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7642948 |
Reflective layer
A reflective layer for attenuating electromagnetic radiation, the layer comprising at least one reflective component, the latter being selected from the group containing the following substances:...
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7623058 |
Electromagnetic wave absorbing plate
An electromagnetic wave absorbing plate composed of a transparent plate-like dielectric, wherein a thickness of the dielectric is determined such that an electromagnetic wave absorption quantity...
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7619575 |
Metallically gross layer decorative molded article for use in the beam path of a radar device
A metallically gross layer decorative molded article for use in the beam path of a radar device has a luxurious metallic design similar to the color tone of a chrome plating and the like that does...
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7564399 |
Shielded compartment for mounting a high frequency radar component on a printed circuit board
The shielded mounting module comprises a cover member and a box member . The box member includes a plurality of bosses formed in the bottom surface. Each of the bosses provide an electrical contact...
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7551117 |
All-weather radio wave absorber having reflector and object into which such absorber is integrated
The present invention provides an all-weather radio wave absorber having reflector capable of smoothly attenuating harmful microwave or millimeter wave from 400 MHz to 100 GHz generated from...
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7532155 |
Radar level gauging system
A radar level gauging system comprising a microwave unit for transmitting and receiving first microwaves having a first and second distinguishable characteristics, a microwave absorber adapted to...
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7511653 |
Radar wave camouflage structure and method for fabricating the same
A radar wave camouflage structure is disclosed. The radar wave camouflage structure comprises a substrate; a first layer on the substrate, comprising a first polymer matrix; magnetic nanoparticles...
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7508353 |
Exterior component disposed on front surface of radar device of vehicle
An exterior vehicle component includes a proximity member disposed along an outer perimeter of an electromagnetic wave transmission member provided at a center of the component which is disposed in...
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7479917 |
Electromagnetic wave absorber, manufacturing method thereof and electromagnetic wave anechoic room
An electromagnetic wave absorber has a configuration in which at least three hollow tetrahedrons, each having one open face, are connected to one another so that each surface opposite to a...
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7471233 |
Electromagnetic wave absorber
An electromagnetic wave absorber includes a first electromagnetic wave absorbent member containing a magnetic loss material, and a second electromagnetic wave absorbent member containing a...
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7427949 |
System and method of using absorber-walls for mutual coupling reduction between microstrip antennas or brick wall antennas
A multi-element antenna with sufficiently small return loss and mutual coupling signals to allow the simultaneous transmission of powerful radar signals and the reception of faint target return...
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7420500 |
Electromagnetic radiation absorber
An electromagnetic radiation absorber for absorbing radiation in the wavelength range λ min to λ max . The absorber has a conductor layer in contact with a dielectric layer. The conductor layer...
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7403152 |
Method and arrangement for reducing the radar cross section of integrated antennas
An antenna structure including an antenna 10 with an outer main surface 11 , where said antenna 10 is integrated in a surface of a surrounding material 20 . Further comprising a transition...
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7397414 |
Electromagnetic wave absorption complex, and method of producing the same
An electromagnetic wave absorber is formed by injection-molding a thermoplastic resin blended with approximately 20-60% by volume of soft magnetic material powder, and blended with a molding...
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7345616 |
Method and apparatus for reducing the infrared and radar signature of a vehicle
A radar-absorbing panel ( 9 ) includes a honeycomb core ( 11 ) and a lower skin ( 13 ), where the lower skin ( 13 ) is attached to the bottom of the honeycomb core ( 11 ). The honeycomb core ( 11 )...
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7336215 |
Electromagnetic radiation absorber based on magnetic microwires
The invention relates to an electromagnetic radiation absorber for a preselected frequency range, comprising:
an absorbent sheet ( 10 ) located such that said electromagnetic radiation falls...
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7310059 |
Transparent pane with radar-reflecting properties
The panes ( 1 ) of a naval vessel or military vehicle are often coated with a radar-reflecting layer ( 20 ) for reduction of the radar signature of the vessel/vehicle. At the same time this layer...
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7301493 |
Meta-materials based upon surface coupling phenomena to achieve one-way mirror for various electro-magnetic signals
A one-way reflective sensor shield with an increased bandwidth meta-materials coating is provided which substantially reduces or eliminates deleterious electronic signatures and backscattering. The...
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7239261 |
Electromagnetic wave absorption material and an associated device
The purpose of the present invention is to provide an easy-to-manufacture electromagnetic wave absorption material usable from submillimeter wave region to millimeter wave region with an excellent...
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7218266 |
Electromagnetic wave absorber, method of manufacturing the same and appliance using the same
An electromagnetic wave absorber for use in the high frequency range above 1 Ghz and a composite member are characterized by the fact that magnetic metal grains are covered with ceramic above 20...
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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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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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7204057 |
HF-reducing green roofing
The invention describes a HF-reducing green roof. This green roof comprises a support construction consisting of a layer of textile fibers and/or a substrate ( 12 ), a vegetation layer ( 14 ) of...
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7190301 |
Radio frequency anechoic chamber with nonperturbing wireless signalling means
An anechoic chamber ( 100 ) is provided with a system for introducing wireless communication signals into the anechoic chamber ( 100 ) for establishing wireless signaling with equipment under test...
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7136008 |
Low cost electromagnetic energy absorbers manufactured from conductive loaded resin-based materials
Electromagnetic energy absorbing devices are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive...
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7126525 |
Millimeter wave-radar and method for manufacturing the same
A millimeter-wave radar has a radome or radar cover including a layer, the dielectric constant of which is a greater than that of the other portion without the layer, or including a magnetic loss...
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7113123 |
Electromagnetic wave absorber and a process of producing same
An electromagnetic wave absorber having an excellent electromagnetic wave absorption characteristic in 5 to 6 GHz band. The electromagnetic wave absorber has a matrix and powder filled in the...
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7102562 |
Radio frequency anechoic chamber with improved test stand
A radio frequency anechoic test chamber ( 100 ) includes a test stand ( 118 ) that includes a relatively small diameter, mechanically robust, telescoping lower vertical support column ( 202 ), a...
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7035308 |
Method and system for countering laser technology
Described herein is a method and system for providing a countermeasure against laser detection systems using nanocomponent material that is tailored to cloak or obscure a target from detection by...
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6992314 |
Device for eliminating electromagnetic waves
Disclosed is a device for eliminating electromagnetic waves which consists essentially of an electromagnetic-wave trapping means comprising mainly a coil, and a discharge means made on the opposite...
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6943286 |
Electromagnetic wave absorber molding material, electromagnetic wave absorber molded element and method of manufacturing same, and electromagnetic wave absorber
An electromagnetic wave absorber comprises an electromagnetic wave absorber molded element, plate-shaped sintered ferrite, and a metal plate. The molded element incorporates a tile-shaped base...
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6888489 |
RF shielding elimination for linear array SAR radar systems
There is provided a radar system for protecting a radar compartment from a transmitted radar beam. The radar system comprises an antenna having a transmitter surface for transmitting the radar...
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6885332 |
Multi-piece gun barrel shroud system
The present invention is a multi-piece barrel shroud which provides IR signature and radar backscatter reduction over the entire length of the barrel by utilization of special radar absorbing...
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6873283 |
Reverse balloon
A rapidly deployable camouflage device for concealing recognizable signatures of military objects, comprising a camouflage balloon ( 1 ) and a deployment and undeployment device, the latter being...
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6870497 |
Radio wave absorber and production method thereof
A radio wave absorber is provided which can be produced at a low cost compared to the case of using silicon carbide fiber and which is also superior in radio wave absorption property in 76 GHz band...
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6867725 |
Combination low observable and thermal barrier assembly
The invention is a protective cover assembly having at least one part for a surface of a structure. In detail, the invention includes a first flexible layer of heat resistant material bonded to the...
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6850182 |
Electromagnetic wave absorber
An electromagnetic wave absorber comprising a soft magnetic material powder and a binding material, wherein the composition of the flat powder of the soft magnetic material is Ni-30-60% Fe, is...
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6793037 |
Structured molded parts for sound absorption
Structured pre-form bodies as panel lining for wide-band sound absorption are made of an open-cell foam material having a rigid framework co-vibrating in a resonant manner at low frequencies. The...
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6784419 |
Electromagnetic wave absorber
The present invention provides a flame-retardant electromagnetic wave absorber that exhibits excellent formability and electromagnetic wave-absorbing properties, and can be easily assembled and...
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6771204 |
Radio wave absorber
A radio wave absorber unit includes two or more molded bodies in a pyramid or wedge shape whose radius at the tip end is from 0.5 mm to 7.5 mm and a base. A radius at the trough between adjacent...
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6756932 |
Microwave absorbing material
A method of absorbing microwave radiation is provided. The method comprises placing a structure in the path of the microwave radiation, the structure comprising an array of metal plates supported...
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6756931 |
Electromagnetic wave absorber
An electromagnetic wave absorber including: a porous substrate having a large number of pores piercing the porous substrate; and an absorbent film formed on circumferential surfaces of the pores...
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6738008 |
Matching network hybrid electro-magnetic compatibility absorber
A matching network hybrid electro-magnetic compatibility (EMC) absorber. A substrate of any number of materials serves as the frame on which partial coatings are placed. Design parameters governing...
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6677881 |
Radio wave absorber
A magnetic material exhibiting a high permeability at a high frequency range is materialized and a radio wave absorber exhibiting an excellent radio wave absorbing property by using such magnetic...
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6662546 |
Gas turbine engine fan
An aircraft gas turbine engine is provided with low observable fan features which reduce the radar signature of the engine and its aircraft. An aircraft gas turbine engine fan section has in direct...
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6642881 |
Low frequency electromagnetic absorption surface
A radiation absorber comprising a substrate having free charges capable of being driven to form resonance charge density oscillators and a dielectric layer coated onto said surface wherein the...
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6613975 |
Member for assembling radio wave absorber and method of producing radio wave absorber
A radio wave absorber-assembling member comprises an incombustible base material enabled to assemble a desired-shape structure, and radio wave-absorbent incombustible materials fixed to...
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6538596 |
Thin, broadband salisbury screen absorber
The present invention provides a broadband RF absorptive structure based on a classic Salisbury screen. Closely-spaced frequency selective surface reflective layers interact with a ground plane to...
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6504501 |
Radio wave absorbing panel
A radio wave absorbing panel is made up of a first insulating substrate and a second insulating substrate disposed in parallel a predetermined distance apart and a middle insulating substrate...
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6473024 |
Electromagnetic wave absorber
An electromagnetic wave absorber including a mixture comprising a magnetic material particle and a binding material. The magnetic material includes a nucleus of an organic material and a magnetic...
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