|| List of recent Synthesizer-related patents
|Noise suppression device|
Disclosed is a noise suppression device including an input signal analyzer 8 that analyzes the harmonic structure and periodicity of a plurality of input signals on the basis of the power spectra of the plurality of input signals, a power spectrum synthesizer 9 that synthesizes the power spectra of the plurality of input signals to generate a synthesized power spectrum according to the result of the analysis by the input signal analyzer 8, a noise suppression amount calculator 10 that calculates an amount of noise suppression on the basis of the synthesized power spectrum generated by the power spectrum synthesizer 9 and an estimated noise spectrum estimated from the input signals, and a power spectrum suppressor 11 that carries out noise suppression on the synthesized power spectrum generated by the power spectrum synthesizer 9 by using the amount of noise suppression calculated by the noise suppression amount calculator 10.. .
|Non-linear-error correction in fractional-n digital pll frequency synthesizer|
The present disclosure relates to a frequency synthesizer. The frequency synthesizer includes a phase comparator having first and second input nodes.
|Systems and methods for monitoring sensors|
An impedance analyzer is provided. The analyzer includes a signal excitation generator comprising a digital to analog converter, where a transfer function of the digital to analog converter from digital to analog is programmable.
|Automated synthesis of small molecules using chiral, non-racemic boronates|
Provided are methods for making and using chiral, non-racemic protected organoboronic acids, including pinene-derived iminodiacetic acid (pida) boronates, to direct and enable stereoselective synthesis of organic molecules. Also provided are methods for purifying pida boronates from solution.
|Parking camera system and method of driving the same|
The present invention relates to a parking camera system and a method of driving the same, the system including a plurality of cameras equipped with a vehicle, an image synthesizer for synthesizing images photographed by the plurality of cameras, and an estimated travel trajectory generating and overlaying processor for generating an estimated travel trajectory of the vehicle by receiving steering angle information of the vehicle, and synthesizing the estimated travel trajectory of the vehicle with the images synthesized by the image synthesizer.. .
|Direct digital synthesis of quadrature modulated signals|
An apparatus comprises a direct digital synthesizer, a mixer having first and second input ports and an output port, and a numerically-controlled oscillator. The direct digital synthesizer has a first output coupled to the first input port of the mixer and a second output coupled to a control input of the numerically-controlled oscillator, and the numerically-controlled oscillator has an output coupled to the second input port of the mixer.
|Signal level adjusting device and high-frequency apparatus|
To provide, in a frequency synthesizer including: a variable attenuator provided at a subsequent stage of a voltage controlled oscillator; a detector; and a control unit outputting a control voltage for adjusting an attenuation amount of the variable attenuator via a digital/analog converter in accordance with a detection voltage, a technology with which a spurious due to a change in an output of the digital/analog converter can be suppressed. A low-pass filter is provided between an output side of a digital/analog converter and a variable attenuator to cut a frequency component corresponding to an overshoot generated when an output of the digital/analog converter is changed.
|Pipelined bus-splitting digital delta-sigma modulator for fractional-n frequency synthesizer system and method|
The invention provides a digital modulator system for use in a fractional-n frequency synthesizer, said system comprising: a first pipelined modulator configured to receive a digital signal via a bus signal; a second pipelined modulator configured to receive a part of said digital signal; and said system is adapted to split the bus signal by passing least significant bits (lsbs) of said digital signal through the second modulator, combining the output of said second modulator with the most significant bits (msbs) of said digital signal, and adapted to pass the combined signal through said first pipelined modulator. The combination of bus-splitting and pipelining in the modulator system is configured to provide an output signal to maximize the update rate of a multi-modulus divider of said fractional-n frequency synthesizer..
|Systems and methods for combined frequency-modulation continuous-wave and pulse-compression transmission operation|
Systems and methods for allowing dual-mode radar operation. An exemplary transmission system includes a hybrid coupler that receives a signal produced by a synthesizer and couples the received signal to two output ports.
|Method, system and processor-readable media for automatically vocalizing user pre-selected sporting event scores|
A method and system for vocalizing user-selected sporting event scores. A customized spoken score application module can be configured in association with a device.
|Method and apparatus for a synthesizer architecture|
A synthesizer architecture, responsive to a low noise reference signal from a discrete oscillator, provides a continuous periodic output with a period that is a fractional multiple of the low noise reference signal. One exemplary embodiment includes a phase detector providing a control signal to a selected one of a plurality of integrated voltage controlled oscillators (vco), wherein the phase detector is a sub-harmonic continuous time sampling phase detector.
Disclosed is a frequency synthesizer including first and second shift register circuits 3a and 3b each for outputting pll setting data on a rising edge of a load enable signal, first and second fractional modulators 4a and 4b each for generating dividing number control data on the basis of the pll setting data in synchronization with a reference signal, and first and second fractional pll synthesizers 5a and 5b each for generating a high frequency signal according to the pll setting data, the reference signal, and the dividing number control data. By controlling the timing of the load enable signal, the frequency synthesizer carries out phase control between the high frequency signals generated by the first and second fractional pll synthesizers 5a and 5b..
|Systems and methods for improving the time alignment of non-overlapping waveforms|
Systems and methods for improving the timing alignment of non-overlapping waveforms are provided. In this regard, a representative system, among others, includes a waveform synthesizer that generates a plurality of input waveforms and inverters having inputs and outputs, wherein the inverters receive the input waveforms at the inputs of the inverters and invert the input waveforms, producing a plurality of inverted waveforms at the outputs of the inverters.
|Interpolative divider linearity enhancement techniques|
A flexible clock synthesizer technique includes generating a phase interpolator calibration signal to adjust a phase interpolator output signal generated by a phase interpolator of an interpolative divider. The phase interpolator is responsive to a phase interpolator control code and an output signal of a fractional-n divider of the interpolative divider.
|Channel-mapped midi learn mode|
Embodiments of the invention include systems and methods for inferential generation of virtual sequencer controls in a midi sequencer to automate functionality of physical or virtual controls of midi instruments. Midi source data from a song or a live feed is analyzed to determine a sequence of midi control commands from which a set of virtual sequencer controls can be automatically inferred without manual generation or configuration of the virtual control.
|System and method for configuring a cloud computing system with a synthetic test workload|
The present disclosure relates to a method and system for configuring a computing system, such as a cloud computing system. A method includes selecting, based on a user selection received via a user interface, a workload for execution on a cluster of nodes of the computing system.
|Rear camera system for vehicle having parking guide function and parking guide system using the same|
Provided are a rear camera system for vehicles and a parking guide system using the same, which displays the minimum width and maximum width of a parking area guideline in consideration of the dimensions of a vehicle in displaying a parking area, and displays a stop position in backing. The parking guide system includes a camera mounted on a vehicle, a display unit disposed inside the vehicle, and a parking guide control unit connected to the camera and the display unit.
|Transceiver with sub - sampling based frequency synthesizer|
Disclosed is a transceiver including a sub-sampling based frequency synthesizer with a sampling frequency fsmp, configured to generate m different output signals 3 for use as a carrier signal for transmission and/or a signal with a channel frequency for reception. M is an integer greater than 4, each output signal has a corresponding predefined frequency.
|System and method for connecting and controlling musical related instruments over communication network|
A communication system provides connection, configuration, and control of a musical instrument. A musical instrument includes a first communication link disposed on the musical instrument.
|Hybrid video coding supporting intermediate view synthesis|
Hybrid video decoder supporting intermediate view synthesis of an intermediate view video from a first- and a second-view video which are predictively coded into a multi-view data signal with frames of the second-view video being spatially subdivided into sub-regions and the multi-view data signal having a prediction mode is provided, having: an extractor configured to respectively extract, from the multi-view data signal, for sub-regions of the frames of the second-view video, a disparity vector and a prediction residual; a predictive reconstructor configured to reconstruct the sub-regions of the frames of the second-view video, by generating a prediction from a reconstructed version of a portion of frames of the first-view video using the disparity vectors and a prediction residual for the respective sub-regions; and an intermediate view synthesizer configured to reconstruct first portions of the intermediate view video.. .
|Image-pickup apparatus, its control method, and storage medium|
An image-pickup apparatus includes a synthesizer configured to synthesize a plurality of images, a detector configured to detect positional information, a first instructor configured to instruct a start of a photography preparing operation, a second instructor configured to instruct a start of a photographic operation, and a controller configured to determine first and second capturing conditions in accordance with an instruction from the first instructor and to hold reference position information based upon the positional information when the first instructor provides an instruction, the controller being configured to make an image-pickup unit start the consecutive shooting under the first capturing condition in accordance with an instruction from the second instructor, and to make the image-pickup unit capture an image under the second capturing condition when the detector detects that the positional information of the image-pickup apparatus corresponds to the reference position information.. .
|Noise filtering fractional-n frequency synthesizer and operating method thereof|
The present invention discloses a noise filtering fractional-n frequency synthesizer and an operating method thereof. The noise filtering fractional-n frequency synthesizer comprises a filter, a frequency calibration loop, a phase calibration loop and a digitally controlled delay line.
|Frequency comb source with large comb spacing|
A frequency comb laser providing large comb spacing is disclosed. At least one embodiment includes a mode locked waveguide laser system.
|Synthesizer method utilizing variable frequency comb lines and frequency toggling|
A variable frequency synthesizer and method of outputting the variable frequency is disclosed. The synthesizer comprises a first reference frequency, a direct digital synthesizer (dds) receiving the first reference frequency and outputting a tuned frequency, a variable frequency comb generator receiving the tuned frequency and outputting a variable frequency comb comprised of a plurality of comb lines, a mixer receiving the variable frequency comb and a signal from an oscillator and outputting an intermediate frequency, a phase lock loop (pll) receiving a second reference frequency and the intermediate frequency and outputting a phase lock signal, and the oscillator receiving the phase lock signal and outputting a variable synthesized frequency..
|Blending recorded speech with text-to-speech output for specific domains|
A text-to-speech (tts) engine combines recorded speech with synthesized speech from a tts synthesizer based on text input. The tts engine receives the text input and identifies the domain for the speech (e.g.
|Low band bandwidth extended|
Apparatus comprising: an input amplitude and phase calculator configured to determine at least one amplitude value and phase value dependent on a first audio signal; a synthesis amplitude calculator configured to synthesize a further amplitude value associated with each amplitude value dependent on a determined harmonic shaping function; a synthesis phase calculator configured to synthesize a further phase value associated with each phase value; and a signal synthesizer configured to generate a bandwidth extension signal dependent the further amplitude value and the further phase values.. .
|Low phase-noise indirect frequency synthesizer|
A low phase noise frequency synthesizer, comprising, arranged in series, a first mixer receiving a reference signal at a reference frequency fr, a loop filter and a voltage-controlled oscillator delivering a microwave signal at a second frequency fo slaved to a multiple of reference frequency fr, further comprises: means of multiplication of the frequency fo of said microwave signal by a factor n strictly greater than 1, means of correction of the frequency n.fo of the output signal of the multiplication means configured to restore frequency n.fo to an interval [fomin, fomax] where output frequency fo would vary if multiplication factor n=1, means of division of the frequency fj of the output signal of the correction means by a factor equal to the expected ratio between frequency fj and reference frequency fr, the frequency division means being connected at output to the second input of the first mixer.. .
|Frequency synthesizer tuning|
A frequency synthesizer circuit includes a phase determinator configured to output a phase difference signal based on a phase difference between an output signal and a reference signal. The frequency synthesizer circuit may further include a voltage controlled oscillator configured, during a fine tuning mode, to generate the output signal based on the phase difference signal and a value of a frequency band signal.
|Generalization and/or specialization of code fragments|
Generalization and/or specialization of code fragments is described, for example, as part of a tool for software developers. In an embodiment, a developer inserts natural language expressing a programming task into code he or she is developing in an integrated development environment; a program synthesizer obtains relevant (possibly non-compiling) code fragments for the task, merges those together to form a snippet, specializes the snippet for the context of the code and inserts the specialized snippet into the code.
|Prosody generator, speech synthesizer, prosody generating method and prosody generating program|
There is provided a prosody generator that generates prosody information for implementing highly natural speech synthesis without unnecessarily collecting large quantities of learning data. A data dividing means 81 divides into subspaces the data space of a learning database as an assembly of learning data indicative of the feature quantities of speech waveforms.
|Frequency divider with improved linearity for a fractional-n synthesizer using a multi-modulus prescaler|
A frequency divider is disclosed. The frequency divider includes a multi-modulus prescaler to perform a frequency division by a modulus m, wherein m is an integer between n and 2*n−1 and n is a power of 2.
|Frequency synthesizer apparatus and methods for improving capacitor code search accuracy using lsb modulation|
A frequency synthesizer is disclosed that includes an oscillator having an output to deliver a signal of a controllable frequency. The oscillator includes a capacitor bank responsive to an n-bit control signal to exhibit a capacitance.
|Autonomous control of unmanned aerial vehicles|
An autonomous control system for an unmanned aerial vehicle is provided. In one example, the control system includes a first control mode component configured to generate a first command to provide a first autonomous control mode for the unmanned aerial vehicle, a second control mode component configured to generate a second command to provide a second autonomous control mode for the unmanned aerial vehicle, and an intelligence synthesizer configured to resolve functional conflicts between the first and second autonomous control modes..
|Communication device and communication method|
A modulator performs a predetermined operation for making an absolute value of an operation result of at least one element of an input signal greater than 0 on the individual elements of the input signal. The modulator generates post-operation data by associating individual elements of the input signal with individual elements of a data series which is a set of pieces of data which are equal in number to the elements of the input signal and whose absolute values are equal to one another, and multiplying the individual elements of the input signal which are subjected to the predetermined operation by the elements of the data series.
|Radar device and method of processing reflection signal|
A radar device is provided, which includes a receiver for transmitting a pulse-shaped radio wave and receiving a corresponding reflection signal as a reception signal, a doppler processor for generating doppler processed signals that are signals obtained by separating the reception signal according to doppler frequencies or signals obtained based on the signals separated, an improvement level calculator for calculating a signal improvement level by comparing an amplitude value of the reception signal with amplitude values of the doppler processed signals, a signal synthesizer for synthesizing the reception signal and the doppler processed signals based on the signal improvement levels, and a display processor for generating a radar image based on the synthesized signal.. .
|Radiopharmacy and devices|
Components and systems for a pet radiopharmacy include a transport shield for a radioisotope cartridge, a cassette for dispensing from a transport shield, a cassette synthesis platform for a cassette, and a synthesizer shield.. .
|Image processing apparatus, control method of image processing apparatus, and storage medium|
An image processing apparatus of the present invention includes: an image quality corrector that performs, when image data of a ground surface image obtained by taking an image of a ground surface from the sky is input, an image quality correction process to bring image quality of a reference image, which is obtained by taking an image of a range overlapping the input ground surface image from the sky, into line with image quality of the input ground surface image; a positioner that positions the input ground surface image and the reference image after the image quality correction process by said image quality corrector is performed; and an image synthesizer that generates a synthetic image by synthesizing the input ground surface image and the reference image after the positioning by the positioner is performed.. .
|Servo zone detector|
The present inventions are related to systems and methods for transferring information to and from a storage medium, and more particularly to systems and methods for positioning a sensor in relation to a storage medium. For example, an apparatus for determining a sensor position is disclosed that includes discrete fourier transform calculators operable to process input data to yield a magnitude response of the input data at each of a number of candidate frequencies, a comparator operable to compare the magnitude responses to yield a winning candidate frequency, a servo controller operable to process at least one servo field in the input data to identify a position of a sensor based on the at least one servo field, and a servo frequency synthesizer operable to establish a frequency of operation in the servo controller based at least in part on the winning candidate frequency..
|Current output control device, current output control method, digitally controlled oscillator, digital pll, frequency synthesizer, digital fll, and semiconductor device|
A current output control device is provided that includes: a current cell array section including plural current cell circuits that are each connected in parallel between a first terminal (power source) and a second terminal (ground) that connect between the first terminal and the second terminal in by operation on so as to increase control current flowing between the first terminal and the second terminal; and a code conversion section (decoder) that generates signals (row codes, column codes) to on/off control current cells so as to change the number of current cells that connect the first terminal and the second terminal according to change in an externally input code and that inputs the generated signals to the current cell array section.. .
|Device for measuring arterial pressure|
A device is sued for measuring arterial pressure. The device includes a body in the form of a wrist-watch, an element for fastening the latter on a user's wrist, said element being in the form of a wristband designed so that the clamping force of the wristband on the wrist can he adjusted.
|Complex spatial light modulator and holographic 3d image display device having the same|
A complex spatial light modulator includes a polarization-phase modulator for separating an incident beam into a first beam having a first polarization and a first phase, and a second beam having a second polarization and a second phase, and for outputting the first beam and the second beam; and a beam synthesizer including a prism structure formed of an optical anisotropic material having a first refractive index with respect to the first beam having the first polarization and having a second refractive index, different form the first refractive index, with respect to the second beam having the second polarization, where the beam synthesizer combines the first beam and the second beam.. .
|Video signal processing device and method|
A multiband signal generator generates multiband signals from 21 lines of input data by using a subset of n lines with each line delayed from 1 line to n lines respectively. M line buffers delay the multiband signals such that each line is delayed from 1 line to m lines respectively.
|Cmos programmable non-linear function synthesizer|
The cmos programmable non-linear function synthesizer utilizes cmos current-mode electronics to provide synthesis of arbitrary analog functions. The circuit approximates a seventh-order taylor series expansion to synthesize an arbitrary nonlinear function.
|Frequency synthesizer with zero deterministic jitter|
A frequency synthesizer system may generate two intermediate clock signals, each intermediate clock signal having the same nominal frequency (fn), the same cycle pattern with deterministic jitter, and the same corresponding average frequency (fa). However, the cycle pattern in one intermediate clock signal may be a specified number (n) of cycles out of phase with respect to the cycle pattern in the other intermediate clock signal.
|Apparatus and method for optimized power cell synthesizer|
Apparatus for providing semiconductor device with an analysis module to receive device information, a g-function processor producing an ordered relationship representation corresponding to an optimization parameter specification, and a power cell optimizer to produce an optimization parameter from the ordered relationship representation. A method for designing a semiconductor device includes receiving an optimization target specification; receiving an optimization parameter specification corresponding to an optimization parameter; receiving a the target parameter; receiving a g-function corresponding to an ordered relationship representation; optimizing the optimization parameter specification as a function of the predetermined g-function; and producing at least one optimized geometric layout parameter (glp) by the optimizing, wherein the at least one glp corresponds to an optimized power cell..
|Circuits and methods for eliminating reference spurs in fractional-n frequency synthesis|
Disclosed are circuits and method for reducing or eliminating reference spurs in frequency synthesizers. In some implementations, a phase-locked loop (pll) such as a frac-n pll of a frequency synthesizer can include a phase frequency detector (pfd) configured to receive a reference signal and a feedback signal.
|Hybrid dual mode frequency synthesizer circuit|
A dual mode frequency synthesizer circuit including: a dds or pll (204) for receiving an input clock (202) and generating an output clock (206), in a high resolution mode; and an rf switch (210) having its output (208) coupled to the output of the dds or pll, a first input (216) for receiving a first injection low phase-noise clock (f1), a second input (218) for receiving a second injection low phase-noise clock (f2), and a control input (222) for selecting one of the first or second injection low phase-noise clocks for a low phase-noise mode.. .
|Radio frequency module supporting multiple carriers, base station and carrier distribution method|
A radio frequency module supports multiple carriers includes a carrier generating apparatus, a carrier distributor, a carrier synthesizer, and at least two transmit channel. T carrier generating apparatus is connected to the carrier synthesizer, the carrier synthesizer is connected to the transmit channels, and the carrier distributor is separately connected to the carrier synthesizer and the transmit channels.
|Low jitter clock generator for multiple lanes high speed data transmitter|
The present disclosure provides a clock generator circuit comprising a master clock generator unit configured to generate a master clock signal, and a plurality of slave phase locked loop units. Each of the plurality of slave phase looked loop units is configured to receive the master clock signal as an input reference signal and a corresponding source clock signal.
|Higher-order phase noise modulator to reduce spurs and quantization noise|
A frequency synthesizer capable of generating a clock signal having reduced digital spurs and reduced jitter is described. An apparatus includes a frequency modulator configured to generate a divide control signal and a digital quantization error signal in response to a divide ratio.
|Signal select in underground line location|
A transmitter and receiver for performing a signal select algorithm are provided. A transmitter for providing a signal on a line to be located includes at least one direct digital synthesizer, the direct digital synthesizer producing two component frequencies in response to an input square wave signal; and a feedback loop providing the input square wave..
|Apparatuses for measuring high speed signals and methods thereof|
An apparatus for measuring a high speed signal may comprise a plurality of analog-digital converters (ad converter) that are arranged in parallel to each other to sample an input signal at different frequencies; a plurality of frequency synthesizers configured to provide each ad converter with a different sampling frequency; a signal processor configured to receive an output of the plurality of ad converters to reconstruct the input signal; and/or a controller configured to receive and process a trigger signal.. .
|Warning system with synthesized voice diagnostic announcement capability for field devices|
Field devices, including sensors and final elements, are provided with a speech synthesizer and optionally a speech control chip, to sound audible voice maintenance and fault alarms to alert field personnel and, optionally, a voice message upon manual activation of a pushbutton or other switch directing them how to perform the maintenance task or clear the fault.. .
|Wide range frequency synthesizer with quadrature generation and spur cancellation|
A frequency synthesizer generates a wide range of frequencies from a single oscillator while achieving good noise performance. A cascaded phase-locked loop (pll) circuit includes a first pll circuit with an lc voltage controlled oscillator (vco) and a second pll circuit with a ring vco.
|Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer|
The present disclosure relates to a signal analyzer for processing an overlapped input signal frame comprising 2n subsequent input signal values. The signal analyzer comprises: a windower adapted to window the overlapped input signal frame to obtain a windowed signal, wherein the windower is adapted to zero m+n/2 subsequent input signal values of the overlapped input signal frame, wherein m is equal or greater than 1 and smaller than n/2; and a transformer adapted to transform the remaining 3n/2−m subsequent windowed signal values of the windowed signal using n−m sets of transform parameters to obtain a transformed-domain signal comprising n−m transformed-domain signal values..
|Wavefront synthesizer systems|
Wavefront synthesizers and optical switches implemented with wavefront synthesizers are disclosed. In one aspect, a wavefront synthesizer includes a waveguide tree composed a root waveguide that branches into at least two terminus waveguides.
|Sound synthesizing apparatus|
A sound synthesizing apparatus includes a processor coupled to a memory. The processor configured to execute computer-executable units comprising: an information acquirer adapted to acquire synthesis information which specifies a duration and an utterance content for each unit sound; a prolongation setter adapted to set whether prolongation is permitted or inhibited for each of a plurality of phonemes corresponding to the utterance content of the each unit sound; and a sound synthesizer adapted to generate a synthesized sound corresponding to the synthesis information by connecting a plurality of sound fragments corresponding to the utterance content of the each unit sound.
|Systems and methods for implementing a distributed antenna system in a radio frequency integrated circuit|
A remote antenna unit includes an uplink integrated circuit (ic) and a downlink ic. The uplink ic includes an uplink synthesizer that provides an uplink oscillating signal; an uplink mixer stage that mixes an uplink radio frequency signal with the uplink oscillating signal to produce an uplink intermediate frequency signal; and an uplink control interface that receives uplink commands that control the frequency of the uplink oscillating signal.
The present invention relates to the field of radiopharmaceuticals for in vivo imaging, in particular to a method of labelling a biological targeting molecule with a radioisotope. The method of the invention is particularly suitable for use with an automated synthesizer apparatus.
The present invention discloses a frequency synthesizer. The frequency synthesizer includes a delay unit, for receiving a reference signal and delaying the reference signal according to a delay parameter, so as to generate a delay reference signal; a phase-locked loop, for generating an output signal according to the delay reference signal and a feedback frequency dividing signal; a control unit, for generating the delay parameter and a frequency dividing parameter according to a target magnification factor; and a frequency divider, for dividing the frequency of the output signal according to the frequency dividing parameter..
|Systems, circuits, and methods for a digital frequency synthesizer|
Systems, methods, and circuits provide a digital frequency synthesizer where the output of the frequency synthesizer is a fractional factor of an input signal frequency. The digital frequency synthesizer may comprise a time to digital converter.
|Communication apparatus and communication method|
A series generator divides a data series having an autocorrelation property equally into a certain number to generate subdata series. A modulator multiplies a predetermined amplitude coefficient and a unique number by each element of the subdata series, respectively, and rearranges the subdata series and synthesizes the rearranged subdata series to generate the modulation data.
|Pwm duty cycle synthesizer and method with adjustable corner frequency|
A circuit is provided that includes summing circuit for comparing the pwm output signal to the pwm input signal and producing an increment signal if a value of the pwm input signal exceeds a corresponding value of the pwm output signal and producing a decrement signal if a value of the pwm input signal is less than a corresponding value of the pwm output signal. An integrator produces a duty cycle signal by producing an increase in value of the duty cycle signal in response to each increment signal and a decrease in value of the duty cycle signal in response to each decrement signal.
|Radio frequency (rf) receiver with dynamic frequency planning and method therefor|
A radio frequency (rf) receiver comprises an analog receiver, a digital signal processor, a clock synthesizer, and a microcontroller. The analog receiver has an input for receiving an rf input signal, and an output for providing a digital intermediate frequency (if) signal.
|Apparatus and methods for the automated synthesis of small molecules|
Provided are methods for purifying n-methyliminodiacetic acid (mida) boronates from solution. Also provided are methods for deprotection of boronic acids from their mida ligands.
|Random spread spectrum modulation|
Representative implementations of devices and techniques provide a spread spectrum clocking signal. In a frequency synthesizer, a sequence of values may be generated and used to modulate a frequency of an input signal to the frequency synthesizer..
|Compact transceiver architecture for achieving device to device (d2d) communication using uplink and downlink carrier frequencies|
A system and method for device-to-device (d2d) communication is disclosed. A preferred embodiment comprises a frequency synthesizer configured to provide a first carrier frequency and a second carrier frequency, an up-converter coupled to the frequency synthesizer and configured to up-convert a first baseband signal into a cellular uplink signal when receiving the first carrier frequency from the frequency synthesizer, and configured to up-convert the first baseband signal into a first device-to-device signal when receiving the second carrier frequency from the frequency synthesizer, and a down-converter coupled to the frequency synthesizer and configured to down-convert a second device-to-device signal into a second baseband signal when receiving the first carrier frequency from the frequency synthesizer, and configured to down-convert a cellular downlink signal into the second baseband signal when receiving the second carrier frequency from the frequency synthesizer..
|Frequency synthesizer architecture in a time-division duplex mode for a wireless device|
A dual frequency synthesizer architecture for a wireless device operating in a time division duplex (tdd) mode is disclosed. In an exemplary design, the wireless device includes first and second frequency synthesizers.
|Conference call service with speech processing for heavily accented speakers|
Speech recognition processing captures phonemes of words in a spoken speech string and retrieves text of words corresponding to particular combinations of phonemes from a phoneme dictionary. A text-to-speech synthesizer then can produce and substitute a synthesized pronunciation of that word in the speech string.
|Interactive synthesizer hoop instrument|
A hoop containing lights (leds or el wires) that vary output, based on, for example, movement of the user, through the use of electromechanical and electronic sensors and switches is disclosed. Different movements, circuits or programs cause the lights to respond differently to the same signals.
|Communication apparatus and communication method|
A modulator generates a modulation signal from an input signal, and a serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An ifft unit performs an inverse fast fourier transformation on the subcarrier modulation signal, and a decomposer decomposes a calculation result into a real part data and an imaginary part data.
|Multi-carrier communication apparatus|
A local carrier wave output from a synthesizer to quadrature demodulators is multiplied by an offset that makes a frequency shift by an integer number of subcarriers in units of sub-carrier bands. The offset is set to a value obtained by multiplying the number sequentially counted up from 0 to the number of unused sub-carriers included in guard tones in a signal band by the bandwidth of a sub-carrier.
|Apparatus for wideband transmission and reception for multiband|
A wideband transmitting and receiving apparatus including a local oscillator (lo) synthesizer providing a constant output to a wide band is provided. The lo synthesizer may generate lo signals of different amplitudes according to channels.