|
Match
|
Document |
Document Title |
|
|
8183468 |
Electromagnetic bandgap structure, printed circuit board comprising this and method thereof
An electromagnetic bandgap structure and a printed circuit board including it as well as a method of manufacturing thereof that can solve a mixed signal problem between an analog circuit and a...
|
|
|
8184057 |
Wideband composite polarizer and antenna system
A composite polarizer including a first polarizer having a plurality of parallel metal vanes and a second polarizer having a plurality of parallel layers of dielectric material is provided. The...
|
|
|
8164542 |
Antenna using a PBG (photonic band gap) material, and system and method using this antenna
An antenna uses a photonic forbidden band (PFB) material in which, by default, a surface (26) for injecting and/or receiving electromagnetic waves in a resonance cavity of the antenna (8) has at...
|
|
|
8159413 |
Double-stacked EBG structure
In a double-stacked electromagnetic bandgap (EBG) structure, a first conductive plane and a second conductive plane are spaced apart in parallel. At least two EBG layers are embedded in parallel...
|
|
|
8153907 |
Electromagnetic bandgap structure and printed circuit board
An electromagnetic bandgap structure and a printed circuit board that solve a mixed signal problem are disclosed. In accordance with embodiments of the present invention, the electromagnetic...
|
|
|
8149180 |
Antenna with resonator having a filtering coating and system including such antenna
The invention relates to an antenna for transmitting or receiving electromagnetic waves at a working frequency fT, that comprises a resonator with a filtering (49) coating that covers the major...
|
|
|
8130171 |
Lens for scanning angle enhancement of phased array antennas
A method and apparatus for a negative index metamaterial lens. The method is used for creating a negative index metamaterial lens for use with a phased array antenna. A design is created for the...
|
|
|
8125402 |
Methods and apparatus for multilayer millimeter-wave window
Methods and apparatus for a multilayer millimeter-wave window according to various aspects of the present invention operate in conjunction with a multilayer window that is substantially transparent...
|
|
|
8120546 |
Indefinite materials
A compensating multi layer material includes two compensating layers adjacent to one another. A multi-layer embodiment of the invention produces sub-wavelength near-field focusing, but mitigates...
|
|
|
8106851 |
Variable metamaterial apparatus
Artificial materials, such as metamaterials, include adjustable properties. In some approaches the properties are adjustable according to active feedback of interaction with electromagnetic waves.
|
|
|
8106850 |
Adaptive spectral surface
In various embodiments, an adaptive spectral surface is provided including an upper layer having a frequency selective surface, a lower layer being at least partially reflective, and an active...
|
|
|
8098213 |
Frequency selective surface structure for filtering of single frequency band
There is provided provided a frequency selective surface (FSS) structure for filtering a single frequency band, including: a plurality of unit cells arranged at a predetermined distance, wherein...
|
|
|
8094081 |
Dual band radio frequency (RF) and optical communications antenna and terminal design methodology and implementation
A dual-band antenna is provided that combines two normally disparate communications modes into a single compact aperture minimizing overall mass and volume, while maintaining high performance...
|
|
|
8085202 |
Wideband, high isolation two port antenna array for multiple input, multiple output handheld devices
A multiple input-multiple output antenna assembly with high isolation between the antennas is disclosed. The antenna assembly includes a substrate with a ground layer at its surface. Two antennas...
|
|
|
8081138 |
Antenna structure with antenna radome and method for rising gain thereof
An antenna structure includes a radiating element and an antenna radome. The antenna radome has at least one dielectric layer, which has an upper surface having many S-shaped metal patterns and a...
|
|
|
8081117 |
Antenna device
An antenna device according to this invention having: a transmission antenna which is the first antenna element formed on a surface of a substrate; and a receiving antenna which is the second...
|
|
|
8077104 |
Passive anti-jamming antenna system
System and method for improving the interference resistance of an radio frequency (RF) antenna system through passive prescreening of the RF energy incident upon the antenna. The invention...
|
|
|
8071931 |
Structures, systems and methods for harvesting energy from electromagnetic radiation
Methods, devices and systems for harvesting energy from electromagnetic radiation are provided including harvesting energy from electromagnetic radiation. In one embodiment, a device includes a...
|
|
|
8059062 |
Antenna circuit and transponder
An antenna circuit and a transponder with the antenna circuit are provided for forming a resonant circuit. The antenna circuit includes a substrate, an antenna conductor, and a sheet metal. The...
|
|
|
8044862 |
Antenna system having electromagnetic bandgap
An antenna system includes an antenna transmitting and receiving a signal; a power feeding line feeding electric power to the antenna; and a metal conductor ground electrically connected to the...
|
|
|
8026862 |
Electromagnetic compression apparatus, methods, and systems
Apparatus, methods, and systems provide electromagnetic compression. In some approaches the electromagnetic compression is achieved with metamaterials. In some approaches the electromagnetic...
|
|
|
8013316 |
Metallic screens for sub-wavelength focusing of electromagnetic waves
A method and apparatus for near-field focusing of an incident wave, over a range of frequencies from microwaves to optical frequencies, into a sub-wavelength spot having a peak-to-null beamwidth of...
|
|
|
8004474 |
Non-cutoff frequency selective surface ground plane antenna assembly
Described is an apparatus and method for reducing noise in an information bearing signal is provided. A feeding element receives dual-polarized wideband electromagnetic signals. The feeding element...
|
|
|
8003965 |
Apparatus for sub-wavelength near-field focusing of electromagnetic waves
Planar sub-wavelength structures provide superlensing, i.e., electromagnetic focusing beyond the diffraction limit. The planar structures use diffraction to force the input field to converge to a...
|
|
|
7999747 |
Gas plasma microdischarge antenna
A gas plasma antenna with a rigid, flexible, or semi-flexible substrate and an improved method of generating a uniform electron density. The antenna comprises a gas discharge device containing a...
|
|
|
7994984 |
Antenna apparatus
There is provided with an antenna apparatus, including: a finite ground plane; planar elements arranged along and on both sides of a first gap line or a second gap line that is orthogonal to the...
|
|
|
7990328 |
Conductor having two frequency-selective surfaces
An antenna having two frequency-selective surfaces is disclosed. The antenna includes a first frequency-selective surface (FSS) having multiple holes to form a mesh, a second FSS having a multiple...
|
|
|
7982673 |
Electromagnetic band-gap structure
An electromagnetic band gap structure is provided including a ground plane and a periodic planar arrangement of surface elements mounted parallel to and at a predetermined distance from the ground...
|
|
|
7982686 |
Frequency selective surfaces
A freestanding frequency selective surface (FSS) is provided which comprises at least one shorted resonance aperture element (12). The shorted resonance aperture element provides a sensitivity to...
|
|
|
7982687 |
Ka/Ku outdoor unit configuration using a frequency selective surface
Methods, systems, and apparatuses for receiving signals from communications satellites are disclosed. An antenna unit for receiving signals transmitted from a plurality of communications satellites...
|
|
|
7969165 |
Device for determining the distance between a rotor blade and a wall of a turbine engine surrounding the rotor blade
A device for determining distance between a rotor blade and a wall of a gas turbine surrounding the rotor blade is provided. A waveguide guides and emits electromagnetic waves of at least one...
|
|
|
7965521 |
Electromagnetic bandgap structure and printed circuit board
An electromagnetic bandgap structure and a printed circuit board that can solve a mixed signal problem between an analog circuit and a digital circuit are disclosed. In accordance with an...
|
|
|
7952526 |
Compact dual-band resonator using anisotropic metamaterial
A dual-band resonator with compact size, such as a resonant type dual-band antenna, which uses an anisotropic metamaterial is described. The artificial anisotropic medium is implemented by...
|
|
|
7952533 |
Antenna element and frequency reconfiguration array antenna using the antenna element
A frequency reconfiguration array antenna includes a metal plate and a plurality of antenna elements. The antenna element includes a plurality of radiators and at least one switch for connecting...
|
|
|
7936310 |
High-impedance substrate
A high-impedance substrate is provided, which includes a metallic plate employed as a ground plane, a resonance circuit layer spaced away from the metallic plate by a distance âtâ, the res...
|
|
|
7936232 |
Substrate for semiconductor package
A substrate for a semiconductor package includes a dielectric substrate, a circuit pattern formed on a first surface of the dielectric substrate, and an electromagnetic band gap (EGB) pattern. The...
|
|
|
7929147 |
Method and system for determining an optimized artificial impedance surface
A method and system for determining an optimized artificial impedance surface is disclosed. An artificial impedance pattern is calculated on an impedance surface using an optical holographic...
|
|
|
7928900 |
Resolution antenna array using metamaterials
An antenna array includes at least one transmit array comprising a plurality of metamaterial elements. The antenna array further includes at least one near-field stimulator for inputting...
|
|
|
7925222 |
Method and system for simultaneous FM transmission and FM reception using a shared antenna and a direct digital frequency synthesizer
Certain aspects of a method and system for simultaneous FM transmission and FM reception using a shared antenna and a direct digital frequency synthesizer (DDFS) may be disclosed. In a FM...
|
|
|
7911386 |
Multi-band radiating elements with composite right/left-handed meta-material transmission line
Dual-band and multi-band radiating elements are described based on composite right/left-handed (CRLH) meta-material transmission line (TL). These elements can operate as resonators and/or antennas...
|
|
|
7911407 |
Method for designing artificial surface impedance structures characterized by an impedance tensor with complex components
A method for designing artificial impedance surfaces is disclosed. The method involves matching impedance component values required for a given far-field radiation pattern (determined, for example,...
|
|
|
7903040 |
Tunable arrangements
The present invention relates to a tunable microwave/millimeter-wave arrangement comprising a tunable impedance surface. It comprises an Electromagnetic Bandgap Structure (EBG) (Photonic Bandgap...
|
|
|
7884718 |
Frequency selective surface aids to the operation of RFID products
The present invention is directed to systems that use frequency selective surfaces (FSS) to aid in the operation of radio frequency identification (RFID) devices and products. In one embodiment, a...
|
|
|
7884778 |
Antenna structure with antenna radome and method for rising gain thereof
An antenna structure includes a radiating element and an antenna radome. The antenna radome has at least one dielectric layer, which has an upper surface having many S-shaped metal patterns and a...
|
|
|
7868839 |
Planar scanner antenna for high frequency scanning and radar environments
A planar scanning antenna is configured for scanning and tracking. In one embodiment, the planar scanning antenna may include a transducer module configured to provide an electromagnetic beam....
|
|
|
7859482 |
Frequency selective surface waveguide switch
A waveguide switch is shown. The waveguide switch includes a frequency selective surface and a biasing diode configured to selectively provide a short between an outer metal loop and an inner metal...
|
|
|
7859476 |
Phase-shifting cell having an analogue phase shifter for a reflectarray antenna
The present invention relates to the production of reflectarray antennas, that is to say antennas consisting of a primary illumination source and a phase-shifting plate consisting of an array of...
|
|
|
7855691 |
Automotive radar using a metamaterial lens
An example apparatus comprises an electromagnetic source, such as an antenna, a metamaterial lens, and a reflector. The antenna is located proximate the metamaterial lens, for example supported by...
|
|
|
7855689 |
Antenna apparatus for radio communication
An antenna apparatus has a ground plane and a traveling-wave linear antenna The ground plane has a dielectric layer and metallic plates disposed on the dielectric layer. The plates placed on a...
|
|
|
7851761 |
Multi-band terahertz receiver and imaging device
Multi-band polarized receiver-emitter THz domain visualization device that includes a group of elemental receiver units made from a resonant system sensitive to frequency and polarization, a...
|