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Center Frequency patents

      

This page is updated frequently with new Center Frequency-related patent applications.




 Communication method patent thumbnailCommunication method
A solution for operating a radio communication apparatus communicating with at least one other apparatus is provided. In communication, a frequency block of a set of frequency blocks having a given center frequency is utilized.
Kyynel Oy


 High isolation power combiner/splitter and coupler patent thumbnailHigh isolation power combiner/splitter and coupler
A power combiner has at least two uncommon ports and at least one common port. Isolation between the uncommon ports over a broad band is achieved through a lossy band response circuit having a phase and amplitude response effective to compensate for changes in phase and amplitude between the uncommon ports with change in frequency of an input signal.

 Tunable filter patent thumbnailTunable filter
A tunable filter for dynamically setting a filter center frequency includes a movable member, an upper casing, a lower casing, conductive gaskets, a cavity and a driving unit. The movable member includes a board and lugs.
Universal Microwave Technology, Inc.


 Re-channelization of sub-carriers patent thumbnailRe-channelization of sub-carriers
Certain aspects of the present disclosure provide a method for wireless communications. The method comprises generating a frame comprising a first portion and a second portion.
Qualcomm Incorporated


 Filter capable of adjusting frequency and bandwidth patent thumbnailFilter capable of adjusting frequency and bandwidth
A filter capable of adjusting frequency and bandwidth for dynamically setting at least one of the filter center frequency and bandwidth includes a first movable member, a second movable member, an upper casing, a lower casing, multiple conductive clamping members, a cavity and a driving module. The first and second movable members have multiple first and second lugs formed on the first and second boards respectively.
Universal Microwave Technology, Inc.


 Transmitter, receiving device, and frequency offset correction method patent thumbnailTransmitter, receiving device, and frequency offset correction method
According to a transmitter, a receiving device, and a frequency offset correction method that are provided in embodiments of the present invention, after a power parameter of a pilot in an ofdm signal received by a receiving device is detected, a frequency offset value used to indicate a degree and a direction that are of a difference that is between a center frequency of a filter and a center frequency of a laser and that deviates from a first threshold is determined according to the power parameter of the pilot, and then the receiving device corrects the difference between the center frequency of the laser and the center frequency of the filter according to the determined frequency offset value, thereby implementing frequency offset correction of an ofdm system.. .
Huawei Technologies Co., Ltd.


 Frequency compensation techniques and systems patent thumbnailFrequency compensation techniques and systems
Techniques for compensating for frequency offset of a frequency used in a translation of a signal from a first band to a second band may include using a frequency reference signal located in a different band from an information-bearing signal, where the different band may be a guard band. The frequency reference signal may be offset from a particular frequency, which may be a center frequency, of the information-bearing signal by a known amount.
Higher Ground Llc


 Transmission device and  measuring optical transmission characteristics patent thumbnailTransmission device and measuring optical transmission characteristics
A transmitter generates a frequency-modulated cw light so as to transmit it to a path. A receiver receives the cw light that has passed through passband filters included in the path.
Fujitsu Limited


 Frequency compensation techniques and systems patent thumbnailFrequency compensation techniques and systems
Techniques for compensating for frequency offset of a frequency used in a translation of a signal from a first band to a second band may include using a frequency reference signal located in a different band from an information-bearing signal, where the different band may be a guard band. The frequency reference signal may be offset from a particular frequency, which may be a center frequency, of the information-bearing signal by a known amount.
Higher Ground Llc


 Programmable  synthesized filter notch patent thumbnailProgrammable synthesized filter notch
Generally discussed herein are systems, apparatuses, and methods for generating a replica of a first signal with a notch at one or more desired frequencies. In an example, an apparatus can include a pulse cataloger configured to analyze the first signal and to provide phase modulation information about the first signal, a direct digital synthesizer having an output and configured to modulate a second signal using the phase modulation information and to provide the second signal at the output.
Raytheon Company


Phase shifted resonator

Methods and apparatus, including computer program products, are provided for a tunable filter. In some example embodiments, there may be provided an apparatus.
Nokia Technologies Oy

Extracting carrier signals from modulated signals

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.
Tm Ip Holdings, Llc

Wave separator

A wave separator includes an n number (n being a natural number of 3 or larger) of band pass filters having an n number or larger of mutually different pass bands, and a common terminal. For a first of the band pass filters that is one of a band pass filter having a center frequency of a pass band at a lowest side and a band pass filter having a center frequency of a pass band at a highest side and that has a larger or equal difference in a center frequency of a pass band from an adjacent band pass filter as compared with the other band pass filter satisfies a predetermined configuration for a second band pass filter having a pass band adjacent to the first band pass filter..
Murata Manufacturing Co., Ltd.

Data communication using bandwidth modulation

Methods and apparatus to determine a level of inherent jitter for signals from a transmitter and a receiver, and modulate information onto a signal transmitted by the transmitter by using spot jitter (with bandwidth and center frequency modulation) and/or pulse width jitter in a region outside of a data region with inherent jitter to carry communication between systems.. .
Raytheon Company

Methods and data communication using bandwidth modulation

Methods and apparatus to determine a level of inherent jitter for signals from a transmitter and a receiver, and modulate information onto a signal transmitted by the transmitter by using spot jitter (with bandwidth and center frequency modulation) and/or pulse width jitter in a region outside of a data region with inherent jitter to carry communication between systems.. .
Raytheon Company

System and a determining an image rejection characteristic of a receiver within a transceiver

A method for determining an image rejection characteristic of a receiver within a transceiver is provided. The transceiver uses a common local oscillator.
Intel Ip Corporation

Incontinence detection apparatus having displacement alert

One embodiment of a method of interrogating a sensor to detect the presence of moisture on an occupant support comprises the steps of a) providing a moisture responsive sensor in a surveillance zone of the occupant support, the sensor being tuned to a center frequency; b) exciting the sensor with an electromagnetic signal having a frequency approximately equal to the center frequency; c) monitoring for a center frequency response from the sensor; d) comparing the center frequency response to an expected center frequency response; and e) if the center frequency response compares favorably to an expected center frequency response, issuing a first output consistent with the favorable comparison.. .
Hill-rom Services, Inc.

Sampling/quantization converters

Provided are, among other things, systems, apparatuses, methods and techniques for converting a continuous-time, continuously variable signal into a sampled and quantized signal. One such apparatus includes an input line for accepting an input signal that is continuous in time and continuously variable, multiple processing branches coupled to the input line, and an adder coupled to outputs of the processing branches, with each of the processing branches including a bandpass noise-shaping circuit, a sampling/quantization circuit coupled to an output of the bandpass noise-shaping circuit, a digital bandpass filter coupled to an output of the sampling/quantization circuit, and a line coupling an output of the sampling/quantization converter circuit back into the bandpass noise-shaping circuit.
Syntropy Systems, Llc

System and automatic filter tuning

Various methods and devices that involve tuning filters are disclosed. A disclosed method for tuning a filter comprises trimming a center frequency of the filter.
Clover Network, Inc.

Glass antenna for vehicle and rear window glass with glass antenna for vehicle

There is provided a glass antenna for a vehicle including a feeding point; and a first antenna element extending from the feeding point approximately in a horizontal direction, wherein, if a wavelength at a center frequency of a received frequency band in air is λ, a glass wavelength shortening coefficient is k, and a wavelength on the rear window glass is λg=λ·k, a conductor length of the first antenna element is less than or equal to (⅙)·λg, and wherein a distance between the first antenna element and a first heater line that is disposed at an outer-most position and that is closest to the first antenna element among a plurality of heater lines is less than or equal to ( 1/40)·λg.. .
Asahi Glass Company, Limited

Method and detecting a gas pocket using ultrasound

Existing gas pocket detection approaches are based on visual observations of b-mode ultrasound images showing comparisons between normal soft tissue and gas pockets, which are time-consuming and dependent on operator experience. The present invention proposes an ultrasound system and a method of detecting a gas pocket.
Koninklijke Philips N.v.

Ultrasonic test ultrasonic testing

An ultrasonic test apparatus including a test head for emitting an emission frequency spectrum having an emission center frequency and receiving a reception frequency spectrum having a reception center frequency, a unit being provided in which a fourier transform on the received reception frequency spectrum can be carried out, and the reception center frequency of the fourier-transformed reception frequency spectrum being subsequently determined, and subsequently a defined add-on amplification being applied to the reception frequency spectrum. Also, a method for ultrasonic testing is disclosed..
Siemens Aktiengesellschaft

Integrated circuit, base station, terminal, band allocation method, and downlink data communication method

A base station, a terminal, a band allocation method, and a downlink data communication method are disclosed, with which bands can be efficiently allocated. In a base station in which a plurality of unit bands can be allocated to a single communication, when a data receiver acquires terminal capability information transmitted by a terminal in the initial access unit band and the bandwidth available for communication indicated by the terminal capability information can accommodate a plurality of unit bands, a unit band group which includes the initial access unit band as well as the unit bands adjacent thereto is allocated to the terminal, and a communication band movement indication, which indicates the movement of the center frequency in the communication band of the terminal toward the center frequency in the unit band group, is transmitted to the terminal using the initial access unit band..
Sun Patent Trust

One quarter wavelength transmission line based electrostatic discharge (esd) protection for integrated circuits

Device and a method of forming an integrated circuit (ic) that offers protection against esd in re applications is disclosed. The device includes a transmission line (tl) coupled to a signal pad.
Globalfoundries Singapore Pte. Ltd.

Tunable filter devices and methods

Analog interference filter devices and methods for isolation of desirable portions of a radio frequency signal. Signal compensation is used to provide desirable center frequency, passband width, ripple, rolloff, stopband and distortion performance.
Physical Devices, Llc

Method for detecting synchronization signal for device-to-device (d2d) communication in wireless communication system and apapratus therefor

The present invention relates to a method in which a user equipment transmits and receives a synchronization signal of the user equipment for device-to-device (d2d) communication in a wireless communication system. Specifically, the method comprises a step of monitoring the synchronization signal for the d2d communication (d2dss), wherein the d2dss is assigned in an interval of a multiple raster unit from a center frequency..
Lg Electronics Inc.

Multipath feedforward band pass amplifier

An exemplary multipath feedforward amplifier includes a plurality of amplification stages configured to form at least partially distinct amplification paths extending from an input terminal to an output terminal, each amplification path defined by a respective subset of the plurality of amplification stages, wherein at least one amplification stage is a band pass resonator. In various implementations, multipath feedforward amplifier can maximize gain at a frequency of interest by having an amplification path that cascades band pass resonators.
Analog Devices, Inc.

Method for performing a cooperative operation between heterogeneous networks and device for same

The present invention relates to a method for performing a cooperative operation between heterogeneous networks and a device for same. A method for a first type base station to perform a cooperative operation between heterogeneous networks in a wireless communication system includes receiving a downlink synchronization channel from at least one second type base station; obtaining an identifier (id) of the second type base station by using the received downlink synchronization channel; and transmitting at least one of a channel number and a bandwidth of a center frequency of the first type base station and the cell id of the second type base station to a server.
Lg Electronics Inc.

Mixed resonator monolithic band-pass filter with enhanced rejection

A narrowband filter tuned at a center frequency. The filter comprises an input terminal, an output terminal, and a plurality of resonators coupled in cascade between the input terminal and the output terminal.
Resonant Inc.

Bandstop filters with minimum through-line length

Systems and methods are provided for creating higher order microwave bandstop filters with total through-line length of significantly less than one-quarter wavelength at the filter center frequency. The mixed electric and magnetic field coupling bandstop filter topologies provided by embodiments of the present disclosure can be used to reduce the size, weight, and throughline insertion loss of microwave bandstop filters.
The Government Of The United States Of America, As Represented By The Secretary Of The Navy

Method and hearing aid for frequency-dependent reduction of noise in an input signal

A method performs frequency-dependent reduction of noise in an input signal, wherein the input signal is allocated to a main signal path and to an auxiliary signal path. A filter bank separates the input signal into a plurality of frequency bands each having a certain bandwidth and center frequency.
Sivantos Pte. Ltd.

Communications carrier search

A communications device and method for a carrier search are provided. The communication apparatus includes an rf signal processing device, a processor, and a memory device.
Mediatek Inc.

Methods, devices and systems for receiving and decoding a signal in the presence of noise using slices and warping

A method may comprise receiving and sampling a signal. The signal may encode a data packet.
Proteus Digital Health, Inc.

Method and preventing transmitter leakage

Method and transceiver arrangements for reducing a leakage signal's impact on a receiver part 320 of the transceiver arrangement 300. The leakage signal originates from a transmitter part 310 of the transceiver arrangement 300.
Telefonaktiebolaget L M Ericsson (publ)

Resonance detection and filtering circuitry

A circuit and method to filter a signal is provided. The circuit includes a notch filter circuit to receive an input signal and first and second tuning signals and to provide an output signal.
Analog Devices Global

Two-stage digital down-conversion of rf pulses

A two-stage digital down-conversion device for optimal detection of varying rf pulses incorporates a front end analog to digital converter (adc), which samples an input rf signal and performs a first stage digital down conversion in wide bandwidth by means of two digital local oscillator multipliers, low pass filters and decimators. A stream of first stage quadrature i and q samples is analyzed by a first stage i/q processor.
Guzik Technical Enterprises

Power amplifier for amplification of an input signal into an output signal

A power amplifier comprising a first, second and third sub-amplifier for amplification of an input signal into an output signal is disclosed. The sub-amplifiers are connected to an input network and an output network.
Telefonaktiebolaget Lm Ericsson (publ)

High efficiency transmitter architectures for a localized single-carrier frequency division multiple access transceiver

This disclosure relates to a system and method for generating single-carrier frequency division multiple access (sc-fdma) transmissions using a high efficiency architecture. According to some embodiments, frequency resources allocated for a transmission may be determined.
Apple Inc.

Method & synthesis of wideband low phase noise radio frequency signals

An apparatus for synthesizing wideband radio frequency signals in the microwave region has mostly digital components. The apparatus processes and converts a signal from a stable single-frequency electrical oscillator into a lower or higher frequency electrical signal without using analog multiplier or mixer circuits.
Star Dynamics Corporation

High-frequency semiconductor amplifier

According to one embodiment, a high-frequency semiconductor amplifier includes an input terminal, an input matching circuit, a high-frequency semiconductor amplifying element, an output matching circuit and an output terminal. The input terminal is inputted with a fundamental signal.
Kabushiki Kaisha Toshiba

High-frequency semiconductor amplifier

According to one embodiment, a high-frequency semiconductor amplifier includes an input terminal, an input matching circuit, a high-frequency semiconductor amplifying element, an output matching circuit and an output terminal. The input terminal is inputted with a fundamental signal.
Kabushiki Kaisha Toshiba

High-frequency semiconductor amplifier

According to one embodiment, a high-frequency semiconductor amplifier includes an input terminal, an input matching circuit, a high-frequency semiconductor amplifying element, an output matching circuit and an output terminal. The input terminal is inputted with a fundamental signal.
Kabushiki Kaisha Toshiba

Communication control method, user terminal, and communication apparatus

A communication method comprises: broadcasting, from a communication apparatus to a user terminal, system information for device to device (d2d) proximity service, by use of a frequency of a serving cell of the user terminal, the communication apparatus managing the serving cell. The system information includes first information and second information.
Kyocera Corporation

Frequency-division multiplexing (fdm) using soft clipping (sc)

A method comprising mapping data onto odd frequency subcarriers of a plurality of non-overlapping frequency subcarriers, wherein each of the non-overlapping frequency subcarriers comprises a center frequency that is an odd integer multiple of a lowest center frequency, producing a time signal based on the mapping, applying soft clipping (sc) to signal amplitudes of the time signal according to a polynomial function, and producing a positive-amplitude signal based on the applying.. .
Futurewei Technologies, Inc.

Wireless surveillance system having obviated the need for battery replacement and controlling wireless device

Disclosed is a wireless surveillance system comprising a probe (200) and a control center, obviating the need for battery replacement, and completely powered by solar energy. During disarmed periods, the probe (200) ceases to probe the external thereof, and ceases to transmit data to the control center.

Transmit end, receive end, and coexistence of single carrier system and multicarrier system

The signal transmitting method includes that a transmit end modulates a first frequency band that corresponds to a first signal to be transmitted by the single carrier system onto a second frequency band that corresponds to a second signal to be transmitted by the multicarrier system, to obtain a transmit signal including at least the first signal and/or the second signal. A spacing between a center frequency of a first subchannel and a center frequency of a second subchannel is an integer multiple of a spacing between two adjacent second subchannels.
Huawei Technologies Co., Ltd.

User terminal, radio access network, and communication control method

A user terminal according to a first feature performs uplink communication with a radio access network by simultaneously using a plurality of carriers. The plurality of carriers include a first carrier used for mobility control of the user terminal, and a second carrier that provides radio communication in coordination with the first carrier.

Radar false alert reduction

A radar detector suppresses alerts from vehicle guidance systems, by sweeping for a consistent radar signal; the center frequency of the signal is stored and the detector suppresses warnings of radar signals near that frequency. The detector uses an enhanced method for suppression of signals near a known location of a false signal source; in the event the detector detects a radar signal and finds a matching stored false signal, the detector will first compare the strength of the received signal to a threshold strength that is computed based upon the distance of the detector from the stored false signal, and will only suppress signals below threshold.

Ultrasonic diagnostic apparatus and image processing apparatus

An ultrasonic diagnostic apparatus according to an embodiment includes transmission circuitry, receiving circuitry and extracting circuitry. The transmission circuitry cause an ultrasonic probe to perform three or more times of ultrasonic wave transmissions, an ultrasonic wave to be transmitted including a center frequency component, a phase of the center frequency component being different in each transmission.
Toshiba Medical Systems Corporation

Methods and systems for dynamically adjusting frequency offsets for mitigating interference

Disclosed herein are methods and systems for dynamically adjusting frequency offsets for mitigating interference. One embodiment takes the form of a process carried out by a mobile radio configured to use an adjustable transmit frequency.
Motorola Solutions, Inc

Method and apparatus of an input resistance of a passive mixer to broaden the input matching bandwidth of a common source/gate lna

A cascode amplifier circuit comprises a first spiral inductor coupled to a source of a first transistor; a second spiral inductor coupled to a drain of a second transistor; a third inductor connecting the first transistor to the second transistor; a first capacitor coupled in parallel to the third inductor forming a bandpass filter; and a second capacitor coupled in parallel to the second spiral inductor forming a resonant circuit, wherein the resonant circuit oscillates at a center frequency.. .
Tensorcom, Inc.



Center Frequency topics:
  • Center Frequency
  • Frequency Band
  • Magnetic Field
  • Electrostatic Discharge
  • Amplifier Device
  • Data Packet
  • Processing Device
  • Signal Processing
  • Reproduction
  • Computer Program
  • Communication System
  • Modulation
  • Channel Op
  • Extensions
  • Transducer


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    This listing is a sample listing of patent applications related to Center Frequency for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Center Frequency with additional patents listed. Browse our RSS directory or Search for other possible listings.


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