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117results about "Non-resonant long antennas" patented technology
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Microcellular communications antenna and associated methods
ActiveUS20150130675A1Accurate areaNon-resonant long antennasAntenna equipments with additional functionsCoaxial cableElectrical conductor
A radio frequency (RF) communications system includes a local RF communications device and an RF antenna including a conical RF launch structure coupled to the local RF communications device, and an elongate electrical conductor having a proximal end coupled to the conical RF launch structure and a distal end spaced apart from the conical RF launch structure to define an elongate RF coverage pattern. The elongate conductor may be a coaxial cable. At least one remote RF communications device, within the elongate RF coverage pattern, wirelessly communicates with the local RF communications device.
Owner:HARRIS CORP
Dynamic polarization and coupling control from a steerable cylindrically fed holographic antenna
ActiveUS20150236412A1Improve performanceNon-resonant long antennasParallel-plate/lens fed arraysAntenna feedPhysics
An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises an antenna feed to input a cylindrical feed wave and a tunable slotted array coupled to the antenna feed.
Owner:KYMETA
Annular ring antenna
Owner:HARRIS CORP
Annular ring antenna
ActiveUS20050088342A1High gainAntenna arraysSimultaneous aerial operationsSoftware engineeringMechanical engineering
The antenna includes a substrate, such as a dielectric material, and an electrically conductive circular ring on the substrate and having an outer diameter and an inner diameter concentrically arranged. The outer diameter is less than {fraction (1 / 10)} an operating wavelength, and preferably about {fraction (1 / 20)}th, so that the antenna is electrically small relative to the wavelength. The inner diameter is in a range of π / 6 to π / 2 times the outer diameter, and preferably is π / 4 times the outer diameter to enhance the gain relative to its area.
Owner:HARRIS CORP
PxM antenna with improved radiation characteristics over a broad frequency range
InactiveUS20070080878A1Reduce lossImprove efficiencyAntenna arraysSimultaneous aerial operationsElectrical resistance and conductanceBroadband
A low-loss, high-efficiency, broadband antenna including both electric and magnetic dipole radiators is provided herein. The broadband antenna may be referred to as a “P×M antenna” and may generally include a ground plane; a magnetic radiator formed within the ground plane; a conductive feed arranged within a first plane, which is parallel to the ground plane; and an electric radiator arranged within a second plane, which is perpendicular to the ground plane and coupled at one end to the conductive feed. According to a particular aspect of the invention, the electric and magnetic radiators are substantially complementary to one another and are coupled for producing a P×M radiation pattern over a broad range of operating frequencies. One advantage of the P×M antenna described herein is that the complementary antenna elements are combined without the use of a lossy, resistive matching network, thereby increasing the efficiency with which the P×M radiation pattern is produced.
Owner:TDK CORPARATION
Digital indoor antenna device
InactiveUS7126556B1Reduce distractionsNon-resonant long antennasIndoor communication adaptationEngineeringIndoor antenna
A digital indoor antenna device having a casing, a pivotal seat, a circular antenna having two ends and a PCB in the casing. The pivotal seat attached to the casing has two mounting holes respectively in which the two ends of circular antenna are mounted. The circular antenna rotates on the casing to adjust the horizontal receiving angle. Therefore, the circular antenna device can receive larger intensity of horizontal polarized signals. In addition, the pivotal seat can be pivotally connected to the casing, so the circular antenna can rotate horizontally on the casing to search for different channel signals.
Owner:TRANS ELECTRIC
Traveling wave antenna
InactiveUS6016127ASimultaneous aerial operationsNon-resonant long antennasTraveling-wave antennaGround plane
A flat strip-like radiator is angled along the width of the strip to form radiating arms of predetermined length and angles to radiate a design radiation patter. The flat strip is secured to a ground plane such that the flat strip is perpendicular to the ground plane.
Owner:HOWELL LAB
Broadband antenna
InactiveUS20080258980A1Improve featuresImpedance variation is smootherSimultaneous aerial operationsNon-resonant long antennasElectrical conductorCoupling
A broadband antenna has a substrate, a coupling conductor, a conductor string, a ground conductor and a ground plane. The coupling conductor has a first coupling member and a second coupling member being separated from each other. The conductor string and the ground conductor are connected to the second coupling member. The conductor string extends along a direction opposite to the second coupling member. The ground conductor is connected to the ground plane. The broadband antenna uses the coupling conductor and the ground conductor to adjust input impedance for impedance match. The conductor string functions as a multi level resonance circuit to increase impedance bandwidth.
Owner:ADVANCED CONNECTEK INC
Systems and methods for enhancing the magnetic coupling in a wireless communication system
ActiveUS20070222602A1Facilitate communicationNon-resonant long antennasSensing record carriersCommunications systemCoupling
An RFID system comprises an intermediate device that includes a first and second antenna coils connected together in a close loop format. The coils are formed on a flexible substrate that can be folded around a magnetic flux blocker such that one loop is on side of the blocker and the other loop is on the other side of the blocker. The intermediate device can then improve communication between a reader on one side of the blocker and a tag on the other. The coil on the reader side of the blocker can receive RF signals being generated by the reader and convert them to an electrical signal that can be passed to the coil on the tag side of the blockage. The second coil can then generate an RF signal that can be transmitted to the tag.
Owner:MACRONIX INT CO LTD
Antenna apparatus for radio communication
InactiveUS7855689B2Reduce intensityEnhance the imageNon-resonant long antennasAntenna earthingsGround planeAlternating current
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 front side of the ground plane act as a band gap surface. The dielectric constant and thickness of the dielectric layer, the number of plates and the width of spaces among the plates are adjusted, so that the band gap surface prevents propagation of electromagnetic waves within a specific frequency band. The antenna is disposed over the band gap surface on the front side of the ground plane to be spaced away from the band gap surface. The antenna radiates electromagnetic waves of an operational frequency within the specific frequency band in response to an alternating current of the operational frequency fed to the linear antenna.
Owner:NIPPON SOKEN +1
Low profile quasi-optic phased array antenna
ActiveUS20080278394A1Amplitude weightingNon-resonant long antennasIndividually energised antenna arraysLight beamBeam steering
A phased array antenna device is described. The phased array antenna device includes at least one one-dimensional phased array of radiating elements arranged along an array direction, a lens, and a phase control element. The lens is arranged such that divergent beams from the radiating elements are collimated by the lens in a direction orthogonal to the array direction to produce a beam. The phase control element is configured to apply a linear phase gradient to the radiating elements thereby providing one-dimensional electronic beam steering for the antenna device. The antenna device may additionally include one or two mechanical positioners to mechanically move the at least one one-dimensional phased array in directions orthogonal to the array direction, where the phased array enables scanning along the array direction.
Owner:SMITHS INTERCONNECT INC
Antenna apparatus for radio communication
InactiveUS20090079637A1Reduce intensityEnhance the imageAntenna arraysSimultaneous aerial operationsGround planeAlternating current
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 front side of the ground plane act as a band gap surface. The dielectric constant and thickness of the dielectric layer, the number of plates and the width of spaces among the plates are adjusted, so that the band gap surface prevents propagation of electromagnetic waves within a specific frequency band. The antenna is disposed over the band gap surface on the front side of the ground plane to be spaced away from the band gap surface. The antenna radiates electromagnetic waves of an operational frequency within the specific frequency band in response to an alternating current of the operational frequency fed to the linear antenna.
Owner:NIPPON SOKEN +1
Grid array antenna and its integrated structure
InactiveCN102292873ANon-resonant long antennasIndividually energised antenna arraysEngineeringLength wave
A grid array antenna configured to operate with millimetre wavelength signals, the grid array antenna comprising a plurality of mesh elements and at least one radiation element; each mesh element comprising at least one long side and at least one short side operatively connected to the at least one long side; at least one of: the at least one radiating element, the at least one short side, and the at least one long side having compensation for improved antenna output for improved antenna radiation.
Owner:NANYANG TECH UNIV
Method And System For Identifying Radio Frequency Identification (RFID) Tag Location Using A Switchable Coil
ActiveUS20080090519A1Antenna arraysUnauthorised/fraudulent call preventionInductorElectromagnetic field
Aspects of a method and system for identifying a radio frequency identification (RFID) tag location using a switchable coil are presented. Aspects of the systems may include one or more processors that enable selection of an inductor coil from a plurality of inductor coils. The selection of the inductor coil may be based on a change in an electromagnetic field, with respect to an initial electromagnetic field, as detected by the selected inductor coil. The processors may enable transmission of a signal, having a transmitter frequency in the UHF frequency band, via the selected inductor coil.
Owner:NXP USA INC
RF passive repeater for a metal container
ActiveUS20070262868A1Improve reading effectHighly durableNon-resonant long antennasAntenna earthingsElectrical connectionPassive repeater
A storage container assembly includes a container having a metal side wall, and a passive wireless repeater mounted on the side wall. The repeater includes a first antenna on one side of the side wall, a second antenna on an opposite side of the side wall, and an electrical connection between the first antenna and the second antenna. The electrical connection may be in the form of a first connector mounted to the first antenna and a second connector mounted to the second antenna.
Owner:ASSA ABLOY AB
RF waveform modulation apparatus and method
ActiveUS20100039340A1Polarisation/directional diversityNon-resonant long antennasCircularly polarized antennaContinuous wave
The disclosed system, device and method for a signal modulation apparatus generally includes a first signal generator suitably configured to generate a first continuous wave radio frequency (RF) signal, and a second signal generator suitably configured to generate a second continuous wave RF signal. A dual-circular polarized antenna may be adapted to receive the first continuous wave RF signal into a right-hand port and the second continuous wave RF signal into a left-hand port, where the signals are combined into a modulated RF signal in the dual-circular polarized antenna.
Owner:RAYTHEON CO
Antennas Integrated in Semiconductor Chips
InactiveUS20100026601A1Reduced chip area usageEasy to receiveNon-resonant long antennasSemiconductor/solid-state device detailsSemiconductor chipEngineering
An integrated circuit structure includes a semiconductor chip including a top surface, a bottom surface, and a side surface; a metal seal ring adjacent the side surface; and an antenna including a seal-ring antenna. The seal-ring antenna includes at least a portion of the metal seal ring.
Owner:TAIWAN SEMICON MFG CO LTD
PxM antenna with improved radiation characteristics over a broad frequency range
InactiveUS7388550B2Improve matchReduce lossAntenna arraysSimultaneous aerial operationsRadiation patternOperating frequency
Owner:TDK CORPARATION
Multibeam refect array
InactiveUS20090298421A1Non-resonant long antennasActive radio relay systemsLight beamMicrowave range
The invention discloses a repeater antenna for use in point-to-point applications in telecommunications systems in the microwave range, intended for connecting transmissions from a first radio unit at a first site to a second radio unit at a second site. The repeater antenna is essentially plane, and is designed as a traveling wave antenna with at least a first and a second antenna beam, so that the first beam can be used for transmissions to and from said first radio unit, and the second beam can be used for transmissions to and from said second radio unit.
Owner:TELEFON AB LM ERICSSON (PUBL)
Low profile quasi-optic phased array antenna
ActiveUS8134511B2Amplitude weightingNon-resonant long antennasIndividually energised antenna arraysLight beamPhase control
A phased array antenna device is described. The phased array antenna device includes at least one one-dimensional phased array of radiating elements arranged along an array direction, a lens, and a phase control element. The lens is arranged such that divergent beams from the radiating elements are collimated by the lens in a direction orthogonal to the array direction to produce a beam. The phase control element is configured to apply a linear phase gradient to the radiating elements thereby providing one-dimensional electronic beam steering for the antenna device. The antenna device may additionally include one or two mechanical positioners to mechanically move the at least one one-dimensional phased array in directions orthogonal to the array direction, where the phased array enables scanning along the array direction.
Owner:SMITHS INTERCONNECT INC
Metamaterial reconfigurable antennas
InactiveUS20120274524A1Improve reconfigurabilityImproving Impedance MatchingNon-resonant long antennasIndividually energised antenna arraysImpedance matchingOptical polarization
Leaky wave antennas that can be reconfigured in pattern and / or polarization by exploiting the characteristic of metamaterial structures loaded with variable capacitor and inductors employ a Composite Right Left Handed (CRLH) unit cell with two independent DC biases used to actively change the group delay of the transmission line and the polarization of the radiated field while preserving good impedance matching. Different degrees of pattern and polarization reconfigurability are achieved by cascading multiple of these unit cells along a straight line, a circular line or a zigzag line while preserving high gain for all the antenna configurations and good impedance matching.
Owner:ADANT TECH
Array antenna and radar apparatus
ActiveUS20100238067A1Wide rangeImprove scaleNon-resonant long antennasIndividually energised antenna arraysRadarRadiating element
The array antenna includes a feed line, and a plurality of radiating element sections arranged at a predetermined arranging interval in a first direction, each of the radiating element sections including at least one radiating element fed a traveling wave through the feed line. The inter-element line length as a length of the feed line between each succeeding two of the radiating element sections is longer than the arranging interval in the first direction.
Owner:DENSO CORP
Multi-band antenna array
ActiveUS20190081414A1Improve compactnessParticular array feeding systemsSimultaneous aerial operationsMulti bandEngineering
A multi-band antenna array includes a plurality of first antennas for resonating at a first band, and a plurality of second antennas for resonating at a second band. A frequency of the second band is higher than a frequency of the first band. Locations of the plurality of first antennas project to a plurality of grid-one positions on a surface; locations of the plurality of second antennas project to a plurality of grid-two positions on the surface. Among the grid-one positions, a second grid-one position is nearest to a first grid-one position by a first distance along a first direction. Among the grid-two positions, a first grid-two position and a second grid-two position are closest two to the first grid-one position. The first and second grid-two positions are separated by a second distance along a second direction; and, the first direction and the second direction are nonparallel.
Owner:MEDIATEK INC
Dynamic polarization and coupling control from a steerable cylindrically fed holographic antenna
ActiveUS9887456B2Improve performanceNon-resonant long antennasParallel-plate/lens fed arraysSoftware engineeringMechanical engineering
Owner:KYMETA
Method and system for identifying radio frequency identification (RFID) tag location using a switchable coil
Owner:NXP USA INC
Millimeter wave electronically scanned antenna
A millimeter wave electronically scanned antenna is disclosed in both passive and active implementations. The antenna comprises a plurality of antenna components, wherein an antenna component, includes a coupler; a ground plane; a traveling wave phase shift line electrically connected to the coupler and grounded to the ground plane; and a plurality of fixed phase shifters, each fixed phase shifter electrically connected to the traveling wave phase shift line at a respective point thereon. One such component includes a plurality of radiating elements electromagnetically connected to a respective one of the fixed phase shifters. The antenna further includes a coupling component to which the radiating antenna is coupled to receive control signals and a radio frequency feed.
Owner:LOCKHEED MARTIN CORP
Antennas integrated in semiconductor chips
InactiveUS7760144B2Reduced chip area usageEasy to receiveSimultaneous aerial operationsNon-resonant long antennasSemiconductor chipMetal
An integrated circuit structure includes a semiconductor chip including a top surface, a bottom surface, and a side surface; a metal seal ring adjacent the side surface; and an antenna including a seal-ring antenna. The seal-ring antenna includes at least a portion of the metal seal ring.
Owner:TAIWAN SEMICON MFG CO LTD
Transverse device phase shifter
ActiveUS20120235872A1Non-resonant long antennasLinear waveguide fed arraysDielectric substrateGround plane
A phase shifter operable at microwave or millimeter-wave frequencies includes a dielectric substrate with a bottom surface having a conductive ground plane layer and a conductive patterned layer formed on a top surface to define a conductor pattern. A series of active tuning elements is mounted on the top surface and cascaded along a propagation direction in a spaced arrangement along a longitudinal extent. A housing structure includes a bottom housing structure with a planar conductive bottom surface for contacting the ground plane layer, and a top housing structure fabricated with a channel which extend along the longitudinal extent and provide clearance for the active tuning elements. A bias circuit is connected to the respective series of active tuning elements.
Owner:RAYTHEON CO
Extremely miniaturized FM frequency band antenna
InactiveUS20080238803A1Loop antennas with ferromagnetic coreNon-resonant long antennasMiniaturizationEngineering
An extremely miniaturized FM frequency band antenna built in a mobile device includes a substrate and an antenna unit. The substrate is provided with a plate having a grounding metallic surface and a first clearance surface. A second clearance surface provided on the same side of the grounding metallic surface has a metallic micro strip line. One end of the metallic micro strip line extends to a bottom end of the second clearance surface and has a first contact. The other end of the micro strip line extends onto the first clearance surface and has a second contact. Further, a third contact is provided on the first clearance surface at a position corresponding to that of the second contact. Finally, the antenna unit is electrically connected on the second and third contacts to form a FM antenna for receiving FM signals.
Owner:CIROCOMM TECH CORP
Travelling wave antenna feed structures
ActiveUS20150188237A1Phase accurateLow standing wave ratioNon-resonant long antennasIndividually energised antenna arraysTraveling-wave antennaAntenna feed
Techniques for implementing series-fed antenna arrays with a variable dielectric waveguide. In one implementation, coupling elements with optional controlled phase shifters are placed adjacent each radiating element of the array. To avoid frequency sensitivity of the resulting array, one or more waveguides have a variable propagation constant. The variable waveguide may use certain materials exhibiting this phenomenon, or may have configurable gaps between layers. Plated-through holes and pins can control the gaps; and / or a 2-D circular or a rectangular travelling wave array of scattering elements can be used as well.
Owner:ANTENUM INC
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