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1029results about "Collapsable antennas means" patented technology
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A stabilized platform for a wireless communication link
ActiveUS20160134006A1Improve accuracyCollapsable antennas meansSimultaneous aerial operationsTelecommunications linkDirectional antenna
A terrestrial data communications wireless link includes a first link end that has a first directional antenna, a first beacon and a first redirecting assembly coupled to the first directional antenna. The wireless link also includes a second link end having a second directional antenna, a second beacon and a second redirecting assembly coupled to the second directional antenna. In use the first directional antenna and the second directional antenna are maintained in mutual alignment by the first redirecting assembly redirecting the first directional antenna in response to a signal from the second beacon and the second redirecting assembly redirecting the second directional antenna in response to a signal from the first beacon.
Owner:EM SOLUTIONS PTY LTD
Architectures and methods for novel antenna radiation optimization via feed repositioning
An antenna system comprises: multiple antenna elements; and multiple beam forming networks configured to produce radiation patterns for both receiving and transmission functions configured to be optimized by re-positioning said antenna elements, wherein said beam forming networks comprise a receiving beam forming network configured to combine multiple first inputs from said antenna elements into at least a first output, and a transmission beam forming network configured to divide a second input into multiple second outputs to said antenna elements.
Owner:SPATIAL DIGITAL SYST
Antenna structure, method of using antenna structure and communication device
InactiveUS6806835B2Collapsable antennas meansAntenna supports/mountingsCommunication deviceEngineering
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Mobile phone antenna
InactiveUS6963310B2High bandwidthAvoid displacementCollapsable antennas meansSimultaneous aerial operationsElectrical conductorResonance
A mobile phone antenna has: a first conductive radiation element that is formed in a sheet metal conductor and resonates at a predetermined resonance frequency; a second conductive radiation element that is formed in the sheet metal conductor and resonates at the predetermined resonance frequency; and a ground that is connected through a conductive ground connector with the second conductive radiation element. The ground is placed such that the ground is not opposed to the first and second conductive radiation elements.
Owner:HITACHI CABLE
Antenna device and portable radio set
The present invention makes it possible to realize an antenna device and a portable radio set capable of greatly reducing the deterioration of antenna characteristics while used near a human body and greatly reducing the deterioration of communication quality by electrically connecting first and second antenna elements to a balanced-to-unbalanced transform circuit by connection means when a first antenna element is retracted, supplying power to the first and second antenna elements from an unbalanced transmission line through balanced-to-unbalanced transform means to operate the first and second antenna elements as antennas, preventing a leakage current from flowing to a ground member to which the unbalanced transmission line is grounded from the first and second antenna elements through the transmission in accordance with the balanced-to-unbalancecd transform by the balanced-to-unbalanced transform means, and thereby preventing the ground member from operating as an antenna.
Owner:SONY CORP
Component Deployment System
A method and apparatus for deploying a group of panels. An apparatus comprises a group of panels in a folded configuration against a side of a spacecraft, a group of flexible members connected to the group of panels, and an interface system associated with the group of panels and the group of flexible members. The interface system is configured to move the group of panels from the folded configuration to a deployed configuration when the group of flexible members is extended from the spacecraft.
Owner:THE BOEING CO
Mobile camera mount
ActiveUS8137008B1Easily removably attachedEasily attached permanentlyCollapsable antennas meansStands/trestlesMobile cameraMobile vehicle
A remote-controlled, roof-mounted, digital camera mount for a motor vehicle is herein disclosed. The apparatus comprises a mount system with a remote control. The mount system provides for remote control of pan and tilt functions on the mount. The remote control is provided by two (2) or more electric motors in wireless communication with said remote control located by an operator's position enabling the operator to control the positioning of the camera while operating the camera.
Owner:MALLANO DONATO
Man-portable counter mortar radar system
ActiveUS20060092075A1Carried and moved with easeCollapsable antennas meansAntenna arraysCountermeasureRadar systems
The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to enable and direct countermeasures against the mortar and its personnel. In addition, MCMR may also perform air defense surveillance by detecting and tracking aircraft, helicopters, and ground vehicles. MCMR is a man-portable radar system that can be disassembled for transport, then quickly assembled in the field, and provides 360-degree coverage against an enemy mortar attack. MCMR comprises an antenna for radiating the radar pulses and for receiving the reflected target echoes, a transmitter that produces the radar pulses to be radiated from the antenna, a receiver-processor for performing measurements (range, azimuth and elevation) on the target echoes, associating multiple echoes to create target tracks, classifying the tracks as mortar projectiles, and calculating the probable location of the mortar weapon, and a control and display computer that permits the operation of the radar and the display and interpretation of the processed radar data.
Owner:SYRACUSE UNIV RES
Dish antenna rotation apparatus
InactiveUS6864855B1Increase the lengthCollapsable antennas meansAntenna supports/mountingsMechanical engineeringEngineering
Owner:DX ANTENNA CO LTD
Deployable truss having second order augmentation
ActiveUS20050126106A1Decreases free buckling lengthIncrease its moment of inertiaCollapsable antennas meansCosmonautic vehiclesEngineeringMoment of inertia
A deployable truss is formed from a plurality of column members connected at their ends where at least some of the column members are formed from column assemblies, each including a plurality of strut members that are at least connected to each other at a first and second end of the column assembly. For added rigidity, strut members of a column assembly may be connected to each other between the first and second ends using, for example, a rigidizable resin, a fixed spacer, or a deployable spacer. Connecting strut members between the ends of the column assembly provides mutual bracing to the strut members and decreases the free buckling length of the individual strut members. Spacers are preferably configured to radially space the strut members away from the longitudinal centerline of the column assembly to increase its moment of inertia, and hence its buckling strength.
Owner:NORTHROP GRUMMAN SYST CORP
Structural tower
InactiveUS20060277843A1Reduce energy costsGenerate efficientlyCollapsable antennas meansEngine manufactureHigh elevationDiagonal
A structural tower having a space frame construction for high elevation and heavy load applications is disclosed, with particular application directed to wind turbines. The structural tower includes damping or non-damping struts in the longitudinal, diagonal or horizontal members of the space frame. One or more damping struts in the structural tower damp resonant vibrations or vibrations generated by non-periodic wind gusts or sustained high wind speeds. The various longitudinal and diagonal members of the structural tower may be secured by pins, bolts, flanges or welds at corresponding longitudinal or diagonal joints of the space frame.
Owner:LIVINGSTON TRACY +1
Dish antenna rotation apparatus
InactiveUS20050057428A1Collapsable antennas meansAntenna supports/mountingsEngineeringMechanical engineering
Owner:DX ANTENNA CO LTD
Inflatable solar concentrator balloon method and apparatus
ActiveUS20080047546A1Offsetting costsEasy maintenanceSolar heating energyCollapsable antennas meansStress concentrationManufacturing technology
Embodiments of the present invention relate to concentrating solar radiation using an assembly of at least one clear and one reflective film that inflates into a shape reflecting parallel rays of light to a concentrated focus in the interior or immediate proximity of the assembly. Embodiments of the present invention can be assembled in a substantially flat stack with bonds or welds between the films, compatible with conventional high-throughput film manufacturing processes. Embodiments in accordance with the present invention may employ external circumferential rings or a “harness” assembly to support and point the balloon against wind forces and the like without severe stress localization. Embodiments in accordance with the present invention may also employ film attachments to facilitate feedthroughs, reduce stress concentrations, and modify the inflated shape. Embodiments in accordance with the present invention may also employ film modifiers, including laminated films, adhesives, printing, etc. to facilitate installation, feedthroughs, and other functions.
Owner:COOLEARTH SOLAR
Antenna directivity enhancer
InactiveUS7245266B1Improve directivityReduce signal strengthCollapsable antennas meansEngineeringDirectivity
An antenna directivity enhancer to enhance the directivity of an antenna is disclosed. The enhancer has a 3-dimensional structure in a predefined 3-dimensional shape when operating to enhance the directivity of an antenna. The 3-dimensional structure can be flexibly collapsible into 2-dimensional flat surfaces, with at least two of the surfaces not required to have any space between them when the structure is collapsed. The direction where the directivity is enhanced can be changed as desired. The enhancer can include just one reflecting surface, or at least two reflecting surfaces. In yet another embodiment, the enhancer includes a curved surface when the enhancer is in its predefined 3-dimensional shape.
Owner:SZENTE PEDRO A +2
Tamper-indicating radio frequency identification antenna and sticker, a radio frequency identification antenna, and methods of using the same
InactiveUS7102522B2Collapsable antennas meansSimultaneous aerial operationsIdentification deviceMetal powder
A tamper-indicating radio frequency identification device made of densified metal powder and to a sticker including the same device. The present invention also relates to radio frequency identification antenna made of densified metal powder and to a sticker including the same antenna. The present invention also relates to methods of indicating that a radio frequency identification antenna or sticker has been tampered with.
Owner:3M INNOVATIVE PROPERTIES CO
Antenna mast transport and deployment system
A light antenna mast group (LAMG) provides antenna masts coupled to a vehicle cap structure which is disposed on the top of a light truck, which in one embodiment can be a high mobility multipurpose wheeled vehicle (HMMWV). The vehicle cap structure includes antenna mast deployment mechanisms, hinged rotator assemblies, an antenna storage system, and a plurality of spring loaded guide wire spools, all adapted to make deployment of the antenna masts rapid and simple.
Owner:RAYTHEON CO
Beam reconfiguration method and apparatus for satellite antennas
InactiveUS20040189538A1Increased complexityIncrease costCollapsable antennas meansAntenna supports/mountingsSatellite antennasLight beam
A method, apparatus, article of manufacture, and a memory structure for generating reconfigurable beams is disclosed herein. The apparatus comprises a stationary feed array having a plurality of selectably activatable feed array elements, the feed array having a feed array sensitive axis; a reflector, illuminated by the selectably activatable feed array elements; a first mechanism, coupled to the reflector, for varying a position of the reflector along the feed array axis; wherein a desired beam size of the antenna system is selected by varying the reflector position along the feed array sensitive axis and by selectably activating the feed array elements.
Owner:THE BOEING CO
Wireless communication apparatus with housing changing between open and closed states
ActiveUS20100013720A1Reduce correlationMinimize reflection coefficientSpatial transmit diversityCollapsable antennas meansElectrical conductorEngineering
When first and second housings are in an open state, first and second switches are electrically opened, and thus, a first antenna element and a ground conductor operate as a first dipole antenna, and a second antenna element and the ground conductor operate as a second dipole antenna with isolation from the first dipole antenna by the slit. When the first and second housings are in the closed state, the first and second switches are electrically closed, and thus, the first antenna element operates as a first inverted F antenna on the ground conductor, and the second antenna element operates as a second inverted F antenna on the ground conductor with isolation from the first inverted F antenna by the slit.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Umbrella type unfolded reticular antenna
InactiveCN102447156AReduce weightSmall size when foldedCollapsable antennas meansEngineeringLoudspeaker
The invention relates to an umbrella type unfolded reticular antenna which comprises a base; the base is fixed with a center solid reflecting surface; a plurality of waveguide type supporting rods are vertically connected with the center solid reflecting surface; a plurality of articulated mechanisms are fixed at the periphery of the edge of the base and are respectively connected with a radial rib so that the folded or unfolded radial ribs are uniformly distributed at the periphery of the center solid reflecting surface; reflecting screen meshes are fixed on the surfaces of the radial ribs and form a needed reflecting surface with the center solid reflecting surface; slotted type compressing blocks are fixed on the radial ribs, and annular compressing ropes are arranged in slots of the slotted type compressing blocks; the annular compressing ropes are tightened up to restrain the radial ribs in the foldable state to form an annular end-to-end closing structure; the annular compressing ropes are connected with a cutter which is used for cutting the annular compressing ropes; the articulated mechanisms are used for providing driving torque so as to unfold the radial ribs; the waveguide type supporting rods are internally provided with a plurality of feed waveguide channels; and a multiple-beam feed source loudspeaker array is arranged at the top of the supporting rods and is connected with the supporting rods through irregular waveguides.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI
Mobile radio antenna arrangement for a base station
ActiveUS7015871B2Easy to adjustSimple capabilityCollapsable antennas meansAntenna supports/mountingsAzimuth directionEngineering
A mobile radio antenna arrangement for a base station includes a pivoting device which runs in the longitudinal direction and / or in the vertical direction is provided within the radome. A reflector is at least indirectly held and mounted on the pivoting device. The interior of the radome has dimensions such that the reflector which is located within the radome, and the antenna elements which are provided can be pivoted in the azimuth direction relative to the radome via the pivoting device which is located within the radome.
Owner:TELEFON AB LM ERICSSON (PUBL)
Deployable truss having second order augmentation
ActiveUS7694486B2Decreases free buckling lengthIncrease its moment of inertiaCollapsable antennas meansCosmonautic vehiclesMoment of inertiaEngineering
A deployable truss is formed from a plurality of column members connected at their ends where at least some of the column members are formed from column assemblies, each including a plurality of strut members that are at least connected to each other at a first and second end of the column assembly. For added rigidity, strut members of a column assembly may be connected to each other between the first and second ends using, for example, a rigidizable resin, a fixed spacer, or a deployable spacer. Connecting strut members between the ends of the column assembly provides mutual bracing to the strut members and decreases the free buckling length of the individual strut members. Spacers are preferably configured to radially space the strut members away from the longitudinal centerline of the column assembly to increase its moment of inertia, and hence its buckling strength.
Owner:NORTHROP GRUMMAN SYST CORP
Architectures and Methods for Novel Antenna Radiation Optimization via Feed Repositioning
ActiveUS20110032173A1Complex antenna designCost-effective methodCollapsable antennas meansAntenna designSatellite antennas
The present invention relates to antenna architectures and methods on re-configurable multi-element antennas via feed re-positioning for various optimized radiation contours, including beam forming (or shaping) and / or null steering on contoured beams, spot beams, and orthogonal beams. The feed re-positioning techniques can also be used in radiation pattern optimization processing during antennas designing phases for fixed beams. The techniques are applicable for satellite communications. For satellite antennas, the beam shaping capability via element repositioning can be utilized for (1) optimized geometries on satellite antennas for given desired coverage areas, (2) re-optimizing radiation contours for reconfigurable antenna on board satellites in operation, (3) additional flexibility for satellite antennas using ground based beam forming (GBBF). As to satellite ground terminals, the same techniques are applicable for both fixed and mobile satellite terminals featuring either single beam or multiple beams. For fixed terminals, are applicable for terrestrial based communications; such as retrofitting existing antennas eliminating interference radiations coming from fixed or slow varying directions.
Owner:SPATIAL DIGITAL SYST
Orientation adjusting apparatus for a satellite antenna set with fine tuning units
ActiveUS20050264467A1Easy to operateEasily and accurately adjustCollapsable antennas meansAntenna supports/mountingsElevation angleHorizontal axis
An orientation adjusting apparatus includes a support base plate set rotatable relative to a mast about a first vertical axis. An azimuth bracket is rotatable relative to the top plate of support base plate set about a second vertical axis. An elevation bracket is rotatable relative to an elevation fine tune bracket about a first horizontal axis. The elevation fine tune bracket is rotatable relative to the azimuth bracket about a second horizontal axis. An azimuth angle fine tuning unit is operable to rotate the azimuth bracket relative to the top plate of support base plate set about the second vertical axis. An elevation angle fine tuning unit is operable to rotate the elevation fine tune bracket relative to the azimuth bracket about the second horizontal axis.
Owner:WISTRON NEWEB
Mechanical lift, fully nesting, telescoping mast
ActiveUS20070028532A1Reduce the amount requiredImprove space efficiencyCollapsable antennas meansTowersEngineeringMechanical engineering
Owner:ALBANY ENGINEERED COMPOSITES
Self guying communication tower
A mobile communication tower comprising a trailer comprising a chassis, mounted on two or more wheels, a hitch, a plurality of chassis guy wire attachment points and a plurality of leveling mechanisms; a telescopic tower pivotally mounted on the trailer; a mechanism to raise and lower the tower; a plurality of tower guy wire attachment points located on the tower; and a plurality of guy wires each with an upper end attached to one of the tower guy wire attachment points and a lower end attached to one of the chassis guy wire attachment points.
Owner:ALLTECH COMM
Portable satellite communication system
ActiveUS20140152492A1Increase contact forceSecure couplingCollapsable antennas meansBeacon systems using radio wavesTransceiverConvex side
Systems and methods for providing a Portable Satellite Communication (“PSC”) antenna. The PSC antenna (100) comprises: a Parabolic Segmented Antenna (“PSA”) reflector (102) with a plurality of identical and interchangeable panels (106) that can be stowed in a nested stacked arrangement; a plurality of interchangeable feedhorn assemblies (104) that can be coupled to a center hub (110) via a quick-connect mechanism (112); an adjustment mechanism (2512, 2602, 2604) for adjusting an angular orientation of the feedhorn assemblies relative to the center hub; a transceiver (202) that can be coupled to a convex side of the PSA reflector; a base panel (120) which is coupled to a tripod positioning structure (118) such that reflector wind moment loads can be transferred through a base panel to the tripod positioning structure; and a tripod positioning structure with folding legs (3102, 3104) and hard stops (3306) against which the folding legs can be preloaded.
Owner:HARRIS CORP
Tower structure
Embodiments of the invention generally relate a method and apparatus for a tower structure. In one embodiment, the tower structure comprises a first base plate comprising a first hinge device, a first structural section having a first side and a second side, the first structural section coupled to a second base plate comprising a second hinge device, a second structural section coupled to the first structural section, and an aerial component coupled to the second structural section, wherein the first structural section is rotatable relative to the first base plate in a first rotational axis, the second structural section is rotatable relative to the first structural section in a second rotational axis, and at least a portion of the second structural section is received in a channel formed in the first side of the first structural section when the first structural section and the second structural section are substantially parallel.
Owner:ELECTRO MECHANICAL INDS
Antenna device for radar-based level gauging
InactiveUS20040108951A1Small sizeEasy to installCollapsable antennas meansAntenna arraysRadarLevel measurement
An antenna device in a radar-based level gauge mounted at an opening in a roof of a tank, the antenna device comprising at least one elongated radiating structure, which has a length that is substantially larger, preferably more than 3-5 times longer, than a maximum cross-sectional length dimension of the opening; is oriented in a non-vertical position; and is configured and fed to produce an essentially vertical radiation beam directed downwards in the tank. Preferably, the antenna device is foldable and is inserted into the tank through the opening and oriented in the non-vertical position by means of folding the radiating structure.
Owner:ROSEMOUNT TANK RADAR
Orientation adjusting apparatus for a satellite antenna set with fine tuning units
ActiveUS7113144B2Easily and accurately adjustPrevent movementCollapsable antennas meansAntenna supports/mountingsElevation angleHorizontal axis
An orientation adjusting apparatus includes a support base plate set rotatable relative to a mast about a first vertical axis. An azimuth bracket is rotatable relative to the top plate of support base plate set about a second vertical axis. An elevation bracket is rotatable relative to an elevation fine tune bracket about a first horizontal axis. The elevation fine tune bracket is rotatable relative to the azimuth bracket about a second horizontal axis. An azimuth angle fine tuning unit is operable to rotate the azimuth bracket relative to the top plate of support base plate set about the second vertical axis. An elevation angle fine tuning unit is operable to rotate the elevation fine tune bracket relative to the azimuth bracket about the second horizontal axis.
Owner:WISTRON NEWEB
Enhanced antenna stowage and deployment system
An antenna stowage and deployment system, including a spacecraft and at least one pair of adjacent nesting antenna assemblies. Each of the antenna assemblies further includes an articulating deployment couple affixed to the spacecraft for deploying the antenna assembly, a first antenna affixed to the deployment couple, and a second antenna affixed to the first antenna. The enhanced antenna stowage and deployment system according to the present invention permits the separation and orientation of more than two adjacent antennas which require an extremely precise deployed position relative to a main spacecraft body. As such, the deployment couple further includes a 1-axis separating hinge and / or a 2-axis primary deployment gimbal. At least one of the antenna assemblies further includes a 2-axis secondary deployment gimbal or a rigid connecting structure for affixing the second antenna to the first antenna.
Owner:LOCKHEED MARTIN CORP
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