|
Match
|
Document |
Document Title |
|
|
8026772 |
Microwave generator having at least two spark gaps connected in series
A microwave generator includes a resonator which has two mutually opposite resonator electrodes formed with a spark gap device that breaks down when an ignition voltage is applied. In order to...
|
|
|
7741783 |
Microwave generator
A microwave generator has at least one resonator with two mutually opposite resonator electrodes which are separated by a spark gap. The spark gap breaks down when a high-voltage is applied. The...
|
|
|
7583370 |
Resonant structures and methods for encoding signals into surface plasmons
A device for coupling an input signal to an output signal includes a metal transmission line; an ultra-small resonant receiver structure operatively connected to an end of the transmission line...
|
|
|
7515011 |
Microwave routing element, methods of routing microwaves and systems including same
Microwave routing elements and methods of directing microwaves are disclosed. One routing element comprises an inlet region, a plurality of outlet regions, and junctures positioned between an...
|
|
|
7194247 |
Dual-channel passband filtering system using acoustic resonators in lattice topology
A dual-channel passband filtering system having a first, second and third balanced ports for connecting, respectively, to a first transceiver, an antenna and a second transceiver. A first...
|
|
|
6269241 |
Ultra-Q filter
This invention is a modular active filter that can be inserted between the antenna and a filter of a pre-existing unit, so that it can still function normally, without noise from cellular phones....
|
|
|
6057569 |
Diode limiter device
The present invention provides a diode limiter device in which a first penetration hole is formed on a wall surface of an H surface; the PIN diode is supported by the PIN diode mounting side of the...
|
|
|
5489818 |
High power compact microwave source
A method of generating high-power microwaves from a compact source is disclosed by which a transmission line cavity resonator is charged to a high voltage and an electrical switch in the resonator...
|
|
|
5097231 |
Quasi-passive, non-radioactive receiver protector device
A receiver protector device includes a sealed discharge chamber containing one or more pairs of spaced-apart, conical electrodes and an ionizable gas. A field emission array is mounted in the...
|
|
|
4965540 |
Microwave resonant cavity
A microwave resonant cavity for a spectroscopic light source includes a housing having therein a chamber formed by side walls and a cylindrical outer wall. The side walls having aligned openings...
|
|
|
4963842 |
Millimeter wave fin-line gas discharge receiver protector
A passive, broadband, millimeter wave, fin-line, gas discharge device operable for use in a radar system as a receiver protector. The preferred embodiment of this device comprises: a rectangular...
|
|
|
4942337 |
Spark gap apparatus triggerable by microwave pulse
A spark gap apparatus triggerable by application of a microwave pulse. The apparatus includes a first electrode including a microwave waveguide, and a second electrode spaced from the first...
|
|
|
4816785 |
Multipactor device with radioactive electron source
The disclosed multipactor device has a waveguide bandpass filter structure including a plurality of spaced pairs of opposing electrodes defining respective gaps therebetween in which multipactor...
|
|
|
4673896 |
Microwave transmitting and receiving arrangements
A radar system having a common antenna for transmitting and receiving signals conventionally includes a branch duplexer which is bulky and inconvenient.By using a waveguide section having an...
|
|
|
4575692 |
Microwave discharge apparatus and method with dual function priming resonator
A microwave gas discharge apparatus for use as a limiter or TR device or the like and employing a primary discharge arrangement which has a single resonator used for priming the discharge device...
|
|
|
4517497 |
Capacitor discharge apparatus
A capacitor discharge apparatus of the kind having a spark gap device for discharging a capacitor to provide a current impulse for conduction through a load. The capacitor and spark gap device both...
|
|
|
4496917 |
RF-Primed high power halogen vial apparatus
A high power halogen-filled vial stage receiver protector utilizing an RF priming source in conjunction with a pair of circular guides to provide a continuous supply of priming free electrons to...
|
|
|
4477746 |
Microwave-triggered laser switch
A high-repetition rate switch for delivering short duration, high-power electrical pulses from a pulsed-charged dc power supply. The present invention utilizes a microwave-generating device such as...
|
|
|
4395684 |
R.F. Primed plasma limiter for radar receiver protector
The plasma switching stage of a radar receiver protector is simplified and improved by the utilization of a halogen gas filled quartz container and a "keepalive" electron source. The container is...
|
|
|
4394622 |
High voltage coaxial switch
A coaxial high voltage, high current switch having a solid cylindrical cold cathode coaxially surrounded by a thin hollow cylindrical inner electrode and a larger hollow cylindrical outer...
|
|
|
4296385 |
X-Ray assisted multipactor discharge tuned resonant cavity device
A multipactor discharge tuned resonant cavity device, e.g. a magnetron, is irradiated with X-rays in order to assist the starting of the multipactor discharge. The X-rays are produced by electrons...
|
|
|
4285061 |
Equalizer sample loading in voiceband data sets
In a multipoint data communication system using quadrature-amplitude modulation, a master modem (20) and a plurality of tributary modems (11a, 11b . . . 11n) are interconnected via respective...
|
|
|
4267530 |
Iris for receiver protector
An iris for a stage of a receiver protector is described incorporating a metal plate having a slot opening wherein the electric field across the slot opening is enhanced by tapering or beveling the...
|
|
|
4266202 |
Receiver protector having means for suppressing internally generated noise signal frequencies
A receiver protector is described incorporating a waveguide containing several isolation stages followed by at least one iris plate filter.The invention overcomes the problem of RF or microwave...
|
|
|
4255731 |
Intense electron beam microwave switch
Microwave energy is coupled into an elongate waveguide having a rectangular ain cavity with a lateral branch forming a T section. An intense beam of electrons is generated in the rectangular cavity...
|
|
|
4245197 |
Radar receiver protector with auxiliary source of electron priming
A microwave discharge gap receiver protector includes a radioactive ignitor of the nuclear decay type to provide an auxiliary source of electron priming therefore, the radioactive ignitor...
|
|
|
4232278 |
High power microwave integrated circuit receiver protector with integral sensitivity time control
PIN diodes of decreasing base region thicknesses, wherein the thickest base region diode functions as a quasi-active limiter with turn-on bias supplied by detected RF current in a Schottky barrier...
|
|
|
4227153 |
Pulse generator utilizing superconducting apparatus
High power, phase coherent pulses are generated by superconducting appara which includes a superconducting cavity resonator that is pumped by a low power microwave source while being isolated from...
|
|
|
4194200 |
Combined receiver protector, AGC attenuator and sensitivity time control device
The passive receiver protector, AGC attenuator and sensitivity time control functions of a radar are combined in a single device which performs the functions in front of the radar low noise...
|
|
|
4177437 |
High power pre-TR switch
A high power pre-TR switch utilizes hot pressed boron nitride to form a vial. The vial contains a halogen gas such as chlorine.
|
|
|
4176295 |
High peak power microwave generator using light activated switches
A high peak power microwave generator is disclosed in which a plurality of transmission lines are connected to an output wave guide at predetermined intervals along the direction of propagation....
|
|
|
4135169 |
Pre-TR high power/intermediate power stage apparatus
A pre-TR high power/intermediate power stage apparatus for receiver protectors utilizing a single quartz vial filled with a halogen gas and having a predetermined configuration to provide the dual...
|
|
|
4115746 |
Multipactor discharge tuned resonant cavity devices
In a vane type magnetron oscillator a resonant co-axial transmission line breaks through the wall of the anode block to couple to two adjacent cavities on either side of a vane. Positioned at a...
|
|
|
4105951 |
Multipactor discharge arrangements
A multipactor discharge tuned resonant cavity device, e.g. a magnetron, is arranged with two multipactor discharge electrodes so that in a discharge condition a net current flows from one electrode...
|
|
|
4104556 |
High energy radio frequency pulse generators
A radio frequency pulse generator capable of providing high energy pulses having an in-line construction includes an annularly shaped spark gap. The input voltage is connected to the resonant...
|
|
|
4104557 |
Liquid dielectric radio frequency pulse generators
A liquid dielectric radio frequency pulse generator capable of providing high energy pulses having an in-line construction includes an annularly shaped spark gap immersed in an aprotic liquid such...
|
|
|
4104558 |
Tunable radio frequency pulse generators
A tunable frequency pulse generator capable of providing high energy pulses having an in-line construction includes an annularly shaped spark gap and a movable insulator support which includes a...
|
|
|
4085390 |
Symmetrical stripline package
A microwave stripline package provides symmetrical ground currents while permitting discrete components such as diodes, terminations, capacitors, etc.to be used. The package comprises a pair of...
|
|
|
4027255 |
Fast recovery time receiver protector for radars
The subject of the invention is a waveguide-type, multi-stage, receiver protector. It combines the use of all-chlorine gas discharge stages and a radioactive primer discharge stage having a...
|
|
|
4001829 |
High average power millimeter duplexer
A high power duplexer in the millimeter region includes a beam excited plasma switch in combination with colinear waveguide transmission lines. The beam passes through four sets of slots which are...
|
|
|
3986148 |
Waveguide to co-axial line junctions
A co-axial line to waveguide junction is formed from a length of waveguide with a co-axial line section along the length with the center conductor of the co-axial line entering the interior of the...
|
|
|
3903489 |
Plasma waveguide switch permitting triggering with both cathode and waveguide grounded
A plasma waveguide switch is provided which permits triggering with both the cathode and waveguide grounded. An anode and a slotted grid are made to act as part of the walls of the waveguide for RF...
|
|
|
3870974 |
MIC carrier grounding arrangement
The gaps between adjacent MIC carriers or an MIC carrier and the sidewall of a chassis into which the carriers are inserted introduce a series reactance at frequencies at C band and above which...
|
|
|
3863111 |
POLYCRYSTALLINE VARISTOR SURGE PROTECTIVE DEVICE FOR HIGH FREQUENCY APPLICATIONS
A polycrystalline varistor of the bulk effect zinc oxide base type adapted for use in voltage surge suppression on VHF signal lines is disclosed. The device comprises a connector having a housing...
|
|
|
3858125 |
RECEIVER PROTECTION METHOD AND APPARATUS
A multipactor receiver protection stage is provided with a soft beta emitter, such as a tritium doped material, for decreasing the turn-on time of the stage by providing free electrons in the gap...
|
|
|
3801859 |
MICROWAVE GAS DISCHARGE SWITCHING TUBES
A microwave gas discharge switching tube is provided with a conductive wire grid mounted on the inside of its input window to shorten the recovery time following the termination of a heavily...
|
|
|
3781719 |
PASSIVE TR TUBES
Passive TR tubes are disclosed using radioactive material to supply free electrons in the output cone-gap. The radioactive material is so located that it will not be damaged by the RF discharge in...
|
|
|
3753158 |
MEANS FOR RETAINING GAS-FILLED VIAL IN PRE-TR UNIT
A TR-limiter apparatus includes a pre-TR unit for response to RF energy of a predetermined minimum level. The unit includes a gas-filled vial mounted between a resonant cavity and a slot for...
|
|
|
3748528 |
MICROWAVE GENERATOR
A high-power, X-band microwave burst generator having an input coaxial line feeding a post extending into a waveguide. The center conductor of the coaxial line has a first switching gap therein and...
|
|
|
3748592 |
MAGNETRON OSCILLATORS
A magnetron oscillator having the normally provided cavities of a magnetron oscillator, has a further resonant cavity coupled to one of the normally provided cavities by an inductive loop. The...
|