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Rf Antenna patents

      

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




 Printed radio frequency sensor structure and a  preparing a rfid sensor tag patent thumbnailPrinted radio frequency sensor structure and a preparing a rfid sensor tag
A printed radio frequency sensor structure contains: a substrate, a rf antenna arranged on a top surface of the substrate, and a protection layer covering on the rf antenna arranged, wherein plural sensing materials are directly introduced into a rf antenna mixture of the rf antenna. A method of preparing a rfid sensor tag comprising steps of: a).
Bgt Materials Limited


 Reporting techniques for reference signal received quality (rsrq) measurements patent thumbnailReporting techniques for reference signal received quality (rsrq) measurements
Reporting techniques for reference signal received quality (rsrq) measurements 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 measure a received signal strength indicator (rssi), determine a reference signal received quality (rsrq) measured quantity value based on the measured rssi, and map the rsrq measured quantity value to an rsrq reporting value according to an rsrq measurement report mapping scheme comprising an extended rsrq reporting range according to which one or more defined rsrq reporting values correspond to rsrq measured quantity values exceeding −3 db.

 Antenna vswr rf duplexer patent thumbnailAntenna vswr rf duplexer
Rf circuitry, which includes an antenna vswr rf duplexer and duplexer control circuitry, is disclosed. The antenna vswr rf duplexer includes a first hybrid rf coupler having a first main port coupled to an rf antenna, a first isolation port, and a first pair of quadrature ports; a second hybrid rf coupler having a second main port, a second isolation port, and a second pair of quadrature ports; a third hybrid rf coupler having a third main port, a third isolation port, and a third pair of quadrature ports; and rf filter circuitry coupled to the first pair of quadrature ports, the second pair of quadrature ports, and the third pair of quadrature ports, such that the antenna vswr rf duplexer provides an antenna vswr signal.
Qorvo Us, Inc.


 Detecting presence, size, and direction of motion of an object using radio-frequency techniques patent thumbnailDetecting presence, size, and direction of motion of an object using radio-frequency techniques
Various embodiments transmit a radio-frequency (“rf”) beam using two or more rf antennas of a mobile device, e.g. A mobile phone.
Motorola Mobility Llc


 Antenna operation for reservoir heating patent thumbnailAntenna operation for reservoir heating
Contaminants such as water or brine, metallic particulates and ionic or organic materials frequently occur in a wellbore being prepared for rf heating, or in an rf antenna installed in the wellbore. Prior to applying rf electrical energy to the formation, the antenna is decontaminated by circulating a preconditioning fluid through the antenna and recovering a spent fluid for treating and recycle.

 System and  rf testing patent thumbnailSystem and rf testing
A system for testing radio frequency (rf) characteristics of a wireless device includes a test fixture. The test fixture includes a base plate that receives a wireless device, and a back plate that receives an rf antenna and positions the rf antenna relative to the wireless device.
Atc Logistics & Electronics, Inc.


 System and  reconfiguring rf signals in a multi-input receiver patent thumbnailSystem and reconfiguring rf signals in a multi-input receiver
A multi-input receiver including a plurality of rf antennas, a multi-channel receiver, an input port configuration block (ipcb), and a configuration block controller. The ipcb includes at least two two-way connection modules, at least one four-way connection module, at least one direct connection module, and a plurality of electronic signal pathways.
Battelle Memorial Institute


 Radio frequency properties of a case for a communications device patent thumbnailRadio frequency properties of a case for a communications device
A case is provided for a portable radio frequency (rf) communications device in which the portable rf communications device has an rf antenna arrangement internal to or integrated with an outer housing, the outer housing having an outer surface having a first portion, dielectric characteristics adjacent to which having a relatively low effect on a frequency characteristic of the rf antenna arrangement; and a second portion, dielectric characteristics adjacent to which having a relatively high effect on the frequency characteristic of the rf antenna arrangement. The case has a base, dimensioned to fit a back of the rf communications device; and a plurality of walls, extending from the base and dimensioned to fit corresponding walls of the rf communications device.
Tech 21 Licensing Limited


 Hydrocarbon resource recovery apparatus including rf transmission line and associated methods patent thumbnailHydrocarbon resource recovery apparatus including rf transmission line and associated methods
An apparatus for hydrocarbon resource recovery from a subterranean formation includes a radio frequency (rf) source, an rf antenna to be positioned within the subterranean formation to deliver rf power to the hydrocarbon resource within the subterranean formation, and an rf transmission line extending between the rf source and the rf antenna. The rf transmission line may include rf transmission line sections coupled together in end-to-end relation.
Harris Corporation


 Radio frequency properties of a case for a communications device patent thumbnailRadio frequency properties of a case for a communications device
A case is provided for a portable radio frequency (rf) communications device having an rf antenna. The case includes a base and a plurality of walls, extending from the base.
Tech 21 Licensing Limited


Combination antenna

Disclosed is an antenna apparatus including a radio frequency (rf) antenna, a magnetic induction (mi) antenna disposed within the rf antenna, and electronic circuitry to receive and process audio received from at least one of the rf antenna and mi antenna.. .
Nxp B.v.

Filtering device for a pmr portable mobile terminal, and mobile terminal

A filtering device intended for being connected to a portable mobile terminal compatible with a pmr network having a wide range of receiving frequencies bi, includes a fastening system for fastening to the mobile terminal, a first radio-frequency connector intended for engaging with a radio-frequency connector of the mobile terminal, a first channel including a first filter for filtering a first receiving useful band bui included within the band bi, and a second radio-frequency connector intended for engaging with a removable rf antenna to transmit or receive radio-frequency signals.. .
Airbus Ds Sas

Led lighting device and system, and antenna arrangement method

A light emitting diode (led) lighting device is provided. The device includes an led light source assembly installed on the top of a heat sink body, and an led driving and power supply unit configured to drive the led light source assembly and provide electrical power for the led lighting device.
Sengled Optoelectronics Co., Ltd.

Radio frequency and fluid coupler for a subterranean assembly and related methods

A radio frequency (rf) and fluid coupler is for a subterranean assembly. The assembly may have a fluid passageway therein, and may include an rf antenna and a coaxial transmission line connected thereto.
Harris Corporation

Video game system and toy with rf antenna

A toy for a video game may include an rfid tag, with an inductive antenna for receiving and transmitting signals. The inductive antenna may have a ferromagnetic core.
Activision Publishing, Inc.

Rf antenna switch and operating the antenna switch

An rf antenna switch and a method for operating the antenna switch are disclosed. In an embodiment the antenna switch includes an antenna terminal and a switch including a number of n i/o terminals and n-x transceiver units, wherein each transceiver unit is configured to operate in a frequency band of a respective communication system, and wherein n and x are integers and n, x≧1 and n>x.
Epcos Ag

Microwave heating apparatus

A microwave heating apparatus comprises: a housing, arranged to define a cavity; a semiconductor rf generator, configured to provide at least one rf signal; and a plurality of rf antennas, arranged in a distributed way within the cavity and configured to radiate the at least one rf signal from the semiconductor rf generator, such that items received in the cavity are dielectrically heated by the radiation.. .
Wayv Technologies Limited

Method of acquiring, auditing and interpreting radiation data for wireless network optimization

The present invention is a method for surveying, monitoring and auditing cell towers and antennas emitting radiation such as radio frequency and infra-red radiation using unmanned aerial vehicles. The method employs vertical measurements of signal strength, interference and radiation with a mobile platform for evaluating test data and optimizing network performance and safety.
Ontegrity, Inc.

System and method using frequency hopping to identify items tagged with rfid tags in an enclosed 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.
Meps Real-time, Inc.

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..
Harris Corporation

Led lighting device and system containing antenna, and related configuring method

Antenna-containing led lighting devices, systems and configuring methods are provided. An exemplary led lighting device includes an led light source component unit and an led driving circuit and power supply unit configured to drive the led light source component unit and to power the led lighting device.
Sengled Optoelectonics Co., Ltd.

Plasma processing apparatus and plasma processing method

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, for mounting thereon a target substrate to be processed; a processing gas supply unit for supplying a desired processing gas to the processing chamber to perform a desired plasma process on the target substrate; and 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 apparatus further includes a floating coil electrically floated and arranged at a position outside the processing chamber where the floating coil is to be coupled with the rf antenna by an electromagnetic induction; and a capacitor provided in a loop of the floating coil..
Tokyo Electron Limited

Slot antenna built into a vehicle body panel

Slot antennas built into metallic body panels utilize the vehicle body itself as an antenna radiator. Building the slot antennas directly into the metallic body panels converts the vehicle body from functioning as an rf shield into an rf antenna, which significantly improves mobile communication reception for a wide range of rf communication devices.
Gm Global Technology Operations Llc

Capacitive proximity sensor configuration including an antenna ground plane

Embodiments of a capacitive sensor configuration for proximity detection by a playback device are provided. A example playback device includes a capacitive proximity sensor and a radio frequency (rf) antenna.
Sonos, Inc.

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.
Harris Corporation

Power saving techniques for embms

Power saving techniques for evolved multimedia broadcast multicast service (embms) services 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 system information message comprising multicast/broadcast over single frequency network (mbsfn) area information, determine an mbsfn area identifier (id) of an mbsfn area based on the mbsfn area information, and determine whether to decode a multicast control channel (mcch) for the mbsfn area based on the mbsfn area id and on mbsfn area mapping information.

Patient monitoring involving receiving multiple asynchronous data streams with antenna diversity

A radio frequency (rf) receiving apparatus (10) includes a first and second omnidirectional rf antennas (20) at different spatial locations or orientations, a first and second rf receivers (24), each connected to a corresponding one of the first and second omnidirectional rf antennas (20), and a controller (32) connected to the first and second rf receivers (24). The first and second rf receivers (24) receive and demodulate rf signals of at least first and second carrier frequencies to recover data packets from at least a first device which transmits data packets on the first carrier frequency rf signal and a second device which transmits data packets on the second carrier frequency rf signal.

Antenna with integrated condensation control system

In an example embodiment, an airborne radio frequency (rf) antenna device can comprise: a radiating portion; a waveguide portion connected to the radiating portion; a desiccant airflow channel; and an internal air volume located within the rf antenna device and associated with the desiccant airflow channel. The desiccant airflow channel can be integral with the rf antenna device.

Rf energy harvester

Disclosed herein is an antenna apparatus for use in harvesting ambient radio frequency, rf, energy. The apparatus comprises one or more rf antenna components arranged to receive rf energy for producing electricity.

System and method to interact with elements of a language using physical objects

The present invention provides a system and method to enable a user to learn a language using physical objects in a highly interactive and free play format. The system uses an interactive surface without a visual electronic display with an array of embedded capacitance sensors and rf antennas operatively linked to a computer system, and a plurality of physical objects, each embedded with an rfid tag and a capacitance tab for activating the capacitance sensor, and each marked with a printed language element such as a letter of the alphabet.

Plasma processing apparatus and plasma processing method

A plasma processing apparatus includes: an evacuable processing chamber including a dielectric window; a substrate supporting unit, provided in the processing chamber, for mounting thereon a target substrate; a processing gas supply unit for supplying a desired processing gas to the processing chamber to perform a plasma process on the target substrate; a first rf antenna, provided on the dielectric window, for generating a plasma by an inductive coupling in the processing chamber; and a first rf power supply unit for supplying an rf power to the first rf antenna. The first rf antenna includes a primary coil provided on or above the dielectric window and electrically connected to the first rf power supply unit; and a secondary coil provided such that the coils are coupled with each other by an electromagnetic induction therebetween while being arranged closer to a bottom surface of the dielectric window than the primary coil..
Tokyo Electron Limited

Short range position sensing device and use

A device for determining the position and orientation of a first body with respect to a second body uses a plurality of radio frequency (rf) transmitters on the first body to transmit a short range signal to one or more rf antennas on the second body. The first and second body are near each other and can be moveably coupled.
Hemisphere Gnss Inc.

Apparatus for hydrocarbon resource recovery including a double-wall structure and related methods

A device for hydrocarbon resource recovery from at least one well in a subterranean formation may include a radio frequency (rf) source, a solvent source, and a double-wall structure coupled to the rf source to define an rf antenna within the at least one well to provide rf heating to the subterranean formation. The double-wall structure may absorb heat from adjacent portions of the subterranean formation.
Harris Corporation

Hydrocarbon resource heating system including choke fluid dispenser 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) source, a choke fluid source, and an elongate rf antenna configured to be positioned within the wellbore and coupled to the rf source, with the elongate rf antenna having a proximal end and a distal end separated from the proximal end. The system may also include a choke fluid dispenser coupled to the choke fluid source and positioned to selectively dispense choke fluid into adjacent portions of the subterranean formation at the proximal end of the rf antenna to define a common mode current choke at the proximal end of the rf antenna..
Harris Corporation

Plasma processing apparatus

A plasma processing apparatus includes: a processing chamber; a substrate holding unit; a processing gas supply unit; a rf antenna having an inner antenna coil and an outer antenna coil; a high frequency power supply unit; at least one floating coil that is in an electrically floating state and provided outside the processing chamber to be coupled to at least one of the inner antenna coil and the outer antenna coil by an electromagnetic induction; and a capacitor. The inner antenna coil includes a single inner coil segment or more than one inner coil segments connected in series, the outer antenna coil includes a plurality of outer coil segments segmented in a circumferential direction and electrically connected with each other in parallel, and the at least one floating coil is positioned between the inner antenna coil and the outer antenna coil in a radial direction..
Tokyo Electron Limited

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.
Apple Inc.

Plasma processing apparatus

A plasma processing apparatus includes a processing chamber, a part of which is formed of a dielectric window; a substrate supporting unit, provided in the processing chamber, for mounting a target substrate; a processing gas supply unit for supplying a processing gas to the processing chamber to perform a plasma process on the target substrate; an rf antenna, provided outside the dielectric window, for generating a plasma from the processing gas by an inductive coupling in the processing chamber; and an rf power supply unit for supplying an rf power to the rf antenna. The rf antenna includes a single-wound or multi-wound coil conductor having a cutout portion in a coil circling direction; and a pair of rf power lines from the rf power supply unit are respectively connected to a pair of coil end portions of the coil conductor that are opposite to each other via the cutout portion..
Tokyo Electron Limited

Ultrahigh frequency rfid (radio frequency identification) reader with sighting function

An ultrahigh frequency (uhf) radio frequency identification (rfid) reader with sighting function for reading rfid tag is mainly formed by a rf antenna and a controller, wherein the physical appearance of the rf antenna is formed with a sighting portion. In reading operation, users can aim the sighting portion of the rf antenna at a rfid tag at a remote location by visual mode so that the rf antenna can finish the reading operation promptly and accurately.
Marson Technology Co., Ltd.

Integrated optical nanoscale probe

A diamond probe is suitable to be attached to an atomic force microscope and is created with a tip that incorporates a one or more nitrogen vacancy (nv) centers located near the end of the tip. The probe arm acts as an optical waveguide to propagate the emission from the nv center with high efficiency and a beveled end directs excitation light to the nv center and directs photoluminescence light emanating from the nv center into the probe arm.
Infinitum Solutions, Inc.

Mobile 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

Radio frequency antenna device for generating a digital magnetic resonance information signal

The present invention provides a radio frequency (rf) antenna device (140) for providing magnetic resonance (mr) information from an examination space (116) of a mr imaging system (110), comprising at least one rf coil (142) with at least one connection port (144) for receiving an analog mr information signal, and at least one analog to digital converter (adc) (150), which is connected to the at least one connection port (144) and which converts the analog mr information signal into a digital mr information signal, whereby the at least one adc (150) is a rf band-pass sub-sampled sigma-delta analog to digital converter. The present invention also provides a mr imaging system (110) comprising such a rf antenna device (140).
Koninklijke Philips N.v.

Distributed airborne communication systems

Methods and apparatus for providing distributed airborne wireless communications are provided. An airborne wireless communication system may include: an airborne fleet comprising a plurality of airborne platforms; a distributed communication payload subdivided into parts, each distributed on respective airborne platforms.
Sunlight Photonics Inc.

Switchable rf transmit/receive multiplexer

A switchable rf transmit/receive (tx/rx) multiplexer, which includes a group of rf tx bandpass filters, a group of rf tx switching elements, and a group of rf rx bandpass filters; is disclosed. The group of rf tx bandpass filters includes a first rf tx bandpass filter and a second rf tx bandpass filter, such that each of the first rf tx bandpass filter and the second rf tx bandpass filter is coupled to a first filter connection node.
Rf Micro Devices, Inc.

Tunable rf transmit/receive multiplexer

A tunable rf transmit/receive (tx/rx) multiplexer, which includes a tunable rf tx/rx diplexing circuit and a first group of rf rx bandpass filters, is disclosed. The tunable rf tx/rx diplexing circuit has a first rx connection node and a first antenna port, which is coupled to a first rf antenna.
Rf Micro Devices, Inc.

Configurable rf transmit/receive multiplexer

A configurable rf transmit/receive (tx/rx) multiplexer, which includes a group of rf tx bandpass filters, a group of rf tx switching elements, and a group of rf rx bandpass filters; is disclosed. Each of the group of rf rx bandpass filters is coupled to a first common connection node.
Rf Micro Devices, Inc.

Mobile 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

Switching 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.

Methods 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.

Detecting 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

Low-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.

Wireless 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



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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    This listing is a sample listing of patent applications related to Rf Antenna for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Rf Antenna with additional patents listed. Browse our RSS directory or Search for other possible listings.


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