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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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;... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |