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| Number | Title | Issue Date |
| 7965220 | Smart chaff A chaff element for interfering with radar signals. The chaff element has a dielectric substrate and a pair of elongate electrically conductive elements, having a total length of approximately one-half wavelength of the radar signals or otherwise tuned to the radar ... | 06/21/2011 |
| 7932850 | Buoyant target with radar reflectivity A buoyant target comprises an inflatable structure with a drogue chute attached to the periphery of the bottom of the inflatable structure. The drogue chute is an open flexible structure with a bottom end weighted with ballast to deploy it, and with ports through it... | 04/26/2011 |
| 7365703 | Radar reflector A radar reflector including a first and a second radar corner. The radar corners are formed by an essentially rectangular first flat plate and a second and a third essentially flat plate arranged perpendicular to the first plate at two perpendicular edges of the fir... | 04/29/2008 |
| 7364488 | Methods and apparatus for enhancing inflatable devices Methods and apparatus for enhancing an inflatable device. In one example, a first component adapted to generate at least one of light and sound is coupled to a second component that is adapted to facilitate insertion into an inflatable device. The first component ma... | 04/29/2008 |
| 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 disposed on the exterior of the canopy integral with the first set of corn... | 02/26/2008 |
| 7333044 | Rocket-powered sensor target assembly A rocket tube for housing a reloadable rocket motor is connected to a spacer element and a wire-rider element. A sensor target for reflecting radar signals is screwably attached to the rocket tube. The sensor target is provided with a plug for effectively sealing on... | 02/19/2008 |
| 7245266 | Antenna directivity enhancer An antenna directivity enhancer to enhance the directivity of an antenna is disclosed. The enhancer has a 3-dimensional structure in a predefined 3-dimensional shape when operating to enhance the directivity of an antenna. The 3-dimensional structure can be flexibly... | 07/17/2007 |
| 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 a reflective film on the outer membrane, reflecting the energy outwar... | 05/29/2007 |
| 7201486 | Reflecting mirror support structure and adjusting method therefor A reflecting mirror support mechanism has at least one reflecting mirror panel (1), a support base (3) to finally support the reflecting mirror panel (1), and at least one reflecting mirror support member (2). The reflecting mirror suppor... | 04/10/2007 |
| 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 conductors integrated therein. The mounting plate can be incorporated ... | 01/30/2007 |
| 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 nonradiating surface wave. A drogue radiator is attached to the trailing... | 12/26/2006 |
| 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 the reflector. The antenna can use an inflatable collapsible transrefle... | 11/07/2006 |
| 7123201 | Radar antenna leveling system A remotely controllable, tiltable platform supports a radar transmitter/receiver for rotational movement of the radar relative to a mounting on a vessel, such as a mast of a sailboat or the superstructure of a power boat. A cowling extends upward from the foundation... | 10/17/2006 |
| 6993879 | Molded plastic truss work A molded plastic truss work includes an upper grid and a lower grid, with a plurality of interconnecting members interconnecting the grids. The upper grid includes longitudinal members and transverse members that extend between and interconnect the longitudinal memb... | 02/07/2006 |
| 6977624 | Antenna directivity enhancer An antenna directivity enhancer to enhance the directivity of an antenna is disclosed. The enhancer has a 3-dimensional structure in a predefined 3-dimensional shape when operating to enhance the directivity of an antenna. The 3-dimensional structure can be flexibly... | 12/20/2005 |
| 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 an inflatable ring 12 for focusing electromagnetic en... | 05/24/2005 |
| 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 state, wherein the support frame comprises a band that is suitable for be... | 03/08/2005 |
| 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 filled life vests. Additionally, inflatable life rafts with radar ref... | 03/08/2005 |
| 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) carrying a payload (8) launched from a platform (2) b... | 12/21/2004 |
| 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 state, to form a reflective surface, the device being charact... | 09/14/2004 |
| 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 serve as a radar wave reflector of a search radar. The radar reflecto... | 08/31/2004 |
| 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 reflective coating is attached to the plurality of tori to form a front refle... | 08/03/2004 |
| 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 conterminous corner reflectors, is thereby positioned within the ... | 05/27/2003 |
| 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 inflated, the radar reflective planar faces arranged in such... | 05/07/2002 |
| 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 an array of eight radar corner reflectors. Each corner re... | 10/09/2001 |
| 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 water craft accessories, such as cushion, life vest or padd... | 05/01/2001 |
| 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 in which plane waves are beneficial, such as in a compact r... | 09/05/2000 |
| 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 having two half plates each opposingly placed across the ... | 05/09/2000 |
| 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 three intersecting discs. A preferred embodiment includes ... | 10/19/1999 |
| 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 disc portions biased in a substantially perpendicular open p... | 11/17/1998 |
| 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 combined with electronic amplifying reflection devices such... | 05/12/1998 |
| 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 parafoil itself is colored International orange and conta... | 04/07/1998 |
| 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) applying a deforming force to diametrically opposed positi... | 11/12/1996 |
| 5530445 | 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 parafoil itself is colored International orange and conta... | 06/25/1996 |
| 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 is described. The composition comprises a chromophore cap... | 03/26/1996 |
| 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 suspension. The reflector is suspended inside a balloon which ... | 10/10/1995 |
| 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 against radars and radar-guided missiles by being towed on a l... | 03/14/1995 |
| 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 dielectric. Reflecting surfaces whether self supporting or no... | 02/08/1994 |
| 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 lying in three planes which intersect each other at right an... | 01/12/1993 |
| 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 confuses enemy radar either by removing or folding flat the ref... | 09/22/1992 |
