|| List of recent Sampling-related patents
|Circuit and method for measuring delays between edges of signals of a circuit|
Various aspects of the present invention relate to techniques of measuring delays between edges of signals of a circuit. Alternating signals, synchronous to a first clock, are supplied to a plurality of nodes of the circuit.
|Dma-assisted irregular sampling sequences|
Methods and systems are provided for performing sampling sequences using a control module. One exemplary method involves transferring sampling configuration information for a sampling sequence from memory to a conversion module.
|Sampling of events to use for developing a field-extraction rule for a field to use in event searching|
Embodiments are directed towards generating a representative sampling as a subset from a larger dataset that includes unstructured data. A graphical user interface enables a user to provide various data selection parameters, including specifying a data source and one or more subset types desired, including one or more of latest records, earliest records, diverse records, outlier records, and/or random records.
|Gathering index statistics using sampling|
An approach is provided in which a sample point system allocates sample point identifiers to a root node included an index tree that includes multiple leaf nodes. The sample point system distributes the sample point identifiers to the root node's child nodes, and recursively traverses through the index tree's hierarchical index levels and distributes the sample point identifiers from the child nodes to a subset of the index tree's leaf nodes.
|Budget-aware event information collection during program execution|
Embodiments of techniques and systems for slowdown-budget-aware event information collection are described. In various embodiments, a system may be configured to control collection of information for events associated with execution of a program during execution of the program based on a slowdown cost budget.
|Systems and/or methods for determining item serial number structure and intelligence|
Certain exemplary embodiments relate to techniques for determining the correct item serial number structure, even when information regarding the serial number data and/or structure is lacking. Such techniques advantageously promote data integrity by helping to ensure that the desired data is captured correctly, while also reducing (and sometimes even eliminating) the need to obtain detailed information regarding serial number structure and intelligence that sometimes is guarded by producers/manufacturers.
|Real-time resampling of optical coherence tomography signals using a field programmable gate array|
A signal processing system implemented on a field programmable gate array (fpga) operates according to a low frequency k-clock to sample optical coherence topography (oct) signals, as opposed to relying on a high frequency k-clock to obtain the same information. A resampler is used to resample the oct signal uniformly in the optical frequency domain.
|Near-surface object sensing device and sensing method|
Disclosed is a near-surface object sensing device, including a printed circuit board, a plurality of magnetic sensors arrayed on the printed circuit board to sense the magnetic field of an external magnetic object and generate a magnetic sensing signal, a multiplexer connected to the magnetic sensors for selecting and outputting the magnetic sensing signal, and a microprocessor connected to the multiplexer for receiving the magnetic sensing signal, wherein the microprocessor includes a sampling algorithm module for converting the magnetic sensing signal into a magnetic field distribution image, and a six-dimensional coordinate-calculating module for calculating six-dimensional coordinates of the external magnetic object. The sensing device of the invention is compact, low energy consuming and can accurately provide users with a convenient and intuitive user interface with three dimensional locations and position information in a near-surface space..
|Actuator control apparatus|
An actuator control apparatus includes an analog-digital conversion circuit, a servo circuit, a sampling circuit, and a driving circuit. The analog-digital conversion circuit is configured to sample a position detection signal with a first sampling period, convert the sampled signal into a digital signal, and output the digital signal, the position detection signal outputted from a position sensor corresponding to a position of a control target.
|Method and device for statistical tissue sampling using microdevices|
The present invention utilizes tetherless microtools to biopsy tissue. The invention provides a device and method for deployment and retrieval of tetherless microtools.
|Analyte monitoring system|
An analyte monitoring system, which can be used to monitor blood sugar, is provided with a sensor which detects a plurality of blood sugar levels in blood on the basis of a sampling interval, a meal data setting unit which sets information based on meal contents, and a sampling interval setting unit which sets the sampling interval of the sensor using the information based on meal contents set by the meal data setting unit. By predicting a fluctuation curve of the blood sugar level after a meal by information based on meal contents to thereby change the sampling interval, a fluctuation state of the blood sugar level can be efficiently monitored..
|Auxiliary information map upsampling|
An auxiliary information map (10) is upsampled to form an upsampled auxiliary information map (20). Multiple reference pixels (23) in the upsampled auxiliary information map (20) are selected for a current pixel (21) in the upsampled auxiliary information map (20) based on texel values of texels in an associated texture (30).
|Method and apparatus for spatially scalable video compression and transmission|
A method and apparatus provide the ability to resample video frame into various resolutions, and to predict, quantize, and entropy code the video signal for spatially scalable compression and networking applications. The solution involves a unified re-sampling and estimation-theoretic prediction, quantization, and entropy coding framework, which by design is tailored to allow base layer coding information to be fully accessible and usable by enhancement layers; and for the enhancement layer to account for all available information from both layers for superior compression performance.
|Digital transceiver with switched capacitor sampling mixers and switched capacitor amplifiers|
Examples of a digital transceiver, a switched-capacitor sampling mixer, and an n-stage switched-capacitor amplifier are generally described herein. The digital transceiver may include a plurality of switched-capacitor sampling mixers and a plurality of n-stage switched-capacitor amplifiers.
|Method for asynchronous calculation of network traffic rates based on randomly sampled packets|
A method for calculating rates based on random sampling includes updating at least one state variable when sampled information is received. The method further includes calculating a rate value based on the state variable and the elapsed time since the state variable was previously updated..
|Multi-stage sampling circuit for a power converter controller|
An example controller for a power converter includes a track and hold circuit, a sample and hold circuit, and drive logic. The track and hold circuit receives a signal that is representative of an output voltage of the power converter.
|Detecting method and device for curved surface precision of dish parabolic reflecting mirror|
A method and device for detecting a precision of a dish parabolic reflecting mirror are provided. Accurate coordinate values of positions on an x-axis and a y-axis may be obtained by adjusting and controlling a double helix lifting mechanism, a 360-degree plane rotary mechanism, a telescoping mechanism, and an extension rod, and using a photoelectric position sensor with a high precision and the extension rod being measured.
|Image measuring method and image measuring apparatus|
[solution] an image measuring method according to an embodiment comprises a clock generating step, a noise reducing step, a data acquisition step, a digital data generating step and an image data generating step. In the clock generating step, clock signals are generated.
|Automated focusing, cleaning, and multiple location sampling spectrometer system|
An analysis system includes a moveable focusing lens, a laser (typically an eye safe laser) having an output directed at the focusing lens, and a spectrometer outputting intensity data from a sample. A controller system is responsive to the spectrometer and is configured to energize the laser, process the output of the spectrometer, and adjust the position of the focusing lens relative to the sample until the spectrometer output indicates a maximum or near maximum intensity resulting from a laser output focused to a spot on the sample..
|Automated multiple location sampling analysis system|
An analysis system (e.g., libs) includes a laser source generating a laser beam, a movable optic configured to move said laser beam to multiple locations on a sample, and a spectrometer responsive to photons emitted by the sample at those locations and having an output. A controller is responsive to a trigger signal and is configured in a moving spot cycle to adjust the moveable optic, activate the laser source sequentially generating photons at multiple locations on the sample, and process the spectrometer output at each location..
|Photon beam diffusion|
An efficient numerical method for accurately rendering translucent materials using photon beam diffusion is provided that can account for multilayer materials and directional incident and exitant effects at the surface. In an embodiment, refracted incident light is represented continuously as a photon beam instead of as discrete photons.
|Display device with power source supply scan circuits conducting negative feedback and driving method thereof|
A display device includes a pixel array unit having pixels disposed in a matrix shape, each pixel including an electro-optical element, a write transistor for sampling and writing an input signal voltage, a holding capacitor for holding a signal voltage written by the write transistor, and a driver transistor for driving the electro-optical element in response to the signal voltage held in the holding capacitor. The display device further includes a scan circuit for selectively scanning each pixel in the pixel array unit at a row unit basis, and a plurality of power source supply scan circuits for selectively supplying a first potential and a second potential lower than the first potential to power supply line wired per each pixel row of the pixel array unit to supply current to the driver transistors, synchronously with scanning by the scan circuit..
|Passive amplification circuit and analog-digital convertor|
A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice before carrying out a successive approximation type analog-digital conversion operation.
A jitter monitor includes: a voltage generating circuit configured to generate a first voltage that is varied with time at a predetermined inclination; a voltage reducing circuit configured to reduce the first voltage by a predetermined voltage in synchronization with a first clock signal so as to generate a second voltage that is varied with time at the predetermined inclination in synchronization with the first clock signal; and a sampling circuit configured to sample a portion having the predetermined inclination of the second voltage.. .
|Digital clock placement engine apparatus and method with duty cycle correction and quadrature placement|
A digital clock placement engine has circuitry that adjusts a duty cycle of a clock signal and adjusts the locations of the rising/falling edges of the clock signal for purposes of data sampling or other operations. In a forwarded-clock interface implementation, a clock signal is received along with a data signal, and the received clock signal may be distorted to due various factors.
|Systems and methods for real-time sampling and analysis of biomolecules beneath the surface of biological tissue|
Provided are systems and methods for real-time sampling and analysis of biomolecules beneath the surface of biological/agricultural tissue/sample. A method for determining fatty acid profiles in agricultural products (for example, seeds) comprises using matrix-assisted laser desorption ionization (maldi) mass spectroscopy or laser ablation electrospray ionization (laesi) mass spectroscopy.
|Apparatus for storage and sampling of de-ionized water samples and the like|
A container is provided for the storage and sampling of aqueous samples, such as deionized water samples. The container comprises an enclosure with an open mouth portion that is sealed via a needle penetratable septa.
|Method for determining fracture plane orientation using passive seismic signals|
A method for determining fracture plane orientation from seismic signals detected above a subsurface formation of interest includes detecting seismic signals using an array of seismic sensors deployed above the subsurface formation during pumping of a hydraulic fracture treatment of the subsurface formation. A time of origin and a spatial position of origin (hypocenter) of microseismic events resulting from the hydraulic fracture treatment are determined.
|Drilling fluid sampling system and sampling heat exchanger|
A system for sampling drilling fluid to identify one or more species of interest within the drilling fluid includes a heat exchanger. The heat exchanger has a first fluid passage and a second fluid passage.
|Material sampling device|
The invention provides material sampling devices and methods of using the material sampling devices. In a general aspect, the material sampling device includes a material sampling device including a rotator, an auger, and a sample containment tube.
|Method of analyzing a petroleum reservoir|
A method of evaluating a gradient of a composition of materials in a petroleum reservoir, comprising sampling fluids from a well in the petroleum reservoir in a logging operation, measuring an amount of contamination in the sampled fluids, measuring the composition of the sampling fluids using a downhole fluid analysis, measuring an asphaltene content of the sampling fluids at different depths; and fitting the asphaltene content of the sampling fluids at the different depths to a simplified equation of state during the logging operation to determine the gradient of the composition of the materials in the petroleum reservoir.. .
|Systems and methods for improving server and client performance in fingerprint acr systems|
A system and method are disclosed that improve the efficiency and performance of an automatic content recognition (acr) system. Several approaches are described that may be used alone or in combination to reduce total system computational costs related to the manner in which such an acr means takes samples, called “fingerprints,” of digital content being played by a television display device and transmits said fingerprints to a remote server to be compared to a database of fingerprints from known programming.
|One-time programmable integrated circuit security|
One-time programmable integrated circuit security is described. An example of a method of protecting memory assets in an integrated circuit includes sampling values of multiple otp memory arrays and comparing the sampled value of each otp memory array with the sampled value of each other otp memory array and with an unprogrammed otp memory array value.
|Device and method for performing timing analysis|
A device for performing timing analysis used in a programmable logic array system is provided. The device comprises first and second basic i/o terminals, a channel multiplexer, high-speed i/o terminals, a sampling module and a timing analysis module.
|System and method for asynchronous event reporting|
Systems and methods for event reporting are provided. In a method for event reporting in a system that includes an event source and a plurality of event consumers, notifications from the event source are received at an event reporter.
|Mesh delivery system|
A mesh delivery system for controlling electricity supplied to one or more electrical devices from a power source are disclosed. Signals relating to characteristics of the electrical devices are uniformly or non-uniformly sampled at discrete intervals are provided along with associated sampling time indications via the mesh network to a destination controller.
|Systems and methods for inverted beamforming|
Systems and methods for time-delay inverted beamforming are provided. One method includes sampling, substantially uniformly in time, a set of continuous-time element signals to form a set of sampled element signals and mapping, for each sampled element signal, one or more samples substantially equally spaced in time to one or more samples non-equally spaced in time corresponding to the respective contribution of each element signal to a continuous-time beamsum signal.
|Systems and methods for gathering information about discrete wireless terminals|
The present invention is broadly directed to systems and methods for gathering information about wireless transceiver devices in a defined boundary region. To this end, the disclosure is more particularly directed to gathering movement information (e.g., via detection and location) about two-way end-user wireless terminals within three-dimensional boundaries of defined local space (“dls”) to allow for selective control of the terminals and other subsystems, as desired.
|Mobile phone to appliance communication via audio sampling|
The present subject matter relates to systems and methodologies for communicating between an appliance and a mobile device using audio signaling. An appliance is provided with an audio generating device controlled by a processor to cause the audio device to produce encoded sounds.
|Procedure and automatic apparatus for in vitro blood coagulation diagnostic tests|
Apparatus and processes for automated diagnostic testing may include cuvette dispensing, test sample dispensing, reagent dispensing, incubation, photo-optical measuring, and a control in operative communication with the cuvette dispensing unit, the test sample dispenser, the reagent dispenser, the incubation unit, and the measuring unit. A cuvette removal location, a reagent removal location, a measuring location, and a collection receptacle may be situated along a first common circular arc having first geometric center.
|Method and apparatus for wideband spectrum sensing using compressive sensing|
Disclosed is a method for wideband spectrum sensing using compressive sensing, the method including: acquiring a sampling signal by applying a modulated wideband converter (mwc) to a received signal; and acquiring a restoration signal corresponding to the received signal by using a compressive sensing restoration algorithm from the sampling signal, and a mixing signal multiplied by the received signal at the time of applying the mwc, as a signal transformed from a first mixing signal having a periodic waveform, includes a second mixing signal to remove a partial frequency area from the received signal through the application of the mwc.. .
|Dynamically determining packet sampling rates|
For dynamically determining packet sampling rates, a method including setting a packet sampling rate for one or more switch ports, collecting for an interval of time a plurality of statistics for the one or more switch ports, and adjusting the packet sampling rate in response to one or more of the plurality of statistics.. .
|Magnetic disk device and method of controlling magnetic heads|
According to one embodiment, a magnetic disk device includes: magnetic heads; a magnetic disk in which servo patterns having different write frequencies from one another are divided and recorded into a plurality of zones; and a head controller configured such that, when performing seek control of the magnetic heads based on a model position and a model velocity obtained from a model which simulates the magnetic heads, the head controller corrects the model position and the model velocity, at the time of switching of the zones, so as to reflect variation of sampling time resulting from gaps between the zones.. .
|Red-eye filter method and apparatus|
A digital image acquisition system having no photographic film, such as a digital camera, has a flash unit for providing illumination during image capture and a red-eye filter for detecting a region within a captured image indicative of a red-eye phenomenon, the detection being based upon a comparison of the captured image and a reference image of nominally the same scene taken without flash. In the embodiment the reference image is a preview image of lower pixel resolution than the captured image, the filter matching the pixel resolutions of the captured and reference images by up-sampling the preview image and/or sub-sampling the captured image.
|System and method for estimating the position and orientation of an object using optical beacons|
A system and method for determining the position and orientation of an object within an environment using optical beacons placed at known locations within the environment. The optical beacons are received by an imaging device mounted on the object to be positioned, the system derives the position and orientation of the object from data associated with the pixel locations of the beacons within images, the identity of the beacons within images, and the positions of the beacons within the environment.
|Multi-dimensional multi-finger search using oversampling hill climbing and descent with range|
A method for detecting and tracking multiple fingers in a two dimensional set of results using oversampling hill climbing and descent with range.. .
|Device and method for touch detection on a display panel|
Discussed herein is an information processing apparatus that detects a touch input at a touch panel disposed on or formed integrally with a display panel, performs sampling of the detected touch position and utilizes a predictive filter to estimate the coordinates of the touch position. The apparatus comprises a controller that actuates the predictive filter based on the application being executed and updates the display panel with the estimated coordinates when a predetermined condition is satisfied..
|Systems and methods for providing a pipelined analog-to-digital converter|
Systems comprising: a first mdac stage comprising: a sub-adc that outputs a value based on an input signal; at least two reference capacitors that are charged to a vref; at least two sampling capacitors that are charged to a vin; and a plurality of switches that couple the at least two reference capacitors so that they are charged during a sampling phase, that couple the at least two sampling capacitors so that they are charged during the sampling phase, that couple at least one of the reference capacitors so that it is parallel to one of the at least two sampling capacitors during a hold phase, and that couple the other of the at least two sampling capacitors so that it couples the at least one of the reference capacitors and the one of the at least two sampling capacitors to a reference capacitor of a second mdac stage.. .
|High throughput pulse height analyzer|
A method and system for acquiring spectral information from an energy sensitive nuclear detector is disclosed. The method includes detecting nuclear radiation at a detection device and generating an electronic input pulse indicative of energy deposited in the detection device.
|Precious metal authentication system and method|
Structures, systems, and methods verify the authenticity of a precious metal unit. A “ping bar” is designed to have a distinctive sound only if authentic and unadulterated.
The invention relates to low flow rate cascade impactors for sampling aerosols, notably but not limited to pharmaceutical aerosols. The impactor stages serve as both orifice plate and collecting cup, simplifying collection and analysis.
|Content-based control system|
Generally this disclosure describes a method for controlling the operation of a system based on a determination of content that is airing on a channel. A method may include transmitting at least one message including instructions to sample content from a channel, receiving a message indicating that certain content on the channel is complete, and activating a notification indicating that the certain content on the channel is complete.
|Buffer pool extension for database server|
Aspects of the subject matter described herein relate to a buffer pool for a database system. In aspects, secondary memory such as solid state storage is used to extend the buffer pool of a database system.
|Data sampling alignment method for memory inferface|
The present disclosure relates to an interface comprising a memory controller and a memory unit coupled to the memory controller and configured to communicate with the memory controller through a first signal and a second signal. The interface further comprises a determination unit comprising judgment logic configured to send a control signal configured to align the first signal with the second signal.
|Efficient activity classification from motion inputs|
A device worn by a human performing a method using accelerometer data to classify human activities is disclosed. The method uses memory and computation efficiently.
|Sampling transactions from multi-level log file records|
A log file contains operation records, each operation record is of a certain type, and each operation record is associated with a transaction. A plurality of operation records is read from the log file into a record store.
|Method and system for transmitting audio signal|
A method and a system for transmitting an audio signal are provided. The system includes a transmission device and a receiving device communicating with the transmission device via a network.
|Smart data sampling and data reconstruction|
A computer-based method for characterizing data dependent on at least one variable is described. The method comprises sampling the data in a smart manner by sampling the data in a finite sequence of sampling points, the finite sequence of sampling points being controlled by a magnifying factor for controlling a spacing between elements of the finite sequence of sampling points and being determined such that function values of functions of a family of functions in said finite sequence of sampling points satisfy a recurrence relation.
|Synchronizing data from irregularly sampled sensors|
A system and method include receiving a set of sampled measurements for each of multiple sensors, wherein the sampled measurements are at irregular intervals or different rates, re-sampling the sampled measurements of each of the multiple sensors at a higher rate than one of the sensor's set of sampled measurements, and synchronizing the sampled measurements of each of the multiple sensors.. .
|Chip performance monitoring system and method|
Disclosed are a chip performance monitoring system, method and a computer program product, wherein a performance monitor output signal is propagated through an adjacent scan chain to avoid signal degradation incident to across-chip transmission of high frequency signals. Since the clock signal frequency used to control signal propagation through the scan chain will typically be less than twice the performance monitor output signal frequency, frequency sub-sampling with aliasing occurs.
|Novel digital signal processing method for measurement of ac voltage with power converters at light load operation|
An observation is made that the peak voltage value for a rectified ac voltage signal is substantially the same from cycle to cycle. Using this observation, a method of measuring an ac voltage is used to determine a more accurate rms voltage value under light load conditions.
|Syringe enabled for aspirating blood into a sampling site in a closed manner and method|
An in-line sampling syringe for selectively introducing and aspirating a fluid from a downstream fluid conduit connected to a catheterized patient. The syringe includes a housing with a distal component defining a distal chamber having a proximal opening and a distal outlet port to be coupled to a downstream fluid conduit; and a pair of proximal wall components assembled together in an airtight manner defining a proximal chamber having a proximal opening for coupling to an external source of fluid and a distal opening that is coupled to the proximal opening of the distal component.
|Active chemically-sensitive sensors with correlated double sampling|
Methods and apparatus relating to fet arrays for monitoring chemical and/or biological reactions such as nucleic acid sequencing-by-synthesis reactions. Some methods provided herein relate to improving signal (and also signal to noise ratio) from released hydrogen ions during nucleic acid sequencing reactions..
The invention relates to a superheterodyne receiver, comprising: a sampling mixer being configured to sample an analog radio frequency signal using a certain sampling rate (fs) to obtain a discrete-time sampled signal, and to shift the discrete-time sampled signal towards a first intermediate frequency (. .
|Method and apparatus for localization of an acoustic source and acoustic beamforming|
Embodiments include a method and an apparatus for the localization of at least one source of an acoustic signal including: temporally sampling the acoustic signal with a plurality of microphones to obtain a (d+1)-dimensional space-time matrix representation of the acoustic signal, wherein d is the number of spatial dimensions, applying a (d+1)-dimensional fourier transform to the matrix representation, determining a first peak in a spectrum obtained based on the application of the fourier transform, and calculating the direction of arrival of the acoustic signal at at least one of the plurality of microphones based on the determined first peak.. .
|Method and apparatus for improved sampling resolution in x-ray imaging systems|
The present invention pertains to an apparatus and method for x-ray imaging wherein a radiation source comprising rows of discrete emissive locations can be positioned such that these rows are angularly offset relative to rows of sensing elements on a radiation sensor. A processor can process and allocate responses of the sensing elements in appropriate memory locations given the angular offset between source and sensor.
|Receiver with dual clock recovery circuits|
A receiver derives the desired data sampling clock phase by averaging the phase information of transitions before and after a data eye. The average of the phase information reduces data clock phase error due to variations in the phases of transitions in received data signals depending on the polarity and positions of the transitions..
|Demodulator for frequency-shift keyed signals by using the goertzel algorithm|
With the sampling frequency fs and the specified frequency fg. To reduce the mathematical complexity in feed-power-limited devices, it is proposed that the sampling frequency fs is an integral multiple of the frequency fg of a specified discrete spectral component..
|Method and apparatus for reporting downlink channel state|
A method of reporting a channel state to a base station supporting downlink multiple input multiple output in a wireless communication system includes measuring a downlink channel based on a downlink signal received from the base station, and reporting a codebook index for precoding of the downlink signal according to the measurement of the downlink channel. The codebook for precoding includes an improved codebook (hereinafter, referred to as an improved 4tx codebook) having a dual structure composed of a codebook for wideband and a codebook for subband, for 4 transmit (4tx) antenna ports, and the improved 4tx codebook includes sub-codebooks obtained by sub-sampling the codebook for subband according to priority..
|Method and apparatus for encoding an image into a video bitstream and decoding corresponding video bitstream using enhanced inter layer residual prediction|
A method for encoding an image of pixels and for decoding a corresponding bit stream is described. More particularly, it concerns residual prediction according to a spatial scalable encoding scheme.
|Method and apparatus for eliminating the effects of frequency offsets in a digital communication system|
The present invention aims at eliminating the effects of frequency offsets between two transceivers by adjusting frequencies used during transmission. In this invention, methods for correcting the carrier frequency and the sampling frequency during transmission are provided, including both digital and analog implementations of such methods.
|Control circuit for switching power converters with synchronous rectifiers|
A control circuit for switching power converters with synchronous rectifiers is disclosed for providing start-up and shut-down protection. The control circuit for switching power converters with synchronous rectifiers includes a means for blocking the driving signals to the synchronous rectifiers, a voltage sampling circuit, a reference voltage, and a comparator.
|Three-dimensional image sensing device and method of sensing three-dimensional images|
A three-dimensional image sensing device includes a light source, a sensing module, and a signal processing module. The sensing module includes a pixel array, a control unit, and a light source driver.