Matches 401 - 450 out of 500 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
4680560 Electrical filter device  
An improved electrical filter device which is so arranged that a low-pass filter having a spurious wave eliminating function is formed into a compact size so as to be incorporated into a dead space...
4675632 Coaxial line shape resonator with high dielectric constant  
A high dielectric constant element suitable for making a coaxial line shape resonator comprises a number of sheets, for instance, of mica or plastic, each having plural pieces of conductive film or...
4673902 Dielectric material coaxial resonator filter directly mountable on a circuit board  
A dielectric material coaxial resonator which includes at least one dielectric material block member having a through-opening axially formed in it in one direction, an inner conductive layer formed...
4636759 Electrical trap construction  
An improved electrical trap construction for use in a high frequency circuit device, which is so arranged that a coaxial resonator is connected to a core pin of a coaxial connector mounted on a...
4575691 Cable isolator with overvoltage protection  
A coaxial cable isolator includes ceramic capacitive and inductive elements for isolating the cable sheath from low frequency power current while passing high frequency television signal current. A...
4567454 Resonator device  
A resonator device including an electrically conductive mounting member, at least one dielectric coaxial resonator mounted on the mounting member and an electrically conductive elastic member for...
4559506 Temperature compensated coaxial cable isolator  
A coaxial cable isolator includes a stepped diameter tubular outer conductive element and a threaded smaller diameter inner conductive element coaxially aligned therewith to form an interruption. A...
4559508 Distribution constant filter with suppression of TE11 resonance mode  
An improved distribution constant type filter provided with a connecting arrangement which includes a through-opening formed in a dielectric block of the filter along a first cavity of a resonance...
4553264 Double superheterodyne tuner  
In a double superheterodyne tuner, the first local oscillator frequency is set to a value higher than the first intermediate frequency, which is set to a value between three and five times the...
4546334 Electrical filter device  
An improved electrical filter device in which cut-off spaces required in a casing of the electrical filter device are still further reduced than in conventional arrangements, and which is free from...
4544902 Mount for millimeter wave application  
A signal modifying device comprises an elongate section of waveguide and a non-linear circuit element. A lateral through-hole is formed in a wall of the waveguide, and a rod-like conductive member...
4510468 RF Absorptive line with controlled low pass cut-off frequency  
A transmission line for the transmission of electrical energy and signals, including at least one electrical conductor exhibiting high frequency skin effect; a low conductivity magnetic composite...
4507631 Device comprising a cavity and a linear resonator fixed within said cavity, and a method of assembly of said device  
The device comprises a cavity, a resonator placed within the cavity and a support plate for fixing the position of the resonator within the cavity. Recesses are formed in the cavity and the...
4506241 Coaxial dielectric resonator having different impedance portions and method of manufacturing the same  
A coaxial dielectric resonator for VHF-UHF band comprises a generally cylindrical dielectric body having a thick portion, a thin portion and a stepped portion interposed between the thick and thin...
4484159 Filter connector with discrete particle dielectric  
A filter connector incorporates a capacitor formed in the connector with dielectric material consisting of discrete particles maintained in electrical contact with the live and ground electrodes....
4477786 Semi-coaxial cavity resonator filter  
A semi-coaxial cavity resonator filter including a plurality of semi-axial cavity resonators, as constructed units, each of which has an adjustable device in which dielectric substrates having a...
4475092 Absorptive resonant cavity filter  
An absorptive resonant cavity filter suitable for use on the output of a transmitter power amplifier and capable of substantially constant predetermined resistive input impedance at all...
4473807 Coaxial K inverter  
An improved coaxial K inverter is disclosed for use in forming coaxial microwave filters. A filter including a K inverter may be constructed using at least one resonator including a conductor...
4464640 Distribution constant type filter  
An improved distribution constant type electrical filter which is so arranged that columnar or cylindrical dielectric units each having conductive wires axially extended through it, are inserted...
4462098 Radio frequency signal combining/sorting apparatus  
A unique RF signal combining/sorting apparatus is disclosed that includes first and second filters each comprised of one or more bandstop/bandpass filters intercoupled by transmission lines. The...
4449108 Band-stop filter for VHF-UHF band  
A band-stop filter for VHF-UHF band comprises at least three series resonance circuits and at least two transmission lines each connected between the series resonance circuits. One of the...
4437076 Coaxial filter having a plurality of resonators each having a bottomed cylinder  
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...
4431977 Ceramic bandpass filter  
A unique ceramic bandpass filter is disclosed that is comprised of a dielectric block having one or more holes extending from its top surface to its bottom surface and further having input and...
4427953 Microwave diplexer  
Apparatus for processing microwave signals at two predetermined frequencies. Signals at a first predetermined frequency are received or transmitted at one end (input port) of a microwave...
4399419 Line isolation and interference shielding for a shielded conductor system  
A method and structure is disclosed for isolating the shield of a shielded conductor system from a low frequency power source to which the shield may be connected. In one embodiment, the isolation...
4398164 Coaxial resonator  
A 1/4 wave length coaxial resonator comprises an outer cylindrical portion, an inner cylindrical portion positioned coaxially in the outer cylindrical portion, with the outer and inner cylindrical...
4382238 Band stop filter and circuit arrangement for common antenna  
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...
4370630 Isolating connector  
An isolating connector is disclosed for isolating the center conductor of a shielded cable from DC and low frequency AC potentials. The connector includes a generally tubular shell which is...
4361820 Hybrid microwave circuit  
A coaxial type microwave filter having an outer conductor and at least one inner conductor supported in the outer conductor has a strip transmission line extending from an external strip-line...
4354168 Delay line canceler  
A source of pulse waves is coupled to a first transmission line and a second transmission line, the inputs of each line being parallely coupled. The input of the first line is in series with its...
4342972 Microwave device employing coaxial resonator  
The disclosure relates to an improved microwave device which includes a casing of electrically conductive material, at least two coaxial resonators, for example, 1/4 wavelength coaxial TEM...
4329667 Coaxial cable low frequency band-pass filter  
The band-pass filter portion of a coaxial cable includes filter elements in the form of a laminate of dielectric material having a conductive layer on opposite faces. Attached to each conductive...
4318064 Resonator for high frequency electromagnetic oscillations  
A resonator for a high frequency electromagnetic oscillator is disclosed. The resonator includes a hollow cylinder formed of a material having a low dielectric constant and a dielectric wire formed...
4307357 Foreshortened coaxial resonators  
A coaxial-structure filter which utilizes a flat depression machined in the bottom surface of the filter cover as the resonant frequency determining element in a resonant cavity is disclosed. The...
4296389 Crimped coax reflective dispersive delay line  
A dispersive delay line and method for fabricating the delay line is described in which coaxial cable is utilized and in which the dispersive or bandpass characteristic is established by the...
4286238 Harmonic filtering device for radio transmitter  
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...
4276525 Coaxial resonator with projecting terminal portion and electrical filter employing a coaxial resonator of that type  
The disclosure relates to an improved coaxial resonator and an electrical filter employing such coaxial resonators. The electrical filter includes a casing of electrically conductive material, at...
4266207 Coaxial cable band-pass filter  
The band-pass filter coupling element of a coaxial cable is in the form of a laminent of dielectric material having a conductive layer on opposite faces. Each end face is metallurgically joined to...
4245198 High frequency filter device  
A filter device has two filters for filtering or separating two high-frequency signals having different frequencies. Each filter comprises a plurality of quarterwavelength coaxial resonators,...
4223287 Electrical filter employing transverse electromagnetic mode coaxial resonators  
An electrical filter comprising a cylindrical metal case having an aperture extending in a line, a plurality of 1/4 wave length transverse electromagnetic mode coaxial resonators inserted in the...
4216448 Microwave distributed-constant band-pass filter comprising projections adjacent on capacitively coupled resonator rods to open ends thereof  
A microwave distributed-constant filter of a band-pass characteristic having at least one attenuation pole comprises resonator rods, each of which has an open and a shorted end and of which two...
4202594 RF Connector assembly including mounting apparatus for a washer-like capacitor  
In an RF coaxial connector assembly, apparatus is provided for mounting a washer-like capacitor. The capacitor is used for providing DC and low frequency isolation between the outer conductor of...
4198613 Filter contact  
A pin or socket type electrical contact of an efficient modular design selectively provides transient voltage overload protection, inductive and capacitive filter impedance for frequency...
4184130 Filter devices incorporating dielectric resonators and leakage cable  
A band rejection coaxial filter for use with a coaxial transmission line, for example, comprises a casing made of a conductive material and having an internal geometry selected to be in a cut off...
4161704 Coaxial cable and method of making the same  
Circuit components such as frequency filters, impedance transformers, and time delay elements are fabricated into an assembly which is electrically and mechanically coupled to the center conductor....
4151494 Electrical filter  
The present invention is an electrical filter which includes coaxial resonators, for example, both-end open type 1/2 wave length TEM (transverse electro-magnetic mode) coaxial resonators, each...
4149170 Multiport cable choke  
A unitary broadband high impedance isolation section for a plurality of cely spaced antennas as well as other electrical apparatus wherein the respective separate coaxial cables feeding the...
4147980 Redundant RF system for space application  
An S-band radio frequency subsystem including two transmitters, two receivers and two antennas and capable of connecting either transmitter or receiver to either antenna while permitting...
4051449 Time frequency diversity system  
A plurality of signals to be separated in time as well as in frequency are imultaneously applied to the input of a power amplifier whose output is applied to the input of a fast-tuned filter. The...
4050040 Fast-tuned multiplexer-power combiner  
A multiple-frequency, coaxial filter and coupler has a cylindrical outer ing surrounding two or more axial sections of the cylinder separated by radial vanes. Each of these sections forms a...
Matches 401 - 450 out of 500 < 1 2 3 4 5 6 7 8 9 10 >