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Rf Antenna

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


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A multi-channel transmit/receive radio frequency (rf) system
Koninklijke Philips N.v.
June 07, 2018 - N°20180156879

A multi-channel transmit/receive radio frequency (rf) system for a magnetic resonance examination system with an rf antenna array including multiple antenna elements and an rf power supply to supply electrical rf power to the antenna elements. Directional couplers are circuited between respective antenna elements and the power distributor.
Internal heater for rf apertures
Kymeta Corporation
May 24, 2018 - N°20180146511

A heater for a radio frequency (rf) antenna and method for using the same are disclosed. In one embodiment, an antenna comprises a physical antenna aperture having an array of rf antenna elements; and a plurality of heating elements, each heating element being between pairs of rf elements of the array of rf elements..
Radio frequency antenna and monitor
Rodradar Ltd.
May 24, 2018 - N°20180145419

A ground penetration radar (gpr) antenna system is integrated into a digging machine such that the system is configured to remain operable under the same environmental conditions as the machine. The system includes an rf antenna and an antenna monitor.
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Rf ion source with dynamic volume control
Varian Semiconductor Equipment Associates, Inc.
May 17, 2018 - N°20180138020

Provided herein are approaches for dynamically modifying plasma volume in an ion source chamber by positioning an end plate and radio frequency (rf) antenna at a selected axial location. In one approach, an ion source includes a plasma chamber having a longitudinal axis extending between a first end wall and a second end wall, and an rf antenna adjacent a ...
System, device and methods for localization and orientation of a radio frequency antenna array
Vayyar Imaging Ltd
May 10, 2018 - N°20180128915

The methods and device disclosed herein provide an array such as a radio frequency (fr) antenna array for measuring the array movement or displacement of the array relative to a reference location. In some cases the array may be attached to or in communication with the device.
Systems and techniques for radome-antenna configuration
Raytheon Company
May 03, 2018 - N°20180123229

A radome structure of an antenna system is provided having a plurality of switchable antenna elements disposed around a perimeter of the radome structure that can simultaneously track multiple targets and be implemented in a variety of different applications. Each of the switchable antenna elements can be individually switched between different radiation patterns to support different applications.
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Large area energetic ion source
Intevac, Inc.
April 05, 2018 - N°20180096823

An rf antenna system for a plasma chamber comprises an rf input coupling a trunk to an ro power supply; two main branches electrically connected to the main trunk, each of the two main branches coupled to a plurality of rod antennas; a plurality of tuning devices, each provided between one of the rod antennas and the corresponding main branch.. .
Radio-frequency energy transfers or harvesting based on combining direct current signals from multiple antennas
Nvologic Inc
March 22, 2018 - N°20180083371

A radio-frequency power receiving device has rf antennas connected to multiple controllable rectifying circuits to produce corresponding dc signals which are combined in a controllable switching network to produce a combined dc output. A control unit determines an amplitude control signal that controls each rectifying circuit and also determines switch control signals that control a switching network.
Rf antenna sector monitoring device and method
Waterford Consultants Llc
March 22, 2018 - N°20180080966

System and method for monitoring fcc compliance of a sector having at least one antenna, the sector being at least partially surrounded by a barrier comprising a plurality of barrier elements. The system includes a probe unit, mounted behind the at least one antenna, comprising an rf probe to measure rf emissions and at least one of: a receiver to ...
Microwave powered sensor assembly for microwave ovens
Danmarks Tekniske Universitet
March 15, 2018 - N°20180077762

The present invention relates to a microwave powered sensor assembly for microwave ovens. The microwave powered sensor assembly includes a microwave antenna to generate an rf antenna signal in response to microwave radiation at a predetermined excitation frequency.
Antenna array beamforming in a remote unit(s) in a wireless distribution system (wds)
Corning Optical Communications Wireless Ltd
March 15, 2018 - N°20180076869

Embodiments of the disclosure relate to antenna array beamforming in a remote unit(s) in a wireless distribution system (wds). In this regard, a remote unit in a wds includes an antenna array having a plurality of radio frequency (rf) antennas.
Downhole tool and electronics packaging configuration therefor
Schlumberger Technology Corporation
March 15, 2018 - N°20180073354

A tool for use in a borehole in a geological formation may include a chassis, a drill collar surrounding the chassis, a port plug coupled between the drill collar and the chassis, rf antennas carried by the drill collar, and a multi-chip module (mcm) electronics package(s). The electronics package(s) may include a hermetically sealed electronics housing positioned between ...
Switched antenna assembly
Apple Inc.
March 08, 2018 - N°20180069308

A consumer electronic product includes a switchable inductor array coupled to the rf antenna, the switchable inductor array comprising inductive elements and a switch circuit coupled to the inductor array to select at least one of the inductive elements and couple the selected inductive element with the rf antenna. The product can further include an assembly having a mesh that ...
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Resource allocation techniques for device-to-device (d2d) communications
Intel Corporation
February 01, 2018 - N°20180035410

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, ...
Blacklisting techniques for detected set event evaluation
Intel Corporation
February 01, 2018 - N°20180035368

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 ...
Magnetic resonance examination system with a moveable patient carrier
Koninklijke Philips N.v.
February 01, 2018 - N°20180031649

A magnetic resonance examination system in which the patient carrier is mounted moveably in a direction transverse to the support surface and an rf antenna having a fixed geometrical relation to the support surface.. .
Integrated cell site sector
Commscope Technologies Llc
January 25, 2018 - N°20180026327

A cell site sector includes: a mounting frame; an rf antenna mounted to one side of the mounting frame; and at least one (rru mounted to a second, opposed side of the mounting frame md operationally connected with the antenna. The rru and the rf antenna have horizontal width and depth dimensions, the width dimension art g greater than the ...
Planar flexible rf tag and charging device
Isolynx, Llc
January 18, 2018 - N°20180019513

A planar flexible ultra-wideband (uwb) rf antenna includes a flexible non-electrically-conductive substrate and at least one antenna patch having electrically conductive metal positioned on one side of the flexible non-electrically-conductive substrate and having geometry defining a wirelessly transmitted uwb signal. The antenna may electrically couple with an rf transmitter circuit formed on a second side of the flexible substrate and ...
Duplicated wireless transceivers associated with a vehicle to receive and send sensitive information
Nextev Usa, Inc.
January 11, 2018 - N°20180013211

A vehicle is provided that comprises two or more radio frequency (rf) antennas and two or more rf transceivers to communicate wirelessly sensitive information associated with a user of the vehicle (the two or more rf antennas being at different physical locations on an exterior of the vehicle). The vehicle determines which one of the two or more rf antennas ...
Touch pad circuit board having radio frequency antenna and capacitive touch pad and access control ...
Sensormatic Electronics, Llc
January 11, 2018 - N°20180012430

An access control reader device integrates a touch pad in proximity to a radio frequency identification (rfid) antenna. A touch pad circuit board includes the rf antenna having a physical aperture and the capacitive touch pad positioned at least partially within the physical aperture of the rf antenna.
Vehicle with a soft-touch antenna for communicating sensitive information
Nextev Usa, Inc.
January 11, 2018 - N°20180012048

A vehicle includes two or more soft touch radio frequency (rf) antennas and two or more rf transceivers to communicate sensitive information associated with a user of the vehicle. A processor in communication with the two or more rf transceivers selects a first rf transceiver associated with the deployed rf antenna to send the sensitive information and sends the sensitive ...
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