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US20110227802 |
LOG PERIODIC ANTENNA AND MANUFACTURING METHOD THEREOF
Disclosed is a log periodic antenna and a manufacturing method thereof. In the log periodic antenna, antenna elements are attached to an antenna body to thereby simplify a structure of the... |
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US20120182196 |
Low-Profile Broadband Multiple Antenna
A low-profile broadband multiple antenna, comprises: a dipole arranged in the top part of said antenna, said dipole comprising at least one first top antenna element connected to the core of a... |
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US20100045559 |
Dual-Band Dipole Microwave Ablation Antenna
A microwave antenna assembly is disclosed. The microwave antenna assembly includes a feedline having an inner conductor, an outer conductor and an inner insulator disposed therebetween and a... |
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US20150244075 |
INTEGRATED MULTIBAND ANTENNA
An end fed dipole antenna on a circuit board configured to be a multiband, portable radio antenna has, among other features, an integrated diplexer for operating the antenna in multiple frequency... |
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US20130207864 |
Wideband, Directional, Linearly Polarized Antenna Having High Polarization Purity
In the field of wideband directional antennas employing linear polarization, and in particular in the context of amplitude goniometry systems, polarization purity defects lead to deformation of... |
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US20120154236 |
Multiband whip antenna
A multi-band whip antenna having a 30 MHz to 2 GHz bandwidth and an L-band dipole has its coverage extended up to 6 GHz by eliminating nulls and reducing VSWR problems that are cured through the... |
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US20130300623 |
Nichrome Resistive Active Element Broad Band Antenna
A nichrome resistive element is used in a closed electrical circuit to form an antenna. |
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US20100033392 |
TAPERED MEANDER LINE ANTENNA
A tapered meander line antenna is formed by having a conductive material disposed on or in a non-conductive material, in which a length of the conductive material traversing from a proximal end to... |
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US20110221646 |
COLLAPSIBLE ANTENNA
A collapsible antenna (10) comprises an elongate boom (12) having a main axis (14) and a plurality of elongate radiating elements (16) having respective first ends (18.1) and respective second... |
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US20100182212 |
COPLANAR WAVEGUIDE FED PLANAR LOG-PERIODIC ANTENNA
A CPW fed planar log-periodic antenna is provided. The antenna includes: an upper substrate; a planar log-periodic antenna structure formed beneath the upper substrate; a CPW-fed structure formed... |
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US20140159975 |
WIDEBAND COMPACT DIPOLE MANPACK ANTENNA
An compact manpack format antenna operating over a broad bandwidth. In one arrangement, the antenna is formed from a set of five hollow cylindrical conductive elements. Several cylinders provide,... |
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US20140232605 |
LOG-PERIODIC DIPOLE ARRAY ANTENNA AND SMART SKIN HAVING THE SAME
A log-periodic dipole array antenna according to one exemplary embodiment of the present disclosure includes a dielectric substrate, a radiating element having a plurality of lines extending from... |
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US20090102705 |
Spectrometric synthetic aperture radar
This invention relates to improved ultra-wideband synthetic aperture radar and inverse synthetic aperture radar, capable of simultaneously and independently imaging a plurality of spectral and... |
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US20150061955 |
Ultra-Broadband Antenna Array with Constant Beamwidth Throughout Operating Frequency Band
An antenna array includes a plurality of antenna elements configured in a flare such that each of the plurality of antenna elements is uniformly spaced apart from at least one adjacent antenna... |
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US20100220026 |
Broadband Lossless Dipole Antenna
The present invention relates to a broadband lossless dipole antenna which is supplied at two supply points (M1, M2, S1, S2) which are symmetrically positioned along the length L of the antenna... |
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US20060202900 |
Capacitively coupled log periodic dipole antenna
A log periodic dipole antenna in which some, or preferably all, of the mechanical attachments do not include metal-to-metal contact points. In particular, the antenna elements, which are... |
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US20070052609 |
Dual-band or single-band dipole antenna
A dual-band or single-band dipole antenna comprises a first radiating unit, a second radiating unit, and a coaxial cable. The first radiating unit includes a first hollow cylinder and a first side... |
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US20130009835 |
COBRA ANTENNA
The present invention relates to a small cobra antenna that has a high performance as an antenna gain, and minimizes the effect of the length of the coaxial wire. An antenna element and a coaxial... |
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US20120133566 |
Foldable Log-Periodic Antenna
A foldable log-periodic antenna includes a feed line, one or more transmitting elements for transmitting and/or receiving electromagnetic signals, one or more supporting elements for holding the... |
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US20090096695 |
Active Photonic Forbidden Band Antennae
The present invention relates to an active photonic band gap antenna. In this case, the photonic band gap structure is constituted by metal rods, some of which are discontinuous, namely composed... |
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US20120194401 |
End-Fed Sleeve Dipole Antenna Comprising a 3/4-Wave Transformer
An end-fed sleeve dipole is provided herein with improved impedance match and increased bandwidth by incorporating a ¾-wavelength transformer in the antenna design. The ¾-wavelength transformer is... |
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US20100283699 |
BROADBAND WHIP ANTENNA
A shortened multi-band antenna includes in-line dipoles, selected elements of which having shielded meanderline chokes to be able to switch from an extended dipole at the lower VHF frequencies to... |
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US20100134371 |
INCREASED BANDWIDTH PLANAR ANTENNAS
A broadband antenna may include a conductive antenna surface for radiating signals, a conductive backplane for reflecting signals radiated by the conductive antenna surface, and a dielectric layer... |
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US20070182655 |
Broad-band log-periodic dipole antenna
Disclosed is a broadband log-periodic dipole antenna, which has first and second radiating elements alternately and symmetrically arranged in both surfaces of a dielectric substrate according to... |
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US20110148729 |
LOG PERIODIC ANTENNA
A log periodic antenna includes first and second transmission lines parallel with each other; and a plurality of broadband radiation elements having first sides electrically connected to the first... |
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US20060164300 |
Transmit antenna
A transmit antenna for a surface wave radar system, including a linear array of active monopole antenna elements for transmitting signals in respective frequency ranges. The relative spacings and... |
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US20060055615 |
Multi-band dipole array antenna
A multi-band dipole array antenna is constructed by coupling a coaxial feed line in an axial direction thereof with at least two PCB-antenna sets connected in series. By adjusting or setting the... |
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US20090015500 |
Antenna Device
An antenna device includes a power supply, a first antenna element, a second antenna element, and a film. The first antenna element includes a first feed line connected with the power supply, and... |
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US20080204343 |
Broadband Multi-Dipole Antenna with Frequency-Independent Radiation Characteristics
The invention describes a broadband multi-dipole antenna that has low input reflection coefficient, low cross polarization, rotationally symmetric beam and constant beam width and phase centre... |
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US20090289869 |
On-chip highly-efficient antennas using strong resonant coupling
The invention relates to an antenna structure for coupling electromagnetic energy between a chip and an off-chip element, including a first resonant structure disposed on or in a chip. The first... |
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US20070273601 |
Signal transmission line for high resolution multi-media interface
A signal transmission line for a high resolution multi-media interface, comprises a plurality of transmission lines; each of the transmission lines having three conductive wires; two conductive... |
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US20100207836 |
Non-Planar Ultra-Wide Band Quasi Self-Complementary Feed Antenna
A non-planar, ultra-wide hand, quasi-self-complementary feed antenna is disclosed. The antenna provides an invariant phase center location over its entire frequency band, is compact and includes a... |
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US20170040702 |
Low-Profile Blanket Antenna
An antenna array includes a flexible microstrip PCB feed layer and a plurality of radiating elements attached to the flexible PCB feed layer. The radiating elements comprise a Tau scalable log... |
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US20160301141 |
Radio Communication System With Antenna Array
A communication device is provided that has two or more antenna arrays such that each array comprises two or more antenna pairs. The antenna pair includes a first antenna and a second antenna... |
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US20150311584 |
WIDEBAND WHIP ANTENNA
A wideband antenna, including a radio-frequency connector providing a radio-frequency current, an elongate radiating element galvanically connected to the radio-frequency connector, the elongate... |
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US20150295321 |
UHF SATELLITE COMMUNICATIONS ANTENNA
A UHF satcom antenna comprises a hollow cylinder; an annular substrate disposed on a base of the hollow cylinder; a circular substrate coplanar and concentric to the annular substrate; a plurality... |