| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 342014000 | ECM (Electronic countermeasures, i.e., jamming) | 44 |
| 20080198060 | RF DECOY AND METHOD FOR DECEIVING RADAR-BASED MISSILES - An expendable, stand-alone, off-board Electronic Counter-Measure system, airborne RF decoy aimed to provide airborne platforms with protection against multiple radar-based threats including Air-to-Air and Surface-to-Air missiles both active and semi-active ones. The airborne RF decoy has the mechanical outline of standard chaff and flare decoys and is safely ejected from any platform by pyrotechnic elements. | 08-21-2008 |
| 20080297395 | 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 Attack (EA) aircraft. The core of the invention is a software program that will dynamically provide the EA flight crew situational awareness regarding a threat emitter's coverage relative to the position of the EA aircraft and to the position of any number of protected entities (PE). The software program generates information to provide visual cues representing a Jam Acceptability Region (JAR) contour, a Jam Assessment Strobe (JAS) and text for display on a number of flexibly configurable display formats posted on display units. The JAR and JAS graphics and text will aid the EA aircrew in rapidly assessing the effectiveness of a given jamming approach. | 12-04-2008 |
| 20080297396 | Dynamic Replanning Algorithm for 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 Attack (EA) aircraft. The core of the invention is a software program that will dynamically provide the EA flight crew situational awareness regarding a threat emitter's coverage relative to the position of the EA aircraft and to the position of any number of protected entities (PE). The software program generates information to provide visual cues representing a Jam Acceptability Region (JAR) contour, a Jam Assessment Strobe (JAS) and text for display on a number of flexibly configurable display formats posted on display units. The JAR and JAS graphics and text will aid the EA aircrew in rapidly assessing the effectiveness of a given jamming approach. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope of the claims. | 12-04-2008 |
| 20090009379 | Method for Creating Interference, and Jamming Arrangement - A method for creating jamming within an area and a jamming arrangement. The arrangement includes a plurality of distributed jammers. The jammers include a transmitter, receiver and logic unit and communication is established with the jammers. Communication is established directly between jammers included in the arrangement and information that is to be transmitted from one jammer to the other jammers is transmitted by superposing the information on the jamming signal that is produced by the jammers. An autonomous distributed arrangement is achieved that is difficult to disable and that can be made relatively simple, reliable and cost-effective. | 01-08-2009 |
| 20090015458 | IR Jamming System For Defense Against Missiles With IR-Sensitive Homing Heads - In an IR jamming system for defense against missiles with IR-sensitive homing heads, one or more jamming beams are generated, whose diameter is less than that of the optical aperture of the IR-sensitive homing head of the missile. The optical aperture of the IR-sensitive homing head of the missile is at least partially illuminated by the jamming beam or beams. | 01-15-2009 |
| 20090128394 | Active RF Decoy Simulation Apparatus - Disclosed is an active RF decoy simulation apparatus for simulating an active RF decoy system in virtual environment, comprising: a missile seeker which radiates RF signals and detects reflection signals from the target ship, a target motion simulator for implementing the moving trajectory of active RF decoy, in which an antenna for radiating the reflected signal of the target ship and another antenna for radiating the deception signal of the active RF decoy according to the transmitted missile signal are mounted, a microwave device which transfers the detected signal radiated from the missile to the antenna so that the reflected signal of the target ship is radiated by the target motion simulator and which receives the signal radiated from the missile, amplifies the received signal and transfers the signal to the antenna so that a repeated delay signal of the RF decoy simulator which is greater than the reflected signal of the target ship is radiated by the target motion simulator, a missile seeker control device which controls the missile seeker, a target motion simulator control device which controls the target motion simulator, and a virtual environment simulation device which controls the microwave device which controls the radiation of the signal of the RF decoy simulator, and the missile seeker control device. | 05-21-2009 |
| 20090174589 | BULLET APPROACH WARNING SYSTEM AND METHOD - A system and method for warning a helicopter of an approaching bullet using existing sensor systems is disclosed. The disclosed method including the steps of: detecting and providing bearing information for detected small arms weapon firing locations near the helicopter, determining a detection area and detection time window for the fired bullet, determining the antennas of the RF transmitting and RF receiving systems covering the bearing of the detected weapon firing; determining a timing sequence and allocating time segments for transmitting and receiving RF signals during the detection time window, commanding the RF emitting system to emit and the RF receiving system to receive RF signals during their allocated time segments, processing RF signals received and determining whether reflected RF signal pulses from the emitted RF signal pulses are present, and outputting a warning where reflected RF signal pulses are detected. | 07-09-2009 |
| 20090237289 | Multi-band jammer - A jammer for jamming communications in a communications system where the communications system operates with digital bursts having burst periods measured in time and occurring in a communication frequency band such as GSM having a transmit band and a receive band. The jammer includes a tone comb generator for providing repetitions of jamming signals for the communication frequency band where the jamming signals have jamming signal intervals providing frequency separation between the jamming signals. The jamming signals are generated with a dwell time substantially less than a burst period for the communications system. The jamming signals are generated concurrently for the transmit band and the receive band and are transmitted as RF jamming signals to jam communications for mobile stations. | 09-24-2009 |
| 20090322585 | Surveillance satellite image denial system - A satellite surveillance countermeasure system uses an airborne platform to position a coherent radiation source above a substantial portion of the Earth's atmosphere. The coherent radiation source provides coherent radiation that is directed toward an enemy surveillance satellite, so as to reversibly deny the satellite the ability to image. By positioning the coherent radiation source at such an altitude, atmospheric attenuation and distortion are mitigated. Thus, a smaller, less powerful and less costly coherent radiation source can be utilized. The use of an airborne platform also makes the system more portable and affordable. | 12-31-2009 |
| 20100052968 | INTERFERENCE DETECTION APPARATUS AND METHOD - Techniques for detecting jammers in a received signal are described. A jammer detector includes a jammer filter for attenuating transmit signals leaked into the receive path, a pulse generator for converting the interference signals into discrete-level pulses, and a pulse processor for determining the presence of jammers in the discrete-level pulses. In an exemplary embodiment, the pulse processor is configured to further discriminate among close-in jammers that are close to the desired receive frequency, far-away jammers, and jammers arising from the transmit signals leaked into the receive path. In another exemplary embodiment, hysteresis is provided in the pulse generator to enable the generation of reliable pulses. Further aspects include configuring the jammer detector for operation in a plurality of frequency bands and/or according to a plurality of communications standards. | 03-04-2010 |
| 20100117884 | METHOD FOR PERFORMING CONSISTENCY CHECKS FOR MULTIPLE SIGNALS RECEIVED FROM A TRANSMITTER - The subject matter disclosed herein relates to a system and method for processing multiple navigation signal components received from multiple global navigation satellite systems (GNSS′). In a particular implementation, an energy detection in a first navigation signal component is classified based, at least in part, on information in a second navigation signal component. | 05-13-2010 |
| 20100259436 | 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 with or otherwise disables) RF transmissions. Some embodiments of the invention include a transmitter that suppresses one or more signals transmitted from a target transmitter in an RF transmission system to a target receiver in a wireless device operating in the RF transmission system to prevent, disrupt, jam, interfere with or otherwise disable an RF transmission between the target transmitter and the target receiver in the wireless device (i.e., target wireless device). These systems and methods may be used to interrupt communication, command and control of non-friendly combatant. These systems and methods may also be used to suppress RF transmissions to prevent the detonation of improvised explosive devices, or IEDs. | 10-14-2010 |
| 20100283656 | METHOD AND SYSTEM FOR JAMMING SIMULTANEOUSLY WITH COMMUNICATION USING OMNI-DIRECTIONAL ANTENNA - Double-sideband suppressed carrier (DSSC) modulation is used in concert with local oscillator (LO) rejection to create a steep notch for a communication signal within a jamming signal. The double-sideband suppressed carrier modulation may use upper and lower sidebands which are symmetrical or asymmetrical. An equivalent very high Q band-pass notch is synthesized within the jamming sideband signals. The jammer signal can be split into four signals in quadrature phases and fed to a four-square vertical dipole antenna design that results in a null along the axis of the array's center on which a communication antenna is aligned. | 11-11-2010 |
| 20100283657 | SYSTEM AND METHOD FOR DIVERTING A GUIDED MISSILE - The disclosed system, device, and method for diverting a guided missile generally includes a ground-based sensor array generating tracking data of a guided missile tracking a target. A control node in communication with the ground-based sensor array generates targeting data from the tracking data. A phased array directed-energy unit in communication with the control node radiates the guided missile with variable beam width microwave radiation based on the targeting data received from the control node, where the microwave radiation disrupts an electronic component of the guided missile such that the guided missile discontinues tracking the target. | 11-11-2010 |
| 20100289686 | METHOD FOR PERMANENT DISTURBANCE/DESTRUCTION OF ELECTRONICS, IN PARTICULAR OF A BLAST CASE OR THE LIKE - In a first step, it is proposed that tunable transmitters and detectors (receivers) be included in a detection system and that a narrowband, preferably variable frequency signal be used in order to determine the frequencies for optimum injection into the electronics of a target. When the detection system identifies these frequencies, destruction can be initiated in the second step of the invention for a transmitter or receiver which is communicating with the target. For this purpose, once the optimum frequencies have been determined, a high-power signal is transmitted into the local area of the target at the specific/determined frequency. The evaluation unit, which is integrated in the detection system, controls the transmission frequencies, evaluates the harmonic signals, selects the optimum frequencies for an attack, and controls and checks the attack process. | 11-18-2010 |
| 20100302087 | Smart Signal Jammer - A smart signal jammer is disclosed that receives a description of an unwanted signal or signals to be jammed, and transmits one or more jamming signals in one or more temporal transmission patterns of pulses that jam the unwanted signal or signals. This is in contrast to basic jammers in the prior art, which typically receive a description of a signal or signals to be transmitted. A smart jammer according to the present invention can improve the efficiency with which available transmitters are used to transmit jamming pulses, thus reducing the number of needed transmitters, compared to a prior-art jammer. A smart jammer according to the present invention comprises a jamming signal calculator that calculates the parameters of the jamming signals to be transmitted. The calculations are based on inequalities that are satisfied by an efficient jamming signal. | 12-02-2010 |
| 20110001652 | METHOD AND APPARATUS FOR GENERATING ANGULAR DECEPTION SIGNALS - A method for generating and transmitting deception signals to location devices comprises use of tracking monopulse radars and associated apparatus to be installed on aircraft in particular of the rotary-blade type. The deception signals generated and sent to the tracking radar cause an angular deception, and such that, for example, the aircraft may be viewed by the radar in a direction different from the real direction. | 01-06-2011 |
| 20110080311 | HIGH OUTPUT LASER SOURCE ASSEMBLY WITH PRECISION OUTPUT BEAM - A laser source assembly ( | 04-07-2011 |
| 20110095935 | ELECTROMAGNETICALLY-COUNTERED SYSTEMS AND METHODS BY MAXWELL EQUATIONS - Various electromagnetically-countered systems (EMC systems) are provided to form a target space where an intensity of harmful electromagnetic waves is reduced by a preset extent or below a preset limit. The EMC system includes at least one counter unit which emits counter electromagnetic waves capable of countering the harmful waves by canceling at least a portion of the harmful waves in the target space or by suppressing the harmful waves from propagating into the target space. As the countering is performed by the canceling, the counter waves tend to counter the harmful waves while impeding the purpose of the system in the target space. However, as the countering is done by the suppressing, the counter waves tend to oppose the harmful waves while facilitating the purpose of the system at least outside the target space. | 04-28-2011 |
| 20110122011 | DIGITAL MULTI-CHANNEL ECM TRANSMITTER - An electronic countermeasure (ECM) transceiver including a receiver for sequentially receiving a plurality of signals in respective frequency sub-bands. A processor sequentially receives the plurality of signals and identifies the received signals as threats. The processor then generates ECM signals based on the threats and sequentially outputs the ECM signals to a transmitter. The transmitter simultaneously transmits the ECM signals in the respective frequency sub-bands to address the threats. | 05-26-2011 |
| 20110187576 | JAMMER ANTENNA SYSTEM - The invention relates to a jammer antenna system having a main plate, the main plate being substantially horizontally oriented during use of the jammer antenna system, a horizontal antenna provided in the main plate and arranged for radiating horizontally polarized radiation; first vertical antenna removably attached to the main plate; and at least one second vertical antenna removably attached to the main plate for radiating vertically polarized radiation. The invention proposes to provide a first vertical antenna, the horizontal antenna, and the second vertical antenna being electrically decoupled, such that removing one of the vertical antennas does substantially not change a horizontal antenna intrinsic impedance of the horizontal antenna or a first vertical antenna intrinsic impedance of the first vertical antenna. | 08-04-2011 |
| 20110205101 | Systems and/or methods for using coherent electromagnetic waves in a missile defense shield - Certain example embodiments of this invention relate to a holography-based missile defense shield. In certain example embodiments, an EM field is created on or proximate to a missile. Based on imaging and/or trajectory data, a holographic plate is prepared such that a holographic projection may be generated therefrom. Electromagnetic waves are then focused on the holographic plate as a reference beam so that the holographic image is generated. In certain example embodiments, the holographic image may correspond to the missile itself, a portion of the missile, a substantially planar shape, a substantially three-dimensional shape, and/or the like. In certain example embodiments, the holographic image focused on or near the missile will interfere with the operation of the missile such that it is damaged, destroyed, or otherwise rendered less of a threat. | 08-25-2011 |
| 20110227776 | MULTI-FEED DIPOLE ANTENNA AND METHOD - A multi-feed dipole antenna and method. Provides a volumetrically efficient antenna with wide radiation pattern bandwidth and wide impedance bandwidth that are relatively independent. Driving the antenna at multiple locations provides for a half wavelength dipole antenna with a wider frequency range than any other known fat dipole of similar volume. The apparatus is constructed from brass or any other suitable metal without requiring dielectric loading and without requiring direct coupling on the outside of the tubes. The apparatus utilizes a parasitic center tube with two end tubes that are driven by a collinearly mounted metal rod that is driven from the midpoint. Insulators hold the parasitic tube to the end tubes. The parasitic tube allows for induced currents to flow on the surface of the tube which allow for operation of the dipole over a wide frequency range. | 09-22-2011 |
| 20110304494 | WIRELESS MICROWAVE INTERFERER FOR DESTRUCTING, DISABLING, OR JAMMING A TRIGGER OF AN IMPROVISED EXPLOSIVE DEVICE - A wireless microwave interferer for destructing, disabling, or jamming a trigger of an improvised explosive device. The interferer includes a power source interface, a control and monitoring panel, a waveform generator, a modulated HV power supply, at least one microwave generator, a waveguide to co-ax transformer and combiner, one of an ellipsoidal antenna and a spiral antenna, and an antenna adjustment mechanism. The power source interface interfaces with a power source. The waveform generator is connected to the modulated HV power supply and to the control and monitoring panel. The control and monitoring panel is connected to the power source interface, the modulated HV power supply, and the antenna adjustment mechanism. The modulated HV power supply is connected to the at least one microwave generator. The at least one microwave generator is connected to the waveguide to co-ax transformer and combiner. The waveguide to co-ax transformer and combiner is connected to the one of the ellipsoidal antenna and the spiral antenna. The one of the ellipsoidal antenna and the spiral antenna is connected to the antenna adjustment mechanism. | 12-15-2011 |
| 20120032832 | WIDE-BAND HIRF DETECTOR- AND ANALYSIS SYSTEM FOR AIRCRAFT - A method for detecting electromagnetic threats to an aircraft, wherein electromagnetic fields are measured, and in the case of an arising threat to the aircraft being detected, countermeasures are taken, characterized by the following steps: measuring the frequency and the amplitude of at least one electromagnetic field in the frequency range from 9 KHz to 40 GHz; analysing the measured results and determining the field intensity in relation to each measured frequency; comparing the field intensity in relation to each measured frequency with stored limiting values or qualification values, wherein the aircraft is qualified for field intensities that are lower than the limiting values; and providing the result in the form of a warning signal in the case of approaching or exceeding a limiting value. | 02-09-2012 |
| 20120068874 | Method And Apparatus For Laser Return Characterization In A Countermeasures System - In a method for laser return characterization in a DIRCM system, the improvement locating, a single IR detector in an aperture in an image mirror so that its output can be used for countermeasure effectiveness measurement, missile range measurement, missile characteristic determination and to provide an AGC signal for tracking camera gain control. | 03-22-2012 |
| 20120098693 | SCENE ILLUMINATOR - A system is disclosed to identify authorized EO devices and unauthorized EO devices within a scene. The system hampers the operation of the unauthorized EO devices detected within the scene. | 04-26-2012 |
| 20120119933 | ELECTRONIC COUNTER MEASURE SYSTEM - A tactical electronic counter measure system comprising a first retro-directional transceiver sub system, receiving signals at a first frequency band, and first retro-directional transceiver re transmitting a signal at least substantially toward the direction from which the sources signal was received, and first retro directional transceiver sub system including a plurality of blade antennas and a controller, coupled with and first retro-directional transceiver, and controller controlling the activity of and first retro directional transceiver sub system, and controller further managing the missions of and first retro directional transceiver sub system. | 05-17-2012 |
| 20120154198 | Method for Operating a Jamming Laser in a DIRCM System in a Manner That is Safe for Eyes - A method for operating a jamming laser in a DIRCM system on board an aircraft in a manner that is safe for eyes. The energy radiated by the jamming laser since the start of combat is determined, depending on the aircraft's flight condition, a limit is determined for the permitted energy radiation, where the limit corresponds to a laser protection distance to be observed for this flight condition, and when the limit is reached, radiation is suppressed. | 06-21-2012 |
| 20120169522 | DISTRIBUTED AND COORDINATED ELECTRONIC WARFARE SYSTEM - A distributed and coordinated electronic warfare system is disclosed, which comprises a plurality of autonomous, geographically-distributed, mobile units (e.g., soldiers, vehicles, etc.), each of which carries an electronic warfare module. Each electronic warfare module comprises: a telecommunications transceiver for enabling the electronic warfare modules and their users to communicate with each other, and a threat-detection receiver for detecting potentially hostile radio signals, such as those that are used to detonate IEDs; and a jamming transmitter for transmitting sequences of electromagnetic pulses to interfere with potentially hostile radio signals, and an electronic warfare controller for coordinating the efforts of the electronic warfare modules. | 07-05-2012 |
| 20120212363 | Method and device for neutralizing a target - A method for remotely neutralizing a target. The method includes transmission by a probe antenna toward the target of a test signal having a frequency spectrum having at least two distinct test frequencies; reception by an array of at least two antennas of a plurality of waves scattered by the target in response to the test signal. For each antenna of the array the method includes measuring a representative value of the amplitude of the waves scattered by the target as a function of the test frequencies; choosing at least one favored transmission frequency as a function of the representative value of the amplitude of the scattered waves; and transmitting at least one radiofrequency wave toward the target at a minimum of one favored frequency chosen for that antenna with a phase ensuring the coherent addition on the target of the radiofrequency waves transmitted by the antennas of the array. | 08-23-2012 |
| 20120223851 | ELECTRONIC COUNTER MEASURE SYSTEM - A tactical electronic counter measure system comprising a first retro-directional transceiver sub-system, receiving signals at a first frequency band, and first retro-directional transceiver re-transmitting a signal at least substantially toward the direction from which the sources signal was received, and first retro-directional transceiver sub-system including a plurality of blade antennas and a controller, coupled with and first retro-directional transceiver, and controller controlling the activity of and first retro-directional transceiver sub-system, and controller further managing the missions of and first retro-directional transceiver sub-system. | 09-06-2012 |
| 20120242527 | 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 with or otherwise disables) RF transmissions. Some embodiments of the invention include a transmitter that suppresses one or more signals transmitted from a target transmitter in an RF transmission system to a target receiver in a wireless device operating in the RF transmission system to prevent, disrupt, jam, interfere with or otherwise disable an RF transmission between the target transmitter and the target receiver in the wireless device (i.e., target wireless device). These systems and methods may be used to interrupt communication, command and control of non-friendly combatant. These systems and methods may also be used to suppress RF transmissions to prevent the detonation of improvised explosive devices, or IEDs. | 09-27-2012 |
| 20120299762 | RADIO FREQUENCY PARTICLES - Particle circuits for disrupting signals associated with a communication system or for marking a position of a device are provided. In one embodiment, the invention relates to a composite for generating radio frequency (RF) signals, the composite including a medium configured to adhere to a device for emanating communication signals, and at least one particle circuitry within the medium, wherein the at least one particle circuitry is configured to radiate radio frequency signals for disrupting the communication signals of the device. | 11-29-2012 |
| 20130307715 | Methods and Systems for Predicting Jamming Effectiveness - Disclosed subject matter relates to techniques for predicting jamming effectiveness. In one approach, platform models and propagation models are used to predict maximum threat communication range when jamming is used and when jamming is not used. The maximum range information may then be used to calculate jammer effectiveness. In another approach, probability-based techniques are used to predict jamming effectiveness for a system of interest. | 11-21-2013 |
| 20140145870 | Continuous Wave Electronic Disrupter - A continuous wave electromagnetic apparatus is provided for emitting electronic interference against a target. The apparatus includes a several magnetrons that connect in series. The magnetrons are tuned to frequencies distinguishable from each other. Each magnetron generates a corresponding continuous wave signal at a corresponding wavelength. A multiplexer connects to the several magnetrons to concatenate each the signal into a combination signal. An emitter device connects to the multiplexer to discharge the combination signal towards the target. | 05-29-2014 |
| 20140159934 | JAM ASSIGNMENT MANAGER - A method for allocating system resources includes receiving, by a processor, an assignment list that includes a first assignment and a second assignment, each assignment is assigned a priority and includes tasks associated with each assignment, assigning each assignment to a system resource according to the assigned priority of each assignment, populating a tree for the system resource, the tree including each assignment assigned to the system resource ordered by the relative priority of the assignments, generating task roots associated with each task associated with each assignment in the tree, associating each task root with a task score, defining a first system resource root that includes the task roots having the lowest task scores, calculating a first system resource root score as a function of the task scores of the first system resource root, and saving the first system resource root as the current best estimate system resource root. | 06-12-2014 |
| 20140240161 | Pulse Transponder Countermeasure - A pulse transponder countermeasure device, comprising: a central processing unit (CPU); an optical receiver adapted to receive detection signals from a speed measuring device; at least one optical transmitter adapted to transmit jamming signals to the speed measuring device; at least one software controlled driver configured to drive the optical transmitter and memory storing a database of measuring devices signature signals and reflective signals, the CPU configured to identify the speed measuring device in its database according to the received detection signal's signature and calculate a response time for sending a jamming signal to the speed measuring device so as to change the speed perceived by the speed measurement device. | 08-28-2014 |
| 20140266851 | System and Methods for Countering Satellite-Navigated Munitions - A defense system that receives information regarding an incoming object(s), then automatically coordinates spoofing or jamming of SATNAV signals potentially used by the incoming object(s) while also informing friendly systems of the spoofing or jamming of SATNAV signals. | 09-18-2014 |
| 20150015430 | Mobile Device Signal Interference Emitter and Control Method Thereof - A radio signal jamming device for preventing mobile phone use by a driver when a vehicle is in operation includes a radio signal jammer capable of interfering with the normal operation of a mobile communication device, a controller, and a vehicular interface. The radio signal jamming device is activated when the vehicle is moving and thus preventing the mobile phone carried by the driver from sending and receiving mobile phone calls or text messages. | 01-15-2015 |
| 20160025857 | GEOLOCATION DEVICE - A geolocation device is disclosed. In one aspect, the geolocation device is adapted for receiving first radioelectric positioning signals from satellites. Each first signal has a first frequency and is generated from a first code specific to the satellite, from which stems the first signal. The device includes a first antenna configured to receive a geolocation signal, and a processing unit configured to determine a piece of positioning information of the device according to the geolocation signal which the first antenna is configured to receive. The device also includes a second antenna configured to emit at least one second signal, each second signal either being an emitted jamming signal, or an emitted spoofing signal and having a jamming or spoofing frequency spectrum including at least one of the first frequencies. | 01-28-2016 |
| 20160126628 | High-Power Microwave Beam Steerable Array and Related Methods - A steerable high-power microwave beam array includes an optical sub-system comprising a laser and an optical time delay unit and a parallel set of RF time delay units. The optical system and/or the RF delay subsystem are utilized to precisely delay the pulses from the microwave antenna elements to provide steerable beam forming. | 05-05-2016 |
| 20160146580 | DECOY - Modern military aircraft are prime targets for surface to air and air to air RF guided missiles. Modern missile systems in particular are difficult to counter and have an array of Electronic Protection Measures at their disposal. Expendable Active Decoys provide effective protection for fast jet platforms by creating a realistic false target that seduces the missile away from the protected platform. They can be fitted to almost all military platforms as they are expended from standard chaff and flare dispensers. Simple repeater devices have been produced in the past but they lack the sophistication to defeat modern threats. Digital RF Memory based jammers have the necessary capability but have always been too large due to their complexity. A system architecture, design features and technologies are disclosed to reduce the size of a Digital RF Memory 12 based jammer to fit within a volume 0.5I. | 05-26-2016 |
| 20160187463 | TUNABLE-FREQUENCY PULSE FORMING NETWORKS FOR HIGH POWER MICROWAVE APPLICATIONS - A tunable frequency transmission line pulse forming network circuit for forming a waveform having a spectral content. The pulse forming network circuit comprises a dielectric material; a ground section; a stepped shaped charged section, with the charged section having a plurality of stages including a first stage; a power supply coupled to the pulse forming network circuit for charging the pulse forming network circuit; a switch coupled to the pulse forming network circuit for periodically discharging the pulse forming network circuit; and an antenna coupled to the pulse forming network circuit for propagating a high-power microwave signal from the pulse forming network circuit into the environment. At least the first stage of pulse forming network circuit has one of a tunable magnetic material and a nonlinear magnetic which facilitates adjusting the waveform and the spectral content of the waveform emitted by the pulse forming network circuit into the surrounding environment. | 06-30-2016 |
