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| Number | Title | Issue Date |
| 8059055 | Ultra-wideband antenna An antenna includes first and second radiating elements and a conductive arm. The second radiating element has opposite feeding and grounding end portions, each of which is coupled to a respective one of feeding and grounding end portions of the first radiating elem... | 11/15/2011 |
| 7936314 | Dual polarized antenna To provide a dual polarized antenna capable of reducing correlation between antenna elements. A dual polarized antenna is constituted by a vertically polarized antenna and a horizontally polarized antenna formed on a printed circuit board and radiates two kin... | 05/03/2011 |
| 7830326 | Multi-band antenna Provided herewith a multi-band antenna comprising a grounding element lying in a first plane and comprising two longitudinal sides, a radiating element spaced apart from the grounding element and comprising a first radiating arm having a first length and a second ra... | 11/09/2010 |
| 7808442 | Multi-band antenna The present invention discloses a multi-band antenna. The antenna includes a ground portion, a parasitic unit connecting with the ground portion and operated at a first frequency band, a first radiation portion having a feeding point and operated at a second frequen... | 10/05/2010 |
| 7312756 | Antenna An antenna comprises a ground element, a first transmission element, a feed element, a second transmission element and a third transmission element. The first transmission element is electrically connected to the ground element, wherein the first transmission elemen... | 12/25/2007 |
| 7277738 | Integrated antenna and PC card carrying case A carrying case for a personal computer card may include an integral antenna. The carrying case may be secured onto a laptop computer so that the antenna extends above the laptop computer. The case may include a pair of hingedly connected portions, one of which may ... | 10/02/2007 |
| 7227500 | Planar antenna and method for designing the same A coplanar type circularly polarize wave planar antenna is provided, which can be formed on one side of a dielectric substrate. The planar antenna comprises a dielectric substrate; an almost square radiating element formed on one main surface of the dielectric subst... | 06/05/2007 |
| 7221962 | Telecommunications radio system for mobile communication services The invention relates to a telecommunications radio system for mobile communication services. More specifically, the invention relates to covering large sectorized areas for mobile communication services. ... | 05/22/2007 |
| 7183992 | Ultra-wideband V-UHF antenna A wideband antenna system is capable of radiating or receiving radio-frequency signals in a given frequency band, comprising at least two substantially collinear radiating elements, wherein each element radiates in one frequency band, a first radiating element worki... | 02/27/2007 |
| 7180463 | Dual-band antenna A dual-band antenna includes a ground point, a feeding element, a first radiation element, a second radiation element, and an impedance element. The ground point is electronically connected to the first radiation element and the second radiation element. The first r... | 02/20/2007 |
| 7126543 | Planar monopole antenna A planar monopole antenna is provided. The planar monopole antenna comprises a ground plate, a radiating metal plate, and a multi-branch feeding metal plate. The multi-branch feeding metal plate is formed between the ground plate and the radiating metal plate, and h... | 10/24/2006 |
| 7084830 | Two-port antenna structure for multiple-input multiple-output communications A two-port antenna structure with four arms is provided on a printed circuit board. ... | 08/01/2006 |
| 7043269 | Communication card and communication device A communication card or communication device is provided that includes an antenna for transmitting/receiving communication waves; a variable matching unit which can vary a circuit parameter; a directional coupling unit for extracting a reflected signal from the ante... | 05/09/2006 |
| 7006846 | Credit card communication system A system for long range communications is disclosed. The system includes a base station and credit card sized wireless long range communications devices. The wireless long range communication devices each include a transceiver, a man machine interface (e.g., display... | 02/28/2006 |
| 6933909 | Multichannel access point with collocated isolated antennas A wireless telecommunications device is disclosed including a plurality of wireless antennas, each respectively for transmitting and/or receiving wireless signals into a predetermined sector of an omnidirectional space. A mounting structure is included for retaining... | 08/23/2005 |
| 6933891 | High-efficiency transparent microwave antennas The present invention provides for inexpensive transparent microwave antennas with high efficiency. Conductors for the antennas are formed from metallic meshes with a net transparency greater than 70% and supported by a clear substrate. The associated antenna gain e... | 08/23/2005 |
| 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 |
| 6842141 | Fourpoint antenna Wideband antennas with omnidirectional coverage have both military and commercial applications. In one embodiment, the Planar Inverted Cone Antenna (PICA) is composed of a single flat element vertically mounted above a ground plane. A geometry of Planar Inverted Con... | 01/11/2005 |
| 6727858 | Circularly polarized wave antenna suitable for miniaturization A circularly polarized wave antenna is constructed such that the circularly polarized wave antenna has four flat plate-shaped dielectrics having the substantially same thickness vertically provided on a printed substrate and arranged in a square-cylinder shape as a ... | 04/27/2004 |
| 6707433 | Antenna device A plurality of concentric circle array antennas each having a different radius are disposed on an identical plane, and a plurality of element antennas are arranged circumferentially in each of the concentric circle array antennas. The plurality of concentric circle ... | 03/16/2004 |
| 6600455 | M-shaped antenna apparatus provided with at least two M-shaped antenna elements An M-shaped antenna apparatus includes at least two M-shaped antenna elements, a grounding conductor, and a feeding portion. At least two M-shaped antenna elements includes first and second M-shaped antenna elements respectively having first and second re... | 07/29/2003 |
| 6542128 | Wide beamwidth ultra-compact antenna with multiple polarization In a first aspect, an antenna for use at a particular frequency or in a frequency band including said particular frequency, comprises a conductive ground plane having a length in at least one dimension of about a quarter wavelength at said particular freq... | 04/01/2003 |
| 6480170 | Patch antenna A patch antenna comprises a radiating element and a ground plane with a dielectric therebetween, one or both of the radiating element and the ground plane comprising means defining current paths in a pattern which approximates to a preferred excitation mo... | 11/12/2002 |
| 6239751 | Low profile tunable antenna A low profile or very low profile antenna having a finely tunable frequency response is provided. The antenna is easily tuned to have a precise frequency response while its protective radome is in place. The antenna generally includes a first antenna elem... | 05/29/2001 |
| 6111550 | High gain compact scanning personal communication system array An endfire monopole array in a low cross section, low profile package with the area used being vertical or tube-like. The array is aerodynamically shaped on one or more sides in order to minimize wind resistance. The antenna array includes an RF transpare... | 08/29/2000 |
| 6054955 | Folded monopole antenna for use with portable communications devices An antenna arrangement of sufficiently small size to be accommodated in the housing of a portable communications device includes a pair of spaced folded monopole antennas. Each antenna includes a first printed circuit board having a conducting surface tha... | 04/25/2000 |
| 5828346 | Card antenna A fading phenomenon is eliminated by integrally providing two monopole antennas on a printed circuit board, alternately feeding a high frequency signal to the two monopole antennas by a switching device, and differently forming distances and patterns of t... | 10/27/1998 |
| 5668560 | Wireless electronic module A wireless electronic module includes a folded monopole antenna having an antenna port impedance which is reactive at the RF frequency of operation and which conjugately matches the reactive impedance of the electronic circuit which connects to the antenn... | 09/16/1997 |
| 5648787 | Penetrating microwave radar ground plane antenna A penetrating microwave radar ground plane antenna system with separate arrays of transmission antenna elements and receiving antenna elements. The lengths of transmitting and receiving antenna elements are selected to enable the transmission of a nearly ... | 07/15/1997 |
| 5644321 | Multi-element antenna with tapered resistive loading in each element An antenna having efficient operation over a wide bandwidth, a low standing wave ratio and constant radiation characteristics over a wide bandwidth includes in one embodiment a set of four linear elements of substantially the same length. Each linear elem... | 07/01/1997 |
| 5550554 | Antenna apparatus The invention provides for antenna apparatus having antenna members extending parallel to a ground plane, which members are L-shaped and can be provided in advantageously miniaturized form. Two such antenna members can be provided on the same ground plane... | 08/27/1996 |
| 5420599 | Antenna apparatus The invention provides for antenna apparatus having antenna members extending parallel to a ground plane, which members are L-shaped and can be provided in advantageously miniaturized form. Two such antenna members can be provided on the same ground plane... | 05/30/1995 |
| 5349362 | Concealed antenna applying electrically-shortened elements and durable construction A means for concealing an antenna within an extension of a common roof structure using an electrically shortened element laminated between two layers of non-RF conductive material which add to the strength of the invention as well as concealability. The a... | 09/20/1994 |
| 5214436 | Aircraft antenna with coning and banking correction Array antennas for aircraft use have a shiftable center of radiation. The antenna beam of a group of laterally spaced array antennas is steered and the beam shape is controlled by relative shifting of the centers of radiation of the arrays. Beam tilting i... | 05/25/1993 |
| 5191349 | Apparatus and method for an amplitude monopulse directional antenna A directional antenna suitable for use with the transmission and reception of information related to the traffic alert and collision avoidance systems (TCAS) of a monitoring aircraft is disclosed. The directional antenna includes four monopole antennas po... | 03/02/1993 |
| 5173713 | Three element inverted conical monopole with series inductance and resistance in each element The invention relates to a radioelectric communication antenna with a very wide band width and a low standing wave ratio. The antenna includes at least two linear elements in combination that are substantially the same length (L). The median axis (42) of ... | 12/22/1992 |
| 5151707 | Linear array antenna with e-plane backlobe suppressor An antenna comprising a linear array of active elements positioned in one or more rows. The back portion of the array is partially enveloped by a reflector. The reflector includes a backwall and at least one sidewall perpendicular to the backwall and exte... | 09/29/1992 |
| 5140336 | Non-resonant antenna for wind profilers An antenna system particularly suited for wind profiling produces a radio beam which can be oriented in each of four directions and optionally in a fifth, vertical direction and four intermediate directions. The antenna has a single array of strings of co... | 08/18/1992 |
| 5075691 | Multi-resonant laminar antenna A multi-resonant antenna is formed by a plurality of resonators which resonate at different frequencies. A feed member is coupled to the multi-resonant resonators. Disposed between and separating the resonators from the feed member is a dielectric substra... | 12/24/1991 |
| 5072232 | End-fed rod antenna The present invention pertains to an end-fed rod antenna which is tuned, e.g., to the VHF range and has additional transmitting and/or receiving antennas for the mm-wave range.... | 12/10/1991 |
