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Center Frequency

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


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Mechanisms for compensating for drivetrain failure in powered surgical instruments
Ethicon Endo-surgery, Llc
August 17, 2017 - N°20170231628

A surgical instrument couplable to an end effector, wherein the surgical instrument includes at least one drive mechanism operable to effect at least one motion in the end effector. The surgical instrument further includes one or more vibration sensors configured to record vibrations generated by the at least one drive mechanism, wherein the one or more vibration sensors are configured ...
Extracting carrier signals from modulated signals
Tm Ip Holdings, Llc
July 27, 2017 - N°20170214560

Methods, systems, and apparatus for detecting a center frequency of an input signal, the input signal including a carrier signal modulated with a modulation signal. Detecting a frequency of a second signal. Determining a difference signal between the center frequency of the input signal and the frequency of the second signal. Modifying the frequency of the second signal based on ...
Improving overall network performance and/or overall quality of service of user equipments in a ...
Deutsche Telekom Ag
July 13, 2017 - N°20170201912

A method for improving overall network performance and/or overall quality of service of user equipments in a mobile communication network includes in a first step, a base station entity, prior to executing a requested handover procedure, requests a user equipment to decode a cell global identifier of the target radio cell; in a second step, subsequent to the first ...
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Multi-band concurrent multi-channel receiver
Texas Instruments Incorporated
July 06, 2017 - N°20170195961

A system of multiple concurrent receivers is described to process multiple narrow bandwidth wireless signals with arbitrary bandwidth and center frequency separation. These multiple receivers may provide a downconverted signal at the baseband frequency to process signal bandwidth using the lowest power consumption while using fully modular signal processing blocks operating at the low frequency. The concurrent receivers may operate ...
Multiple network allocation vector operation
Newracom, Inc.
June 29, 2017 - N°20170188376

A first wireless device may determine a bandwidth for transmitting a frame, calculate two or more spatial reuse (sr) parameter values for the bandwidth, set, using the sr parameter values, first and second sr fields of the frame based on the bandwidth and a channel center frequency in which the bandwidth is carried, and transmit the frame to a second ...
Near field transmitters for wireless power charging
Energous Corporation
June 29, 2017 - N°20170187228

Disclosed is a system including rf circuitry configured to generate an rf signal; a plurality of unit cells configured to receive the rf signal and to cause an rf energy signal having a center frequency to be present within the unit cells; and receiver circuitry configured to charge an electronic device in response to an antenna of the electronic device ...
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Center Frequency Patent Applications
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Near field transmitters for wireless power charging
Energous Corporation
June 29, 2017 - N°20170187226

Disclosed is a system including rf circuitry configured to generate an rf signal; a plurality of unit cells configured to receive the rf signal and to cause an rf energy signal having a center frequency to be present within the unit cells; and receiver circuitry configured to charge an electronic device in response to an antenna of the electronic device ...
Near field transmitters for wireless power charging
Energous Corporation
June 29, 2017 - N°20170187225

Disclosed is a system including rf circuitry configured to generate an rf signal; a plurality of unit cells configured to receive the rf signal and to cause an rf energy signal having a center frequency to be present within the unit cells; and receiver circuitry configured to charge an electronic device in response to an antenna of the electronic device ...
Near field transmitters for wireless power charging
Energous Corporation
June 29, 2017 - N°20170187224

Disclosed is a system including rf circuitry configured to generate an rf signal; a plurality of unit cells configured to receive the rf signal and to cause an rf energy signal having a center frequency to be present within the unit cells; and receiver circuitry configured to charge an electronic device in response to an antenna of the electronic device ...
Near field transmitters for wireless power charging
Energous Corporation
June 29, 2017 - N°20170187223

Disclosed is a system including rf circuitry configured to generate an rf signal; a plurality of unit cells configured to receive the rf signal and to cause an rf energy signal having a center frequency to be present within the unit cells; and receiver circuitry configured to charge an electronic device in response to an antenna of the electronic device ...
Radio-frequency localization techniques and associated systems, devices, and methods
Humatics Corporation
June 22, 2017 - N°20170181118

A system comprising a first interrogator device that includes: a first antenna configured to transmit, to a target device, a first radio-frequency (rf) signal having a first center frequency; a second antenna configured to receive, from the target device, a second rf signal having a second center frequency that is a harmonic of the first frequency; and first circuitry configured ...
Multi-spectral radio-frequency localization techniques and associated systems, devices and methods
Humatics Corporation
June 22, 2017 - N°20170179602

A device comprising: a receive antenna configured to receive a first radio-frequency (rf) signal having a first center frequency; a first transmit antenna configured to transmit a second rf signal having a second center frequency that is a harmonic of the first center frequency; a second transmit antenna configured to transmit a third rf signal having a third center frequency ...
Chip-scale radio-frequency localization devices and associated systems and methods
Humatics Corporation
June 22, 2017 - N°20170179571

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (rf) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive rf signals at least at a second center frequency different than the first center frequency; and ...
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Center Frequency Patent Applications
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Vht operation information subfield design in wlan
Mediatek Inc.
June 15, 2017 - N°20170171796

A method of very high throughput (vht) operation information subfields design for ieee 802. 11 wlan is proposed. The vht operation information subfields comprise a channel width, a channel center frequency segment 0 (ccfs0), and a channel center frequency segment 1 (ccfs1). Multiple definitions of the vht operation information subfields have been adopted by different access points (ap)s and wireless stations (stas). In ...
Flat-top tunable filter
Lumentum Operations Llc
June 15, 2017 - N°20170168241

A tunable plc optical filter having sequentially connected thermally tunable mach-zehnder (mz) interferometers is described. The cascade of mz interferometers, each having a free spectral ranges matching itu frequency grid spacing, are tuned so as to have a common passband centered on the frequency of the signal being selected, while having at least one of the stopbands centered on any ...
Extremely high frequency (ehf) distributed antenna systems, and related components and methods
Corning Optical Communications Llc
June 08, 2017 - N°20170163341

Extremely high frequency (ehf) distributed antenna systems and related components and methods are disclosed. In one embodiment, a base unit for distributing ehf modulated data signals to a rau(s) is provided. The base unit includes a downlink data source input configured to receive downlink electrical data signal(s) from a data source. The base unit also includes an e-o ...
Allocating transmission resources to mtc-type terminals
Sony Corporation
June 01, 2017 - N°20170156151

An apparatus and method for allocating transmission resources to mtc-type terminals and transmitting data in mobile telecommunication systems in dependence upon the capability of the rf receiver equipment of those terminals. Where a virtual carrier is established to carry data for a given mtc-type device, the position of the center frequency for that virtual carrier is assigned on the basis ...
In-vehicle radar apparatus
Denso Corporation
June 01, 2017 - N°20170153315

An in-vehicle radar apparatus includes an interference determination means, a selection means, and a frequency changing means. The interference determination means determines presence or absence of interference between multifrequency cws, which are radar waves, based on a beat signal generated by mixing a transmission signal and a received signal, which are radar waves. The selection means selects an own vehicle ...
Digitally tunable coaxial resonator reflective band reject (notch) filter
Denso Corporation
May 25, 2017 - N°20170149109

A coaxial tunable band stop filter utilizes tuning elements, such as pin diodes and varactor diodes, for electrically tuning a coaxial resonator to change the resonance frequency of the coaxial resonators. A voltage is applied to the tuning elements to change their capacitance, such that they electrically lengthen and shorten the coaxial resonator. The variable voltages work to change the ...
A filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals
Dynaspot Corp.
May 18, 2017 - N°20170141761

The trans-filter compresses in band awgn, demodulates input signals and has no threshold due to applied noise. Two frequency selective networks with opposite amplitude vs frequency slopes are designed to remain 180 degrees out of phase over the signal band. Output amplitudes are equal at band center and are summed producing a monotonic amplitude vs frequency characteristic going thru zero at ...
Integrated microwave-millimeter wave antenna system with isolation enhancement mechanism
King Fahd University Of Petroleum And Minerals
May 18, 2017 - N°20170141465

The integrated microwave-millimeter wave antenna system with isolation enhancement mechanism is a planar, compact, multi-band microwave multiple-input-multiple-output (mimo) antenna system integrated with a millimeter wave antenna array. The microwave mimo antenna system covers multiple standards between (700-6000) mhz, while the millimeter wave array covers a wider bandwidth of at least 1 ghz with a center frequency ranging from 28-38 ghz. The ...
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