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| Number | Title | Issue Date |
| 8164538 | Multimode antenna structure One or more embodiments are directed to a multimode antenna structure for transmitting and receiving electromagnetic signals in a communications device. The communications device includes circuitry for processing signals communicated to and from the antenna structur... | 04/24/2012 |
| 7796092 | Broadband composite dipole antenna arrays for optical wave mixing A broadband composite dipole array (CDA) includes an array of macro dipoles on a non-conducting substrate adapted to receive radiation at two frequencies. Each macro dipole is an array of micro dipoles adapted to receive radiation at substantially the mean of the tw... | 09/14/2010 |
| 7688273 | Multimode antenna structure One or more embodiments are directed to a multimode antenna structure for transmitting and receiving electromagnetic signals in a communications device. The communications device includes circuitry for processing signals communicated to and from the antenna structur... | 03/30/2010 |
| 7583236 | Wideband communication antenna systems with low angle multipath suppression Vertical array antenna systems can provide broadband data link operation with reduction of susceptibility to low angle multipath effects, for communication during carrier landings by aircraft and other applications. In a relatively small package, an antenna system m... | 09/01/2009 |
| 7486250 | Composite dipole array Methods and systems for generating and imaging THz electromagnetic radiation using a composite dipole array made up of novel structures of non-linear dipole strings with dual frequency resonances for frequency up conversion and frequency down conversion are disclose... | 02/03/2009 |
| 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 |
| 7369094 | Dual-frequency high-gain antenna A dual-frequency high-gain antenna is provided, which includes: a diplexer loop portion disposed at the center of the antenna substrate for receiving a feed signal; two single-frequency radiation units, symmetrically connected to two sides of the diplexer loop porti... | 05/06/2008 |
| 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 elements serially fed by a transmission line, the feeding in the array... | 04/29/2008 |
| 7362272 | Circularly polarized antenna The present invention relates to techniques to excite a circularly polarized antenna and, more particularly, to a circularly polarized antenna having a QUAD-EMC unit structure. It comprises plural polarized antenna elements; a signal distributor; and a signal coupli... | 04/22/2008 |
| 7333068 | Planar anti-reflective interference antennas with extra-planar element extensions Disclosed herein are wireless products adapted to be positioned in a normal or resting position, that also include an antenna composed of a set of elements arranged in a plane in a radially symmetrical configuration providing a reduction in the susceptibility of ref... | 02/19/2008 |
| 7298345 | Dipole antenna element Described is a dipole which may includes a feed line electrically coupled to a first antenna element; a balun electrically coupled to a second antenna element; and a short assembly slidably coupled to the feed line and the balun to create a short circuit at variable... | 11/20/2007 |
| 7293705 | Radio frequency identification method and system of distributing products A method and system for vending products from a defined area, such as a micro-warehouse with a door. The method includes fitting each product with a radio frequency identification tag, positioning the plurality of products in a micro-warehouse, sensing opening and c... | 11/13/2007 |
| 7292199 | Antenna apparatus A radiator includes two radiating elements having a shape symmetrical with respect to an axis, and a transmission line portion connecting the tip end portions of these two radiating elements to each other. The radiating element has at least part of outer shape forme... | 11/06/2007 |
| 7292202 | Range limited antenna Range limited antenna includes first and second pair of antenna elements, and an RF signal processing network connected to both pair of antenna elements. The network has a function, F(Ξ,x)≈ΦA(x)−ΦB(x), where x is a signal, ΦA... | 11/06/2007 |
| 7289082 | Panel antenna array A system is disclosed for providing a new panel antenna array with enhanced environmental protection, increased reliability and simplified assembly through the incorporation of new array structures. In one embodiment, a panel antenna array system comprises one or mo... | 10/30/2007 |
| 7277063 | Variable directivity antenna and variable directivity antenna system using the antennas Folded dipole antenna elements (2, 4) are disposed generally in parallel, being spaced by a distance smaller than a half of the wavelength employed. The antenna elements (2, 4) are connected to a combiner (16) via feeders (12, 14) having ... | 10/02/2007 |
| 7258276 | Radio frequency identification method and system of distributing products A method and system for vending products from a defined area, such as a micro-warehouse with a door. The method includes fitting each product with a radio frequency identification tag, positioning the plurality of products in a micro-warehouse, sensing opening and c... | 08/21/2007 |
| 7256750 | E-plane omni-directional antenna E-plane omni-directional antenna is described. In an embodiment, a transmission signal connection system includes a center conductive rod to communicate a radio frequency transmission signal, and includes one or more outer conductive rods that each provide a grounde... | 08/14/2007 |
| 7209091 | Vertically polarized panel antenna system and method A very inexpensive and on-site tunable design for a vertically polarized panel antenna system, suitable for the FCC digital broadcast 700 MHz range is provided. Bowtie-like shaped antennas having machine-stampable planar elements with an adjustable separation are co... | 04/24/2007 |
| 7205955 | Antenna A transmission line includes transmission lines parallel and perpendicular, respectively, to a flat portion of a reflector, and the parallel transmission line and the flat portion form a first strip line and the perpendicular transmission line and a conductive plate... | 04/17/2007 |
| 7193579 | Balanced dipole antenna A balanced dipole antenna has a coaxial cable connected between a load or source and the left and right dipole arms to substantially eliminate common mode current and radiative coupling between the coaxial cable and the left and right dipole arms. The connection bet... | 03/20/2007 |
| 7170463 | Broadband omnidirectional array antenna system Broadband omnidirectional, vertically polarized communications antenna systems are disclosed. The antenna systems comprises a plurality of center-fed stacked dipole radiating elements disposed along a central axis, a coaxial feed line coupled between each of the sta... | 01/30/2007 |
| 7165720 | Radio frequency identification method and system of distributing products A method and system for vending products from a defined area, such as a micro-warehouse with a door. The method includes fitting each product with a radio frequency identification tag, positioning the plurality of products in a micro-warehouse, sensing opening and c... | 01/23/2007 |
| 7146147 | Aircraft wireless communication system and method A system and method for providing wireless communication services to passengers of an aircraft. An incoming signal is received from a base station at an external antenna on the aircraft. The incoming signal is converted to a low-energy signal type to be conveyed acr... | 12/05/2006 |
| 7142147 | Method and apparatus for detecting, locating, and identifying microwave transmitters and receivers at distant locations Methods and apparatuses for detecting, locating, and identifying microwave transmitters and receivers at distant locations are disclosed. First and second electromagnetic beams at first and second frequencies, respectively, are transmitted in first and second direct... | 11/28/2006 |
| 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 |
| 7106269 | Omni-azimuthal pattern generator for VLF and LF communication A relative phase shift is induced in the signals of a pair of identical orthogonal antennas such that when the signals are combined the signals are 90 degrees out of phase. This is done in order to eliminate the null along the axis between the two dipole moments of ... | 09/12/2006 |
| 7072611 | Method and system for improving communication A modular cellular wireless communication base station includes a plurality of active radiator modules located at a desired antenna location. Each module includes at least one antenna, a transmitter, and a receiver. A beam forming network controls relative amplitude... | 07/04/2006 |
| 7053853 | Planar antenna for a wireless mesh network A planar antenna that facilitates directional communication to a mesh network. The antenna is housed in a relatively small, planar package that can easily be attached to a window pane to enable the antenna to communicate with a neighboring rooftop mounted node of th... | 05/30/2006 |
| 7053852 | Crossed dipole antenna element A crossed dipole antenna element comprising first and second dipoles, each dipole having a pair of arms, each arm having a first portion extending from a central axis and a second portion extending out of a plane including the first portion and the central axis. In ... | 05/30/2006 |
| 7034770 | Printed dipole antenna A printed dipole antenna includes a metal trace having first type sections and second type sections, wherein currents within the first type sections substantially cancel and currents the second type sections are substantially cumulative. ... | 04/25/2006 |
| 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 |
| 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 |
| 6999042 | Low visual impact monopole tower for wireless communications An antenna system incorporating at least two antennas circumferentially arranged with a side-by-side relationship about a monopole tower. The main beam direction of the radiation pattern emanating from each antenna may be remotely adjusted in elevation and/or azimut... | 02/14/2006 |
| 6995722 | On-board antenna An on-board antenna having a grounding conductor provided on a surface of a first dielectric substrate and an antenna element including a first radiation element provided on the surface of the first dielectric substrate and a second radiation element provided on the... | 02/07/2006 |
| 6987486 | Ground arrangement for a device using wireless data transfer The invention relates to a ground arrangement of a device using wireless data transfer. In order to improve the electric properties of the device and to minimize the SAR value of the device, at least one electrically conductive additional ground lead (73-75) ... | 01/17/2006 |
| 6950077 | Antenna system for terrestrial broadcasting Provided is an antenna system for terrestrial broadcasting. The antenna system has a dipole antenna probe receiving a broadcast signal, a signal amplifier amplifying the received broadcast signal, an antenna matching unit matching impedances between the antenna prob... | 09/27/2005 |
| 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 |
| 6940462 | Broadband dipole antenna to be worn by a user and associated methods An antenna includes a dipole feed, a first dipole element connected to and extending outwardly from the dipole feed, a transmission line extending from the dipole feed in an opposite direction, and a flexible electrically conductive sleeve surrounding the transmissi... | 09/06/2005 |
| 6934511 | Integrated repeater An integrated repeater includes a housing having opposing sides, a donor antenna mounted on one of the opposing sides, a null antenna mounted on the other of the opposing sides, and repeater electronics mounted in the housing and operatively interconnecting the dono... | 08/23/2005 |
