Matches 1 - 50 out of 191 1 2 3 4 >


Match Document Document Title
US20140333499 ELECTRONICALLY TUNABLE ANTENNA BASED ON ORIENTATION CORRECTION AND ADJUSTMENT AND ELECTRONICALLY TUNABLE ANTENNA SYSTEM  
The present disclosure provides an electronically tunable antenna based on orientation correction and adjustment and an electronically tunable antenna system. The main body of the electronically...
US20140210683 CALIBRATING A RETRO-DIRECTIVE ARRAY FOR AN ASYMMETRIC WIRELESS LINK  
The disclosed embodiments relate to a technique for calibrating a retro-directive array. During the calibration process, the system measures a gain g1 through a first pair of antennas in the...
US20080278398 Antenna Device with a Parasitic Coupler  
An antenna device includes an antenna, a parasitic coupler, and a conductive strip. The antenna is operable within a first frequency bandwidth. The parasitic coupler is spaced apart from said...
US20110115685 RFID TAG ANTENNA USING DOUBLE-OPEN ENDS COUPLER STRUCTURE  
The present disclosure relates to an RFID tag, more particularly to, a UHF band RFID tag antenna using a double-open ends coupler; wherein the structure thereof is using a half wavelength dipole...
US20070285330 Coupled Sectorial Loop Antenna  
A sectorial loop antenna structure that employs a plurality of pie-slice shaped sectors where adjacent sectors are coupled together by an arch and points of the sectors are coupled to a common...
US20130342420 ANTENNA ASSEMBLY WITH MULTIBAND FUNCTION  
A simple antenna assembly suitable for several wireless frequency bands includes a base board, a first radiator, and a second radiator. The base board has opposite sides connected by an edge and...
US20130285872 ANTENNA  
An antenna according to an embodiment includes a substrate; a radiator; a ground plane spaced apart from the radiator; a feeding pin for feeding an RF signal; a first branch reactance at one side...
US20140055315 Wireless Telephone Coupled Antenna  
An auxiliary antenna for a RF communicating computing device such as a smartphone or pad computer or laptop computer, is provided for enhancement of the RF transmit and receive capabilities of the...
US20110175749 PLANAR DISTRIBUTED ELEMENT ANTENNA ISOLATION BOARD  
An antenna isolation circuit, meter reading device, and method of manufacturing an antenna isolation circuit are disclosed herein. A multilayer planar structure antenna isolation circuit uses...
US20090021445 BROADBAND VHF ANTENNA  
An antenna assembly having a radiating element and a circuit board is provided. The radiating element is coupled to the circuit board by a conductive extension and hook portion where the hook...
US20140218247 ANTENNA ARRANGEMENT  
An antenna, a portable electronic device incorporating an antenna and a method of operation are provided. The antenna includes a first radiator extending from a first end configured to be coupled...
US20140132473 Dual Polarization Current Loop Radiator With Integrated Balun  
A dual polarization current loop radiator realized with a via, probe, or exposed coaxial feed using part of a vertical metal structure of the radiator to guide current to a feed point of a...
US20120229360 INDIRECT FED ANTENNA  
An indirect-fed antenna system is disclosed. In an embodiment, a coupler is electrically coupled to a feed. The coupler capacitively couples to a resonating element and the resonating element is...
US20110057856 ANTENNA FEEDING NETWORK  
An antenna feeding network, including at least one antenna feeding line, each antenna feeding line comprising a coaxial line having a central inner conductor and a surrounding outer conductor. The...
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...
US20120162042 Wireless Device  
The present invention discloses a wireless device. The wireless device includes a housing, formed by a metal material, a wireless module disposed inside the housing, and an antenna, disposed...
US20080079648 Antenna Multiplexer With a Pi-Network Circuit and Use of a Pi-Network circuit  
An antenna multiplexer with a pi-network circuit is described, comprising an inductance connected in series and, on each of the two connection sides of the inductance, a capacitance connected in...
US20060055617 Integrated antenna matching network  
A network is disclosed for matching impedance of an antenna including a first conducting layer to a circuit impedance. The network is adapted to modify at least reactance of the antenna impedance...
US20120256806 Tracking Biological and Other Samples Using RFID Tags  
A box mapper has (i) a frame configured to receive a sample box of RFID-tagged sample vials and (ii) a set of antennae configured to read the vial RFID tags of the sample vials to determine the...
US20110267244 MULTI-FUNCTIONAL CRLH ANTENNA DEVICE  
This application relates to a multi-functional Composite Right and Left Handed CRLH antenna device. A conductive element of a wireless device is incorporated into the antenna structure for reuse....
US20140184465 ANTENNA DEVICE  
A first antenna element 102, a second antenna element 103, and a MEMS (micro-electromechanical system) switch 104 are provided, and a feeding point 110 is provided at one end of the first antenna...
US20140015729 ANTENNA DEVICE  
A first antenna element 102, a second antenna element 103, and a MEMS (micro-electromechanical system) switch 104 are provided, and a feeding point 110 is provided at one end of the first antenna...
US20120299795 Miniaturized Ultra-Wideband Multifunction Antenna Via Multi-Mode Traveling-Waves (TW)  
A miniaturized ultra-wideband multifunction antenna comprising a conducting ground plane at the base, a plurality of concentric feed cables, one or more omnidirectional one-dimensional (1-D)...
US20120032868 Remotely Located Tuning Circuits for Multi-Frequency, Multi-Purpose Induction Antennae in Downhole Tools  
An antenna system for a downhole tool has an antenna that is configured to operate at a plurality of frequencies. The tuning circuit is on the interior of the tool and shielded from borehole...
US20110043427 INTERNAL ANTENNA PROVIDING IMPEDANCE MATCHING FOR MULTIBAND  
Disclosed is an internal antenna that provides impedance matching for multiple bands. The antenna includes an impedance matching part, which in turn includes a first conductive element...
US20130187758 Antenna Coupler Mechanism  
Systems and methods are provided for an antenna coupler mechanism. The antenna coupler mechanism includes a first tuning leg configured to accept a radio frequency device. The first tuning leg...
US20100156607 Method for activating an RFID antenna and an associated RFID antenna system  
An improved method and an improved device for activating an RFID antenna uses an antenna (A) and an antenna network (N). The antenna (A) is operated via the antenna network (N) by means of a...
US20110181486 WIRELESS IC DEVICE  
A wireless IC device has a resonant frequency that is hardly altered or affected by external influences and reliably communicates with a reader/writer. The wireless IC device includes a wireless...
US20100321254 POLANAR MULTI-DIRECTIONAL ANTENNA  
The planar multi-directional antenna mainly contains a flat casing and a double-layered circuit board housed inside the casing. The circuit board's two major sides are patterned in a symmetrical...
US20050035909 Card device having S-shaped printed antenna  
A card device includes one or more antenna devices printed on a board member and each having an S-shaped structure formed by a peripheral segment and a link segment, for sending or receiving...
US20090027295 Transition from a pulse generator to one or more helical antennae  
An apparatus providing a low impedance transition from a pulse generator to one or more helical antennae. Conventional transition from coaxial-to-antenna causes energy loss. The present invention...
US20150130668 ANTENNA ASSEMBLY  
The present invention relates to an antenna for wireless application made from a component of an electronic device, said component being attached to the casing of the electronic device and...
US20120256800 MULTIBAND ANTENNA STRUCTURE AND METHODS  
An antenna structure intended for small-sized mobile terminals. In one embodiment, the antenna structure comprises a main radiator for implementing the lowest operating band and other radiators...
US20110237299 GPS MAST MODULE AND MOBILE RADIO INSTALLATION  
An improved GPS mast module is characterised by the following features: the GPS mast module may be connected in a HF main transmission line (7, 107) between a base station (BS) and an antenna...
US20150236417 MULTIBAND ANTENNA  
There is disclosed a multiband antenna device comprising a conductive elongate antenna element configured for electrical connection to a groundplane at a grounding point, and a conductive elongate...
US20140285393 DUAL-TAPERED MICROSTRIP-TO-WAVEGUIDE TRANSITION  
An antenna apparatus comprises a substrate with a microstrip-to-waveguide transition comprising a microstrip feedline extending between a first terminal point and a second terminal point at a...
US20090284227 RECEIVE ANTENNA FOR WIRELESS POWER TRANSFER  
Exemplary embodiments are directed to wireless power transfer to an electronic circuit including a wireless charging receive antenna comprising a first loop of an energy receiving conductor and at...
US20100328184 Antenna Switching Arrangement  
An antenna arrangement comprising an input/output connection and a first and a second tuning network with different transfer functions. The arrangement additionally comprises an antenna and a...
US20090274072 Antenna feed network for full duplex cummunication  
The present invention provides a wireless device for effecting two way wireless transmission, an antenna feed network, and a patch antenna. The wireless device includes an antenna assembly having...
US20140125523 Compact directional Receiving antenna and method  
The present invention is a compact directional receiving antenna and method for providing same utilizing true-time-delay methods to achieve a wide pattern bandwidth in a compact size. In one...
US20090160723 Antenna formed of multiple resonant loops  
A magnetic and/or magneto-electric antenna that has a plurality of conducting loops that each can be resonated at a frequency that is offset from the other loops to provide a composite band-pass...
US20110273353 HYBRID METAMATERIAL ANTENNA STRUCTURES  
A wireless device having a CRLH antenna structure incorporates a meander line at the feed and adds a three dimensional conductive structure to shift a meander mode resonance frequency.
US20100103049 WIDEBAND STRIP FED PATCH ANTENNA  
A microstrip patch antenna comprises a patch antenna element comprising a first conductive layer; dual probe feeds separate from each other and spaced from and field coupled to the patch antenna...
US20080309577 Method for Coupling Terahertz Pulses Into a Coaxial Waveguide  
A system for coupling teraherz (THz) radiation to a coaxial waveguide comprises an antenna that generates THz radiation having a mode that matches the mode of the waveguide. The antenna may...
US20080048927 Variable directivity antenna and information processing device  
In a variable directivity antenna, an antenna element includes a pole-like or rotator-like radiator. A coaxial line supplies power to the antenna element. A directivity switching unit is provided...
US20050035921 SWITCHABLE ANTENNA MATCHING SYSTEM FOR A FLIP STYLE MOBILE PHONE  
An antenna matching system is used in a flip style mobile unit. The flip style mobile unit can be operated in an open status or in a closed status. The antenna matching system includes an antenna...
US20080266199 Adjustable antenna and methods  
An adjustable monopole antenna especially intended for the mobile terminals. The adjusting circuit (930) of the antenna is located between the radiator (920) and the antenna port of a radio device...
US20120212386 WIDEBAND CIRCULARLY POLARIZED HYBRID DIELECTRIC RESONATOR ANTENNA  
The present invention provides a dielectric resonator antenna comprising: a dielectric resonator; a ground plane, operatively coupled with the dielectric resonator, the ground plane having four...
US20110205134 RFID SYSTEM WITH AN EDDY CURRENT TRAP  
An REID antenna assembly configured to be energized with a carrier signal is disclosed. The REID antenna assembly includes an inductive component including a loop antenna assembly, at least one...
US20130044039 CERAMIC ANTENNA  
A ceramic antenna includes a ceramic body, a first conductor, a second conductor, four metal poles, and eight metal pads. The first conductor and the second conductor are positioned on a same...

Matches 1 - 50 out of 191 1 2 3 4 >