|
Match
|
Document |
Document Title |
|
|
7561013 |
Small NRD guide bend
An LSE mode, which is a parasitic mode, can be effectively suppressed by a simple structure, and a reduction in size and weight can be thereby facilitated. Further, a metal body 3 is arranged in...
|
|
|
7382215 |
Image guide coupler switch
In one implementation, a method is provided for an image guide coupler. The method includes controlling a coupling between adjacent waveguides of a propagating wave by controlling a coupling...
|
|
|
7349673 |
Adaptive radio transceiver with an antenna matching circuit
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a...
|
|
|
7307492 |
Design, layout and method of manufacture for a circuit that taps a differential signal
An apparatus that includes a first conducting strip having a narrowed width where the first conducting strip also acts as a first electrode for a first tapping capacitance. The first tapping...
|
|
|
7116945 |
Adaptive radio transceiver with an antenna matching circuit
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a...
|
|
|
7109823 |
Image guide coupler switch
In one embodiment, an image guide coupler switch is provided having a dielectric image guide coupler with a coupling control circuit. In this embodiment the coupling control circuit has at least...
|
|
|
7068118 |
Pulse modulator for nonradiative dielectric waveguide, and millimeter wave transmitter/receiver using the same
A pulse modulator includes a circulator which comprises: two ferrite plates; a plurality of mode suppressors for transmitting therethrough an LSM mode electromagnetic wave while shutting off an LSE...
|
|
|
6956447 |
Directional coupler using non-radiative dielectric waveguide
A dictionary coupler using a non-radiative dielectric waveguide is disclosed. Particularly, a millimeter wave band non-radiative dielectric waveguide directional coupler using a multiple-hole...
|
|
|
6927653 |
Dielectric waveguide type filter and branching filter
A cutoff waveguide path is provided in a part of a dielectric waveguide comprising a pair of main conductive layers formed on an upper and a lower surfaces of a dielectric and groups of conductive...
|
|
|
6897739 |
Waveguide power divider and combiner utilizing a resistive slot
A compact inline waveguide power divider is provided that comprises a primary waveguide in communication with two parallel waveguides. The two parallel waveguides are stacked on top of one another...
|
|
|
6868258 |
Structure for connecting non-radiative dielectric waveguide and metal waveguide, millimeter wave transmitting/receiving module and millimeter wave transmitter/receiver
It is an object of the invention to provide a connection structure for connecting the dielectric strip of an NRD guide with a metal waveguide, in which the conversion loss (connection loss) for...
|
|
|
6737934 |
Directional Coupler, antenna device, and transmitting-receiving device
A first transmission line and a second transmission line are caused to be partially opposite to each other, and by use of the opposite portions of the first transmission line and the second...
|
|
|
6707349 |
Directional coupler for microwave cavities
A directional coupler for microwave cavities is used to guide microwave signal power in both directions. The directional coupler contains a first carrier and a second carrier overlapped with each...
|
|
|
6668106 |
Crosspoint microwave switching architecture for optical telecommunications
The present invention combines several features to create a novel type of optical telecommunications switching component using microwave waveguides as opposed to the usual methods employing light...
|
|
|
6542046 |
Directional coupler, antenna device, and radar system
A directional coupler includes two non-radiative dielectric lines, each formed by a dielectric strip between flat conductive surfaces placed substantially parallel to each other, such that the two...
|
|
|
6483396 |
Microwave system with redundant processing devices and passive switching
A redundant microwave system operable to process a microwave signal propagating in a microwave cavity includes a microwave cavity and two microwave processing devices. Each microwave processing...
|
|
|
6400235 |
Radio frequency, millimeter-wave or microwave device and method of making same
A coupler includes one or more conductors and a support structure for the conductors within the coupler. The conductors are inserted through oblong holes in the support structure while the support...
|
|
|
6285266 |
Directional coupler having shiftable parallel dielectric transmission lines
A first transmission line and a second transmission line are caused to be partially opposite to each other, and by use of the opposite portions of the first transmission line and the second...
|
|
|
6166699 |
Antenna source for transmitting and receiving microwaves
The invention relates to an antenna source transmitting and receiving polarized microwaves, the source including a transducer for separating the transmission signals from the reception signals, the...
|
|
|
6147569 |
Non-radiative dielectric waveguide coupler
A non-radiative dielectric waveguide coupler for coupling or dividing high-frequency signals between at least two dielectric waveguides arranged maintaining a predetermined gap between a pair of...
|
|
|
6144267 |
Non-Radiative dielectric line assembly
A normal NRD guide is constituted in the part to be coupled with a dielectric resonator, a hyper NRD guide for simply transmitting the LSM01 mode is constituted in a multipoints circulator part,...
|
|
|
6127902 |
Waveguide directional coupler capable of propagating higher order modes
A simply made and very broad band directional coupler includes a hollow middle section (CS) provided with an empty interaction space having two ends, one pair of hollow guides (H1, H3) coupled to...
|
|
|
6121868 |
Electric switch device which can prevent damage to it and devices connected to it
The present invention provides an electric device comprising two electric terminals, a button mechanism having a push button that can depressed to toggle between "on" and "off" statuses, and a...
|
|
|
6094106 |
Non-radiative dielectric waveguide module
A module equipped with a non-radiative dielectric waveguide in accordance with this invention comprises a pair of parallel flat conductors arranged at a space of 1/2 or below of a high frequency...
|
|
|
6069529 |
Compact redundancy combiner assembly and method of operation thereof
A redundancy combiner assembly has two amplifiers connected in parallel along a waveguide path to a hybrid. The hybrid is connected through a transfer switch to an antenna. The hybrid contains a...
|
|
|
5920245 |
Nonradiative dielectric line apparatus including a specifically oriented circuit board
The ease of mounting a circuit board on a nonradiative dielectric line is improved, the degree of freedom of conductor film patterns formed on the circuit board is increased, and the degree of...
|
|
|
5917232 |
Dielectric-line integrated circuit
A dielectric-line component (such as an oscillator or circulator) has a dielectric strip between a pair of electrically conductive flat-plates. The component is to be combined with another...
|
|
|
5874867 |
Waveguide hybrid junction
A wavegide hybrid junction includes a coupling section, a coupling hole, and an external cavity resonator. The coupling section is formed by removing by a predetermined length part of a common...
|
|
|
5784033 |
Plural frequency antenna feed
Apparatus and method for providing an antenna feed (10) operative at different microwave frequency bands employ a circular waveguide (14) interconnecting an orthomode transducer (20) to a feed horn...
|
|
|
5770989 |
Nonradiative dielectric line apparatus and instrument for measuring characteristics of a circuit board
The ease of mounting a circuit board on a nonradiative dielectric line is improved, the degree of freedom of conductor film patterns formed on the circuit board is increased, and the degree of...
|
|
|
5736907 |
Multiple-frequency autotrack feed for wideband communication systems
A travelling wave coupler autotracking system 10 controls the pointing of an antenna aboard an orbiting satellite by generating tracking signals covering a wideband frequency. The system 10...
|
|
|
5714965 |
Active reception antenna with coplanar feeder
An active reception antenna with a coplanar waveguide having a high actual gain in the frequency band as broad as 100% or larger of the central frequency. The reception active antenna with a...
|
|
|
5473294 |
Planar variable power divider
A novel planar variable power divider, using waveguide technology, includes two hybrids and two variable phase shifters. The variable power divider includes a variable phase shifter based on a 3 dB...
|
|
|
5416452 |
Mode diversity coupler for vertical polarization
A mode coupler for vertically polarized modes comprises a first waveguide (32) having a relatively small rectangular cross-section and a second waveguide (22) having a relatively large rectangular...
|
|
|
5410318 |
Simplified wide-band autotrack traveling wave coupler
In accordance with the present invention, a traveling wave coupler generates tracking signals from a circularly polarized microwave signal and includes a waveguide manifold for exciting circular TM...
|
|
|
5402089 |
Asymmetrically coupled TE.sub.21 coupler
A TE 21 coupler having at least two auxiliary rectangular waveguides asymmetrically disposed around the center line of a TE 21 circular waveguide, the waveguides sharing common walls in which...
|
|
|
5280216 |
Mode converter and power splitter for microwave tubes
The invention is a mode converter and power splitter device for electron tubes, particularly gyrotrons and tubes of similar categories. These tubes have an output cavity 2, which is a circular form...
|
|
|
5274839 |
Satellite communications system with the zero-db coupler
A zero-dB hybrid or directional coupler includes a first through waveguide extending between first and third ports and a second through waveguide, parallel to the first waveguide, and extending...
|
|
|
5266910 |
Directional coupler on mirror elbow for microwaves
Disclosed is a directional coupler on a mirror elbow for a microwave transmission line sized to convey very high power. The coupler consists of a main guide with a mirror elbow and at least one...
|
|
|
5266911 |
Multiplexing system for plural channels of electromagnetic signals
A multiplexing system combines a plurality of electromagnetic signals to propagate along a common path, preferably a square waveguide which can be connected to an antenna feed horn of square cross...
|
|
|
5247268 |
Adjustable waveguide branch, and directional coupler
A rectangular waveguide series junction has a layer of photoconductive material in one branch near the junction. The photoconductive material, when dark, is essentially a dielectric, which...
|
|
|
5218327 |
Variable/switchable coupler
A waveguide coupler wherein the coupling of power from one waveguide arm to an adjacent waveguide arm through an aperture in a common wall may be switched on and off at very high speed or...
|
|
|
5204614 |
Broad-band microwave power sensor using diodes above their resonant frequency
A microwave power sensor is disclosed which is capable of using diodes above their resonant frequency to sense the power of input microwaves. The power sensor includes a sensing diode, a...
|
|
|
5196812 |
Compact n-way waveguide power divider
An n-way waveguide power divider wherein microwave power entering a first waveguide section is directionally coupled simultaneously into a plurality of parallel waveguide sections that share a...
|
|
|
5128602 |
Parallel supply for multiple loads from a single power supply
A single constant voltage power supply concurrently supplies a plurality of independent loads each with an independently selectable constant current load without interaction between the loads...
|
|
|
5105170 |
Waveguide coupling networks
A waveguide coupling network for the output or input network of a shared power amplification module comprises a plurality of waveguides interconnected by side or top wall coupling to make up a...
|
|
|
5079561 |
Planar array waveguide antenna with L-shaped series/series coupling slots
An array antenna which includes a first waveguide 12 coupled to a second waveguide 20 by an L-shaped coupling slot 30. The slot 30 has a first portion 32 orthogonal to a second portion 34 thereof...
|
|
|
5061912 |
Waveguide coupler having opposed smooth and opposed corrugated walls for coupling HE.sub.1,1 mode
Apparatus for generating high power microwaves and for radiating the microwave power in the HE 1 ,1 mode into a confined plasma is disclosed. The apparatus includes a microwave generator and mode...
|
|
|
5047738 |
Ridged waveguide hybrid
A waveguide hybrid includes a generally rectangular superstructure defined by first and second conductive broad walls and first and second conductive narrow walls, and an intermediate, conductive...
|
|
|
5043684 |
Compact high power, high directivity, waveguide directional coupler utilizing reactively loaded junction
A directional coupler for coupling r.f. energy in a waveguide system from a main channel waveguide to a subsidiary channel waveguide, the coupling being in the range between about -3 dB to -15 dB....
|