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7631414 |
Methods for producing large flat panel and conformal active array antennas
Methods for assembling an active array system are described. In one exemplary embodiment, an active subarray panel assembly having a first surface with a first array of electrical contacts and a...
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7626806 |
Electronic device and receiving member
An electronic apparatus having an upper housing, a lower housing to which the upper housing is connected so as to be openable and closable, where the lower housing is formed with a signal line path...
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7609220 |
Channelized log-periodic antenna with matched coupling
A log-periodic antenna coupled to a channelizer is described in which matched scale constants for the antenna and the channelizer are used to achieve substantially identical coupling over each...
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7583233 |
RF Receiving and transmitting apparatuses having a microstrip-slot log-periodic antenna
A log-periodic antenna having a layer of dielectric media interposed between a microstrip log-periodic portion and a slot log-periodic portion where an array of two or more log-periodic antennas...
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7545338 |
Log-periodic dipole array (LPDA) antenna and method of making
A log periodic dipole array (LPDA) antenna including a first antenna element, a second antenna element and a pair of transmission line structures is provided herein. The first antenna element is...
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7453401 |
Vertical complementary fractal antenna
A vertical complementary fractal antenna is provided, which includes a first fractal structure and a second fractal structure. The first fractal structure is defined as a superposition over at...
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7432872 |
Compact aviation vertically polarized log periodic antenna
A reduced height log periodic antenna that may safely be positioned under the rotating blades of a helicopter sitting on the ground and still resonate in the frequency range at which the antenna...
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7429960 |
Log-periodic antenna
The subject invention provides a log-periodic antenna and method for controlling multiple polarizations of the antenna per a given frequency or frequencies The antenna includes a boom and a...
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7427964 |
Center fed half wave dipole antenna system
A center fed half-wave dipole antenna system includes first and second end brackets that are separated by a center bracket. The center bracket and each of the end brackets include a plurality of...
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7394428 |
Single pole printed antenna
A printed antenna includes a smaller antenna member attached onto the circuit board, one or more greater antenna members attached onto the circuit board and electrically coupled to the smaller...
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7388556 |
Antenna providing downtilt and preserving half power beam width
A panel antenna is provided having one or more radiating elements and a series of directors associated with each radiating element. Each series of directors is angled with respect to a direction of...
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7372423 |
Rapidly deployable antenna system
An antenna system is provided including a rapidly expandable-collapsible housing which mounts two sections of fabric material each having an array of antenna elements formed of electrically...
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7365699 |
Independently center fed dipole array
A dipole array is provided for use as an Ultra Short Pulse (USP) transmitter or receiver in UWB communications systems, which reduces the output pulse dispersion. Instead of having all the dipole...
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7345642 |
Antenna system for radio frequency identification
An antenna including an electrically conductive portion defined substantially by a self-similar geometry present at multiple resolutions. The electrically conductive portion includes two or more...
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7312762 |
Loaded antenna
A novel loaded antenna is defined in the present invention. The radiating element of the loaded antenna consists of two different parts: a conducting surface and a loading structure. By means of...
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7292197 |
Microstrip log-periodic antenna array having grounded semi-coplanar waveguide-to-microstrip line transition
A log-periodic antenna having a layer of dielectric media interposed between a microstrip log-periodic portion and a slot log-periodic portion is described. Also described are antenna embodiments...
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7259725 |
Log-periodic dipole array antenna
A log-periodic dipole array antenna including a dielectric substrate, and antenna elements, symmetrical microstrip lines and baluns disposed on two corresponding surfaces of the substrate is...
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7256751 |
Fractal antennas and fractal resonators
An antenna includes at least one element whose physical shape is at least partially defined as a second or higher iteration deterministic fractal. The resultant fractal antenna does not rely upon...
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7239283 |
Antenna
There is disclosed an antenna having a tapered radiating element possessing a slow-wave structure along a tapered radiating edge thereof. The radiating element is combined with a ground plane...
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7205953 |
Directional antenna array
A directional antenna array is provided that includes a driven element and a first parasitic element separated from the driven element with the first parasitic element and/or the driven element...
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7145513 |
Tuning fractal antennas and fractal resonators
A first fractal antenna of iteration N≧2 in free space exhibits characteristics including at least one resonant frequency and bandwidth. Spacing-apart the first fractal conductive element from a...
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7132994 |
Optical antenna array for harmonic generation, mixing and signal amplification
An optical antenna collects, modifies and emits energy at light wavelengths. Linear conductors sized to correspond to the light wavelengths are used. Nonlinear junctions of small dimension are used...
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7109821 |
Connections and feeds for broadband antennas
The present invention relates to connecting and impedance matching a balanced electrical signal, such as that received by an antenna, with an unbalanced transmission circuit, such as that delivered...
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7057559 |
Fractile antenna arrays and methods for producing a fractile antenna array
An antenna array comprised of a fractile array having a plurality of antenna elements uniformly distributed along a Peano-Gosper curve. An antenna array comprised of an array having an irregular...
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7030829 |
Transmission line conductor for log-periodic dipole array
A conductive member may include a conductor having a pair of opposed parallel surfaces and a cable guide arranged inside the conductor. In another embodiment, a conductive member may include a...
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7023073 |
Noise shield type multi-layered substrate
Disclosed is a noise shield type multi-layered substrate which is advantageous in terms of shielding leaked magnetic flux and cross-talk by disposing a magnetic material onto at least one of...
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6975277 |
Wireless communications device pseudo-fractal antenna
A pseudo-fractal antenna is provided comprising a dielectric, and a radiator proximate to the dielectric having an effective electrical length formed in a pseudo-fractal geometry. That is, the...
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6952189 |
Log-periodic antenna
A self-similar log-periodic antenna is described comprising a plurality of substantially triangular conductive elements, 4, symmetrically disposed in either planar or curved configurations about...
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6930649 |
Log-periodic dipole antenna
A log-periodic dipole antenna ( 10 ) includes a boom ( 12 ) which through insulator blocks ( 15 ) carries a plurality of elements ( 13 ) consisting of element halves ( 13 A, 13 B) which extend in...
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6924776 |
Wideband dual polarized base station antenna offering optimized horizontal beam radiation patterns and variable vertical beam tilt
A dual polarized variable beam tilt antenna ( 10 ) having a plurality of offset element trays ( 12 ) each supporting pairs of dipole elements ( 14 ) to orient the dipole element pattern boresight...
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6922179 |
Low profile television antenna
A television antenna formed from a pair of generally sinuous antenna arms extending outwardly from a common central axis and arranged opposite each other. The antenna arms do not interleave or...
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6885350 |
Microstrip fed log periodic antenna
A microstrip fed log periodic antenna has two spaced dipole strips mounted on a ground plane. Each dipole strip has a trunk with a base, tip and alternating arms extending perpendicular to the...
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6870507 |
Miniature broadband ring-like microstrip patch antenna
A miniature broadband stacked microstrip patch antenna formed by two patches, an active and a parasitic patches, where at least one of them is defined by a Ring-Like Space-Filling Surface (RSFS)...
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6853342 |
Multiloop antenna elements
Antenna elements that have at least three pairs of coplanar and aligned conducting loops, of approximately one-wavelength to two-wavelength perimeters, that have shapes such that there are corners...
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6842156 |
Electromagnetic susceptibility testing apparatus
Frequency-dependent phase center movement in near-field, unshielded, electromagnetic susceptibility testing using a log-periodic dipole can be significantly reduced by bending the rearmost dipole...
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6839038 |
Dual-band directional/omnidirectional antenna
An antenna having a dual-band driven element and a second antenna element simultaneously produces a directional radiation pattern at an upper frequency and an omnidirectional radiation pattern at a...
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6734827 |
High efficiency printed circuit LPDA
A printed circuit log periodic dipole array (LPDA) includes dipole elements with arms having reduced size through use of high effective permittivity substrate portions. The radiation efficiency...
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6731248 |
High efficiency printed circuit array of log-periodic dipole arrays
A printed circuit array of log periodic dipole arrays (LPDA) where each LPDA includes dipole elements with arms having reduced size through use of high effective permittivity substrate portions....
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6710744 |
Integrated circuit fractal antenna in a hearing aid device
A fractal antenna can be incorporated in a hearing device to optimize wireless communication capabilities of such a device. A particular fractal structure having fractals of a generally + shaped...
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6621463 |
Integrated feed broadband dual polarized antenna
An integrated feed broadband dual polarized antenna having a substantially planar support structure and a plurality of symmetrically positioned radiating structures disposed on the first surface of...
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6496155 |
End-fire antenna or array on surface with tunable impedance
A steerable antenna and method of steering a radio frequency wave received by and/or transmitted from the antenna. The antenna includes a tunable high impedance surface and at least one end-fire...
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6469674 |
Double-lemniscate antenna element
An antenna element that has four coplanar and aligned loops, of approximately one-wavelength to two-wavelength perimeters, that have shapes that are similar to the mathematical curve called a...
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6445352 |
Cylindrical conformable antenna on a planar substrate
A cylindrically conformable antenna is formed on a flexible substrate and preferably comprises a complex pattern coupled to a first feedline and, spaced-apart from the complex pattern, a patch that...
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6424317 |
High efficiency broadband antenna
An antenna includes at least two planar conductors cooperatingly arranged in a planar configuration having a bifilar spiral winding structure, a log-periodic structure or a sinuous configuration...
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6411264 |
Two-element driven array with improved tuning and matching
A two-element driven array with improved tuning and matching. First and second elongate conductive elements are provided having respective feed point gaps disposed substantially at their centers,...
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6362796 |
Broadband antenna
An antenna comprises a dielectric sheet, a pair of conductive feed stems facing one another on opposite sides of the sheet, and a plurality of conductive antenna elements extending away from each...
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6346921 |
Broadband antenna
A broadband antenna having closely spaced dipole antenna elements to form a log-periodic array, arranged normal to a signal feed network having a separate feed line for each of the dipole elements....
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6329955 |
Broadband antenna incorporating both electric and magnetic dipole radiators
A broadband antenna incorporating both electric and magnetic dipole radiators includes a tapered feed, such as a bow-tie feed, having a central feedpoint and first and second outer regions...
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6295035 |
Circular direction finding antenna
An antenna system that includes a plurality of mounting plates arranged in a generally circular configuration. Each mounting plate has an inside surface and an outside surface. Each antenna element...
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6278414 |
Bent-segment helical antenna
A bent-segment helical antenna utilizes one or more radiators wrapped in a helical fashion. The radiators are comprised of a plurality of segments. A first segment extends from a feed network at a...
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