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7554481 |
Localized jamming of navigation signals
Various approaches to localized jamming of navigation signals are provided. In one embodiment, a navigation signal comprises at least a portion of a low earth orbit (LEO) signal provided by a LEO...
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7540226 |
Aircraft engine structure-mounted aim-point biasing infrared countermeasure apparatus and method
A thermal radiation-generating decoy mounted adjacent an aircraft engine structure, such as an engine nacelle, includes a heat source inside of an aerodynamic enclosure with a mounting interface to...
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7532856 |
Regenerative jammer with multiple jamming algorithms
A jammer for generating and transmitting RF broadband jamming signals for jamming one or more local RF receivers. The jammer includes a broadband antenna unit for receiving broadband RF jammer...
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7523692 |
Aircraft defense system against manpads with IR/UV seekers
An inexpensive, efficient and lightweight integrated small decoy system towed behind an aircraft to power an intense IR emitter for drawing in a missile with an IR sensitive guidance system away...
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7522097 |
Radar platform angular motion compensation
A method to compensate for radar platform angular motion may include measuring or estimating any radar platform angular motion. The method may also include substantially decoupling each array...
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7521655 |
Method and system of automatic control
A method and apparatus for protecting a civil aircraft from missiles with infrared seeker heads includes detecting a launch of a missile from a location of launch, the missile having an infrared...
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7519332 |
Radio-frequency radiocommunication apparatus
A radiocommunication apparatus includes a transmitting device and a receiving device. The transmitting device includes a first local oscillation section for selecting a frequency for a first local...
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7515096 |
Program to generate an aircrew display aid to assess jam effectiveness
The invention generally relates to the field of computer software particularly to an improved method of providing aircrew decision aids for use in determining the optimum placement of an Electronic...
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7515094 |
Advanced electromagnetic location of electronic equipment
An apparatus for measuring at least one of unintentional and intentional electromagnetic emissions for at least one of enabling electromagnetic location of predetermined electronic equipment giving...
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7511657 |
Aircrew display aid to assess jam effectiveness
The invention generally relates to the field of computer software particularly to an improved method of providing aircrew decision aids for use in determining the optimum placement of an Electronic...
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7505693 |
Miniature waveform modulator with full pulse by pulse timing control
A miniature waveform modulator is provided to modulate an infrared laser. The miniature waveform modulator outputs a pulse train having different and specified pulse widths, with the pulse train...
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7504982 |
Anti-Missile system and method
The disclosed system, device and method for an anti-missile system generally includes a ground-based sensor array generating tracking data of a guided missile tracking a target. A control node in...
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7492308 |
Threat detection system
An optical detection system for detecting launch of an offensive projectile. The detection system includes an image detector array, an optical arrangement for focusing on to the image detector...
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7489264 |
Coordination of electronic counter measures
An electronic counter measures solution. Jamming signals are emitted towards a threat to improve chances of survival for at least two vehicles, which are physically separated from one another,...
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7478578 |
Commercial airliner missile protection using formation drone aircraft
A commercial airliner ( 100 ) controls and is flown in formation with a drone aircraft ( 200 ) that includes missile detection and diversion equipment ( 215 ) capable of protecting the airliner...
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7450059 |
Non-linear dispersive transmission line assembly
A non-linear dispersive transmission line assembly for producing high power radio frequency electrical signals includes a transmission line ( 6, 7 ) having a plurality of series connected inductors...
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7436877 |
Method and apparatus to perform surgical reactive jamming while maintaining simultaneous tactical communications
A Method and Apparatus to Perform Surgical Reactive Jamming while Maintaining Simultaneous Tactical Communications is disclosed. The system provides an enhancement to surgical reactive jammers that...
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7427947 |
Aircrew aid to assess jam effectiveness
The invention generally relates to the field of computer software particularly to an improved method of providing aircrew decision aids for use in determining the optimum placement of an Electronic...
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7425916 |
Airborne distributed pulse doppler radar missile warning system
A digital missile warning system comprising a distributed pulse doppler radar having a plurality of antennas, each being coupled to a transmit/receive (T/R) module located adjacent to the antenna,...
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7423575 |
Method and apparatus for protecting personnel and material from RF-based threats using ultra-wideband (UWB) transmission
An ultra wideband (UWB) jamming system comprises a processor, a memory, a pulse generator, one or more UWB transmitters, and one or more UWB antennas. In an exemplary embodiment of the present...
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7400287 |
Smart chaff
Missile deflector systems for protecting a vehicle from threats that use an infrared sensor for guidance are disclosed. An exemplary missile deflector system can include, for example, a radiation...
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7391356 |
System and method for suppressing radio frequency transmissions
A system and method for suppressing radio frequency (“RF”) transmissions includes a transmitter for transmitting electronic signals that suppresses (e.g., prevents, disrupts, jams, interferes...
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7391355 |
Single platform geolocation method and apparatus
A geolocation system and method uses a single platform for determining a Doppler measurement set of a targeted aircraft or signal of interest. The electronic warfare aircraft and the ejected...
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7378626 |
Directed infrared countermeasures (DIRCM) system and method
An agile, high-power, reliable DIRCM system that is easily extended to address sophisticated UV or UV-visible capable multi-band threats includes a missile warner having missile warning receivers...
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7339515 |
Optimized utilization of electronic counter measures
The invention relates to a distributed electronic counter measures solution, wherein jamming signals (J A ; J B ) may be emitted towards threats (X 1 , X 2 ) from counter measures stations in...
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7336216 |
Parachuted radar decoy
A radar decoy having radar reflectors disposed in the interior of the inflated canopy of a descending parachute as a first set of four corner reflectors, and a second set of corner reflectors...
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7310441 |
Method and apparatus for three-dimensional tracking of infra-red beacons
A method for processing data includes identifying a time signature of an infra-red (IR) beacon. Image data associated with the IR beacon is identified using the time signature.
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7232240 |
Extended source laser illuminator
An apparatus provides a safer, high brightness glare or illumination source. The apparatus comprises a laser to emit a light beam, and a magnifying telescope, including a negative lens to expand...
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7215275 |
Independent temperature and apparent color control technology for adaptive camouflage
An apparatus for adaptive camouflage with independent control of both temperature and apparent color. The apparatus has cells or individual pixels behind a transparent outer layer. The temperature...
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7212148 |
Apparatus for jamming infrared attack unit using a modulated radio frequency carrier
A countermeasure system for jamming an attack unit is provided. The attack unit receives an infrared carrier signal for detection of a target under attack and is vulnerable to countermeasures from...
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7212147 |
Method of agile reduction of radar cross section using electromagnetic channelization
A method for reducing radar cross section of an object that has conductive portions and that is expected to be scanned by radar, which includes providing the object with a multiple layer radar...
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7202807 |
Dynamic antenna
A method and an antenna arrangement are disclosed for reducing the antenna radar cross section for an externally illuminating radar source. A radar pulse is transmitted with the antenna arrangement...
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7170444 |
Non-linear dispersive pulse generator
A non-linear dispersive pulse generator for producing pulsed radio frequency electrical signals includes a non-linear dispersive electrical circuit ( 1 ) incorporating at least one non-linear...
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7154431 |
Signal synthesizer and method therefor
A digital synthesizer includes a digital radio frequency memory (DRFM) for storing phase values and corresponding digital signals. The digital synthesizer includes a digital processing circuit...
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7154430 |
Ventriloqual jamming using a towed transmission line
A radar jamming signal generated by equipment carried by a target aircraft, is launched onto the leading end of a towed single wire transmission line so as to travel the length of the line as a...
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7142148 |
Towed decoy and method of improving the same
A towed decoy arrangement for a craft with a decoy towed by the craft. Threatening signals are received by the craft and a noise signal is generated which is converted up to a frequency which is...
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7142147 |
Method and apparatus for detecting, locating, and identifying microwave transmitters and receivers at distant locations
Methods and apparatuses for detecting, locating, and identifying microwave transmitters and receivers at distant locations are disclosed. First and second electromagnetic beams at first and second...
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7138936 |
Method and apparatus for protecting personnel from RF-triggered explosive devices (RTED) using ultra-wideband (UWB) transmission
The test results found that the EMI impact depended on the UWB power that fell within the receiver passband. Specifically, EMI occurred when the average power in the receiver passband was...
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7126979 |
System and method to autonomously and selectively jam frequency hopping signals in near real-time
The system and method autonomously and selectively jams frequency-hopping signals in near real-time by incorporating a fundamental change in the detection and reaction technology, to provide a...
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7123182 |
Time sharing jammers
A time sharing jammer comprises two sources of jamming signals 1 and a switch 4 for coupling the sources of jamming signals to a microwave power amplifier 6 , such as a travelling wave tube. A...
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7099369 |
Method and apparatus for surgical high speed follower jamming based on selectable target direction
A Method and Apparatus for Surgical High-speed Follower Jamming Based on Selectable Target Direction is disclosed. The system and method of the present invention automatically detects and jams...
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7095779 |
Method and apparatus for automatic jammer frequency control of surgical reactive jammers
A Method and Apparatus for Automatic Jammer Frequency Control of Surgical Reactive Jammers is disclosed. The system and method to autonomously and selectively jam frequency-hopping signals in near...
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7081846 |
ECM techniques to counter pulse compression radar
A system and method for generating a counter-measure signal in response to an incoming radar signal from a remote linear frequency modulated (LFM) pulse compression radar system. One method...
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7053812 |
Recoverable pod for self-protection of aircraft and method of protecting an aircraft using a recoverable pod
In a countermeasure system for an aircraft, a countermeasure module includes a chamber. Countermeasure equipment is housed in the chamber of the countermeasure module. An attachment mechanism...
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6995660 |
Commander's decision aid for combat ground vehicle integrated defensive aid suites
A decision aid for use in the defense of a combat ground vehicle which includes a track fusion element, a threat typing element, threat prioritization element, and a countermeasures (CM) selection...
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6980152 |
Externally cued aircraft warning and defense
Methods, computer-readable media, and systems for externally cued aircraft warning and defense are disclosed. A surveillance system may include a sensor field or array and may include a processor...
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6980151 |
System and method for onboard detection of ballistic threats to aircraft
A bi-static continuous wave radar system and related methods for detecting incoming threats from ballistic projectiles includes a remote source of RF illumination, and a local receiver installed in...
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6937181 |
Device for reducing the signature of hot exhausting gases
The invention relates to a device for exhausting hot gases with a reduced signature, for instance exhaust gases from an exhaust ( 7, 8 ) of a tank. The device is of the type comprising a means for...
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6933877 |
Multiple-antenna jamming system
The Multiple-Antenna Jamming System (MAJS) is useful for missile-borne jamming of active protection system radars that operate in close proximity to the frequency band of the missile's radio...
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6927724 |
Adaptive modification of surface properties to alter the perception of its underlying structure
Adaptive modification of surface properties such as color, temperature and reflective properties by adjustably varying the temperature of a surface perceived by an observer, utilizing Peltier...
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