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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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Surgical instrument rfid tag reading apparatus and method, and surgical instrument tracking system
Spa Track Medical Limited
August 10, 2017 - N°20170224438

Surgical instrument rfid tag reading apparatus (10) comprises an interrogation zone (12) for receiving a surgical instrument set (14) comprising: a plurality of surgical instruments, each having a respective rfid tag containing identification information; an rfid tag reader (16); rf antenna (18) arranged to transmit an rf signal (20) and arranged to receive rf return signals from at least some of the rfid tags; guidance apparatus (22) ...
Antenna module accommodation structure
Murata Manufacturing Co., Ltd.
August 03, 2017 - N°20170222312

As such, in the disclosure, a slit is formed in a side plate. The slit has an opening in the upper end surface of the side plate. The opening has a width which is smaller than a thickness of the side plate and enables to correspond to a thickness t of the substrate and a length which enables to correspond ...
Thermal scale radio frequency label
Synq Access + Security Technology Ltd.
July 06, 2017 - N°20170193344

A thermal scale radio frequency label which includes a top layer of thermal paper of 20-60 lb weight with an rf antenna mounted on the thermal paper. The rf antenna includes a single turn inductor coil having a width of not less than 5 mm and not more than 13 mm. The inductor coil has a thickness in the range of 30-60 ...
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Techniques for coordinated application of wireless network selection and traffic routing rules
Intel Ip Corporation
June 22, 2017 - N°20170181070

Techniques for coordinated application of wireless network selection and traffic routing rules are described. In one embodiment, for example, user equipment (ue) may comprise at least on radio frequency (rf) transceiver, at least one rf antenna, and logic at least a portion of which is in hardware, the logic to process a received radio resource control (rrc) message comprising radio ...
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 ...
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Hydrocarbon resource heating system including choke fluid dispensers and related methods
Harris Corporation
April 27, 2017 - N°20170114623

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. The elongate rf antenna may have a proximal end and a distal end separated from ...
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 ...
Booster antenna
Tabletop Media Llc D/b/a Ziosk
March 23, 2017 - N°20170084984

A user terminal comprising: i) a housing; ii) a main radio frequency (rf) antenna disposed within an interior of the housing; and iii) a boost antenna mounted on an exterior of the housing and in close proximity to the main rf antenna. The first antenna segment of the boost antenna is configured to be magnetically coupled to the main rf ...
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 ...
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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 ...
System and method for reconfiguring rf signals in a multi-input receiver
Battelle Memorial Institute
December 15, 2016 - N°20160365884

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. Each connection module includes a connection module input port ...
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 ...
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