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Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 8149181 | Dielectric resonator for negative refractivity medium A dielectric resonator for a negative refractivity medium, which is coupled to a plurality of substrates, comprises at least one crystal unit, at least one first crystal cube and at least one second crystal cube. The crystal units are arrayed on the substrate. On an... | 04/03/2012 |
| 8063848 | X, K, K band omni-directional antenna with dielectric loading An X, Ku, and K-band omni-directional antenna with dielectric loading is disclosed. It comprises a conductor with a loading dielectric resonator and a ground plane. Broad frequency coverage from 7.5 to 26 GHz includes uniform azimuthal coverage from +10 t... | 11/22/2011 |
| 8018397 | High dielectric antenna substrate and antenna thereof A high dielectric antenna substrate includes a first dielectric layer having a first dielectric constant, and a second dielectric layer having a second dielectric constant. The second dielectric layer is formed on one surface of the first dielectric layer. The secon... | 09/13/2011 |
| 7995001 | Antenna for portable terminal and portable terminal using same A dielectric resonator antenna which emits an electric wave by having a dielectric body resonate is disclosed. A magnetic material is contained in the electric body, thereby increasing the relative permeability to more than 1 and lowering the relative permittivity. ... | 08/09/2011 |
| 7978149 | Dielectric resonator antenna with bending metallic planes The present invention relates to a dielectric resonator antenna (DRA) with bending metallic planes. The ground plane of the dielectric resonator antenna is bent around the DRA to increase the half-power beam width (HPBW) and the gain on H-plane, moreover, to improve... | 07/12/2011 |
| 7777690 | Radio frequency lens and method of suppressing side-lobes An RF lens according to the present invention embodiments collimates an RF beam by refracting the beam into a beam profile that is diffraction-limited. The lens is constructed of a lightweight mechanical arrangement of two or more materials, where the materials are ... | 08/17/2010 |
| 7750869 | Dielectric and magnetic particles based metamaterials RF-optical metamaterials with (±∈, ±μ) figures-of-merit of interest are constructed from coupled magnetic and dielectric multi-resonant multi-disks (finite-size cylinders) or multi-sphere lattices arranged in a periodic or a random fashion to offer tailored mag... | 07/06/2010 |
| 7667666 | Wideband dielectric resonator antenna An antenna comprises a substrate, a feed conductor, a ground layer, a resonator and a short-circuited element. The substrate comprises a first surface and a second surface. The feed conductor is formed on the first surface. The ground layer is formed on the second s... | 02/23/2010 |
| 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 of the elliptical shape along a truncation line that extends substant... | 09/08/2009 |
| 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 associated impedance matching layer. The dielectric prisms are rotated relat... | 12/09/2008 |
| 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 ground plane, and mode-exciting elements. The mode-exciting elements m... | 10/28/2008 |
| 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 surface of the shared dielectric lens. The angular direction and shape ... | 09/02/2008 |
| 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 receive an information signal and a plurality of orthomode transduce... | 07/22/2008 |
| 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 representing light-path-length constraint, into simultaneous equations, and ... | 04/08/2008 |
| 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 radio waves from not only a geostationary satellite or an orbiting satel... | 03/25/2008 |
| 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 comprises a ground plate and a plurality of reflective elements formed at... | 03/04/2008 |
| 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) formed of a dielectric satisfying the condition, 0 | 02/19/2008 |
| 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 second conductive layer is disposed at a predetermined distance from th... | 02/12/2008 |
| 7324575 | Lens with reflective surface A lens having a reflective surface, and systems that use such a lens. The lens includes a transmissive part for passing a portion of an incident light beam, and a reflective part for reflecting a portion of the incident light beam, and the reflective part is prefera... | 01/29/2008 |
| 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 passing through from the top surface to the bottom surface thereof. ... | 11/06/2007 |
| 7253789 | Dielectric resonator antenna There is disclosed a dielectric resonator antenna adapted to resonate in an EH11δ resonance mode, and also a method for the manufacture thereof. The desired resonance mode is achieved by careful positioning of a dielectric resonator (2) on a groun... | 08/07/2007 |
| 7245259 | Multiple antenna diversity on mobile telephone handsets, PDAs and other electrically small radio platforms There is disclosed an antenna device including a dielectric substrate having a first, upper surface and a second, lower surface, a conductive groundplane on the second surface or located between the first and second surfaces. At least two conductive feedlines are fo... | 07/17/2007 |
| 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 guide rail. When the lens antenna apparatus operates, the directivity of... | 05/01/2007 |
| 7190324 | Low-profile lens antenna This invention relates to a low-profile lens antenna. In particular, this invention relates to a low-profile lens antenna for use in a depression in a surface, e.g. a concavity in the ground. A low-profile lens antenna is provided that comprises a feed and a lens, w... | 03/13/2007 |
| 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 resin foam obtained by expanding a resin composition comprising a syn... | 02/20/2007 |
| 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 antenna AT for emitting a detecting beam to the detection areas and r... | 02/20/2007 |
| 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 substrate and the dielectric element, and a conductive layer formed on a se... | 01/09/2007 |
| 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 portion in an upper portion thereof. The vertical cross section of the depr... | 01/09/2007 |
| 7151508 | Antenna system and RF signal interference abatement method Disclosed is an antenna system including a Luneberg Lens having a spherically shaped outer surface and a spherically shaped focal surface spaced from its outer surface with a plurality of patch antenna elements disposed along the focal surface of the Luneberg Lens; ... | 12/19/2006 |
| 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 portion. The array is deployed in a lens shape and allows variation of the... | 10/10/2006 |
| 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 plane and radiating elements with form of directional-printed antennas... | 10/10/2006 |
| 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 surface of the lens body, at least one of the lens body and the match... | 08/08/2006 |
| 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 housing components of said antenna, in which a vertical beam width is ma... | 07/11/2006 |
| 7072124 | Light-weight high resolution viewer A magnification loupe carried by spectacles has a Galilean lens system comprising a single-element eyepiece lens and a two-element objective lens. The loupes may be mounted to eyeglass frames by a flip-up mounting member, or they may be mounted through the eyeglass ... | 07/04/2006 |
| 7064713 | Multiple element patch antenna and electrical feed network A feed network for coupling elements of a multi-element patch antenna to transmit or receive circuitry may include segments having dimensions that maximize the impedance of the feed network. Increasing the feed network impedance can simplify matching of the feed net... | 06/20/2006 |
| 7042420 | Multi-beam antenna A multi-beam antenna comprises at least one curved surface, at least one dielectric substrate, and a plurality of end-fire antenna feed elements on the dielectric substrate. The at least one curved surface may be either reflective, refractive or diffractive. |Electr... | 05/09/2006 |
| 7042416 | Dielectric resonator antenna with mutually orthogonal feeds A multi-polarisation dielectric resonator antenna (1) having three mutually orthogonal feeds (5a, 5b, 5c) displaying C3V point group symmetry is disclosed. The antenna (1) may be operated so as to de... | 05/09/2006 |
| 7009565 | Miniaturized antennas based on negative permittivity materials An antenna comprises a resonator and a waveguide. The resonator comprises at least one body having a negative effective electrical permittivity or a negative magnetic permeability when a resonance is excited therein by electromagnetic radiation lying in some portion... | 03/07/2006 |
| 7006052 | Passive magnetic radome A radome (202) includes a dome wall (208) formed from a dielectric material wherein at least a portion of the dielectric material includes a plurality of magnetic particles (206). Radomes according to the invention can form dome walls of variabl... | 02/28/2006 |
| 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 plano-convex Rotman lens in said stack having a major surface disposed at a... | 01/03/2006 |
