Rf Antenna

Rf Antenna-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).

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Power scheduling for short-range wireless tags
Microsoft Technology Licensing, Llc
May 11, 2017 - N°20170132438

A reader device for short-range wireless tags comprises a sensing module coupled to one or more rf antennas. The sensing module is arranged to selectively activate and deactivate individual rf antennas and to read data from a plurality of objects comprising short-range wireless tags which are proximate to an active rf antenna. A scheduler module within the reader device is ...
Non-rotationally symmetric short-range wireless tag
Microsoft Technology Licensing, Llc
May 04, 2017 - N°20170124364

A short-range wireless tag has a conductive footprint which is not rotationally symmetric where this footprint is formed from an antenna within the short-range wireless tag and optionally one or more additional conductive areas within the short-range wireless tag. The orientation of such a short-range wireless tag may be determined by a sensing surface when the tag is placed on ...
Multi-modal sensing surface
Microsoft Technology Licensing, Llc
May 04, 2017 - N°20170123554

A multi-modal sensing surface comprises two overlaid arrays: a capacitive sensing electrode array and an array of rf antennas. A first sensing module is coupled to the capacitive sensing electrode array and is configured to detect both an increase and a decrease of capacitance between electrodes in the array. A second sensing module is coupled to the array of rf ...
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Discontinuous reception (drx) alignment techniques for dual-connectivity architectures
Intel Ip Corporation
April 20, 2017 - N°20170111956

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 ...
Self-adaptive antenna systems for electronic devices having multiple form factors
Microsoft Technology Licensing, Llc
April 20, 2017 - N°20170110786

An electronic device is described that is configurable to be transitioned from a first operating mode having a first form factor to a second operating mode having a second form factor. The electronic device includes a first device portion and a second device portion that is connected to the first device portion. The first device portion includes an rf antenna. ...
Magnetic resonance imaging rf antenna
Koninklijke Philips N.v.
March 30, 2017 - N°20170089989

The invention provides for an rf antenna system (100, 1014, 1014′) for transmitting rf excitation signals into and/or for receiving mr signals from an mr imaging system's (1000, 1100, 1200) imaging volume (1015). The magnetic resonance imaging antenna comprises: a coil former (100, 1014, 1014′) adjacent to the imaging volume (1015); and a resonator (400, 500, 600) attached to the coil former and tuned to at least one resonant frequency formed ...
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Conformal load bearing distributed sensing arrays
The Boeing Company
March 02, 2017 - N°20170063454

Systems, methods, and apparatus for an electromagnetic (em) panel are disclosed. In one or more embodiments, a disclosed electromagnetic (em) panel comprises an outer skin, an inner skin, a core disposed between the outer skin and the inner skin, and at least one receiver to receive at least one first signal. In at least one embodiment, at least one receiver ...
Printed radio frequency sensor structure and a method of preparing a rfid sensor tag
Bgt Materials Limited
February 16, 2017 - N°20170046610

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). Printing conductive ...
Reporting techniques for reference signal received quality (rsrq) measurements
Bgt Materials Limited
January 26, 2017 - N°20170026867

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 (...
Antenna vswr rf duplexer
Qorvo Us, Inc.
January 12, 2017 - N°20170012764

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 ...
Detecting presence, size, and direction of motion of an object using radio-frequency techniques
Motorola Mobility Llc
December 29, 2016 - N°20160377703

Various embodiments transmit a radio-frequency (“rf”) beam using two or more rf antennas of a mobile device, e. G. A mobile phone. The rf signals that make up the rf beam are selected to create an emission pattern associated with object detection. Some of the rf antennas can be multi-purpose, where in addition to transmitting the ...
Antenna operation for reservoir heating
Motorola Mobility Llc
December 29, 2016 - N°20160376883

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 ...
System and method for rf testing
Atc Logistics & Electronics, Inc.
December 22, 2016 - N°20160370426

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. Additionally, the system includes test equipment that in operation performs rf testing on ...
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Radio frequency properties of a case for a communications device
Tech 21 Licensing Limited
December 08, 2016 - N°20160359517

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 ...
Hydrocarbon resource recovery apparatus including rf transmission line and associated methods
Harris Corporation
December 08, 2016 - N°20160356136

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 ...
Radio frequency properties of a case for a communications device
Tech 21 Licensing Limited
December 01, 2016 - N°20160352875

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. The base and the plurality of walls have requisite dimensions to receive a portable radio (rf) having an outer surface with a first portion and a second portion. First dielectric ...
Combination antenna
Nxp B.v.
November 24, 2016 - N°20160344109

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.
Filtering device for a pmr portable mobile terminal, and mobile terminal
Airbus Ds Sas
November 17, 2016 - N°20160336982

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 ...
Led lighting device and system, and antenna arrangement method
Sengled Optoelectronics Co., Ltd.
November 10, 2016 - N°20160329624

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. The device also includes a heat sink including the ...
Radio frequency and fluid coupler for a subterranean assembly and related methods
Harris Corporation
November 03, 2016 - N°20160319621

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. The coupler may include an electrically conductive hollow body that includes electrically conductive segments connected together in end-to-end relation at respective joints to provide an outer electrical ...
Video game system and toy with rf antenna
Activision Publishing, Inc.
October 27, 2016 - N°20160310839

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. Inductance of the inductive antenna may be selected such that tuning of the antenna is determined by the inductance of the antenna and input capacitance of an rfid semiconductor circuit of the ...