Class 343/911L - Luneberg type

Subclass of Class 343 - Communications: radio wave antennas
No. of patents: 87
Last issue date: 02/14/2012

Number	Title	Issue Date
8115697	System and method for highly directional electronic identification and communication and combat identification system employing the same An antenna for directional electronic communication and a directional communication system are provided. In one embodiment, the antenna includes: (1) a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inne...	02/14/2012
7671820	Luneberg dielectric lens and method of producing same A hemispherical Luneberg dielectric lens including a hemispherical center layer having a hemispherical outer surface, and a plurality of hemispherical dome-shaped layers each having concentric hemispherical inner and outer surfaces, the outer surfaces of the center ...	03/02/2010
7667665	Dual frequency aperture antenna A dual frequency radar antenna for connection to a first radar transmitter/receiver set which operates in a relatively lower frequency band and to a second radar transmitter/receiver set which operates in a relatively higher frequency band. The dual frequency radar ...	02/23/2010
7667667	Radio wave lens antenna apparatus In a radio wave lens antenna, a lens cover for covering the surface of the lens is stably fixed to the reflector. The antenna has a semispherical Luneberg lens, a semispherical shell-shaped lens cover for covering the surface of the lens, a radio wave reflector, a r...	02/23/2010
7580004	System and method for position or range estimation, tracking and selective interrogation and communication An antenna mountable on a weapons platform, a communication system and methods of estimating position or range and conducting directional communication. In one embodiment, the antenna includes: (1) a Luneberg lens portion having a substantially planar surface and a ...	08/25/2009
7499001	Dielectric antenna device The dielectric antenna device of the present invention is a dielectric antenna device having at least one feed element that is buried in a dielectric. The interval between the end portion of the feed element and the end face of the dielectric in a direction passing ...	03/03/2009
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
7400304	Antenna with partially spherical dielectric lenses An antenna is provided comprising a first group of part-spherical dielectric lenses supported on a first portion of a conducting ground place arranged to reflect signals emerging from the lens, each of the lenses having a number of associated switchably selectable a...	07/15/2008
7382331	Antenna device An antenna device includes an antenna part and a dielectric formed on the antenna part. The dielectric is formed to be thicker in a direction of directivity that the antenna part is to be made to have, than in another direction. ...	06/03/2008
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
7345652	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; ...	03/18/2008
7336242	Antenna system including transverse swing arms and associated methods An antenna system may include a base having an opening therein, and a plurality of swing arms each having a concave elongate shape and opposing ends pivotally connected to the base to permit a swinging motion within the opening of the base. The swing arms may be tra...	02/26/2008
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
7301504	Mechanical scanning feed assembly for a spherical lens antenna The invention includes a mechanical scanning feed and a spherical lens antenna system. The mechanical feed includes a waveguide, which has a movable wall assembly that contains a guide slot. The moveable wall portion also includes an end wall that is located proxima...	11/27/2007
7276990	Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same A switch arrangement comprises a plurality of MEMS switches arranged on a substrate about, and close to, a central point, each MEMS switch being disposed on a common imaginary circle centered on the central point. Additionally, and each MEMS switch is preferably spa...	10/02/2007
7277053	Apparatus and methods for detecting and locating signals A discrete three-dimensional receiving element has multiple sensors scattered over its surface to detect and locate a signal. The sensors facing the signal detect the signal, and a boundary line is drawn between the sensor which detect the signal and those which don...	10/02/2007
7259723	Device for emitting and receiving electromagnetic radiation A device for transmitting and receiving electromagnetic radiation includes separate antennas for transmitting and for receiving electromagnetic radiation and in which the lobes of the transmitting and receiving antennas are focused by a shared focusing arrangement.	08/21/2007
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
7253699	RF MEMS switch with integrated impedance matching structure An impedance matching structure for a RF MEMS switch having at least one closeable RF contact in an RF line, the impedance matching structure comprising a protuberance in the RF line immediately adjacent the RF contact that forms one element of a capacitor, the othe...	08/07/2007
7245269	Adaptive beam forming antenna system using a tunable impedance surface A method of and apparatus for beam steering. A feed horn is arranged so that the feed horn illuminates a tunable impedance surface comprising a plurality of individually tunable resonator cells, each resonator element having a reactance tunable by a tuning element a...	07/17/2007
7233299	Multiple-beam antenna with photonic bandgap material A system includes a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna includes: a photonic bandgap material (20) having at least one band gap, at least one periodicity defect (36) of the photonic bandgap material so as...	06/19/2007
7221328	Radiowave lens antenna device Lens antenna equipment including a hemispherical Luneberg lens made of dielectric, a reflector which has a size larger than the lens diameter and which is to be provided on a face equivalent to a cross-section made by halving a globular shape of the lens, a primary ...	05/22/2007
7205950	Radio wave lens antenna A multi-beam lens antenna for individual communication with communication satellites spaced at small elongations. The multi-beam antenna comprises primary feeds 3 each of which is composed of a waveguide having an opening at the end and a dielectric body 6...	04/17/2007
7196655	System and method for highly directional electronic identification and communication and combat identification system employing the same An antenna for directional electronic communication, a directional communication system, a method of conducting directional communication, a combat identification system and a method of identifying friendly forces. In one embodiment, the antenna includes: (1) a cond...	03/27/2007
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
7164387	Compact tunable antenna The present disclosure relates to a method and an antenna for transmitting/receiving a RF signal at a plurality of different frequencies. Transmitting/receiving a RF signal at a plurality of different frequencies is achieved by providing a F antenna comprising a plu...	01/16/2007
7154451	Large aperture rectenna based on planar lens structures A rectenna structure comprising a flexible, dielectric sheet of material; a plurality of metallic lenslets disposed on the sheet of material; and a plurality of diodes disposed on the sheet of material, each diode in said plurality of diodes being arranged at a focu...	12/26/2006
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
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
7071888	Steerable leaky wave antenna capable of both forward and backward radiation Leaky wave antenna beam steering that is capable of steering in a backward direction, as well as further down toward the horizon in the forward direction than was previously possible, and also directly toward zenith. The disclosed antenna and method involve applying...	07/04/2006
7068234	Meta-element antenna and array An antenna having at least one main element and a plurality of parasitic elements. At least some of the elements have coupling elements or devices associated with them, the coupling elements or devices being tunable to thereby control the degree of coupling between ...	06/27/2006
7061448	Radio wave lens antenna apparatus A small, lightweight radio wave lens antenna device is proposed in which freedom of selection of the installation place is high, which can be compactly installed e.g. on a wall surface, and in which restriction of installation space is relaxed. A hemispherical Luneb...	06/13/2006
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
7009551	Horizontally polarized wide-angle radar object detection A radar includes fixed beam radar transmitter and receiver antennae that utilize mixed polarization to optimize the object detection field-of-view through an intervening plastic fascia. The transmitter antenna transmits radar energy with slant polarization, a first ...	03/07/2006
6911950	Gimballed reflector mounting platform The invention relates to a steerable antenna platform including two independently controllable motors for rotating a flat plate or a parabolic dish antenna about two perpendicular axes. The antenna platform includes a semicircular yoke rotatable about a fixed axes w...	06/28/2005
6867741	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; ...	03/15/2005
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 frequency determines the metallic thickness through which detection is p...	08/31/2004
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 real part at microwave-frequencies. The one or more sensors ...	12/09/2003
6606077	Multi-beam antenna A multi-beam antenna comprises an electromagnetic lens, at least one first antenna feed element, at least one second antenna feed element, and a selective element located between first and second portions of the electromagnetic lens with which the respect...	08/12/2003
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 defined by a homogeneous granule size distribution of thermopl...	04/15/2003

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Class 343/911L - Luneberg type