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7586464 |
Broadband leaky wave antenna
An antenna comprises a conically shaped body of dielectric material. Cross-sections of the body have truncated elliptical shape, wherein each shape is truncated substantially through a first focus...
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7541994 |
Refractive compact range
A radio-frequency-device test range (the Refractive Compact Range) includes a physical space having a source zone for placing an antenna or array of antennas, and a test zone for placing a sensor...
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7538728 |
Antenna and resonant frequency tuning method thereof
A dual-band dielectric resonator antenna (DRA) is designed by splitting a rectilinear DR and carving notches and tunnels off the DR. The antenna comprises a substrate, a microstrip line, a ground...
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7525501 |
Bicone pattern shaping device
A broadband omni-directional bicone antenna. The antenna can comprise conductive surfaces of conical voids provided within a solid dielectric structure. The outside surface of the solid structure...
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7502764 |
Method for deciding array spacing of array antenna by using genetic algorithm and array antenna having sofa structure with irregular array spacing
A method for determining an array space of an array antenna by using a genetic algorithm and an array antenna having a soft structure with irregular array spacing are disclosed. The array antenna...
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7492329 |
Composite material with chirped resonant cells
A composite material comprising a dielectric material and a plurality of non-overlapping local resonant cell groups disposed across the dielectric material is described. Each local resonant cell...
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7463214 |
Method and apparatus for steering radio frequency beams utilizing photonic crystal structures
An RF beam steering device according to present invention embodiments employs a prism assembly to steer an RF beam. The prism assembly includes a plurality of dielectric prisms each with an...
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7446711 |
High dielectric antenna substrate and antenna thereof
A high dielectric antenna substrate and antenna thereof are provided. The substrate includes a first dielectric layer having a first dielectric constant, and a second dielectric layer having a...
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7443363 |
Compact dielectric resonator antenna
A dielectric radiator antenna arrangement for a communication device having a ground plane is provided. The antenna arrangement may include a dielectric volume having a central axis normal to the...
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7420525 |
Multi-beam antenna with shared dielectric lens
An integrated multi-beam antenna with a shared dielectric lens is disclosed. The antenna is formed by positioning the feed apertures of a plurality of waveguide feeds at positions located on the...
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7403166 |
Communication system with broadband antenna
A communication system including an antenna array with feed network coupled to communication electronics. In one example, a communication subsystem comprises a plurality of antennas each adapted to...
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7355560 |
Dielectric lens, dielectric lens device, design method of dielectric lens, manufacturing method and transceiving equipment of dielectric lens
A design process first determines a desired aperture distribution, then converts the electric power conservation law, Snell's law on the rear face side of a dielectric lens, and the formula...
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7348934 |
Lens antenna system
A compact lens antenna assembly A which is a Luneberg lens antenna comprising a hemispherical lens and a reflecting plate so as to converge incoming radio waves on a feed, and which can receive...
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7339551 |
Reflective fresnel lens for sub-millimeter wave power distribution
A reflective Fresnel lens for shaping an incident wave for efficiently delivering the incident wave to an array of receivers, having a wavelength within a predetermined range. The Fresnel lens...
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7333070 |
Radio wave lens antenna device
An antenna device using an approximate Luneberg lens, wherein high gain and low side-lobe are made compatible. A lens antenna device comprising, combine with each other, a radio wave lens ( 1 )...
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7330161 |
Antenna, radio device, method of designing antenna, and method of measuring operating frequency of antenna
An antenna comprises a first conductive layer, a second conductive layer and an LC resonance circuit. The first conductive layer has plural elements and is disposed adjacently to each other. The...
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7292204 |
Dielectric resonator antenna with a caved well
A dielectric resonator antenna is a dielectric resonator mounted on a feed-in/feed-out component. The dielectric resonator is a rectangular parallelepiped made of a dielectric, and has a caved well...
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7253789 |
Dielectric resonator antenna
There is disclosed a dielectric resonator antenna adapted to resonate in an EH 11δ resonance mode, and also a method for the manufacture thereof. The desired resonance mode is achieved by careful...
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7212169 |
Lens antenna apparatus
In a lens antenna apparatus, a guide rail is formed along the outer surface of a hemispherical lens of a hemispherical lens antenna, and a plurality of radiators are positioned and fixed on the...
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7179844 |
Dielectric resin foam and lens for radio waves using the same
It is an object of the present invention to provide a dielectric resin foam which has high and uniform dielectric properties and is preferable for use as various dielectric materials. A dielectric...
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7180468 |
Object detecting device
To provide an object detecting device having a capability of sufficiently adjusting the detection areas to suit to the environment in which it is installed, the object detecting device includes an...
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7161535 |
Electrically small dielectric antenna with wide bandwidth
A dielectric antenna comprising a dielectric element mounted on a first side of a dielectric substrate, a microstrip feed located on the first side of the substrate and extending between the...
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7161555 |
Dielectric antenna and radio device using the same
A dielectric antenna of the present invention includes a pillar-shaped dielectric section for radiating an electromagnetic wave being fed thereto. The dielectric section includes a depressed...
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7119758 |
High frequency, multiple beam antenna system
The high frequency, multiple beam antenna system comprises a focusing device having a profile of revolution created by the cross section of a dielectric lens rotating about an axis located in its...
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7119755 |
Wave antenna lens system
An array of dielectric wave antennas is disclosed. Each wave antenna has a central dielectric portion and two dielectric tapered portions, disposed on opposite sides of the central dielectric...
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7088309 |
Lens antenna
A lens antenna including a lens body and/or a matching layer. In the lens antenna, lens body may be formed by a material containing thermoplastic elastomers. When a matching layer is formed on the...
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7075496 |
Fan-beam antenna
An object of the invention is to provide a fan-beam antenna which comprises a flare which is long in a horizontal direction thereof and whose cross section is horn-shaped, and a water-proof box...
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7042416 |
Dielectric resonator antenna with mutually orthogonal feeds
A multi-polarisation dielectric resonator antenna ( 1 ) having three mutually orthogonal feeds ( 5 a, 5 b , 5 c ) displaying C 3V point group symmetry is disclosed. The antenna ( 1 ) may be...
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6982676 |
Plano-convex rotman lenses, an ultra wideband array employing a hybrid long slot aperture and a quasi-optic beam former
A multiple slot antenna wherein the slots are arranged in a planar configuration and therein the antenna further comprises a plurality of plano-convex Rotman lenses disposed in a stack, each...
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6980169 |
Electromagnetic lens
In an exemplary apparatus implementation, an electromagnetic lens includes: an input section including multiple input probes and a curvilinear input reflector; an output section including multiple...
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6911956 |
Array antenna
Dielectric lenses ( 6 ) with an outer dimension of about 0.5 to 1.5 times a wavelength are arranged on front faces of respective slots ( 3 ) of a waveguide slot array antenna ( 1 ). The dielectric...
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6911957 |
Dynamically variable frequency selective surface
Method for dynamically varying a frequency response of a frequency selective surface. The method can include controlling transmission of electromagnetic energy through a frequency selective surface...
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6903692 |
Dielectric antenna
The invention relates to a dielectric antenna, particularly suited to portable radio devices. The feed conductor ( 231 ) of the antenna is shaped so that it at the same time in itself serves as a...
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6894652 |
Dielectric lens with changeable focal length using fluidic dielectrics
A dielectric lens antenna ( 100 ) includes a dielectric lens unit ( 101 ) having a plurality of cavities ( 106 ) and at least one fluidic dielectric having a permittivity and a permeability. The...
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6784854 |
Dielectric detection through conductive metal
Apparatus and methodology utilizing nearfield microwave technology to detect contraband/forbidden substances concealed within metallic containers. Apparatus and methodologic microwave operating...
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6781486 |
High efficiency stepped impedance filter
An RF filter that includes a substrate having a plurality of regions, each having respective substrate properties including a relative permeability and a relative permittivity. At least one filter...
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6677904 |
Integrated wireless antenna for an image capturing device
An image capturing device includes a body, a lens apparatus extending from the body, and an antenna formed as part of the lens apparatus. The lens apparatus may be fixed with respect to the body,...
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6661392 |
Resonant antennas
An apparatus includes an object and one or more sensors located adjacent to or in the object. The object is formed of a material whose dielectric constant or magnetic permeability has a negative...
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6590544 |
Dielectric lens assembly for a feed antenna
A novel and improved dielectric lens assembly ( 100 ) includes a dielectric extension ( 108 ) on a hemispherical dielectric lens ( 104 ), to provide a dielectric lens which exhibits properties of...
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6563477 |
Antenna apparatus and transmission and receiving apparatus using same
An antenna apparatus such that a dielectric strip and a dielectric resonator are provided to form a primary vertical radiator, another dielectric strip is provided which is coupled to the...
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6549340 |
Focusing device comprising a Luneberg lens including a homogeneous volume of dielectric and method material for making such a lens
The invention relates to a focusing device comprising a Luneberg lens comprising a homogeneous volume of dielectric. It is characterized in that the dielectric comprises a granular agglomerate...
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6531991 |
Dielectric resonator antenna for a mobile communication
A hemispherical dielectric resonator is arranged on a metal substrate to make a flat surface of the hemispherical dielectric resonator contact with the metal substrate, and a dielectric...
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6512483 |
Antenna arrangements
The performance of a microwave antenna is improved by incorporating a fine wire dielectric material which has a dielectric constant ∈ of less than unity at microwave frequencies. The effect of...
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6496138 |
Electromagnetic wave radar device mounted on a car
An electromagnetic wave radar device mounted on a car, which helps improve external appearance of a car without impairing radar function, and is fabricated using a decreased number of parts at a...
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6489928 |
Composite dielectric molded product and lens antenna using the same
Provided is a composite dielectric molded product exhibiting excellent properties such as the antenna gain and side lobe, etc. when used for a lens antenna, and exhibiting less variation of...
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6480164 |
Corrective dielectric lens feed system
An apparatus for broadening the radiation pattern of a waveguide horn includes an input waveguide feed including a non-circular waveguide horn having a non-circular aperture, and a dielectric lens...
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6473048 |
Frequency selective microwave devices using narrowband metal materials
A microwave device operating at a selected frequency band or group of selected frequency bands of interest includes a resonant bulk material having one or more conductivity bandwidths corresponding...
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6469682 |
Periodic dielectric structure of the three-dimensional photonic band gap type and method for its manufacture
The present invention relates to a crystal structure with three-dimensional photonic band gap which comprises a pile of alternate series of layers of distinct dielectric materials having a first...
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6433936 |
Lens of gradient dielectric constant and methods of production
Disclosed is a lens of gradient dielectric constant and methods for the production of same. The lens includes an inner core comprising a cured or fused substantially homogenous blend of glass...
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6426731 |
Device for emitting and/or receiving electromagnetic waves comprising a lens made of a shaped volume of dielectric material
The invention relates to a device for emitting and/or receiving electromagnetic waves comprising a lens bringing a plurality of directions defined by the radiation space of the lens into...
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