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7460051 |
Radar reflector
A radar reflector which can be deployed from an aircraft and is intended to fly freely after deployment, and which includes multiple reflector surfaces that are essentially plane in an operative...
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7382332 |
Modular inflatable multifunction field-deployable apparatus and methods of manufacture
An modular, inflatable, multifunction, multipurpose, parabolic reflector apparatus having a plurality of manufactured parabolic mirrors made from a pressure-deformable reflective covering of an...
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7224322 |
Balloon antenna
A phased array balloon antenna having an inner membrane coupled to an outer membrane and a phased array antenna connected to an inner membrane. The phased array antenna transmits an energy towards...
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7170458 |
Inflatable antenna system
The present invention involves an inflatable antenna system including an inflatable antenna and a mounting plate. The inflatable antenna includes an inflatable cone or cylinder and a plurality of...
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7133001 |
Inflatable-collapsible transreflector antenna
A large aperture lightweight antenna uses an inflatable spherical surface deployed within a lighter than air platform. Beam steering is accomplished by moving the RF feedpoint(s) with respect to...
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6897832 |
Inflatable multi-function parabolic reflector apparatus and methods of manufacture
An inflatable, multifunction, multipurpose, parabolic reflector apparatus 10 having a plurality of manufactured parabolic mirrors 14, 16 made from a pressure-deformable reflective covering of...
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6864858 |
Radar reflecting rescue device
Radar reflective rescue and safety devices comprise radar permeable coverings around a plurality of reflectors. The radar reflective material may be incorporated into inflatable life vests or foam...
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6864824 |
Electromagnetic reflector
The present invention provides an electromagnetic reflector comprising a deployable support frame carrying at least one sheet element designed to form a reflective surface when in the deployed...
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6833804 |
Operation of a decoy against threats
A Radar Counter Measure System (RCMS) and method for operating a decoy as a Radar Counter Measure (RCM) against incoming airborne threats, wherein the RCMS consists of an airborne vehicle ( 6 )...
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6791486 |
Unfoldable electromagnetic reflector
The present invention relates to a device forming an electromagnetic reflector comprising a deployable support frame ( 100 ) carrying at least one cloth element ( 200 ) designed, in the deployed...
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6784825 |
Radar reflector apparatus
There is provided a radar reflector apparatus that is mounted in a lifeboat or a small rescue boat or in a floating buoy used for salvage or search practice, or is used by itself independently, to...
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6771229 |
Inflatable reflector
An inflatable antenna has a plurality of inflatable tori including a first toroidal member and a second toroidal member arranged one radially inward of the other. A front membrane having a...
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6570545 |
Apparatus and process for reflecting radar waves
A polyhedral-shaped inflatable structure having substantially continuous inner and outer flexible surfaces is inflatable with air or gas so that a radar reflector, comprising a plurality of...
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6384764 |
Inflatable radar reflector
A radar detectable balloon includes an inflatable envelope with several planar radar-reflecting surfaces. Prior to inflation, the balloon may be collapsed into a compact flat configuration. When...
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6300893 |
Emergency passive radar locating device
An emergency passive radar locating device for use by missing persons or craft to enhance their survivability in a search and rescue operation. The emergency passive radar locating device comprises...
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6225940 |
Radar reflecting system and method for small water craft
A detection system for small water craft, such as a kayak. Radar reflective material is incorporated in the surface of the kayak or other water craft, and also is incorporated in surface areas of...
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6115003 |
Inflatable plane wave antenna
This invention is directed to a apparatus that includes an inflatable antenna reflector assembly for generating electromagnetic plane waves. The apparatus can be used in a variety of applications...
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6061012 |
Rotational handy radar reflector
Three reflector plates comprising: a lateral reflector plate having two half plates each opposingly placed across a rotation supporting shaft introduced therebetween, a longitudinal reflector plate...
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5969660 |
Inflatable radar reflectors
Inflatable radar reflectors comprising three mutually orthogonal radar reflective planes incorporated within the structure thereof can take the form of a teardrop, a cylindrical drogue or a set of...
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5838275 |
Marine personal locator and automatic opening omnidirectional radar retroreflector incorporated therein
An improved omnidirectional radar retroreflector and marine personal locator incorporating same. One embodiment of the radar retroreflector includes first and second collapsible radar reflective...
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5751238 |
Active corner reflector
An apparatus and method for providing small size, high gain corner reflection of radio frequency signals for use in military and commercial applications. Conventional corner reflector practice is...
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5736954 |
Parafoil-borne distress signals
Distress signal kits comprise a parafoil for carrying aloft various emergency or distress signals such as radar reflective materials, lights, flares, distress flags or smoke signals. Preferably the...
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5574472 |
Simplified spacecraft antenna reflector for stowage in confined envelopes
A method for stowing a unitary flexible antenna reflector 10 in a confining envelope and deploying the reflector from the envelope. In a most general sense, the invention includes the steps of: a)...
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5501724 |
Coating composition for attenuating reflection of electromagnetic radiation
A coating composition for the attenuation of the reflection electromagnetic radiation and particularly electromagnetic radiation have a wavelength of greater than 800 nm including the near infrared...
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5457472 |
Corner reflector for use in a radar balloon
A balloon with an internal corner reflector for radio waves is built with the reflecting plane of the reflector freely suspended from a cord frame system which is only secured in the points of...
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5398032 |
Towed multi-band decoy
The towed multi-band radar decoy or target is a collapsible, airstream-inflatable device intended to be used for providing gunnery practice or electronic countermeasure protection for aircraft...
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5285213 |
Electromagnetic radiation reflector
A reflector (3) may be mounted in a hollow housing (2) adapted to fly in ambient air. The reflector device (3) may be formed from a coating on the surfaces of blocks, the coating being metal or...
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5179382 |
Geodesic radar retro-reflector
An improved radar retro-reflector providing overlapping coverage at low angles of elevation comprises a plurality of three-corner retro-reflectors made of electromagnetically reflective material...
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5150122 |
Military aircraft
An aircraft (1) includes a radar reflector (2) arranged so that the radar signature of the combination of aircraft (1) and reflector (2) is different from that of the aircraft (1) alone. This...
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4901081 |
Elliptical inflatable radar reflector
Improved radar reflector apparatus which includes a collapsible and inflatable radar wave permeable envelope which when inflated assumes the shape of an ellipsoid. The ellipsoid envelope surround a...
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4885591 |
Method and apparatus for monitoring ice masses
A method and apparatus is disclosed for monitoring ice masses wherein a signal transmitter is attached to an ice mass and receivers are used to detect the location of the transmitter.
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4740056 |
Collapsible corner reflector
A compactible decoy device. A decoy device according to this invention has a body of resilient foam material having at least one and preferably more radiation reflecting surfaces disposed within...
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4695841 |
Method for deceiving active electromagnetic detectors and corresponding decoys
A rope is pulled between an end member such as a parachute forming a sail with regard to the wind and a main floating anchor located at the other end. This rope is connected at chosen intervals to...
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4673934 |
Inflatable radar reflector
Improved radar reflector apparatus of the type comprising a collapsible and inflatable envelope surrounding a collapsible reflector array made of reflectors which, when the envelope is inflated,...
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4503101 |
Foldable, pop-open corner reflector decoy target articles
A novel foldable and essentially self-opening, light weight, multi-panel ice which preferably is primarily useful as a collapsible, expendable or retrievable and reusable reflector type military...
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4195298 |
Target radar reflector
A radar reflector has at least six corner reflectors directed outwardly of a major axis. The reflectors are disposed along two successive helical paths one of which paths is sinistrorse and the...
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4120259 |
Visual and radar emergency detection balloon
A kit containing an inflatable balloon, a length of tethering cord attached to a balloon harness and a container of gas for inflating the balloon. The harness is formed of four shaped flat cards,...
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4119965 |
Radar reflector
A foldable radar reflective target in which top and bottom quarter plates are respectively connected to the top and bottom surfaces of a generally planar base plate. In a storage position, the...
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4063241 |
Radar reflector
A radar reflector is made from six ribs which may be formed from six pairs of rods hinged to a central hub so that when unfolded the ribs are mutually orthogonal. The reflecting surface comprises...
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4028701 |
Quasi-corner reflectors for electromagnetic radiation
An assembly of collapsible quasi-corner reflectors which when folded and compressed forms a small, compact and easily deployable device for reflecting electromagnetic radiation. Upon being...
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3671965 |
RAPID DEPLOYMENT CORNER REFLECTOR
A readily deployable, lightweight radar reflector having a large radar siture, the invention is compactly stowable aboard a carrier vehicle, immediately assuming an erect configuration on ejection...
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3568191 |
METHOD FOR DEFENDING AN AIRCRAFT AGAINST A FRONTAL ATTACK
A method for defending an aircraft against a frontal attack by an interceptor comprising, launching a rocket in the direction of travel of said aircraft, said rocket containing in a collapsed...
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3451060 |
CORNER REFLECTOR
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3449747 |
IMPACT-ACTUATED OBJECT LOCATOR
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3296617 |
Target kite
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3283328 |
Sounding balloon and target assembly
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3277479 |
Passive communications satellite
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3276017 |
Inflatable support structure
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3229292 |
Snorkel simulator
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3229291 |
Ship simulator
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