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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7737906 | Electronically steered phased array blade antenna assembly An antenna design, having two symmetrical phased array blade antenna elements which provide improved lateral target coverage with an increased effective radiated power and exhibits smooth null-free unidirectional antenna patterns. The direction of the unidirectional... | 06/15/2010 |
| 7683849 | System and method of producing a null free oblong azimuth pattern with a vertically polarized traveling wave antenna A vertically polarized traveling wave antenna forms peanut-type directional lobes without significant nulls between the lobes. A self-supporting coaxial line feeds quad-dipole bays coupled around the coaxial line, with opposed dipole pairs spaced along the coaxial l... | 03/23/2010 |
| 7432866 | Antenna device with ion-implanted resonant pattern Disclosed is an antenna device having a substrate, an antenna element for transceiving a wireless signal, an antenna signal feeding line for feeding the wireless signal, and an ion-implanted resonant pattern, which includes a first coupling pattern implanted in the ... | 10/07/2008 |
| 7400871 | Multi-antenna receiving and processing circuit assembly A multi-antenna receiving and processing circuit assembly is disclosed to include multiple antennas for receiving wireless signals, multiple pre-processing units respectively electrically connected to the antennas, a matching circuit electrically connected to the pr... | 07/15/2008 |
| 7365695 | Antenna system An antenna system for sharing of operation employs contiguous transmit frequencies. Transmit frequencies are separated into non-contiguous sub-groups isolated from one another by filters 158(+) and 160(−) associated with positive and negative polaris... | 04/29/2008 |
| 7339543 | Array antenna with low profile An array antenna includes a dielectric substrate (10) having an upper and a lower surfaces (101, 102), a first and a second radiating elements (11, 21), a first connecting portion (31) connecting the two radiating elements arranged on the... | 03/04/2008 |
| 7286097 | Yagi antenna with balancing tab An antenna minimizes radiation from the outer conductor (44) of a coaxial cable (40) that is coupled to the antenna by providing a balancing tab (90) that lies near the connection (72) of the cable outer conductor (44) to the anten... | 10/23/2007 |
| 7280083 | Phased array blade antenna assembly An antenna design, having two symmetrical phased array blade antenna elements which provide improved lateral target coverage with an increased effective radiated power and exhibits smooth null-free bi-directional antenna patterns. Each blade antenna element is coupl... | 10/09/2007 |
| 7265731 | Method and apparatus for improving the performance of a multi-band antenna in a wireless terminal A method and apparatus for improving the efficiency of a multi-band antenna in a wireless terminal over a wide range of frequencies is described herein. To compensate for the undesirable coupling that occurs in a low frequency band between a parasitic antenna and a ... | 09/04/2007 |
| 7253782 | Phase shifting device This invention relates to a phase shifting device, which generally comprises of rigid chassis, in the form of an aluminum plate, which can form a ground plane for feed lines (12) printed on a printed circuit board (16), which is mounted on the chassis,... | 08/07/2007 |
| 7183996 | System for remotely adjusting antennas A mounting apparatus for remotely adjusting the tilt and heading of cell antennas. Antenna tilt is provided by the cooperation of a hinged lower tilt bracket and an upper tilt bracket connected to the antenna by links. The upper tilt bracket is mounted to a vertical... | 02/27/2007 |
| 7176844 | Aperiodic array antenna An antenna array that uses at least two passive antennas and one active antenna disposed above a ground plane, but electrically isolated from the ground plane, and a respective resonant strip positioned beneath each passive antenna. The passive antenna elements are ... | 02/13/2007 |
| 7116281 | Universal dipole with adjustable length antenna elements Described is a universal dipole which may include a feed line coupled to a first fitting; a balun coupled to a second fitting; a first variable length antenna element coupled to the first fitting; a second variable length antenna element coupled to the second fittin... | 10/03/2006 |
| 7102571 | Offset stacked patch antenna and method A stacked patch antenna has a first element having a feed thereto spaced above a ground plane and one or more spaced apart parasitic elements spaced above the first element. The first and parasitic elements may be tuned to a fundamental mode for radiation of a speci... | 09/05/2006 |
| 7095384 | Array antenna Antenna elements are arranged in line on a surface of a substrate at specific intervals along a longitudinal direction of the substrate. A phase-inverting distributor is formed on the surface of the substrate in an area located between two antenna elements which are... | 08/22/2006 |
| 7084813 | Antennas with reduced space and improved performance The disclosed embodiments of antenna elements and antenna element arrangements provide a generally low profile, improved isolation, and providing a larger bandwidth. Certain disclosed antenna elements provide a reduction in the footprint of the antenna elements whil... | 08/01/2006 |
| 7071891 | Antenna apparatus First, second, third and fourth dipole antennas (14, 16, 18, 20) are disposed in a casing (1). The first through fourth dipole antennas are arranged in the same plane, and are disposed in line symmetry with respect to first through fourth imaginary lin... | 07/04/2006 |
| 7027005 | Broadband dipole array antenna A broadband dipole array antenna adopted for use in radio transmission includes a feed network, radiation units and a reflection plate. The antenna is held vertically in a trough of the reflection plate, which reflects the radiation signals of the antenna to enhance... | 04/11/2006 |
| 7026889 | Adjustable antenna feed network with integrated phase shifter A device for feeding signals between a common line and two or more ports. The device including a branched network of feedlines coupling the common line with the ports. The feedlines have transformer portions of varying width for reducing reflection of signals passin... | 04/11/2006 |
| 7012568 | Multi frequency magnetic dipole antenna structures and methods of reusing the volume of an antenna Various resonant modes of a multiresonant antenna structure share at least portions of the structure volume. The basic antenna element has a ground plane and a pair of spaced-apart conductors electrically connected to the ground plane. Additional elements are couple... | 03/14/2006 |
| 7009575 | High-frequency two-dimensional antenna and associated down-conversion method A high-frequency two-dimensional antenna includes a plurality of dual-frequency antennas configured to receive signals having first and second frequencies above the microwave band of the electromagnetic spectrum. The dual-frequency antennas of the two-dimensional an... | 03/07/2006 |
| 7009570 | Phased array antenna absorber and associated methods A phased array antenna includes a substrate, and an array of dipole antenna elements are on the substrate. Each dipole antenna element includes a medial feed portion, and a pair of legs extending outwardly therefrom. Each dipole antenna element further includes a pa... | 03/07/2006 |
| 6999041 | Dual frequency antennas and associated down-conversion method A dual frequency antenna includes a plurality of dipole antennas configured to receive first and second frequencies. The antennas are arrayed to an effective length to reradiate at a third frequency, which is down-converted from the first and second frequencies. A p... | 02/14/2006 |
| 6965349 | Phased array antenna A reconfigurable wide band phased array antenna for generating multiple antenna beams for multiple transmit and receive functions. The antenna array comprises multiple long non-resonant TEM slot antenna apertures with RF MEMS switches disposed within the slots. The ... | 11/15/2005 |
| 6965353 | Multiple frequency band antenna and signal receiving system using such antenna A multiple frequency band antenna includes a dipole antenna (4a), which is formed of two dipole antenna elements (8a, 10a). Two extension elements (24a, 26a) extend outward from respective ones of... | 11/15/2005 |
| 6961596 | Modular RF antenna and filter system for dual radio WLAN access points The present invention relates to low-cost improvement of performance of multiple radio wireless access points. It relates to combinations of an antenna and one or more of a filter or an active components such as a power amplifier, low noise amplifier, switching diod... | 11/01/2005 |
| 6950076 | Two-dimensional dual-frequency antenna and associated down-conversion method A two-dimensional dual-frequency antenna array includes a plurality of dual-frequency antenna array elements configured to receive signals having first and second frequencies. The array elements of the two-dimensional antenna array may be structured to have half-wav... | 09/27/2005 |
| 6943742 | Focal plane array for THz imager and associated methods A high-frequency imaging system for the millimeter and submillimeter radiation includes a high frequency lens to image an object at its focal plane. The object emits electromagnetic radiation at a first frequency above the microwave band of the electromagnetic spect... | 09/13/2005 |
| 6933907 | Variable directivity antenna and variable directivity antenna system using such antennas Folded dipole antenna elements (2, 4) are disposed generally in parallel, being spaced by a distance smaller than a quarter of the wavelength employed. The antenna elements (2, 4) are connected to a combiner (16) via feeders (12, 14) havi... | 08/23/2005 |
| 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 at a downtilt. The maximum squint level of the antenna ... | 08/02/2005 |
| 6911940 | Multi-band reconfigurable capacitively loaded magnetic dipole Designs and physical configurations for multi-frequency, low-profile, capacitively loaded magnetic dipole antennas with active elements to be used in wireless communications covering multiple band application are provided. ... | 06/28/2005 |
| 6906669 | Multifunction antenna A multifunction printed antenna for wireless and telematic applications. In one embodiment, GPS and satellite radio patch antenna elements are printed on one side of a printed circuit board and AMPS, PCS, GSM and terrestrial radio slot antenna elements are etched in... | 06/14/2005 |
| 6906680 | Conductive fluid ground plane Antenna system (100) with dynamically adjustable ground plane spacing. The system includes at least one antenna radiating element (106, 108) and a first conductive ground plane (110, 120) spaced from radiating element (106, 108). The firs... | 06/14/2005 |
| 6885352 | Wireless communications antenna assembly generating minimal back lobe radio frequency (RF) patterns An antenna assembly for wireless communications has various components to minimize signal influence when transmitting signals to minimize undesirable loop formation phenomena caused by (positive) feedback of signals. Signal wave scattering and diffraction causing ba... | 04/26/2005 |
| 6768473 | Antenna system and method An antenna is provided that includes a mast, a first dipole, and a second dipole. The first dipole crosses with the second dipole, and the first dipole and the second dipole form a first antenna assembly that is coupled to the mast. A hybrid power divider is coupled... | 07/27/2004 |
| 6677914 | Tunable antenna system An antenna system with at least one tunable dipole element with a length adjustable conductive member disposed therein that enables the antenna to be used over a wide range of frequencies. The element is made of two longitudinally aligned, hollow support ... | 01/13/2004 |
| 6583760 | Dual mode switched beam antenna Systems and methods for providing antenna beams having reduced grating and side lobes when steered off of the antenna broadside are disclosed. According to the present invention an arrangement of antenna elements suitable for use in generating antenna bea... | 06/24/2003 |
| 6459415 | Omni-directional planar antenna design An omni-directional, planar folded dipole antenna and related quadrature phase shifter implemented on printed circuit boards (PCBs) having differing properties that are perpendicularly engaged. The planar antenna segment is implemented on a single-sided i... | 10/01/2002 |
| 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, the second elongate element being substantially coplanar an... | 06/25/2002 |
| 6281857 | Dipole UHF antenna Indoor UHF antennas for HDTV and ATSC television signals each include a reflector backplate from which is supported one or more dipoles. Both passive and active antennas are disclosed. The active antennas include: single amplifier with a single dipole; pu... | 08/28/2001 |
