999-06-10

    申请人： Satoru Sugawara ,  Koji Mizuno

    发明人： Satoru Sugawara ,  Koji Mizuno

    IPC分类号： H01P308

    CPC分类号： H05K1/0242 ,  H01P1/211 ,  H01P3/026 ,  H05K1/0216 ,  H05K1/0219 ,  H05K2201/09236 ,  H05K2201/09281 ,  H05K2201/09727

    摘要： A coplanar stripline is provided, including a dielectric substrate, and first and second strip conductors, which are each formed on the dielectric substrate, parallel to each other and separated by a predetermined distance. The corrugated structure is formed at least on one side of the strip conductors, including a plurality of slits. The slits are formed periodically on the side of each of the strip conductors, which is located in the outside portion thereof and not facing the other confronting strip conductor, so that the length direction of the slit is substantially perpendicular to the direction of the electromagnetic wave transmitted through the coplanar stripline.

    摘要翻译： 提供共面带状线，包括电介质基板和第一和第二条状导体，它们各自形成在电介质基板上，彼此平行并分开预定距离。 波纹结构形成在带状导体的至少一侧，包括多个狭缝。 这些狭缝在位于其外侧部分的每个条状导体的侧面周期性地形成，并且不面向另一个相对的带状导体，使得狭缝的长度方向基本上垂直于电磁波的方向 通过共面带状线传输。

    Corrugated waveguide filter having coupled resonator cavities
    63.
    发明授权
    Corrugated waveguide filter having coupled resonator cavities 有权
    具有耦合谐振腔的波纹波导滤波器

    公开(公告)号：US06169466A

    公开(公告)日：2001-01-02

    申请号：US09309406

    申请日：1999-05-10

    申请人： Rousslan Goulouev

    发明人： Rousslan Goulouev

    IPC分类号： H01P120

    CPC分类号： H01P1/211

    摘要： A corrugated waveguide filter has a plurality of coupled resonator cavities arranged in a horizontal or vertical manner. The filter may include an input transformer section and an output transformer section for matching the filter to external waveguide lines. Each resonator includes at least two extracted slots (or cavities) that are grouped in close proximity to each other, and which may be symmetrically or asymmetrically implemented in the waveguide. The resonators each contribute one reflection zero and two transmission zeros to the frequency response of the filter, the reflection zero being located within the pass-band of the filter, and the two transmission zeros located either at the high-side or low-side of the pass-band depending upon whether the resonator is a low-pass type or a high-pass type. The dimensions of each resonator, including the depth of the slots and the distance between the slots, determines the position of the reflection zero and whether the resonator is low-pass or high-pass.

    摘要翻译： 波纹波导滤波器具有以水平或垂直方式布置的多个耦合谐振腔。 滤波器可以包括用于将滤波器与外部波导线匹配的输入变压器部分和输出变压器部分。 每个谐振器包括至少两个被提供的彼此靠近的提取槽（或空腔），并且其可以在波导中对称或不对称地实现。 谐振器各自对滤波器的频率响应贡献一个反射零点和两个传输零点，反射零点位于滤波器的通带内，两个传输零点位于滤波器的高侧或低侧 该通带取决于谐振器是低通型还是高通型。 每个谐振器的尺寸，包括槽的深度和槽之间的距离确定反射零的位置以及谐振器是低通还是高通。

    Harmonic filtering device for radio transmitter
    64.
    发明授权
    Harmonic filtering device for radio transmitter 失效
    无线电发射机谐波滤波装置

    公开(公告)号：US4286238A

    公开(公告)日：1981-08-25

    申请号：US106016

    申请日：1979-12-21

    申请人： Francois Ursenbach

    发明人： Francois Ursenbach

    IPC分类号： H01P1/211 ,  H04B1/04 ,  H01P1/202 ,  H01P1/212 ,  H01P1/22

    CPC分类号： H01P1/211 ,  H04B1/0458

    摘要： A harmonic filtering device placed in a high frequency line connecting a radio transmitter to its load with at least one cell in parallel on the line, constituted by an anti-resonant circuit (at the transmission frequency of the transmitter) in series with a resistor, whose value is approximately 1/20th of the characteristic impedance of the line. This cell is made of a coaxial line with four conductors in which inset elements (short-circuit, capacitor, load) form the inductor and the capacitor of the anti-resonant circuit and the resistor. The resistor of this cell has no effect at the transmission frequency of the transmitter and creates insulation between the load and the transmitter for harmonic frequencies.

    摘要翻译： 一种谐波滤波装置，其放置在将无线电发射机与其负载连接在一起的高频线路中，所述高频线路与由电阻器串联的反谐振电路（以发射机的发射频率）构成的线路上的至少一个电池并联， 其值约为线路特性阻抗的1/20。 该单元由具有四个导体的同轴线制成，其中插入元件（短路，电容器，负载）形成电感器和反谐振电路的电容器和电阻器。 该电池的电阻对发射机的发射频率没有影响，并在负载和发射机之间产生谐波频率的绝缘。

    Waveguide low pass filter
    65.
    发明授权
    Waveguide low pass filter 失效
    波导低通滤波器

    公开(公告)号：US3949327A

    公开(公告)日：1976-04-06

    申请号：US493698

    申请日：1974-08-01

    申请人： Harry F. Chapell

    发明人： Harry F. Chapell

    IPC分类号： H01P1/211 ,  H01P1/20 ,  H01P3/12 ,  H01P5/08

    CPC分类号： H01P1/211

    摘要： The filter may be designed from a multiple section L-C Chebyshev low pass filter prototype and is of generally ridged filter construction. The distributed shunt capacitors in the ridged section are designed to support only one mode in both the passband and primary stop band. The series inductors are calculated in accordance with evanescent mode (below cut-off) operation.

    摘要翻译： 过滤器可以由多部分L-C切比雪夫低通滤波器原型设计，并且通常是脊状过滤器结构。 脊状部分中的分布式并联电容器被设计为仅支持通带和主要阻带中的一种模式。 串联电感根据ev逝模式（以下截止）操作计算。

    Waveguide filter for microwave heating apparatus
    66.
    发明授权
    Waveguide filter for microwave heating apparatus 失效
    用于微波加热装置的波形滤波器

    公开(公告)号：US3838368A

    公开(公告)日：1974-09-24

    申请号：US35903173

    申请日：1973-05-10

    申请人： AMANA REFRIGERATION INC

    发明人： IRONFIELD R

    IPC分类号： H01P1/16 ,  H01P1/207 ,  H01P1/211 ,  H01P1/212 ,  H03H7/01 ,  H05B6/70 ,  H05B6/74 ,  H05B6/76 ,  H01P1/20

    CPC分类号： H05B6/725 ,  H01P1/16 ,  H01P1/207 ,  H01P1/211 ,  H01P1/212 ,  H05B6/707

    摘要： A low pass filter is provided for rectangular waveguide of the type employed for launching electromagnetic energy in microwave ovens. The filter substantially rejects the transmission of harmonic frequencies of the fundamental generator operating frequency as well as adjacent energy oscillation modes. The structure described has a corrugated configuration with ribs defining alternate cavities and constrictions having cutoff frequency characteristics. Uniform and nonuniform spacing as well as dissilimar sections are discussed. The structure is electrically isolated from the broad waveguide walls to define two propagation paths for the electromagnetic energy. Lightweight conductive materials are suggested. The interrelationships of the alternating rib members provide a series of open and short circuit admittances which are analyzed to determine the desired electrical cutoff frequencies. Identical rib structure is defined on opposing sides of a reference plane extending along the longitudinal axis of the waveguide. Transforming means are utilized for impedance matching.

    摘要翻译： 提供了一种用于在微波炉中发射电磁能的类型的矩形波导的低通滤波器。 滤波器基本上拒绝基本发电机工作频率的谐波频率以及相邻能量振荡模式的传输。 所描述的结构具有波纹形状，其具有限定具有截止频率特性的交替空腔和收缩部的肋。 讨论了均匀和不均匀的间距以及不均匀截面。 该结构与宽波导壁电隔离以限定用于电磁能的两个传播路径。 建议使用轻量导电材料。 交替的肋构件的相互关系提供了一系列开路和短路导纳，其被分析以确定所需的电截止频率。 相同的肋结构限定在沿着波导的纵向轴线延伸的参考平面的相对侧上。 用于阻抗匹配的变换装置。

    Die cast waveguide low pass filter
    67.
    发明授权
    Die cast waveguide low pass filter 失效
    DIE CAST WAVEGUIDE低通滤波器

    公开(公告)号：US3777286A

    公开(公告)日：1973-12-04

    申请号：US3777286D

    申请日：1972-08-07

    申请人： HUGHES AIRCRAFT CO

    发明人： CRAMM H ,  GORBY C ,  LEETMAA J

    IPC分类号： H01P1/211 ,  H03H7/10 ,  H03H9/00

    CPC分类号： H01P1/211

    摘要： A microwave low pass filter of the so-called ''''waffle iron'''' type is disclosed. The filter utilizes die cast construction techniques and cast-in dowel holes for dimensional fidelity, close tolerances and precise alignment. The filter uses fewer parts than previous devices and can be easily assembled without the use of jigs, fixtures or special bonding techniques. Die cast construction techniques are made possible in the filter design by departing from the optimum electrical design of such components.

    摘要翻译： 公开了所谓的“华夫饼”型的微波低通滤波器。 该过滤器采用压铸施工技术和铸造定位销孔，用于尺寸保真度，公差精确和精确对准。 过滤器比以前的设备使用的部件少，并且可以在不使用夹具，夹具或特殊粘合技术的情况下轻松组装。 通过偏离这些部件的最佳电气设计，在过滤器设计中可以实现压铸施工技术。