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Rf Antenna patents



      

This page is updated frequently with new Rf Antenna-related patent applications.




Date/App# patent app List of recent Rf Antenna-related patents
02/04/16
20160037289 
 Mobile phone and  near field communication patent thumbnailMobile phone and near field communication
Disclosed herein is a mobile phone with the near field communication (nfc) technology and method of operating the mobile phone. The mobile phone includes a display; a baseband chip; a near field communication (nfc) module comprising an rf antenna, an nfc tag circuit and an nfc main chip; and the rf antenna configured to receive incoming rf signals in 13.56 mhz..
Aq Corporation


02/04/16
20160033670 
 Switching an operating mode of an nmr logging tool patent thumbnailSwitching an operating mode of an nmr logging tool
In some aspects of what is described here, a downhole nuclear magnetic resonance (nmr) logging tool can obtain nmr data from a subterranean region. The nmr logging tool includes a magnet assembly operable to produce a static magnetic field in the subterranean region.
Halliburton Energy Services, Inc.


01/21/16
20160020514 
 Methods and devices for reducing passive intermodulation in rf antennas patent thumbnailMethods and devices for reducing passive intermodulation in rf antennas
Systems and related methods for reducing passive intermodulation (pim) include a combination of an antenna control unit (acu) and a remote electrical tilt (ret) system. The acu may be used to generate rotational motion of an output drive shaft in response to an input tilt control signal.
Alcatel-lucent Shanghai Bell Co., Ltd.


12/31/15
20150382307 
 Detecting proximity using antenna feedback patent thumbnailDetecting proximity using antenna feedback
An electronic device provides a detuning monitor circuit configured to detect a change in a voltage standing wave ratio (vswr) between a radio frequency (rf) transmitter and an rf antenna relative to a predetermined vswr baseline and a proximity detector circuit configured to adjust transmission power of a carrier wave transmitted from the rf transmitter, if the change fails to satisfy an acceptable vswr condition. Network proximity detectors are also provided to allow coordination of antenna subsystems to comply with specific absorption rate (sar) constraints and/or maintain/improve antenna performance..
Microsoft Corporation


12/31/15
20150379387 
 Low-profile real-time location system tag patent thumbnailLow-profile real-time location system tag
Embodiments of the present invention provide methods for an electrical-mechanical interface associated with a miniature rtls tag, wherein a mechanical shock absorption comprises a protective antenna enclosure and a potting material to secure the electronics to printed circuit boards. A polyester cup seal prevents the potting material from interacting electrically with an rf antenna.
Zih Corp.


12/24/15
20150371771 
 Wireless power transfer systems and methods patent thumbnailWireless power transfer systems and methods
Systems and methods for transmitting and receiving wireless power are disclosed. A transmitter may include one or more magnetic inductive coil(s) configured to transmit power, a plurality of drive loops, one or more switches connected to the plurality of drive loops, and a controller configured to connect or disconnect the drive loops using the one or more switches.
Board Of Trustees Of The University Of Alabama


12/24/15
20150369851 
 Flexible shielded antenna array for radiated wireless test patent thumbnailFlexible shielded antenna array for radiated wireless test
Systems and methods are disclosed herein to provide shielding and radio frequency (rf) antenna coupling for communication test systems for the testing of wireless data communication devices and systems, including multiple input multiple output (mimo) devices and systems. In accordance with one or more embodiments, a shielding and coupling system containing an array of rf antennas is disclosed that includes a flexible jacket integrated with rf shielding material that simultaneously isolates a device under test (dut) and couples signals from the antennas of the dut.
Ixia


12/17/15
20150362568 
 Tem resonator-type rf antenna device for a magnetic resonance imaging system patent thumbnailTem resonator-type rf antenna device for a magnetic resonance imaging system
A tem rf antenna device (40) for a magnetic resonance mr imaging system (10), •the rf antenna device (40) comprising a plurality of rungs (44), and each rung (44) having at least one axial member (46) that in an operational state is substantially arranged parallel to the axial direction (38) wherein •the axial members (46) of the plurality of rungs (44) are arranged along an azimuthal direction (34) in a substantially equally spaced relationship about a center axis (42), and wherein •the at least one axial member (46) of each of the rungs (44) has two end regions (48, 50) and wherein •for at least two rungs (44′, 44″) of the plurality of rungs (44) that are adjacently arranged with regard to the azimuthal direction (34), each rung (44′, 44″) comprising at least one transversal member (52, 54) that is galvanically connected to one of the end regions (48, 50) of the axial member (46) of that rung (44′, 44″) only, in the operational state, the at least one transversal members (52, 54) of the adjacent rungs (44′, 44″) are substantially arranged such that there exists at least one location on each of the transversal members (52, 54) of the two rungs (44′, 44″) that at least have substantially identical azimuthal coordinates, thereby reducing the rf field outside of the antenna device.. .
Koninklijke Phillips N.v.


12/03/15
20150349933 
 Power offset signaling techniques for network-assisted interference cancellation and suppression (naics) receivers patent thumbnailPower offset signaling techniques for network-assisted interference cancellation and suppression (naics) receivers
Power offset signaling techniques for network-assisted interference cancellation and suppression (naics) receivers are described. In one embodiment, for example, user equipment (ue) may comprise at least one radio frequency (rf) transceiver, at least one rf antenna, and logic, at least a portion of which is in hardware, the logic to receive a radio resource control (rrc) connection control message comprising a radioresourceconfigdedicated field and perform a radio resource configuration procedure in response to receipt of the rrc connection control message, the rrc connection control message to comprise network-assisted interference cancellation and suppression (naics) assistance information that identifies a power offset value for one or more transmissions to the ue over a physical downlink shared channel (pdsch) of a serving cell of the ue.
Intel Corporation


11/26/15
20150341058 
 Reconfigurable rf receive diplexer patent thumbnailReconfigurable rf receive diplexer
A reconfigurable rf receive diplexer, which includes a first hybrid rf coupler, a second hybrid rf coupler, and reconfigurable rf filter circuitry, is disclosed. The reconfigurable rf receive diplexer receives a first adjunct rf antenna receive signal via a first isolation port to provide a first adjunct rf receive signal via a second main port.
Rf Micro Devices, Inc.


11/26/15
20150340994 

Receiver architecture for a compact and low power receiver


A circuit for a receiver with reconfigurable low-power or wideband operation may comprise one or more main signal paths each coupled to a first port and including a low-noise amplifier (lna) configured to provide a radio frequency (rf) signal to a main mixer circuit. An auxiliary signal path may be coupled to a second port.
Broadcom Corporation


11/19/15
20150334521 

Apparatus and near field communication


Disclosed herein is a mobile phone with the near field communication (nfc) technology and method of operating the mobile phone. The mobile phone includes a display; a baseband chip; an near field communication (nfc) module comprising an rf antenna, an nfc tag circuit and an nfc main chip; and the rf antenna configured to receive, from an external rf reader, a command rf signal in 13.56 mhz and further configured to transmit, to the external rf reader, a responsive rf signal in 13.56 mhz..
Aq Corporation


11/19/15
20150332592 

Vehicle monitoring systems and methods


An embodiment includes a lot management system. The lot management system includes a transmitter comprising a location determination module having a gps data pathway to an rf transmission module and a receiver including an rf antenna and a receiver processor..
Key Control Holding, Inc.


11/12/15
20150327105 

Blacklisting techniques for detected set event evaluation


Blacklisting techniques for detected set event evaluation are described. In one embodiment, for example, user equipment (ue) may comprise at least one radio frequency (rf) transceiver, at least one rf antenna, and logic, at least a portion of which is in hardware, the logic to receive a measurement control message comprising a remotely-selected event evaluation blacklist (eeb) for a wireless communication frequency, determine whether a local eeb exists for the wireless communication frequency, and in response to a determination that a local eeb exists for the wireless communication frequency, replace the contents of the local eeb with the contents of the remotely-selected eeb.
Intel Ip Corporation


11/12/15
20150322813 

Embedded wireless sensors for turbomachine component defect monitoring


Various embodiments include detection systems adapted to monitor at least one physical property of a component in a turbomachine. In some embodiments a detection system includes at least one sensor configured to be affixed to a component of a turbomachine, the at least one sensor for sensing information regarding at least one physical property of the turbomachine component during operation of the turbomachine, a signal converter communicatively coupled to the at least one sensor and at least one rf communication device configured to be affixed to a stationary component of the turbomachine, the radio frequency communication device configured to communicate with the at least one signal converter via an rf antenna coupled to the signal converter..
General Electric Company


11/05/15
20150317122 

Rf antenna proximity sensing in a playback device


An example embodiment includes a playback device comprising a wireless communications interface that includes an rf antenna, a capacitive proximity sensor comprising a grounding plane that is coupled to the rf antenna, one or more processors, and a data storage having stored therein instructions executable by the one or more processors to cause the playback device to perform operations. The operations include detecting that an object is in proximity to the capacitive proximity sensor and responsively preparing the playback device to play back audio..
Sonos, Inc.


10/29/15
20150310238 

Apparatus and eliminating blind spot in an rf antenna array


The present invention provides an apparatus and method for eliminating blind spot of a high frequency rf antenna array, allowing an rfid tag to be detected when placed anywhere on top of and within the communication range of the rf antenna array. The rf antenna array includes a first array of rf antenna placed on a first surface and a second rf antenna placed on a second surface.

10/22/15
20150301132 

Rheology unit for mri with integrated oscillator and rf antenna


The present invention provides a rheology module (200) for use in a magnetic resonance (mr) rheology imaging system (110), whereby the rheology module (200) is adapted to introduce mechanical oscillations into a subject of interest (120), comprising a housing (202), a mechanical oscillator unit (204), which extends at least partially outside the housing (202) and is movable relative to the housing (202), and a transducer (206) for moving the oscillator unit (204), whereby the rheology module (200) comprises at least one radio frequency (rf) antenna unit (210, 212), which comprises at least one rf coil (214, 216). With the rf antenna device integrated into the rheology module, an antenna placement close to a region of interest (roi) can be achieved to improve the mr imaging capabilities of a mr rheology imaging system.
Koninklijke Philips N.v.


10/15/15
20150295294 

Rf duplexer filter module with waveguide filter assembly


An rf duplexer waveguide filter module for the transmission and filtering of tx and rx rf signals comprising a substrate with tx and rx filter assemblies mounted thereon. One or both of the tx and rx filter assemblies comprises an rf waveguide filter assembly including a plurality of blocks of dielectric material coupled together in a side-by-side relationship.

10/08/15
20150288389 

Rf receive diplexer


A first rf receive diplexer, which includes a first hybrid rf coupler, a second hybrid rf coupler, and rf filter circuitry, is disclosed. The first hybrid rf coupler has a first main port, a first pair of quadrature ports, and a first isolation port, which is coupled to an rf antenna.

10/01/15
20150280329 

Compact radio frequency antenna apparatuses


Antenna assemblies are described herein. In particular, described herein are multi-focal-point antenna devices and compact radio frequency (rf) antenna devices.

10/01/15
20150276898 

Z-segmented radio frequency antenna device for magnetic resonance imaging


The present invention provides a radio frequency (rf) antenna device (140) for applying an rf field to an examination space (116) of a magnetic resonance (mr) imaging system (110), whereby the rf antenna device (140) is provided having a tubular body, the rf antenna device (140) is segmented in its longitudinal direction (154), and each segment (162, 164) is provided with at least one activation port. The result is that each mode, corresponding to an activation port, may be controlled individually.
Koninklijke Philips N.v.


10/01/15
20150276897 

Radio frequency (rf) birdcage coil with separately controlled ring members and rungs for use in a magnetic resonance (mr) imaging system


A radio frequency (rf) antenna device (40) for applying an rf field to an examination space (16) of a magnetic resonance (mr) imaging system (10), the rf antenna device (40) comprising a plurality of rungs (42, 44) arranged substantially parallel and in an azimuthally substantially equally spaced relationship along an outside of a virtual cylinder (50) with a cylinder axis (52) running parallel to main directions of extension (48); at least one transversal antenna member (54) electromagnetically coupled to at least one rung (42, 44) of the plurality of rungs (42, 44), wherein the at least one transversal antenna member (54) is arranged within a plane substantially perpendicular to the main directions of extension (48) of the plurality of rungs (42, 44); and a plurality of rf circuitries (62, 64, 66), wherein at least one rf circuitry (62, 64, 66) is provided for each rung (42, 44) of the plurality of rungs (42, 44) for mutual decoupling and for individually feeding rf power into and for the at least one transversal antenna member (54) for individually feeding rf power into.. .
Koninklijke Philips N.v.


09/24/15
20150271800 

Resource allocation techniques for device-to-device (d2d) communications


Resource allocation techniques for d2d communications are described. In one embodiment, for example, user equipment may comprise one or more radio frequency (rf) transceivers, one or more rf antennas, and logic, at least a portion of which is in hardware, the logic to receive a d2d control information (d2dci) message comprising d2d transmission pattern (dtp) information, identify a set of d2d transmission resources based on the dtp information, and send one or more d2d data messages using the set of d2d transmission resources.
Intel Corporation


09/17/15
20150263831 

Triplexer architecture for aggregation


Rf circuitry, which includes a first hybrid rf coupler, a second hybrid rf coupler, and a third hybrid rf coupler, is disclosed. The first hybrid rf coupler is coupled to a first rf antenna.
Rf Micro Devices, Inc.


09/17/15
20150263405 

Rf triplexer architecture


Rf circuitry, which includes a first hybrid rf coupler, a second hybrid rf coupler, a third hybrid rf coupler, and rf filter circuitry, is disclosed. The first hybrid rf coupler provides a first main port, a first pair of quadrature ports, and an isolation port.
Rf Micro Devices, Inc.


08/06/15
20150223088 

Techniques for mmwave-capable small cell detection


Techniques for millimeter-wave (mmwave)-capable small cell detection are described. In one embodiment, for example, a mobile communication device may comprise at least one radio frequency (rf) transceiver, at least one rf antenna, and logic, at least a portion of which is in hardware, the logic to receive initiator sector sweep (iss) monitoring instructions identifying one or more millimeter-wave (mmwave) frequency channels to be monitored, perform an iss monitoring procedure comprising monitoring the one or more mmwave frequency channels, and send an iss monitoring report indicating whether any mmwave-capable boosters have been detected during the iss monitoring procedure.
Intel Corporation


08/06/15
20150222026 

High isolation dual antenna rf switch architectures


Rf circuitry, which includes a first main rf switching circuit and a second main rf switching circuit, is disclosed. The first main rf switching circuit is capable of providing an rf signal path between a first main rf port and a first selected one of a first rf antenna and a second rf antenna.
Rf Micro Devices, Inc.


08/06/15
20150216444 

Patient bed with magnetic resonance radio frequency antenna, particularly for use in a magnetic resonance imaging guided therapy system


A patient bed, particularly for use in a magnetic resonance (mr) imaging-guided therapy system employing at least one out of ionizing radiation and ultrasound energy for therapy purposes, having an abdominal support portion (14) for supporting an abdominal region (18) of a subject (12) during magnetic resonance-guided therapy, comprising at least one magnetic resonance (mr) radio frequency (rf) antenna device (48) arranged at a top side (26) of the patient bed in a patient bed center region (30), with at least one mr rf antenna (50) that is enclosed in a housing (52) having two side surfaces (54) opposing each other, wherein, in at least one state of operation, each side surface (54) of the mr rf antenna device (48) is provided to be proximal to an inner side of each of the subject's legs (22), and wherein, in the at least one state of operation, the mr rf antenna device (48) is provided to be proximal to a subject's perineum (20); an mr radio frequency (rf) antenna device (48) therefor; and a therapy system employing at least one out of ionizing radiation and ultrasound energy for therapy purposes that is guided by an mr imaging device with a patient bed having at least one mr radio frequency (rf) antenna device (48).. .
Koninklijke Philips N.v.


07/30/15
20150211336 

Hydrocarbon resource heating system including common mode choke assembly and related methods


A system for heating a hydrocarbon resource in a subterranean formation having a wellbore extending therein may include a radio frequency (rf) antenna configured to be positioned within the wellbore, an rf source, a cooling fluid source, and a transmission line coupled between the rf antenna and the rf source. A plurality of ring-shaped choke cores may surround the transmission line, and a sleeve may surround the ring-shaped choke cores and define a cooling fluid path for the ring-shaped choke cores and in fluid communication with the cooling fluid source..
Harris Corporation


07/23/15
20150207238 

Multiple-input multiple-output rf antenna architectures


Rf communications circuitry, which includes a first rf antenna element, a second rf antenna element, a third rf antenna element, and a fourth rf antenna element is disclosed. The first rf antenna element is proximal to the second rf antenna element.
Rf Micro Devices, Inc.


07/16/15
20150200075 

Plasma reactor with inductive excitation of plasma and efficient removal of heat from the excitation coil


The plasma reactor of the invention is intended for treating the surfaces of objects such as semiconductor wafers and large display panels, or the like, with plasma. The main part of the plasma reactor is an array of rf antenna cells, which are deeply immersed into the interior of the working chamber.
Mattson Technology, Inc.


07/16/15
20150198024 

Combined rf heating and pump lift for a hydrocarbon resource recovery apparatus and associated methods


A hydrocarbon resource recovery apparatus for a subterranean formation having a wellbore extending therein includes a radio frequency (rf) power source, a dielectric fluid source, and an rf antenna within the wellbore. An rf transmission line extends within the wellbore between the rf power source and the rf antenna and is coupled to the dielectric fluid source to be cooled and/or pressure balanced by a flow of dielectric fluid therefrom.
Harris Corporation


07/16/15
20150198020 

Combined rf heating and gas lift for a hydrocarbon resource recovery apparatus and associated methods


A hydrocarbon resource recovery apparatus for a subterranean formation having a wellbore extending therein includes a radio frequency (rf) power source, a gas source, and an rf antenna within the wellbore. An rf transmission line extends within the wellbore between the rf power source and the rf antenna and is coupled to the gas source to be cooled and/or pressure balanced by a flow of gas therefrom.
Harris Corporation


07/09/15
20150195867 

Discontinuous reception (drx) alignment techniques for dual-connectivity architectures


Discontinuous reception (drx) alignment techniques for dual-connectivity architectures are described. In one embodiment, for example, user equipment (ue) may comprise one or more radio frequency (rf) transceivers, one or more rf antennas, and logic, at least a portion of which is in hardware, the logic to receive a radio resource control (rrc) configuration information message containing a small cell rrc configuration information element (ie), the small cell rrc configuration ie to contain a small cell discontinuous reception (drx) configuration ie comprising one or more inter-cell-coordinated small cell drx parameters, the logic to determine a start time for a small cell drx cycle based on at least one of the one or more inter-cell-coordinated small cell drx parameters and initiate the small cell drx cycle at the determined start time.

06/25/15
20150181688 

Neutron generator


A neutron generator includes a sealed envelope providing a low pressure environment for a gas of hydrogen isotope(s). One end of the envelope defines an ion source chamber.
Schlumberger Technology Corporation


06/18/15
20150168953 

Autonomous self-leveling vehicle


An autonomous self-leveling vehicle is provided that includes a controller and an rf antenna. A platform is attached to articulating legs with joint actuators for leveling or maintaining said platform at a defined angle.
Itrack Llc


06/18/15
20150167193 

Non-capacitive or radio frequency-transparent materials with anodized metal appearance


Composite structures that have an appearance of an anodized bulk metal but that is non-capacitive and/or radio frequency (rf) transparent are disclosed. The composite structure can be part of an enclosure of an electronic device.
Apple Inc.


06/04/15
20150150511 

Magnetic resonance examination system with motion detection


An magnetic resonance examination system comprises an rf arrangement with an rf antenna to acquire magnetic resonance signals from an object to be examined, and a motion sensing arrangement to detect motion information of the object. The motion sensing arrangement is provided with one or more rf antenna motion sensors mounted on the rf antenna and one or more object motion sensors to be attached to the object.
Koninklijke Philips N.v.


05/14/15
20150130675 

Microcellular communications antenna and associated methods


A radio frequency (rf) communications system includes a local rf communications device and an rf antenna including a conical rf launch structure coupled to the local rf communications device, and an elongate electrical conductor having a proximal end coupled to the conical rf launch structure and a distal end spaced apart from the conical rf launch structure to define an elongate rf coverage pattern. The elongate conductor may be a coaxial cable.

05/14/15
20150129224 

Hydrocarbon resource heating apparatus including rf contacts and grease injector and related methods


A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a tubular radio frequency (rf) antenna within the wellbore and a tool slidably positioned within the tubular rf antenna. The tool may include an rf transmission line and at least one rf contact coupled to a distal end of the rf transmission line and biased in contact with the tubular rf antenna.

05/14/15
20150129223 

Hydrocarbon resource heating apparatus including rf contacts and guide member and related methods


A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a tubular radio frequency (rf) antenna within the wellbore and a tool slidably positioned within said tubular rf antenna. The tool may include an rf transmission line and at least one rf contact coupled to a distal end of said rf transmission line and biased in contact with said tubular rf antenna.

05/14/15
20150129222 

Hydrocarbon resource heating apparatus including rf contacts and anchoring device and related methods


A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a tubular radio frequency (rf) antenna within the wellbore, and a tool slidably positioned within the tubular rf antenna. The tool may include an rf transmission line and at least one rf contact coupled to a distal end of the rf transmission line and biased in contact with the tubular rf antenna.

05/14/15
20150129202 

Method of heating a hydrocarbon resource including slidably positioning an rf transmission line and related apparatus


A method for heating hydrocarbon resources in a subterranean formation may include positioning a tubular conductor within a wellbore in the subterranean formation and slidably positioning a radio frequency (rf) transmission line within the tubular conductor so that a distal end of the transmission line is electrically coupled to the tubular conductor. The method may also include supplying rf power, via the rf transmission line, to the tubular conductor so that the tubular conductor serves as an rf antenna to heat the hydrocarbon resources in the subterranean formation..

05/07/15
20150122959 

Amr/ami pit lid antenna bracket


An rf antenna bracket for placement through and under a utility meter pit lid for use in an amr or ami system that includes a transmitter bracket cap for placement in a hole disposed in a meter pit lid; a cylindrical threaded neck disposed under and depending downwardly from said cap; a female threaded collar threadably disposed on said threaded neck; first and second elongate parallel slide posts connected to and depending downwardly from said female threaded collar, said first slide post having teeth disposed linearly along the length of an interior side of said first slide post; and an antenna mount slidably affixed to said first and second slide posts, said antenna mount engaging said teeth on said first slide post for vertical adjustment and positioning.. .

04/30/15
20150118978 

Transmit and receive rf multiplexer


A transmit and receive rf multiplexer, which includes a first hybrid rf transmit coupler, a first hybrid rf receive coupler, a hybrid rf antenna coupler, and rf bandpass filter and inversion circuitry, is disclosed. The first hybrid rf transmit coupler has a first main transmit port and a pair of transmit ports having a first in-phase transmit port and a first quadrature-phase transmit port.
Rf Micro Devices, Inc.


04/30/15
20150115030 

Radio frequency antenna carried on a smart card


A smart card apparatus and related systems are presented here. The smart card apparatus includes a dielectric substrate forming a card body, a card circuit module carried by the dielectric substrate, and a radio frequency (rf) antenna arrangement carried by the dielectric substrate.
Echostar Technologies L.l.c.


04/30/15
20150114645 

System including compound current choke for hydrocarbon resource heating and associated methods


A system for heating a hydrocarbon resource in a subterranean formation having a wellbore extending therein, the system including a radio frequency (rf) source, an rf antenna configured to be positioned within the wellbore, a transmission line coupling the rf source and the rf antenna, and a compound current choke surrounding the transmission line. The compound current choke includes a plurality of spaced apart, overlapping, electrically conductive sleeves.
Harris Corporation


04/16/15
20150101745 

Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls


Disclosed herein are systems methods for using ink comprising organometallics in a flexographic printing process using engraved anilox rolls to transfer ink to an impression roll that prints a pattern on a substrate. A banded anilox roll with more than one geometry and/or volume of cells may be used in these production systems and methods.
Unipixel Displays, Inc.


04/02/15
20150091586 

Capacitive proximity sensor configuration including an antenna ground plane


Embodiments of a capacitive sensor configuration for proximity detection by a playback device are provided. The playback device may include a capacitive proximity sensor configured to detect physical movement in a first direction, and a radio frequency (rf) antenna ground plane oriented at a relative angle to the capacitive proximity sensor.
Sonos, Inc.


03/26/15
20150085724 

High linearity rf diplexer


A first rf diplexer, which includes a first hybrid rf coupler, a second hybrid rf coupler, a first rf filter, and a second rf filter, is disclosed. The first hybrid rf coupler has a first main port, a first in-phase port, a first quadrature-phase port, and a first isolation port, which is coupled to a primary rf antenna.
Rf Micro Devices, Inc.


03/26/15
20150085708 

Carrier aggregation using multiple antennas


Rf front-end circuitry, which includes rf switching and duplexing circuitry, a first rf diplexer, and a second rf diplexer, is disclosed. The rf switching and duplexing circuitry operates in one of a group of rf transmit modes, such that the group of rf transmit modes includes at least one transmit uplink carrier aggregation mode.
Rf Micro Devices, Inc.


03/26/15
20150083387 

Rf antenna assembly with spacer and sheath and related methods


An rf antenna assembly is positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The rf antenna assembly includes first and second tubular conductors to be positioned within the wellbore, and having adjacent joined together ends, and first and second rf transmission line segments extending within the first and second tubular conductors and having adjacent joined together ends aligned with the joined together adjacent ends of the first and second tubular conductors.
Harris Corporation


02/12/15
20150043763 

Rf antenna and hearing device with rf antenna


The present disclosure relates to an rf antenna adapted to receive and/or transmit electromagnetic rf signals within a first frequency range enclosing a first frequency of resonance of the rf antenna, the rf antenna comprising: an electrically conductive antenna element having a feed for electrically connecting to an rf transmitter and/or an rf receiver; an electronic component adapted to receive and/or provide one or more electric signals from/to an electronic circuit within a second frequency range not overlapping the first frequency range; and one or more electric leads electrically connected to lead the one or more electric signals between the electronic component and the electronic circuit, each of the one or more electric leads being electrically connected to the electronic circuit through a respective inductor adapted to reflect and/or attenuate signals within the first frequency range and pass signals within the second frequency range.. .
Oticon A/s


02/05/15
20150034304 

Hydrocarbon resource heating system including balun having a ferrite body and related methods


A system for heating hydrocarbon resources in a subterranean formation having a wellbore therein includes a coaxial transmission line, a balun, and a radio frequency (rf) antenna coupled together in series and configured to be positioned in the wellbore so that the rf antenna heats the hydrocarbon resources in the subterranean formation. The coaxial transmission line includes an inner conductor and an outer conductor surrounding the inner conductor.
Harris Corporation


02/05/15
20150034303 

Hydrocarbon resource heating system including sleeved balun and related methods


A system for heating hydrocarbon resources in a subterranean formation having a wellbore therein includes a coaxial transmission line, a balun, and a radio frequency (rf) antenna coupled together in series and configured to be positioned in the wellbore so that the rf antenna heats the hydrocarbon resources in the subterranean formation. The coaxial transmission line includes an inner conductor and an outer conductor surrounding the inner conductor.
Harris Corporation


01/15/15
20150014276 

Plasma processing method


A plasma processing method for performing a plasma process on a processing target substrate is provided. The plasma processing method includes: segmenting a rf antenna into an inner coil, an intermediate coil, and an outer coil with gaps therebetween in a radial direction, respectively, the inner coil, the intermediate coil and the outer coil being electrically connected to one another in parallel between a first node and a second node; providing a variable intermediate capacitor and a variable outer capacitor between the first node and the second node, the variable intermediate capacitor being electrically connected in series to the intermediate coil, the variable outer capacitor being electrically connected in series to the outer coil, no reactance device being connected to the inner coil; and controlling plasma density distribution on the processing target substrate by selecting or variably adjusting electrostatic capacitances of the intermediate capacitor and the outer capacitor..
Tokyo Electron Limited


01/15/15
20150013967 

Hydrocarbon resource heating system including rf antennas driven at different phases and related methods


A system for heating hydrocarbon resources in a subterranean formation having spaced-apart wellbores therein aligned in a plane may include radio frequency (rf) antennas to be positioned within respective ones of the spaced apart wellbores aligned in the plane. The system may also include a plurality of discrete rf sources each coupled to one of the rf antennas and configured so that the rf antennas are driven at a same frequency as each other rf antenna but at different phases..
Harris Corporation


01/08/15
20150007974 

Hydrocarbon resource heating apparatus including ferromagnetic transmission line and related methods


A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include an rf antenna configured to be positioned within the wellbore to heat the hydrocarbon resources in the subterranean formation. The device may further include a radio frequency (rf) source, and an rf transmission line coupling the rf antenna and the rf source.
Harris Corporation


01/01/15
20150000112 

Personalized rf coil array for mr imaging guided interventions


The invention relates to a method of manufacturing a personalized rf coil array for mr imaging guided interventions. The method comprises the steps of: —acquiring diagnostic image data reflecting the anatomy of a portion of a patient's body (10); —planning an intervention on the basis of the diagnostic image data, wherein a field of the intervention within the patient's body (10) portion is determined; —arranging one or more rf antennae (11, 12, 13) on a substrate (19), which is adapted to the patient's anatomy, in such a manner that the signal-to-noise ratio of mr signal acquisition via the one or more rf antennae (11, 12, 13) from the field of the intervention is optimized.
Koninklijke Philips N.v.


12/11/14
20140361937 

Method for rf testing utilizing a test fixture


One embodiment provides a system, method, and test fixture for performing rf testing of an electronic device. An rf antenna is received in a base plate.

12/11/14
20140361934 

Antenna window and antenna pattern for electronic devices and methods of manufacturing the same


A housing for an electronic device, including an aluminum layer enclosing a volume that includes a radio-frequency (rf) antenna is provided. The housing includes a window aligned with the rf antenna; the window including a non-conductive material filling a cavity in the aluminum layer; and a thin aluminum oxide layer adjacent to the aluminum layer and to the non-conductive material; wherein the non-conductive material and the thin aluminum oxide layer form an rf-transparent path through the window.

12/04/14
20140353386 

Smart card


A smart card includes a main stuff body and a data display module. The main stuff body includes a rf antenna, a charge pump module, a first processing module, and a second processing module.

11/27/14
20140349574 

Device with an eeprom having both a near field communication interface and a second interface


A peripheral device and a method for programming the read/writeable memory of the rfid circuitry by communications between either rf antenna or bus communications port controller interface or both. In the peripheral device, an eeprom , bus communications controller interface, nfc interface, antenna, and logic controller operate to receive and transmit configuration and calibration data between a wireless personal area network circuit and an external wireless personal area network enabled device.

11/27/14
20140345534 

Livestock feeder-embedded rfid antenna apparatus


Several embodiments of a novel rfid antenna apparatus that are uniquely structurally integrated with livestock feeder units are disclosed. In one embodiment, a circular antenna apparatus embeds a circular livestock feeder unit by structurally encapsulating or surrounding a perimeter of the circular livestock feeder unit.

11/20/14
20140340272 

Telemetry extension cable


The invention of the disclosure is an extension cable to connect via telemetry, an external medical device in a non-sterile zone with a medical device that is within a sterile zone. The telemetry extension cable includes a cable having a length and comprising a conductor, a first rf antenna attached at one end of the cable and a second rf antenna attached at a second end of the cable, at least one of the first or second antennas configured to transmit and receive rf signals to and from an implantable medical device..

11/13/14
20140336734 

Hyperthermia system and a generating a focused threedimensional rf field


The invention relates to a hyperthermia system for treating a patient, comprising an rf power unit, one or more rf antenna's connected to the rf power unit for generating a focused three-dimensional rf field, a controller for adjusting the rf power source and/or the one or more rf antenna's for steering the focused three-dimensional rf field; a sensor for sensing a parameter representative of the focused three-dimensional rf field; a communication environment for inputting data from the said sensor and/or additional information provided by the patient, said communication environment being capable of generating trigger signals to the controller for in use steering the focused three-dimensional rf filed in real time. The invention further relates to a method for generation a focused three-dimensional rf field..

11/13/14
20140333303 

Magnetic resonance rf excitation with two resonance frequencies to detect the cest effect


In a magnetic resonance apparatus and method for rf excitation with two resonance frequencies to detect the cest effect, the rf excitation is achieved with the use of a first rf antenna and a second rf antenna of the magnetic resonance apparatus with a first portion of the rf excitation at a first resonance frequency of the two resonance frequencies being implemented with the first rf antenna, and a second portion of the rf excitation at a second resonance frequency of the two resonance frequencies is implemented with the second rf antenna.. .

10/30/14
20140320012 

Self-cleaning radio frequency plasma source


A self-cleaning radio frequency (rf) plasma source for a semiconductor manufacturing process is described. Various examples provide an rf plasma source comprising an rf antenna and a rotatable dielectric sleeve disposed around the rf antenna.

09/18/14
20140263993 

Ion source having negatively biased extractor


An ion source for use in a radiation generator includes a sealed envelope containing an ionizable gas therein. The ion source also includes a rf antenna external to the sealed envelope, the rf antenna to transmit time-varying electromagnetic fields within the sealed envelope for producing ions from the ionizable gas.

09/18/14
20140263181 

Method and generating highly repetitive pulsed plasmas


A pulsed radio frequency inductive plasma source and method are provided. The source may generate plasma at gas pressures from 1 torr to 2000 torr.

09/18/14
20140262224 

Rf antenna assembly with feed structure having dielectric tube and related methods


An rf antenna assembly may be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The rf antenna assembly includes first and second tubular conductors and a feed structure therebetween defining a dipole antenna to be positioned within the wellbore, and an rf transmission line extending within one of the tubular conductors.

09/18/14
20140262223 

Rf antenna assembly with dielectric isolator and related methods


An rf antenna assembly is positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The rf antenna assembly includes first and second tubular conductors and a dielectric isolator therebetween.

09/18/14
20140262222 

Rf antenna assembly with series dipole antennas and coupling structure and related methods


An rf antenna assembly is to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The rf antenna assembly includes a series of tubular dipole antennas to be positioned within the wellbore, each tubular dipole antenna having a pair of dipole elements, and an rf transmission line extending within the series of tubular dipole antennas.

08/28/14
20140240185 

Multiband rf antenna


This invention relates to a miniature multiband antenna, in which a substrate being the carrier of a conductive element, and the conductive element configured as a layer onto the substrate and being the radiator in form of a slot, and a conductive layer configured onto the substrate and being the antenna feed line in form of a polygon patch area. Alternative embodiments illustrate use of slot type—and meander type antennas.

08/28/14
20140238631 

Rf aperture coldplate


An rf aperture coldplate for positioning in heat transfer proximity to heat-generating elements of an rf antenna system is presented. The rf aperture coldplate has a front side and a rear side.

08/21/14
20140231416 

Radio frequency antenna assembly for hydrocarbon resource recovery including adjustable shorting plug and related methods


A radio frequency (rf) antenna assembly configured to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery may include an rf transmission line and an rf antenna coupled to the rf transmission line. The rf antenna assembly may also include an adjustable balun that may include a tubular balun housing surrounding the rf transmission line and defining a space therebetween.

08/14/14
20140224472 

Apparatus for heating hydrocarbons with rf antenna assembly having segmented dipole elements and related methods


The apparatus includes an rf antenna assembly to be positioned within a wellbore and coupled to an rf source. The rf antenna assembly includes a first tubular dipole element having opposing proximal and distal ends, an rf transmission line extending through the proximal end of the first tubular dipole element and including an inner conductor, an outer conductor, and a dielectric therebetween.

08/07/14
20140220891 

Apparatus and controlling functions of a mobile phone via nfc communication with an external rf reader


Disclosed herein is an apparatus for controlling the ringtone, camera, and communication functions of a mobile terminal using a near field communication (nfc) chip module and an external radio frequency (rf) reader. The apparatus includes an nfc chip module, a base band chip, and a usim card.

08/07/14
20140218167 

Wirelessly sensed and controlled locking device


A wirelessly sensed and controlled locking device is identified, sensed and controlled by a mobile electronic device to be locked or unlocked. The mobile electronic device comprises a battery, an information transmission chip and a first rf antenna.

08/07/14
20140216726 

Apparatus for heating a hydrocarbon resource in a subterranean formation including a fluid balun and related methods


An apparatus is provided for heating a hydrocarbon resource in a subterranean formation having a wellbore extending therein. The apparatus includes a radio frequency (rf) antenna configured to be positioned within the wellbore, a transmission line configured to be positioned in the wellbore and coupled to the rf antenna, and an rf source configured to be coupled to the transmission line.

08/07/14
20140216724 

Hydrocarbon resource recovery apparatus including a transmission line with fluid tuning chamber and related methods


An apparatus for heating a hydrocarbon resource in a subterranean formation having a wellbore extending therein is provided. The apparatus includes a radio frequency (rf) antenna configured to be positioned within the wellbore, a transmission line configured to be positioned in the wellbore and coupled to the rf antenna, and an rf source configured to be coupled with the transmission line.

08/07/14
20140216346 

Plasma processing apparatus


A plasma processing apparatus includes a processing chamber including a dielectric window; a coil-shaped rf antenna, provided outside the dielectric window; a substrate supporting unit provided in the processing chamber; a processing gas supply unit; an rf power supply unit for supplying an rf power to the rf antenna to generate a plasma of the processing gas by an inductive coupling in the processing chamber, the rf power having an appropriate frequency for rf discharge of the processing gas; a correction coil, provided at a position outside the processing chamber where the correction coil is to be coupled with the rf antenna by an electromagnetic induction, for controlling a plasma density distribution on the substrate in the processing chamber; a switching device provided in a loop of the correction coil; and a switching control unit for on-off controlling the switching device at a desired duty ratio by pulse width modulation.. .

08/07/14
20140216345 

Plasma processing apparatus


A plasma processing apparatus includes a processing chamber including a dielectric window; a coil-shaped rf antenna, provided outside the dielectric window; a substrate supporting unit provided in the processing chamber; a processing gas supply unit; an rf power supply unit for supplying an rf power to the rf antenna to generate a plasma of the processing gas by an inductive coupling in the processing chamber, the rf power having an appropriate frequency for rf discharge of the processing gas; a correction coil, provided at a position outside the processing chamber where the correction coil is to be coupled with the rf antenna by an electromagnetic induction, for controlling a plasma density distribution on the substrate in the processing chamber; a switching device provided in a loop of the correction coil; and a switching control unit for on-off controlling the switching device at a desired duty ratio by pulse width modulation.. .

07/31/14
20140210472 

Reducing the radio-frequency transmit field in a predetermined volume during magnetic resonance imaging


Embodiments of the invention relate to a magnetic resonance imaging system (300) for acquiring magnetic resonance data (358) from a subject (318) that may comprise an electrically conductive object (e.g. An implant or a medical device).

07/24/14
20140206292 

Electronic shelf label system


An electronic shelf label (esl) system is disclosed. The esl system includes a shelf, at least an esl, and a radio-frequency (rf) signal transceiver.

07/24/14
20140204581 

Lighting device with rf antenna


The present invention relates to a lighting device (1). The lighting device comprises a light source(7) arranged at a base (2) of the lighting device, the light source having a main forward emission direction (12).

07/17/14
20140197930 

Field device for automation technology


A field device for automation technology, which has a metal housing for accommodating a field device electronics. On the field device at least one opening is provided, which is closable via a lid composed at least partially of a non-metallic material, wherein an rfid chip and an rf antenna are arranged in the housing in such a manner that communication and energy exchange with an rfid reading device arranged outside of the field device can transpire, and wherein the reading device is so embodied that it provides sufficient energy to the rfid chip when the energy supply to the field device is interrupted, in order to read out via the rfid antenna the data stored on the rfid chip..

07/17/14
20140197929 

Wearable rfid system


Apparatus and methods are provided for automatically interrogating a tagged object using radio frequency identification (rfid) when the object is moved. In one embodiment, a worker is outfitted with a wearable rfid system including an rf antenna, an rfid reader, and a holder to hold the antenna and reader during operation.

07/10/14
20140191909 

Low profile omni-directional planar antenna with wifi video streaming capability through broadband network


An antenna device includes a housing defining an interior cavity, and an rf antenna situated within the housing. The rf antenna receives high definition television signals broadcast over the air.

07/03/14
20140184391 

System and optimizing the process of identifying items tagged with rfid tags in an enclosed shielded space


A system and method comprises a plurality of rf antennas having beams directed to a storage space in which medical items having rfid tags are stored. Each antenna is controlled to inject energy at a different frequency in a frequency-hopping set of frequencies to activate the tags.

06/19/14
20140169510 

Receiver architecture with reconfigurable on-chip matching for wideband operation and off-chip matching for low-power operation


A circuit for a receiver with reconfigurable low-power or wideband operation may comprise one or more main signal paths each coupled to a first port and including a low-noise amplifier (lna) configured to provide a radio frequency (rf) signal to a main mixer circuit. An auxiliary signal path may be coupled to a second port.

06/05/14
20140151028 

Hydrocarbon resource recovery system including rf transmission line extending alongside a well pipe in a wellbore and related methods


A hydrocarbon resource recovery system for a laterally extending wellbore in a subterranean formation may include a radio frequency (rf) source and an electrically conductive well pipe extending within the laterally extending wellbore. The hydrocarbon resource recovery system may further include an rf transmission line coupled to the rf source and extending alongside in parallel with an exterior of the electrically conductive well pipe within the laterally extending wellbore.

05/15/14
20140131450 

Embedded radio frequency identification (rfid) package


A radio frequency identification (rfid) device is described. In one or more implementations, the rfid device includes an integrated circuit (ic) die electrically connected to a radio frequency (rf) antenna winding for transmitting electronically stored information via the rf antenna winding.

05/15/14
20140131044 

Hydrocarbon resource heating device including superconductive material rf antenna and related methods


A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a radio frequency (rf) antenna positioned within the wellbore. The rf antenna may include a superconductive material.

05/01/14
20140118151 

External antenna detection device


Systems and methods for detecting that a removable antenna is electrically connected to a communication device are disclosed. An exemplary detection device includes a visual indicator component and a data indicator component.

04/24/14
20140110395 

System including tunable choke for hydrocarbon resource heating and associated methods


A system and method for heating a hydrocarbon resource in a subterranean formation having a wellbore extending therein, include the use of a radio frequency (rf) source, an rf antenna to be positioned within the wellbore and a transmission line coupling the rf source and the rf antenna. A tunable choke is positioned on the transmission line between the rf source and rf antenna, and a controller is coupled to the tunable choke.

04/24/14
20140110104 

Hydrocarbon processing apparatus including resonant frequency tracking and related methods


A device for processing hydrocarbon resources in a subterranean formation having a laterally extending wellbore therein may include a radio frequency (rf) antenna configured to be positioned within the laterally extending wellbore, and at least one feedback conductor configured to be positioned along the laterally extending wellbore. The device may also include an rf circuit configured to supply rf power to the hydrocarbon resources via the rf antenna.

04/10/14
20140097752 

Inductively coupled plasma ion source chamber with dopant material shield


A plasma ion source including a plasma chamber, gas inlets, an rf antenna, an rf window, an extraction plate, a window shield, and a chamber liner. The rf window may be positioned intermediate the rf antenna and the plasma chamber.

03/27/14
20140087672 

Cmos based rf antenna switch


A novel and useful radio frequency (rf) front end module (fem) circuit that provides high linearity and power efficiency and meets the requirements of modern wireless communication standards such as 802.11 wlan, 3g and 4g cellular standards, bluetooth, zigbee, etc. The configuration of the fem circuit permits the use of common, relatively low cost semiconductor fabrication techniques such as standard cmos processes.

03/13/14
20140071001 

Method for securing a wireless device for rf testing


A system and method for testing rf characteristics of a wireless device. The wireless device is positioned in an x-position and a y-position of a horizontal plane of a test fixture.



Rf Antenna topics: Rf Antenna, Magnetic Field, Hydrocarbon, Communications, Near Field Communication, Microscopy, Imaging System, Patch Panel, F Connector, Electronic Device, Portable Electronic Device, Microcontroller, Rf Emitter, Object Detection Device, Led Device

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