Matches 1 - 43 out of 43


Match Document Document Title
US20130069842 ANTENNA APPARATUS FOR PORTABLE TERMINAL  
An antenna apparatus for a portable terminal is configured to reduce interference. The antenna apparatus includes a first antenna and a second antenna spaced apart from the first antenna. The...
US20120068906 PHASED ARRAY ANTENNA AND METHOD FOR PRODUCING THEREOF  
A vertically stacked array antenna structure is described. The structure comprises a radiating layer, a passive layer disposed under said radiating layer, an active layer disposed under said...
US20050179607 Method and apparatus for dynamically selecting the best antennas/mode ports for transmission and reception  
A method and apparatus for dynamically selecting antennas for transmission and/or reception. The apparatus may be an antenna system, a base station, a wireless transmit/receive unit (WTRU), and/or...
US20130229262 RADIO FREQUENCY IDENTIFICATION READER ANTENNA ARRANGEMENT WITH MULTIPLE LINEARLY-POLARIZED ELEMENTS  
An antenna method and apparatus for a Radio Frequency Identification (RFID) reader includes an RFID reader, a plurality of radio ports of the RFID reader, and a plurality of linearly polarized...
US20140375518 AMPLITUDE TAPERED SWITCHED BEAM ANTENNA SYSTEMS  
Switched beam antenna systems are disclosed. The disclosed antenna systems include an antenna having multiple, co-linear arrays of electromagnetic radiating elements and a Butler Matrix feed...
US20050248497 Semi-blind transmit antenna array device using feedback information and method thereof in a mobile communication system  
There is provided a transmit antenna array device with at least two antennas and a method thereof in which a transmission beam is appropriately formed based on a weight vector to be transmitted to...
US20120235877 BAND REJECT FILTERS  
Distributed band reject filters are disclosed. A band reject filter includes a first acoustic resonator and a second acoustic resonator, each of which has either shunt resonators adapted to...
US20110234469 WIRELESS COMMUNICATION TERMINAL  
A wireless communication terminal including an antenna that supports first and second frequency bands, an RF circuit connected to the antenna; a shunt circuit connected between a connection point...
US20140062812 MULTI-ANTENNA ISOLATION  
An interconnection medium for connecting circuitry, including a ground plane; a first balanced antenna located in a first plane, the first plane being parallel to the ground plane; a second...
US20120274536 MULTIPLE-INPUT MULTIPLE-OUTPUT ANTENNA  
A Multiple-Input Multiple-Output (MIMO) antenna on a substrate includes first and second antennas defined in axial symmetry, a coupling portion, and a grounding portion. The substrate includes a...
US20080129634 MULTI-POLARIZATION ANTENNA FEEDS FOR MIMO APPLICATIONS  
Methods and systems for exploiting orthogonal antenna polarizations which restore MIMO capability to an otherwise single path link are disclosed. Disclosed multi-polarization antennae and antennae...
US20070075911 ANTENNA DEVICE USED IN RADIO-COMMUNICATIONS WITHIN SHORT COMMUNICATION RANGE AND ARTICLE CONTAINER  
There is provided an antenna device used in a radio-communication between a radio communication apparatus and a data carrier within a short communication range. The antenna device comprises first...
US20140203989 HIGH FREQUENCY (HF)/ULTRA HIGH FREQUENCY (UHF) RADIO FREQUENCY IDENTIFICATION (RFID) DUAL-BAND TAG ANTENNA  
Provided is a high frequency (HF)/ultra high frequency (UHF) radio frequency identification (RFID) multiband tag antenna that may form a circular HF tag pattern on one surface of a single printed...
US20120306718 ANTENNA AND WIRELESS MOBILE TERMINAL EQUIPPED WITH THE SAME  
A first connection circuit (108) is controlled so as to cancel mutual coupling impedance existing between a first antenna element (106) and a second antenna element (107) at a first frequency...
US20110006965 Multi-Antenna Enclosure  
The present invention provides an improved single, light weight, compact integrated multi-antenna system for simultaneous reception and transmission of energy at multiple different frequencies...
US20130181880 LOW PROFILE WIDEBAND MULTIBEAM INTEGRATED DUAL POLARIZATION ANTENNA ARRAY WITH COMPENSATED MUTUAL COUPLING  
A low profile wideband multi-beam integrated dual polarization antenna array with compensated mutual coupling effect. Instead of suppressing mutual coupling with post-element-design techniques by...
US20130057438 ANTENNA DEVICE AND PORTABLE WIRELESS TERMINAL EQUIPPED WITH THE SAME  
The connection circuit 108 reduces degradation in the coupling between the antenna elements by performing adjustment to cancel the mutual coupling between the first antenna element 106 and the...
US20050099358 Feed network and method for an offset stacked patch antenna array  
A feed network for, and method of feeding, an array of antenna elements has multiple feed points. Two feed lines extend from the feed points, one having a longer length that the other to provide a...
US20150188240 TRANSMITTING AND RECEIVING ARRAY ANTENNA APPARATUS WITH ULTRA HIGH ISOLATION  
Provided is a Tx and Rx array antenna apparatus with ultra high isolation, the Tx and Rx array antenna apparatus including N antenna elements, and a feeding network to provide electrical signals...
US20140320372 DUAL WIRELESS COMMUNICATIONS DEVICE  
A dual wireless communications device includes a first antenna, a second antenna, a first wireless communication module, a second wireless communication module, an isolation module, and a...
US20090231219 Antenna device for vehicle  
In an antenna device, first and second vertically-polarized antennas are disposed at respective horizontal end portions of a substrate. A first ground pattern functioning as a ground plane of the...
US20070152882 Phased array antenna including transverse circuit boards and associated methods  
A phased array antenna may include a substrate and a plurality of phased array antenna elements carried by the substrate. A plurality of intermediate circuit boards may be arranged in spaced apart...
US20110037676 MOBILE RADIO DEVICE  
To make it possible to suppress degradation in characteristics by electromagnetic coupling between plurality of antennas and to cope with miniaturization of a housing even if a plurality of radio...
US20150372383 DUAL BAND ANTENNA DEVICE  
A dual band antenna device includes a first antenna unit which includes a first long element, a first short element whose resonant frequency is different from the resonant frequency of the first...
US20130106671 MULTI-FUNCTION FEED NETWORK AND ANTENNA IN COMMUNICATION SYSTEM  
Disclosed are a multi-function feed network capable of controlling a radiation pattern diversity and an orthogonal polarization diversity of an antenna transmitting and receiving a signal in a...
US20050219133 Phase shifting network  
A phase shifting network including a main power divider having a main input, first and second main outputs, and means for dividing power received at the main input between the first and second...
US20150255865 DECOUPLING CIRCUIT  
A first distribution circuit outputs a high frequency signal inputted from an input/output terminal to an input/output terminal and a connecting portion. A second distribution circuit outputs a...
US20060097916 Antenna array  
A focussed beam antenna array includes a plurality of element antennas and a feeding network connecting the element antennas to one or more microwave sources. A feeding coefficient is provided for...
US20060092078 Antenna systems for widely-spaced frequency bands of wireless communication networks  
Antenna system embodiments are provided for operation over widely-spaced communication bands. The systems include second antennas circumferentially interleaved with first antennas about a system...
US20120146867 Compact System of Multi-Beam Antennas  
The present invention relates to a system of multi-beam antennas comprising M radiating sources and P networks of N radiating elements, P being greater than 1 and N being an even whole number, the...
US20080030419 Antenna Device  
An antenna device for a mobile phone designed for operation in full duplex comprises a transceiver unit (1) having one transmitting subunit (2) and one receiving subunit (3). At least one first...
US20130307747 VEHICULAR ANTENNA  
A vehicular antenna includes a transmitting antenna element, a receiving antenna element, a coupling portion, and an adjusting portion. The transmitting antenna element transmits a radio wave as a...
US20070152905 Intelligent antenna  
The present invention is to provide an intelligent antenna mounted on a circuit board including an antenna diversity transceiver circuit connected to an intermediate third end of a T-shaped...
US20150222004 TERMINATIONLESS POWER SPLITTER/COMBINER  
An apparatus is provided. First and second hybrid couplers are provided with each having a first port, a second port, a third port, a fourth port and with each being substantially curvilinear. The...
US20050012676 N-port signal divider/combiner  
An N-port signal divider/combiner for dividing and/or combining signals in N−1 frequency bands, including a common line; and N−1 signal ports each coupled to the common line by a respective...
US20050030248 Antenna arrangement  
An improved antenna arrangement has the following features: the at least two antenna element systems (3.1, 3.2) are arranged and/or fed such that the main lobe (7.1) of the first antenna element...
US20160218424 ARRAY ANTENNA DEVICE BASED ON SINGLE RF CHAIN AND IMPLEMENTATION METHOD THEREOF  
Disclosed are an array antenna device based on a single RF chain and an implementation method thereof. The method includes: defining a modulation technique of a data stream of to be transmitted;...
US20100271273 MOVABLE PART WITH AN INTEGRATED WAVEGUIDE FOR AN ELECTRONICS DEVICE  
A movable part for an electronic device which comprises at least two parts that can be moved in relation to each other. The movable part comprises a display for the electronic device and a first...
US20100117920 MULTIBAND ANTENNA DEVICE  
A multiband antenna device includes a first antenna, a second antenna, and a switch. The switch is connected with the first antenna and the second antenna, respectively, and it controls a...
US20170149110 SYSTEMS AND METHODS FOR REDUCING COMMUNICATIONS INTERRUPTIONS IN REDUNDANCY SWITCHING EVENTS  
Systems and methods for reducing communications interruptions in redundancy switching events are provided. In certain embodiments, a method for switching communication paths through a circulator...
US20050035908 Card device having T-shaped printed antenna  
A card device includes one or more antenna devices printed on a board member and each having a T-shaped structure formed by two segments, for sending or receiving wireless signals or for wireless...
US20110169710 CROSS-POLARIZED ANTENNA  
A cross-polarized antenna includes a substrate, a first impedance converter, a second impedance converter, a first cross-polarized antenna, and a second cross-polarized antenna. The first...
US20160276752 Dual Band Smart Patch Antenna for Satellite Communication  
The present invention offers and effective, compact, cost efficient, smart antenna optimized for the 1.6 GHz and 2.5 GHz frequency range. The present invention provides a compact satellite bridge...

Matches 1 - 43 out of 43