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Rf Communication

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


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Apparatus and methods for phase synchronization of phase-locked loops
Analog Devices, Inc.
November 09, 2017 - N°20170324419

Apparatus and methods for phase synchronization of phase-locked loops (plls) are provided. In certain configurations, an rf communication system includes a pll that generates one or more output clock signals and a phase synchronization circuit that synchronizes a phase of the pll. The phase synchronization circuit includes a sampling circuit that generates samples by sampling the one or more output ...
System and method for test and/or calibration of multi-channel rf communication devices
Analog Devices, Inc.
November 02, 2017 - N°20170318623

A test system includes: a signal processor configured to generate a plurality of orthogonal baseband sequences; a signal generator configured to supply the plurality of orthogonal baseband sequences to a corresponding plurality of rf transmitters of a device under test (dut), wherein the rf transmitters each employ the corresponding orthogonal baseband sequence to generate a corresponding rf signal on a ...
Apparatus and methods for wideband receivers
Analog Devices, Inc.
October 26, 2017 - N°20170310520

Provided herein are apparatus and methods for wideband receivers. In certain configurations, a radio frequency (rf) communication system includes two or more receiver slices that operate in parallel with one another to process an rf input signal. The receiver slices generate digital signals by processing different sub-bands of the rf input signal. For example, the rf communication system can include ...
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Ultra-low-power rf receiver frontend with tunable matching networks
Lutron Electronics Co., Inc.
October 19, 2017 - N°20170302316

A tunable matching circuit for use with ultra-low power rf receivers is described to support a variety of rf communication bands. A switched-capacitor array and a switched-resistor array are used to adjust the input impedance presented by the operating characteristics of transistors in an ultra-low-power mode. An rf sensor may be used to monitor performance of the tunable matching circuit ...
Battery module with integrated rf communication and cell sensing board
Lutron Electronics Co., Inc.
October 19, 2017 - N°20170301961

A battery module for use with a controller includes a printed circuit board assembly (pcba) mounted to a plurality of battery cells. The pcba includes a substrate, a radio frequency (rf) communications circuit, a cell sensing circuit, and a conductive interconnecting member. The cell sensing circuit is operable for measuring a respective cell voltage of each of the battery cells. ...
Durable card
Lutron Electronics Co., Inc.
October 19, 2017 - N°20170300790

Cards embodying the invention include a core subassembly whose elements define the functionality of the card and a hard coat subassembly attached to the top and/or bottom sides of the core subassembly to protect the core subassembly from wear and tear and being scratched. The core subassembly may be formed solely of plastic layers or of different combinations of ...
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Pure wireless earphones using optimal monopole antennae
Fujikon Industrial Co.,ltd
October 12, 2017 - N°20170295420

The present invention relates to a pair of pure wireless earphones using optimal monopole antennae in the technical field of communications, comprising in-ear type earphone housings and rf signal generation devices disposed in the in-ear type earphone housings, wherein positioning stages matched with the shape of auricular concha cavities are at the tops of bottom housings; each rf signal generation ...
System and method for communication with a mobile device via a positioning system including rf ...
Abl Ip Holding Llc
October 12, 2017 - N°20170294964

A light source emits a modulated light, and a radio-frequency transceiver disposed therewith emits a radio-frequency signal. A mobile device may receive either or both signals and determine its position based thereon. The light and radio-frequency sources may be disposed in node in a network of said sources, and the nodes may communicate via the radio-frequency transceivers.
System and method for communication with a mobile device via a positioning system including rf ...
Abl Ip Holding Llc
October 05, 2017 - N°20170288774

A light source emits a modulated light, and a radio-frequency transceiver disposed therewith emits a radio-frequency signal. A mobile device may receive either or both signals and determine its position based thereon. The light and radio-frequency sources may be disposed in node in a network of said sources, and the nodes may communicate via the radio-frequency transceivers.
Tunable radio frequency systems using piezoelectric package-integrated switching devices
Intel Corporation
October 05, 2017 - N°20170288724

Embodiments of the invention include a tunable radio frequency (rf) communication module that includes a transmitting component having at least one tunable component and a receiving component having at least one tunable component. The tunable rf communication module includes at least one piezoelectric switching device coupled to at least one of the transmitting and receiving components. The at least one ...
Reducing out-of-channel noise in a wireless distribution system (wds)
Corning Optical Communications Wireless Ltd
October 05, 2017 - N°20170288716

Embodiments of the disclosure relate to reducing out-of-channel noise in a wireless distribution system (wds). A digital filter in a remote unit is configured to suppress out-of-channel noise in a downlink digital communications signal based on at least one filter configuration parameter received from a control circuit. The control circuit is configured to determine the filter configuration parameter based on ...
Vehicle and controlling method for the same
Hyundai Motor Company
October 05, 2017 - N°20170285634

A vehicle includes: a communication unit performing low frequency (lf) communication and radio frequency (rf) communication with a fob key and performing short-range communication with a portable device; and a controller estimating a position of a user having the fob key using the lf and rf communication with the fob key and controlling a connection between the portable device and ...
Improved network searching
Telefonaktiebolaget Lm Ericsson (publ)
September 28, 2017 - N°20170280379

A mobile rf communication device configured for dual sim operation and configured to send a request for search data relevant to the second sim module to a server, said request including an identifier for a first cell associated with the first operator; receive a response from said server, said response including a correlation for said first cell and search data ...
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System architecture for medical implant
Qualcomm Incorporated
September 14, 2017 - N°20170259072

Aspects of the subject matter described in this disclosure can be implemented in an implant device capable of being configured by an external hospital interrogator device when the external hospital interrogator device is authenticated, and capable of communicating data regarding a patient when paired with an external home interrogator device. The implant device includes rf communications circuitry, one or more ...
Slot antenna with radiator element
Microsoft Technology Licensing, Llc
August 31, 2017 - N°20170250475

An antenna assembly includes a conductive plate having a slot formed within the conductive plate. A conductive coupling element is positioned within the slot of the conductive plate to form a slot antenna structure with the conductive plate. At least one conductive radiator element is positioned outside of the slot. An antenna feed structure is electrically coupled to the conductive ...
Driving assistance system of motor vehicles
B-lab S.r.l.
August 31, 2017 - N°20170249845

The driving assistance system of motor vehicles comprises a driving assistance device of a motor vehicle having at least a detection device for detecting the presence of possible obstacles on the outside of the motor vehicle, first activation/deactivation means operatively connected to the detection means and adapted to the activation/deactivation of the detection means, a first rf communication ...
Analog distributed antenna systems (dass) supporting distribution of digital communications signals interfaced from a digital ...
Corning Optical Communications Wireless Ltd
August 17, 2017 - N°20170237493

Embodiments disclosed in the detailed description include analog distributed antenna system (das) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (rf) communications signals. Analog rf communications signals received from analog rf signal sources are distributed in the analog das without being digitized. The analog das is also configured to interface with digital ...
Weakly coupled tunable rf receiver architecture
Qorvo Us, Inc.
August 17, 2017 - N°20170237404

Rf communications circuitry, which includes a first tunable rf filter and a first rf low noise amplifier (lna) is disclosed. The first tunable rf filter includes a pair of weakly coupled resonators, and receives and filters a first upstream rf signal to provide a first filtered rf signal. The first rf lna is coupled to the first tunable rf filter, ...
Remote units for distributed communication systems and related installation methods and apparatuses
Corning Optical Communications Wireless Ltd
July 27, 2017 - N°20170214111

Remote units are mounted in a support structure so that cooling air flow is not impeded by the support structure. The remote units may have rf communications circuitry and other components that generate heat in the provision of wireless services.
Distributing digital communications signals in analog distributed antenna systems (dass) using programmable head-end units
Corning Optical Communications Wireless Ltd
July 20, 2017 - N°20170208622

Embodiments of the disclosure relate to distributing digital communications signals in analog distributed antenna systems (dass) using programmable head-end units. In one aspect, a programmable head-end unit is configured to convert downlink digital communications signals to downlink analog radio frequency (rf) communications signals for distribution to remote unit groups in the analog das. Further, the programmable head-end unit is configured ...
Blocker detection based automatic gain control
Analog Devices Global
July 20, 2017 - N°20170207801

Modular gain control based on blocker signal detection is disclosed herein. In a multi-stage gain control scheme for a receiver, the input stage gain or the pre-mixing stage gain can be controlled for effective blocker rejection based on detecting a blocker signal at a mixer, and the output stage gain or the post-mixing stage gain can be controlled to restore ...
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