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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 434/2 - Radar


Subclass of Class 434 - Education and demonstration
Definition: Subject matter relating to teaching or demonstrating the
No. of patents: 90
Last issue date: 12/20/2011


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NumberTitleIssue Date
8081921Flight training and synthetic visualization system and method
A low-cost training and synthetic visualization system and method directed to improving an individual's airborne performance in general aviation, skydiving, and other aerial applications. The system is comprised of a self-contained mobile sensor and data storage dev...
12/20/2011
7848698Flight training and synthetic flight simulation system and method
A low-cost training and synthetic visualization system and method directed to improving an individual's airborne performance in general aviation, skydiving, and other aerial applications. The system is comprised of a self-contained mobile sensor and data storage dev...
12/07/2010
7370836Missile defense system and methods for evading heat seeking missiles
A method for aiding a helicopter pilot to avoid a heat seeking missile includes the step of detecting a threat from a missile. The method also includes the step of reducing heat emanating from the helicopter's engine and rapidly reducing altitude. Then, when the thr...
05/13/2008
7372398Electronic target position control at millimeter wave for hardware-in-the-loop applications
An apparatus for use in controlling a simulated target position in a millimeter wave, hardware-in-the-loop system includes a pair of horns and a conditioning circuit. The conditioning circuit is capable of generating a pair of output millimeter wave signals, each to...
05/13/2008
7367531Systems and methods for evading heat seeking missles
A method and system in an airborne aircraft to evade a heat seeking missile includes the steps of detecting the launch or “lock on” of a heat seeking missile and reducing the radiation from the aircraft's engine by reducing the engine speed to idle. The method m...
05/06/2008
7365673Compression and transmission of weather data
Weather radar reflectivity data is compressed by converting radar data to image pixels. Next, contours are traced from select groupings of the pixels. Control points are derived from the contours. The control points represent a compressed version of the radar data a...
04/29/2008
7363121System, method and apparatus for searching geographic area using prioritized spatial order
A spatial data search method, system and apparatus for identifying particular data of significance around a reference vector through the spatial data. The method involves determining a reference vector within a spatial region for which spatial data exists, loading a...
04/22/2008
7352317Data compression system and method for a weather radar system
A method of compressing data in a weather radar system utilizes a compression system. Weather radar data associated with graphical images provided on a weather radar display is compressed for downloads or downlinks from the airplane or storage on the airplane. The w...
04/01/2008
7348919System and method for evaluating the performance of a scan strategy
A system and method is provided for detecting emitter signals and for determining a scan strategy for a receiver system that receives such emitter signals. Once a scan strategy is computed, it may be desirable to evaluate the scan strategy's intercept performance ag...
03/25/2008
7339516Method to provide graphical representation of Sense Through The Wall (STTW) targets
A method to present easily understood images that represent targets that are detected through walls or other opaque barriers is disclosed. This method is particularly well suited for sense-through-the-wall radar systems. One of the main challenges of evolving STTW s...
03/04/2008
7327308Programmable method and test device for generating target for FMCW radar
A test device for a frequency modulated continuous wave (FMCW) radar is provided. The test device has a central control unit for monitoring the FMCW radar. When the FMCW radar transmits a frequency modulated continuous signal to search for a target, the central cont...
02/05/2008
7263230Narrow field abstract meta-data image compression
An image compression technique in which patterns identified, the means of separating the image components, the parameterization of the patterns, and the lower level numerical encodings are all designed around a narrow class of images, such as two-dimensional project...
08/28/2007
7242346Pulse descriptor word generator
A portable apparatus and a method for inserting digitized previously recorded or fabricated radio frequency (RF) pulse descriptor word (PDW) data files into an electronic surveillance (ES) system to realistically simulate a complex RF environment. The apparatus incl...
07/10/2007
7161531High performance radar display
A scan conversion is provided which allows the scan converter to work with data in its most convenient format in a radar memory. A displayable image is mirrored to a graphics memory simultaneously with the write portion of the radar memory of the scan conversion pro...
01/09/2007
7145504Arbitrary radar target synthesizer (arts)
A system for generating a simulated radar return signal. The novel system includes a processor adapted to receive target and waveform parameters and in accordance therewith generate a composite digital signal, and a digital to analog converter adapted to convert the...
12/05/2006
7132977Target identification from a pool of targets using a new adaptive transmitter-receiver design
A design methodology for jointly optimizing the transmit waveform and receiver filter for multiple target identification is presented in presence of transmit signal dependent clutter like interference and noise. The methodology is applied and illustrated for various...
11/07/2006
7038616Target identification from a pool of targets using a new adaptive transmitter-receiver design
A design methodology for jointly optimizing the transmit waveform and receiver filter for multiple target identification is presented in presence of transmit signal dependent clutter like interference and noise. The methodology is applied and illustrated for various...
05/02/2006
7020434Animated radar signal display with fade
An exemplary embodiment of the invention relates to a computer-based program and system for displaying visually realistic raw radar signals. The computer program includes a RADAR display fade algorithm. The algorithm includes alpha blending and texture mapping for p...
03/28/2006
7018482Method of manufacturing electronic devices, and apparatus for carrying out such a method
A method of manufacturing electronic devices, in particular, but not exclusively, semiconductor devices, and apparatus for carrying out such a method, in which method wafers 1, which are provided at a surface 2 with a material 3 to be removed, a...
03/28/2006
7015924Display apparatus and image encoded for display by such an apparatus
In a system for storing and displaying images, such as in a personal computer or mobile telephone, a display apparatus is provided which selectively displays virtual reflections of the real environment according to mirror values encoded with the stored image. A came...
03/21/2006
6950057Complex radar target simulator
A complex radar target emitter having independent control of three radio frequency (RF) radiation field characteristics, the radiation field characteristics being the real and imaginary components of the complex amplitude of the radiation field, the spatial derivati...
09/27/2005
6492939Phase coherent optically delayed radar target
A radar target with delayed reply means. The radar target contains devices for: (a) receiving a radar signal which has a frequency of from about 0.5 to about 94 gigahertz, (b) phase coherently amplitude modulating a continuous wave light emission with the...
12/10/2002
6346909System for generating simulated radar targets
A system is disclosed for generating simulated radar targets that eliminates the necessity for large outdoor test ranges and is relatively low in cost. The simulated radar target generating system provides complex targets of given simulated dimensions at ...
02/12/2002
6298318Real-time IMU signal emulation method for test of Guidance Navigation and Control systems
A real-time IMU emulation method for GNC method includes the step of receiving real-time flight data from a 6DOF flight simulator and generating simulated IMU electronic signals according to the IMU measurement modules and error modules defined by the use...
10/02/2001
6150976Synthesis of overlapping chirp waveforms
A digital radar landmass simulator (DRLMS) used for stimulation testing pulse radars, wherein the DRLMS operates by synthesizing time-overlapping chirp waveforms using finite impulse response filters. The DRLMS, thus, effectively generates many overlappin...
11/21/2000
6067041Moving target simulator
A moving target simulator for testing a radar system has a radio frequency receiver, a digital radio frequency memory in electrical communication with the radio frequency receiver for storing a signal received thereby, a digital delay circuit in electrica...
05/23/2000
6037897Apparatus and methods for moving target indicator simulation
A moving target simulator system for pulse Doppler radar includes a processor for processing received radar signal and transforming the signal into patterned pulses before subjecting the patterned pulses to an 180 degree phase-shift by a phase-shifter. Th...
03/14/2000
5885086Interactive video delivery system
An interactive video delivery system (IVDS) is used in conjunction with sware for training purposes. The IVDS emulates a tactical display system sonar console by using software to provide its input information. The tactical display system sonar console u...
03/23/1999
5807109Airborne avionics simulator system
An airborne avionics simulator system integrated into a low-cost host aircraft to simulate the avionics of a high performance aircraft. The simulated avionics system includes for example radar, radar warning, chaff, radar locks, weapons systems, electroni...
09/15/1998
5680138Synthetic aperture radar simulation
In a simulated synthetic aperture radar SAR, a terrain elevation model is provided. A phase component of the simulated SAR data is computed by determining a distance between incremental terrain points and a simulated SAR platform modulo the wavelength. Th...
10/21/1997
5630718Weather simulation system
A weather simulation system that generates and distributes weather data to simulation subsystems for the real time simulation of weather conditions, from three-dimensional real world data. A real world database is accessed to obtain a dataspace of weather...
05/20/1997
5606500State machine for integrated ASE sensors
An integrated aircraft survivability equipment state machine. Aircraft survivability sensors provide aircraft survivability states that are routed to a finite state machine. Data processing, data generation, data representation, queueing tactical informat...
02/25/1997
5598359Weather effects generator for simulation systems
A weather effects generator that generates weather data based on real-world weather data, and provides this data to a host simulator. The type of data provided and the spatial distribution of the data depend on the type of simulation. A real world databas...
01/28/1997
5583509Communications electronic warfare trainer
A communications electronic warfare trainer that includes apparatus and a thod by which a training umpire can control the localized jamming of a victim communications system. A control signal containing an address and duration of jamming is generated and ...
12/10/1996
5549477Integrated aircraft survivability equipment in-flight simulation
An in-flight simulator for an integrated aircraft survivability equipment system controlling radar warning receiver and a radar jammer with countermeasures control provides a training module which emulates the existence of airborne threats. The airborne t...
08/27/1996
5508928Aircraft survivability system state management
Aircraft survivability system state management is based on system mode, time, altitude, aircraft position, reference radius, and manual aircraft survivability equipment configuration select. The system mode is used with a segment number to begin system co...
04/16/1996
5489211Method of simulating the presence of clouds in a scene
The present invention discloses a method of incorporating at least one copy of a real a cloud into a simulated or real two-dimensional scene by extracting the radiance and transmittance from a real cloud; converting the radiance and transmittance of the c...
02/06/1996
5480305Weather simulation system
A weather simulation system that generates and distributes weather data to simulation subsystems for the real time simulation of weather conditions, from three-dimensional real world data. A real world database is accessed to obtain a dataspace of weather...
01/02/1996
5461571Complementary thread display method and apparatus
A complementary threat display where threat data provided by a pulsed radar jammer and a continuous wave radar jammer are correlated with the threat data provided by a radar warning receiver. The correlation identifies common threats seen by both sensors ...
10/24/1995
5431568Radar target generator
A radar target generator is disclosed which is not merely a simulator, generating video information for viewing by an operator, but is designed to be used in conjunction with an operating radar system, actually producing high fidelity radar targets, rathe...
07/11/1995
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