|| List of recent Sampling-related patents
| Using fec statistics to tune serdes|
Serializer-deserializer (serdes) operation is optimized for signals based on signal error statistics. Forward error correction (fec) may provide feedback of error statistics or error correction statistics to a serdes tuner, which uses the statistics to selectively tune or adjust serdes operating parameters, such as vertical and horizontal sampling or slicing offsets, gain and equalization, to decrease the bit error rate (ber).
| Method for teaching an aftermarket accessory component, and an aftermarket accessory component configured to learn|
A method for teaching an aftermarket accessory component how to actuate a vehicle function is disclosed herein. The aftermarket accessory component is configured to monitor communications across a vehicle bus.
| Method and system for tracking and reporting environmental impact and agricultural-producer information|
Embodiments of the present disclosure include methods and systems for tracking and reporting environmental impact and agricultural-producer information. In an example embodiment, a method comprises receiving first data associated with an impact on groundwater pollution or surface water pollution, the impact on the groundwater pollution or the surface water pollution resulting from a production of an agricultural product, the groundwater pollution or the surface water pollution comprising a contaminant of at least one of an inorganic or organic pollutant, the first data being received from a single representative sampling location; receiving second data associated with the impact on the groundwater pollution and the surface water pollution from at least one of a plurality of representative sampling locations; generating a benchmark percentage-based result based on the first or second data; calculating comparative data using the benchmark percentage-based result and at least some of the first or second data; and reporting the benchmark percentage-based result and the comparative data to a user..
| Method and system for tracking and reporting environmental impact and agricultural-producer information|
Various embodiments of the present disclosure include methods and systems for tracking and reporting environmental impact and agricultural-producer information. In an example embodiment, a method comprises receiving first data associated with an impact on groundwater pollution or surface water pollution, the impact on the groundwater pollution or the surface water pollution resulting from a production of an agricultural product, the groundwater pollution or the surface water pollution comprising a contaminant of at least one of an inorganic or organic pollutant, the first data being received from a single representative sampling location; receiving second data associated with the impact on the groundwater pollution and the surface water pollution, the second data being received from at least one of a plurality of representative sampling locations; generating an aggregate result based on the second data; and calculating comparative data using the aggregate result and at least some of the first data; and reporting the aggregate result and the comparative data to a user..
| Method and system for tracking and reporting environmental impact and agricultural-producer information|
Various embodiments of the present disclosure include methods and systems for tracking and reporting environmental impact and agricultural-producer information. In an example embodiment, a method comprises receiving first data associated with an impact on groundwater pollution or surface water pollution, the impact on the groundwater pollution or the surface water pollution resulting from a production of an agricultural product, the first data being received from a single representative sampling location; receiving second data associated with the impact on the groundwater pollution or surface water pollution, the second data being received from at least one of a plurality of representative sampling locations; generating an aggregate result based on the second data; calculating comparative data using the aggregate result and at least some of the first data; and reporting the aggregate result and the comparative data to a user..
| Method and system for tracking and reporting environmental impact and agricultural-producer information|
Various embodiments of the present disclosure include methods and systems for tracking and reporting environmental impact and agricultural-producer information. In an example embodiment, a method comprises receiving first data associated with an impact on groundwater pollution or surface water pollution, the impact on the groundwater pollution or the surface water pollution resulting from a production of an agricultural product, the first data being received from a single representative sampling location; receiving second data associated with the impact on the groundwater pollution or surface water pollution, the second data being received from at least one of a plurality of representative sampling locations; generating a benchmark percentage-based result based on the first or second data; calculating comparative data using the benchmark percentage-based result and at least some of the first or second data; and reporting the benchmark percentage-based result and the comparative data to a user..
| Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless|
A voice encoder/decoder (vocoder) may provide receiving a voice sample and generating zero crossings of the voice sample in response to voice excitation in a first formant and creating a corresponding output signal. Additional operations may include dividing the output signal by two, and sampling the output signal at a predefined frequency such that a resulting combination uses half of a bit rate for an excitation and a remainder for short term spectrum analysis..
| Bandpass adc sampling for fluid velocity determination|
A method of calculating a time difference is disclosed. The method includes receiving a first ultrasonic signal (r21) having a first frequency from a first transducer (ut2) at a first time and receiving a second ultrasonic signal (r12) having the first frequency from a second ultrasonic transducer (ut2) at a second time.
| Spatial sampling improvement for list-mode pet acquisition using planned table/gantry movement|
A pet apparatus includes a detector array including individual detectors which receive radiation events from an imaging region. A movement controller controls at least one of relative longitudinal movement between a subject support and the detector array and circumferential movement between the detector array and the subject.
| Compact analyzer for acquiring characteristics of small tabs placed in a vessel|
Provided among other things is an analyzer for use with tabs placed in a vessel comprising: a stochastic sampling device adapted to receive the vessel; a light beam source adapted to enter the moving vessel and selectively illuminate tabs; an analytical signal receiver adapted to receive a signal indicative of an analytical process occurring on the surface of the tab as the tab is selectively illuminated; a tab id receiver adapted to collect id data from the tabs in coordination with their selective illumination; and a controller for associating identified tabs with analytical signals.. .
| Method and apparatus for analyzing alkalinity conditions in aqueous liquids|
Method for analyzing the alkalinity conditions in aqueous liquids, comprising: sampling a known amount of the aqueous liquid and placing it in a container of known volume, measuring ph in the sampled liquid and pressure in the container, adding a known amount of co2 to the sampled liquid, and measuring ph in the sampled liquid and the pressure in the container, and finally calculating the total alkalinity based on the values from the performed measurements. An apparatus for conducting the method is also described as well as a method for controlling chemistry of a glycol containing liquid in a system for recovery of glycol..
| Method for quantitative transfer of analytes|
A method for transferring a quantity of analytes comprising at least stages of: predisposing a substantially homogeneous mixture of a predetermined initial quantity of at least an analyte and a liquid, obtaining a known concentration value or known amount of the analyte in the mixture; introducing into the mixture at least a collecting portion (3) of a sampling device (1) having a support body (2), the collecting portion (3) comprising a plurality of fibers (6) attached to and arranged on a first portion (2a) of the support body (2) by means of flocking, in order to define a flocked collecting portion (3) or a flocked tampon, such as to collect a part of the mixture on the collecting portion (3); and extracting the collecting portion (3) of the sampling device (1) of the mixture, retaining on the sampling portion (3) a predetermined known quantity of the mixture to be transferred.. .
| Phase detection method and apparatus for clock recovery|
Embodiments of the present invention provide a phase detection method and apparatus. The apparatus comprises a phase detector, the phase detector comprising a calculation unit configured to calculate a phase difference according to a product of receiving power at different moments, so as to perform clock recovery by using the phase difference; wherein the receiving power is that obtained in sampling input signals at a predefined sampling rate, the predefined sampling rate being 2 times of a symbol rate.
| Method for image processing using local statistics convolution|
A method for filtering a digital image, comprising segmenting the digital image into a plurality of tiles; computing tile histograms corresponding to each of the plurality of tiles; deriving a plurality of tile transfer functions from the tile histograms preferably using 1d convolutions; interpolating a tile transfer function from the plurality of tile transfer functions; and filtering the digital image with the interpolated tile transfer function. Many filters otherwise difficult to conceive or to implement are possible with this method, including an edge-preserving smoothing filter, hdr tone mapping, edge invariant gradient or entropy detection, image upsampling, and mapping coarse data to fine data..
| Image processing device, information generation device, image processing method, information generation method, and computer readable medium|
A feature value extraction section extracts a feature value from a pixel or a group of pixels of a sampling point for every plurality of sampling points for a reference point with respect to a region point on an image, and extracts a group of feature values with respect to the reference point; the location information identification section references an lrf function indicating a correspondence of the group of feature values with respect to the reference point and the location information indicating a relative location of the region point with respect to the reference point to identify the location information corresponding to the group of feature values extracted by the feature value extraction section, and the region point identification section assumes the location indicated by the location information identified by the location information identification section as a region point of the object.. .
| Methods and apparatus to perform audio watermark detection and extraction|
Methods and apparatus to perform audio watermark detection and extraction are disclosed. An example method includes sampling a media signal to generate samples, wherein the media signal includes an embedded message, determining a first symbol value for a first block of the samples, determining a second symbol value for a second block of the samples, and determining, using a processor, a resulting symbol value, representative of a part of the embedded message, based on the first symbol value and the second symbol value for the first block of samples and the second block of samples, wherein the first block and the second block partially overlap..
| Signal receiver with multi-level sampling|
A signal receiver may comprise a first sampling circuitry that is operable to sample in a first level at a particular main sampling rate; a second sampling circuitry that is operable to sample in a second level, an output of the first sampling circuitry, at a second sampling rate that is reduced compared to the main sampling rate; a third sampling circuitry that is operable to sample in a third level, one or more outputs of the second sampling circuitry, at a third sampling rate that is reduced compared to the second sampling rate; and an analog-to-digital conversion (adc) circuitry for applying analog-to-digital conversion to one or more outputs of the third sampling circuitry.. .
| Video processing device|
Provided is a video processing device with which it is possible to efficaciously carry out a process of superpositioning a monitor character signal in a video signal which is inputted from a camera and outputting same separately from the video signal. The video processing device comprises: a character signal emitter which generates a character signal on the basis of the monitor data; and a character superposition unit which superpositions the character signal which is generated by the character signal emitter upon the least significant bits of the color difference signal of the video signal which is inputted from the camera.
| Generating a sparsifier using graph spanners|
A sparsifier is generated from a union of multiple spanners of a graph. The edges of the sparsifier are weighted based on a measure of connectivity called robust connectivity.
| Method and apparatus for reducing the contribution of noise to digitally sampled signals|
The contribution of noise to digitally sampled signals is reduced using a statistical processor and a slope limiter. The statistical processor determines an average value (mean and/or standard deviation) of the filtered signal which is used to determine a slope limit corresponding to an expected maximum first derivative value of a target signal frequency.
| Systems and methods for susceptibility tensor imaging in the p-space|
Systems and methods for susceptibility tensor imaging in the p-space are disclosed. An example method includes using an mri system to generate an mri signal of an object.
| Inverter control method and system for eco-friendly vehicle|
Disclosed is an inverter control system and method for an eco-friendly vehicle, by which overall improvements can be obtained in terms of switching loss, electromagnetic performance, noise-vibration-harshness (nvh) performance, control stability, and so forth, when compared to a conventional case in which one fixed switching frequency and one fixed sampling frequency are used over the entire operation area. To this end, the inverter control method for an eco-friendly vehicle which generates a pulse width modulation (pwm) signal according to a switching frequency and a sampling frequency and controls on/off driving of a switching element, in which a controller changes and sets the switching frequency according to a current motor speed, changes and sets a sampling frequency according to the switching frequency, and controls on/off driving of a switching element according to the switching frequency corresponding to the motor speed and the sampling frequency..
| Inverter control method and system for eco-friendly vehicle|
Provided is an inverter control system and method for an eco-friendly vehicle, by which overall improvements can be obtained in terms of switching loss, electromagnetic performance, noise-vibration-harshness (nvh) performance, control stability, and so forth, when compared to a conventional case in which one fixed switching frequency and one fixed sampling frequency are used over the entire operation area. To this end, the inverter control method for an eco-friendly vehicle which generates a pulse width modulation (pwm) signal according to a switching frequency and a sampling frequency and controls on/off driving of a switching element, in which a controller changes and sets the switching frequency according to a current motor speed, changes and sets a sampling frequency according to the switching frequency, and controls on/off driving of a switching element according to the switching frequency corresponding to the motor speed and the sampling frequency..
| Geophysical surveying|
A computer-implemented method for processing a seismic trace of a subterranean region comprising: (a) deriving a seismic wavelet for a time-window of seismic trace; (b) generating a model for the subterranean region corresponding to that time-window comprising a plurality of seismic reflectors by comparing the seismic wavelet with the time-window of the seismic trace to identify locations for the seismic reflectors, wherein the locations of the seismic reflectors are subject to a separation constraint requiring neighboring seismic reflectors to be separated by at least a minimum separation threshold which is greater than a separation corresponding to a sampling interval for the seismic trace; (c) defining a model seismic wavelet having a model seismic wavelet amplitude spectrum with a frequency bandwidth which is greater than that of the seismic wavelet amplitude spectrum determined for the time-window of the seismic trace; and (d) generating a model of the time-window of the seismic trace for the subterranean region based on the plurality of seismic reflectors of the model for the subterranean region corresponding to that time window and the model seismic wavelet.. .
| Devices and methods for determination of bioavailability of pollutants|
Contaminant mass collection in saturated sedimentary environments for bioavailability determination. A casing includes a screen between the environment that is subject to sampling, such as a saturated sediment and the device itself.
|Trace generation method, trace generation device, trace generation program product, and multi-level compilation using trace generation method|
A trace generation device including a directed graph generator configured to generate a directed graph in accordance with execution of compiled traces whose maximum length is limited to a certain length or shorter and that have been generated at a low optimization level, the directed graph representing transitions of execution between the compiled traces; a directed graph updater configured to traverse edges in the directed graph backward from a start point in timer-based sampling, the start point being a node corresponding to a trace in which a timer tick has occurred, and configured to increment a recompilation counter of a trace that the backward traversal has reached when stopping in front of a cyclic trace or at a trace not having any further edge; and a generator configured to determine the head of a corresponding trace as a head of a new trace.. .
|Adaptive control of processor performance|
Embodiments include a method, system and an article of manufacture for configuring at least one processor. These include changing a sampling frequency of at least a portion of a control loop coupled to the processor in response to a change in a current input workload, determining a current error of the processor after the changing, and adjusting one or more of a clock rate and a voltage of the processor to reduce a difference between the current error and a desired error..
|Modeling data generating process|
There is provided a method and system for modeling a data generating process. The method includes generating a dyadic bayesian model including a pair of probabilistic functions representing a prior distribution and a sampling distribution, and modeling a data generating process based on the dyadic bayesian model using observed data..
|Construction of entropy-based prior and posterior probability distributions with partial information for fatigue damage prognostics|
A method for predicting fatigue crack growth in materials includes providing a prior distribution obtained using response measures from one or more target components using a fatigue crack growth model as a constraint function, receiving new crack length measurements, providing a posterior distribution obtained using the new crack length measurements, and sampling the posterior distribution to obtain crack length measurement predictions.. .
|Plastic surgical instruments|
Disclosed herein are tools, systems, methods and surgical techniques for a disposable grasping, cutting, severing and/or biting surgical instrument having sharp cutting tips. Such instruments are lighter than their equivalent stainless steel instruments currently being used, and can be designed to employ a shearing/cutting or grasping mechanism that may be suited for specific cutting and sampling bone, cartilage and soft tissue.
|Sampling module device and method|
A medicament injection device includes a device body portion that includes a penetrating member channel. A penetrating member is provided with a sharpened distal tip and shaft portion that is slidably disposed within the penetrating channel to provide for a penetrating to travel in a linear axial movement.
|Method and apparatus for improving fluidic flow and sample capture|
A body fluid sampling device for use on a patient includes at least one penetrating member positioned in the cartridge and a sample port for receiving a body fluid. A channel is coupled to the sample port and the sample chamber.
|Surgical instrument for deep tissue and/or cell sampling|
A tissue and/or cell sampling device for biopsies having a catheter sized for translation through a lumen on an instrument such as a bronchoscope. An aspiration needle engaged to a control member is employable by translation to remove a core of tissue from a sampling location.
|Treatment instrument for endoscope|
A treatment instrument for an endoscope includes a specimen sampling tool including arm portions, a loading portion, and a claw portion, a proximal end of the arm portions being fixed, and a tube on an inside of which the specimen sampling tool is placed to be capable of moving back and forth. At least the claw portion is expanded in diameter further to an outer side in a radial direction r than a tube 3 according to relative movement of the specimen sampling tool and the tube 3.
|Object information acquiring apparatus and control method for same|
An object information acquiring apparatus, including: a probe converting an acoustic wave generated from an object irradiated with light into a detection signal; and a signal processing unit generating information about the object from the detection signal, wherein the signal processing unit: extracts a sampling signal on the basis of conditions relating to the signal shape; generates a reference signal from the sampling signal; detects a phase-inverted signal, which is a portion of the detection signal where the phase is inverted with respect to the reference signal, by carrying out a correlation calculation; generates a signal after suppression by suppressing the intensity of the phase-inverted signal from the detection signal; and generates information about the interior of the object using the signal after suppression.. .
|Rapid detection of histamine in food and beverages|
Described herein is a rapid, semi-quantitative sampling device which may rapidly detect histamine in food, beverage and feed samples. The device uses an enzyme (impregnated in a sampling pad) to specifically convert histamine present in samples to a visual colorimetric signal.
|Digital coherent optical receiver, control method of the same, and transmission apparatus|
A digital coherent optical receiver executing coherent reception of a phase-modulated optical signal, includes: a moving average section configured to execute a moving average for received data obtained by sampling of the phase-modulated optical signal; a compensator configured to compensate a wavelength dispersion value of the phase data having been executed with the moving average; and a control section configured to determine a moving average frequency to be executed by the moving average section based on the compensated wavelength dispersion value.. .
|Method and apparatus for acoustic area monitoring by exploiting ultra large scale arrays of microphones|
Systems and methods are provided to create an acoustic map of a space containing multiple acoustic sources. Source localization and separation takes place by sampling an ultra large microphone array containing over 1020 microphones.
|Method and apparatus for video coding|
There are disclosed various methods, apparatuses and computer program products for video encoding and decoding. In some embodiments information on a sampling grid of a current view component and information on a sampling grid of a reference view component is obtained and is used to select one or more resampling filter parameters for filtering at least a part of the reference view component to be used in one or more of inter-view prediction and view synthesis prediction of the current view component.
|Motion field upsampling for scalable coding based on high efficiency video coding|
An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a first layer having a first spatial resolution and a corresponding second layer having a second spatial resolution, wherein the first spatial resolution is less than the second spatial resolution.
|Prediction mode information upsampling for scalable video coding|
In one embodiment, an apparatus configured to code video data includes a processor and a memory unit. The memory unit stores video data associated with a first layer having a first spatial resolution and a second layer having a second spatial resolution.
|Method and system for optimized access of a physical random access channel|
A method for optimized access of a physical random access channel (prach) includes sampling a plurality of mapped zones associated with a base station. Each of the mapped zones has a plurality of endpoints.
|Tissue sampling for pathological study|
A probe device for use in a tissue inspection system is presented. The probe device comprises a probe body and a control unit at least partially incorporated in the probe body.
|Apparatus and methods for uniform frequency sample clocking|
A method and a system for uniform frequency sample clocking to directly sample the oct signal with a temporally-non-linear sampling clock derived from a k-space wavemeter on the external sample clock input port of a digitizer.. .
Imager arrays, array camera modules, and array cameras in accordance with embodiments of the invention utilize pixel apertures to control the amount of aliasing present in captured images of a scene. One embodiment includes a plurality of focal planes, control circuitry configured to control the capture of image information by the pixels within the focal planes, and sampling circuitry configured to convert pixel outputs into digital pixel data.
|Ad conversion circuit, semiconductor device, and ad conversion method|
A reference voltage generator generates a reference voltage at the time of sampling a received input signal. A sampling time controller detects a change in the reference voltage.
|Digital-analog converter and control method thereof|
A digital-analog converter circuit includes sampling capacitive elements (111, 112, . .
|Duty cycle detecting circuit for pulse width modulation|
A duty cycle detecting circuit for pulse width modulation (pwm). The circuit includes a clock generating circuit, a sampling circuit and a calculation circuit.
|Control device for dc-dc converter and control method controlling the same|
A control device for a dc-dc converter, which receives an input power and generates an output voltage, includes a first error amplifier for comparing a reference voltage signal and the output voltage to generate a feedback signal, a sampling and holding control circuit coupled to the first error amplifier for generating a reference current signal according to the feedback signal and an input current associated with the input power, a filter for receiving the input current associated with the input power and generating an average current value according to the input current, a second error amplifier coupled to the sampling and holding and the filter for comparing the reference current signal and the average current value before generating a control signal, and a switching control circuit coupled to the second error amplifier for generating a switching signal according to the control signal from the second error amplifier.. .
|Spectroscopic detector and corresponding method|
The invention relates to a spectroscopic detector, including: at least one waveguide (70) arranged on a substrate (7) and having an input surface (700) to be connected to an electromagnetic source, in particular an infrared source, and a mirror (701) on the opposite surface, so as to generate a standing wave inside the waveguide; and a means for detecting electromagnetic radiation, which output an electrical signal according to the local intensity of the electromagnetic wave, characterised in that said detection means consists of suspended membrane bolometers (72 to 75) distributed between the input surface and the mirror, each membrane of said heat detectors being separated from said at least one waveguide by anchoring points (42) on said substrate (7), and in that means (702 to 705) for sampling a portion of the electromagnetic wave is provided between the input surface and the mirror.. .
|Bill jam troubleshooting|
A bill jam troubleshooting employed in a bill acceptor used in a consumer system includes the step of displaying an error message when a fake bill is identified by a sampling and validation module, the step of driving the transmission mechanism to carry the inserted bill back and forth over a validation zone repeatedly twice when a bill jam is detected, and the step of controlling the transmission mechanism to return the inserted bill to the bill slot. Thus, the invention improves the function and effect on the overall use of the product, and enhances the advantages and opportunities of commodity sales channels to increase product competitiveness..
|Determining fluid composition downhole from optical spectra|
Obtaining in-situ optical spectral data associated with a formation fluid flowing through a downhole formation fluid sampling apparatus, and predicting a parameter of the formation fluid flowing through the downhole formation fluid sampling apparatus based on projection of the obtained spectral data onto a matrix that corresponds to a predominant fluid type of the formation fluid.. .
|Ball assisted device for analytical surface sampling|
A system for sampling a surface includes a sampling probe having a housing and a socket, and a rolling sampling sphere within the socket. The housing has a sampling fluid supply conduit and a sampling fluid exhaust conduit.
|Apparatuses and methods for wireless monitoring and control of environmental sampling and chromatographic apparatuses|
A liquid chromatographic system includes columns, column mounting fixtures to which the columns are mounted, a detector, a collector, a controller and a plurality of rfids. A first rfid communicates with the controller and cooperating rfids mounted to other components provide information such as the history of components, parameters and the like.
|Techniques for resilient communication|
Techniques for resilient communication. A data path stores data to be transmitted over a link to a receiving node.
|Method and system for sampling online social networks|
A representative sample of an online social network is formed by performing a deterministic process that coalesces to indicate success. A random value is selected for seeding the process.
|Gaining timing accuracy of digital signals through averaging in the x-axis|
Rising and falling edges captured by a digital acquisition device appear to chatter on the x-axis by two or more sampling bin boundaries as live acquisition continually updates. This leads to a confusing display of limited usefulness.
|Constrained grid-based filter|
A constrained four dimensional grid-based filter (cgbf) used to provide state estimates for a target maneuvering in two dimensions. Optimal grid and sampling sizes or chosen and the kinematic constraints of the target a y used to restrict the possible predicted states resulting in quality target estimates..
|Methods and apparatus to provide speech privacy|
Methods and apparatus to provide speech privacy are disclosed. An example method includes forming a sampling block based on a first received audio sample, the sampling block representing speech of a user, creating, with a processor, a mask based on the sampling block, the mask to reduce the intelligibility of the speech of the user, wherein the mask is created by converting the sampling block from a time domain to a frequency domain to form a frequency domain sampling block, identifying a first peak within the frequency domain sampling block, demodulating the frequency domain sampling block at the first peak to form a first envelope of the sampling block, distorting the first envelope to form a first distorted envelope, and emitting an acoustic representation of the mask via a speaker..
|Method and system for presenting seismic information|
The present invention relates to a method for presenting seismic information sampled from geological formations, including the steps of sampling information from a chosen geological formation representing at least one parameter related to the formation, analyzing the sampled information from said geological formation producing a measure of the uncertainty related to said at least one parameter, and thereby defining a geobody related to said uncertainty of the at least one parameter being less than a predetermined limit.. .
|System and method for identification of contact between an object and a static implement in a power tool|
A method for operating a power tool detects human contact with a non-moving implement of the power tool. The method includes sampling an electrical signal that passes through the non-moving implement, identifying in-phase and quadrature phase components for the sample, identifying a first distance between the components of the sample and a centroid of a cluster of samples corresponding to human contact with the non-moving implement, identifying a second distance between the components of the sample and a second centroid identified for another cluster of samples corresponding to no human contact with the non-moving implement, and identifying human contact with the non-moving implement with reference to the first distance being less than the second distance..
|Method and system for simultaneous playback of audio tracks from a plurality of digital devices|
A method for simultaneous playback of audio tracks from digital transceiver devices, which are adapted to define a communication network. The digital devices store audio tracks to be played.
|Methods and systems for monitoring respiration with photoplethysmography|
The present invention relates to novel lip/cheek probes for detection of pulse-based differences in light absorbence across the vascularized tissue of a lip or cheek of a patient. These probes are fabricated to provide signals to estimate arterial oxygen saturation, and/or to obtain other photoplethysmographic data.
|Visible light receiving device and visible light receiving method|
A receiving device includes a first conversion unit, an amplification unit, and a microcomputer. The microcomputer includes: a second conversion unit that performs, for each sampling time duration, ad conversion on a voltage signal into an ad-converted value; a first calculation unit that calculates a difference digital value by difference calculation; a second calculation unit that calculates a positive reference value and a negative reference value; a detection unit that detects a rising point starting difference digital values greater than the positive reference value, and a falling point starting difference digital values smaller than the negative reference value; a third calculation unit that calculates a first sample period and a second sample period; and a fourth calculation unit that calculates a modulated signal for each symbol time period based on the first sample period and the second sample period..
|Multiphase sampling of modulated light with phase synchronization field|
A light transmitter transmits multiple light packets, each formatted to include a predetermined phase synchronization field (psf) and a same message comprising a series of bits. The psf and each bit are each represented as light that is intensity modulated over a bit period at a corresponding frequency.
|Methods and apparatus for multiphase sampling of modulated light|
A light transmitter transmits multiple light packets, each formatted to include a same message comprising a series of bits, each bit represented as light that is intensity modulated over a bit period at a frequency indicative of the bit. The light packets are transmitted at different start-times to establish different phases, one for each of the light packets, to permit a light receiver to sample each message at a different phase of a fixed sample timeline that is asynchronous to the bit period and the frequency.
|Handheld device and electronic device assembly and method for adjusting volume|
A handheld device communicates with an electronic device. The handheld device includes a setting unit, an audio sampling unit, and a controlling unit.
|System timing margin improvement of high speed i/o interconnect links by using fine training of phase interpolator|
Methods and apparatus for improving system timing margin of high speed i/o (input/output) interconnect links by using fine training of a phase interpolator are described. In some embodiments, i/o links use forward clock architecture to send data from transmit driver to receiver logic.