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2101results about How to "Reduce signaling" patented technology
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Systems and methods of monitoring a patient through frequency-domain photo migration spectroscopy
InactiveUS20120165629A1Reduce signalingReduce dependenceCatheterDiagnostic recording/measuringSpectroscopyClinical tests
FDPM processing provides an amplitude signal and a phase signal at a modulation frequency to improve measurement fidelity during measurement of one or more blood parameters. In an embodiment, a light source modulates light at a modulation frequency around 200 MHz to produce an amplitude and phase plethysmograph, usable to access clinical test data.
Owner:MASIMO CORP
Adaptive time diversity and spatial diversity for OFDM
InactiveUS6985434B2Gain is assured with time diversityReduce signalingSpatial transmit diversityMultiple modulation transmitter/receiver arrangementsCarrier signalData rate
An adaptable orthogonal frequency-division multiplexing system (OFDM) that uses a multiple input multiple output (MIMO) to having OFDM signals transmitted either in accordance with time diversity to reducing signal fading or in accordance with spatial diversity to increase the data rate. Sub-carriers are classified for spatial diversity transmission or for time diversity transmission based on the result of a comparison between threshold values and at least one of three criteria. The criteria includes a calculation of a smallest eigen value of a frequency channel response matrix and a smallest element of a diagonal of the matrix and a ratio of the largest and smallest eigen values of the matrix.
Owner:APPLE INC
Method, system and apparatus for dark-field reflection-mode photoacoustic tomography
InactiveUS20060184042A1Enhance the imageMinimize interferenceCatheterDiagnostics using tomographyUltrasonic sensorAcoustic wave
The present invention provides a method, system and apparatus for reflection-mode microscopic photoacoustic imaging using dark-field illumination that can be used to characterize a target within a tissue by focusing one or more laser pulses onto a surface of the tissue so as to penetrate the tissue and illuminate the target, receiving acoustic or pressure waves induced in the target by the one or more laser pulses using one or more ultrasonic transducers that are focused on the target and recording the received acoustic or pressure waves so that a characterization of the target can be obtained. The target characterization may include an image, a composition or a structure of the target. The one or more laser pulses are focused with an optical assembly of lenses and / or mirrors that expands and then converges the one or more laser pulses towards the focal point of the ultrasonic transducer.
Owner:TEXAS A&M UNIVERSITY
Systems and methods of beamforming in radio frequency identification applications
InactiveUS7652577B1Increased read rangeImprove reliabilitySensing record carriersBurglar alarm by hand-portable articles removalDistributed structureEngineering
Systems and methods for beamforming in radio frequency identification (RFID) applications are disclosed. A beamforming system uses a distributed architecture and techniques for antenna beamforming using a feedback control loop to direct radio frequency (RF) energy onto a specific region, referred to as an interrogation zone, which includes a calibration node where one or more RFID tags may be located. The distributed architecture of the beamforming system is resistant to fading and shadowing effects, providing accurate RFID reader operation even in environments with multi-path reflections or environmental changes, such as people moving around or changes in the location of equipment.
Owner:WIRAMA CORP +1
Micropressors, devices and methods for use in analyte monitoring systems
ActiveUS20060074564A1Easy to optimizeReduce lag timeSensorsBiological testingAnalyteMonitoring system
The present invention comprises one or more microprocessors programmed to execute methods for improving the performance of an analyte monitoring device including prediction of glucose levels in a subject by utilizing a predicted slower-time constant (1 / k2). In another aspect of the invention, pre-exponential terms (1 / c2) can be used to provide a correction for signal decay (e.g., a Gain Factor). In other aspects, the present invention relates to one or more microprocessors comprising programming to control execution of (i) methods for conditional screening of data points to reduce skipped measurements, (ii) methods for qualifying interpolated / extrapolated analyte measurement values, (iii) various integration methods to obtain maximum integrals of analyte-related signals, as well as analyte monitoring devices comprising such microprocessors. Further, the present invention relates to algorithms for improved optimization of parameters for use in prediction models that require optimization of adjustable parameters.
Owner:ANIMAS TECH +1
System and method for reducing latency in call setup and teardown
ActiveUS8144591B2Reduce signalingLower latencyError preventionFrequency-division multiplex detailsDistributed computingCall setup
Systems and methods for reducing latency in call setup and teardown are provided. A network device with integrated functionalities and a cache is provided that stores policy information to reduce the amount of signaling that is necessary to setup and teardown sessions. By handling various aspects of the setup and teardown within a network device, latency is reduced and the amount of bandwidth needed for setup signaling is also reduced.
Owner:CISCO TECH INC
System for inductive power transfer
InactiveUS20080238364A1Efficiently transfer powerSufficient operationElectric powerExchanging data chargerAudio power amplifierTransfer system
An inductive power transfer system including a synchronous drive system having a resonance control module. The resonance control module includes a primary coil module with a primary LC circuit. The resonance control module seeks and detects the resonant frequency of the primary LC circuit. The synchronous drive system further includes a switching coil amplifier for selectively energizing the primary coil to keep the primary LC circuit operating at or as close as possible to its natural resonant frequency. The inductive power transfer system may further include a secondary receiving unit. The secondary receiving unit includes a secondary LC circuit coupled with the primary LC circuit for inductively receiving power. The secondary LC circuit includes an LC filter and a rectifier unit for operating the secondary LC circuit at a mutual resonance with the primary LC circuit.
Owner:VISTEON GLOBAL TECH INC
Micropressors, devices and methods for use in analyte monitoring systems
ActiveUS20060063218A1Reduce lag timeImprove usabilityMicrobiological testing/measurementSensorsAnalyteMonitoring system
The present invention comprises one or more microprocessors programmed to execute methods for improving the performance of an analyte monitoring device including prediction of glucose levels in a subject by utilizing a predicted slower-time constant (1 / k2). In another aspect of the invention, pre-exponential terms (1 / c2) can be used to provide a correction for signal decay (e.g., a Gain Factor). In other aspects, the present invention relates to one or more microprocessors comprising programming to control execution of (i) methods for conditional screening of data points to reduce skipped measurements, (ii) methods for qualifying interpolated / extrapolated analyte measurement values, (iii) various integration methods to obtain maximum integrals of analyte-related signals, as well as analyte monitoring devices comprising such microprocessors. Further, the present invention relates to algorithms for improved optimization of parameters for use in prediction models that require optimization of adjustable parameters.
Owner:ANIMAS TECH +1
Imaging system and method for providing extended depth of focus, range extraction and super resolved imaging
InactiveUS7646549B2Improving geometrical resolutionIncrease depth of focusSemiconductor/solid-state device manufacturingDiffraction gratingsImaging lensField of view
Owner:BRIEN HOLDEN VISION INST (AU)
Picture coding supporting block partitioning and block merging
ActiveUS20130287116A1Improve coding efficiencyOverhead signaling is reducedColor television with pulse code modulationColor television with bandwidth reductionComputer architectureBitstream
A further coding efficiency increase may be achieved if for a current block of a picture, for which the bit stream signals one of supported partitioning patterns, a reversal of the partitioning by block merging is avoided. In particular, if the signaled one of the supported partitioning patterns specifies a subdivision of the block into two or more further blocks, a removal of certain coding parameter candidates for all further blocks, except a first further block of the further blocks in a coding order, is performed. Particularly, those coding parameter candidates are removed from the set of coding parameter candidates for the respective further block, the coding parameters of which are the same as coding parameters associated with any of the further blocks which, when being merged with the respective further block, would result in one of the supported partitioning pattern. This avoids redundancy between partitioning coding and merging coding.
Owner:GE VIDEO COMPRESSION LLC
Inspection system, inspection method, and method for manufacturing semiconductor device
InactiveUS7112952B2Reduce in quantityImprove throughputTesting sensing arrangementsSemiconductor/solid-state device testing/measurementPosition controlSemiconductor
Owner:SEMICON ENERGY LAB CO LTD
Dual microphone noise reduction for headset application
ActiveUS20080037801A1Reduce noiseReduce environmental noiseTwo-way loud-speaking telephone systemsMicrophonesEngineeringNoise reduction
Improved vocal signals are obtained in headsets and similar devices by including a microphone inside a chamber formed at least in part by the wearer's ear. This second microphone provides a reduced noise input signal. The reduced noise signal is corrected by input from another microphone, located outside the chamber. This correction can include echo cancellation, spectral shaping, frequency extension, and the like.
Owner:QUALCOMM TECH INT
System and method for atrial autocapture in single-chamber pacemaker modes using far-field detection
InactiveUS6101416AReduce noiseReduce signalingHeart stimulatorsDiagnostic recording/measuringCardiac pacemaker electrodeSingle Chamber Pacemaker
An implantable pacemaker automatically verifies atrial capture and performs atrial stimulation energy assessment when atrial capture is absent. The pacemaker delivers a stimulation pulse in the atrial chamber of the heart and samples the resulting far-field signal from the ventricular chamber during a predetermined far-field interval window. The pacemaker then compares the far-field signal sample to a predetermined far-field signal recognition template. If the far-field signal sample is approximately equal to the far-field signal recognition template, then atrial capture is deemed verified; otherwise, the pacemaker performs an atrial stimulation energy determination. Optionally, the pacemaker automatically determines the timing of the far-field interval window and defines the far-field signal recognition template.
Owner:PACESETTER INC
Software configurable distributed antenna system and method for reducing uplink noise
ActiveUS20140072064A1Enhance cost-effectiveness and flexibility and system performanceReduce noiseSite diversitySpatial transmit diversityDistributed antenna systemEngineering
A distributed antenna system includes a master unit including a downlink RF input operable to receive an RF input signal from a downlink port of a base station, a first optical port, and a second optical port. The distributed antenna system also includes a first remote unit coupled to the first optical port. The first remote unit comprises a downlink antenna port and a first uplink antenna port and a second remote unit coupled to the second optical port of the master unit. The second remote unit comprises a downlink antenna port and a second uplink antenna port. The master unit is operable to transmit a first RF signal associated with the first RF uplink signal to a first uplink port of the base station and transmit a second RF signal associated with the second RF uplink signal to a second uplink port of the base station.
Owner:DALI WIRELESS
Method of reducing injury to mammalian cells
InactiveUS20050059597A1Attenuated downstream NMDAR signalingReduced infarct volumeNervous disorderCell receptors/surface-antigens/surface-determinantsNR1 NMDA receptorN methyl D aspartate receptors
A method of inhibiting the binding between N-methyl-D-aspartate receptors and neuronal proteins in a neuron is disclosed. The method comprises administering to the neuron an effective inhibiting amount of a peptide replacement agent for the NMDA receptor or neuronal protein interaction domain that effect said inhibition of the NMDA receptor—neuronal protein interaction. The method is of value in reducing the damaging effect of injury to mammalian cells. Postsynaptic density-95 protein (PSD-95) couples neuronal N-methyl-D-aspartate receptors (NMDARs) to pathways mediating excitotoxicity, ischemic and traumatic brain damage. This coupling was disrupted by transducing neurons with peptides that bind to modular domains on either side of the PSD-95 / NMDAR interaction complex. This treatment attenuated downstream NMDAR signaling without blocking NMDAR activity, protected cultured cortical neurons from excitotoxic insults, dramatically reduced cerebral infarction volume in rats subjected to transient focal cerebral ischemia, and traumatic brain injury (TBI) in rats.
Owner:NONO INC
Radio resource control method in mobile communication system, and mobile communication system
InactiveUS20060111110A1Reducing mobile measurementReduce signalingAssess restrictionRadio/inductive link selection arrangementsCommunications systemMobile communication systems
The invention relates to a radio resource control method, a mobile communications system and a network element implementing the method. According to the invention, the cell change procedures performed by the user equipment in an idle state are controlled dynamically with control information that is adjusted according to a predetermined time pattern. The invention enables for instance an advanced cell change in an idle state, thus reducing the probability of a handover while the user equipment is in a dedicated connection to the network.
Owner:NOKIA TECHNOLOGLES OY
Hall sensor array for measuring a magnetic field with offset compensation
InactiveUS6768301B1Less complicated to manufactureReduce signalingSolid-state devicesMagnetic field measurement using galvano-magnetic devicesSensor arrayVoltage source
A Hall sensor array for offset-compensated magnetic field measurement comprises a first and at least one additional pair of Hall sensor elements. Each Hall sensor element has four terminals, of which two act as power supply terminals for supplying an operating current and two act as measurement terminals for measuring a Hall voltage. Respective first supply terminals of each Hall sensor element are connected together and to a first terminal of a common voltage source and respective second supply terminals of each Hall sensor element are connected together and to a second terminal of the common voltage source so that the common voltage source supplies an operating current for the Hall sensor elements. The Hall sensor elements are operated in the spinning current mode so that the offset voltages of the Hall sensor elements approximately cancel one another out in a revolution so that the Hall signal contributions which actually depend on the magnetic field remain.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
Color filter touch sensing substrate and display panel and manufacturing methods of the same
ActiveUS20100149117A1Small touch sensing areaReduce decreaseVessels or leading-in conductors manufactureNon-linear opticsTouch SensesEngineering
A manufacturing method of a color filter touch sensing substrate is provided. Firstly, a first film is formed on a substrate. The first film includes a plurality of first and second touch sensors and a plurality of first bridge lines for electrically connecting the first touch sensors in the same column. Then, a second film is formed on the substrate. The second film includes a plurality of second bridge lines for electrically connecting the second touch sensors in the same row. Next, a light shielding pattern layer is formed between the first and the second films. The light shielding pattern layer is used to define a plurality of sub-pixel regions on the substrate. Afterward, a plurality of color filter pattern layers is formed in the sub-pixel regions. Furthermore, a color filter touch sensing substrate, a display panel and manufacturing methods thereof are also provided.
Owner:AU OPTRONICS CORP
White point adjusting method, color image processing method, white point adjusting apparatus and liquid crystal display device
InactiveUS6862012B1Highly accurate convergenceImprove accuracyColor signal processing circuitsCathode-ray tube indicatorsLiquid-crystal displayComputer graphics (images)
A white point adjusting apparatus is provided to adjust an achromatic color level for an input video signal including a plurality of color signals, and display an adjusted image on a liquid crystal module. This adjusting apparatus comprises: a first table for setting a white point by deciding an offset quantity of at least one color signal from a highest gray level for each color temperature; a second table for setting an offset quantity of the color signal to converge a halftone white point for each color temperature set by the first table; and a white point adjusting unit for adding the offset quantities set by the first and second tables and to the input video signal.
Owner:AU OPTRONICS CORP
ShotwatchTM
ActiveUS20060199659A1Promote resultsEnhance muscle memoryBall sportsGolfing accessoriesMonitoring systemEngineering
A swing monitoring system in the form of a wrist mounted unit which includes multi-function instrumentation with extremely high degrees of precision that monitors a plurality of critical components of the swing of a golf club, tennis racquet, baseball bat hockey stick or the like. In particular, motion sensors that discriminate finite changes in the timing and speed of the swing are disposed in a housing mounted on a wrist bank analogous to a common wrist watch or timepiece. In addition, sensors are disposed in the wrist strap for detecting changes in grip pressure during the act of swinging any of the above mentioned equipment. The detected parameters are displayed on a LCD which is part of the instrumentation. Desired parameters can be saved in memory and the components of subsequent swing are compared to those saved, and if they are different, an audible alarm or signal is activated. The exactness of the subsequent trail swings relative to those saved in memory is a function of the handicap or other self designated indicator of skill level of the user.
Owner:CALDWELL THEODORE WEISSENBURGER
Imaging analyzer for testing analytes
PendingUS20120046203A1Eliminate needLowering cost and complexityHeating or cooling apparatusComponent separationMicro levelMolecular targets
The invention provides analyzers that improve tests for detecting specific cellular, viral, and molecular targets in clinical, industrial, or environmental samples. The invention permits efficient and specific selection and sensitive imaging detection of individual microscopic targets at low magnification. Automated embodiments allow efficient walk-away, on-demand, random-access high-throughput testing. The analyzers perform tests without requiring wash steps thus streamlining engineering and lowering costs. Thus, the invention provides analyzers that can deliver rapid, accurate, and quantitative, easy-to-use, and cost-effective tests for analytes.
Owner:FIRST LIGHT BIOSCI INC
System and method for providing efficient signaling for a positioning request and an indication of when a mobile station becomes available for location services
InactiveUS6181934B1Increases signaling trafficReducing network efficiencyRadio/inductive link selection arrangementsWireless commuication servicesTelecommunicationsMobile station
A telecommunications system and method is disclosed for reducing the unnecessary signaling for positioning requests involving a Mobile Station (MS) when that MS does not respond to paging requests or is purged from the network, e.g., not registered with a Mobile Switching Center / Visitor Location Register. When a positioning request for a particular MS is received at a serving MSC and the MS does not respond to a paging request, the serving MSC sets a "Subscriber Not Responding to Location Services" (SNRLS) flag, which is used by the serving MSC to avoid unnecessarily sending a new paging request for the same MS. In addition, the serving MSC sends a rejection message to a Gateway Mobile Location Center (GMLC) that sent the positioning request, which includes an unavailable notification indicating that the MS cannot be reached. The GMLC sets an "MS Subscriber Not Present" flag based upon this notification to avoid sending further positioning requests for that MS.
Owner:UNWIRED PLANET
Application control at a policy server
InactiveUS20070118881A1Reduce signalReduce signalingDigital data processing detailsUser identity/authority verificationControl parametersSOAP
A packet-based communication system comprises first and second endpoints, an application manager and a policy server. When establishing a connection between the endpoints the application manager sends, to the policy server, application control related information about the required connection. The policy server then selects at least one application control parameter, such as a codec to be used by the endpoints, and returns this information to the application manager. The application control information can be carried between the application manager and policy server by an application control protocol, such as the Session Initiation Protocol (SIP), or by modified forms of policy control protocols such as the Common Open Policy Service (COPS), Diameter, SOAP / XML or Parlay.
Owner:GENBAND US LLC
Multiple-element antenna array for communication network
ActiveUS20070205955A1Mitigating signal pattern asymmetryReduce in quantitySimultaneous aerial operationsRadiating elements structural formsRadio frequencyLinearity
An antenna array includes four closely spaced, linearly arranged antenna columns. At least two of the columns, e.g., the center two columns, are dual-polarized. Spacing between neighboring columns is about ½λ, where λ is the free space wavelength at the network carrier frequency. Each column includes a first vertical linear array of radiating elements or groups of elements (sub-arrays) connected to a port. The dual-polarized columns each further include a second linear array of radiating elements oriented at a different polarization than the first array. (For example, horizontal / vertical or slant 45°.) Array ports are connected with four RF feed cables using duplexers in such a way so as to provide two different antenna configurations for forward link and reverse link frequencies, namely, a four-column closely spaced beam-forming array at the forward link and a two-column dual-polarized array at the reverse link for 4-branch diversity reception.
Owner:ALCATEL-LUCENT USA INC
Multiple input multiple output (MIMO) wireless communications system
ActiveUS7333455B1Minimize waterMinimize ground bounce nullPower managementModulated-carrier systemsPolarization diversityFrequency spectrum
A wireless broadband communications system that can transmit signals over communications links with multiple modes of diversity, thereby allowing signals having very low correlation to propagate over the link along multiple orthogonal paths. The system can be implemented as a non-line-of-sight (NLOS) system or a line-of-sight (LOS) system. The NLOS system employs orthogonal frequency division modulation (OFDM) waveforms to reduce multi-path interference and frequency selective fading, adaptive modulation to assure high data rates in the presence of channel variability, and spectrum management to achieve increased data throughput and link availability. The LOS system employs space-time coding and spatial and polarization diversity to minimize ground bounce nulls. The system achieves levels of link availability, data throughput, and system performance that have heretofore been unattainable in wireless broadband communications systems.
Owner:MOTOROLA SOLUTIONS INC
Magnetic tape device and head tracking servo method
ActiveUS9978414B1Prevent occurrenceImprove accuracyMagnetic materials for record carriersAlignment for track following on tapesTransmission electron microscopyMagnetic layer
The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m / sec, the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic hexagonal ferrite powder, non-magnetic powder, and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, and a tilt cos θ of the ferromagnetic hexagonal ferrite powder with respect to a surface of the magnetic layer acquired by cross section observation performed by using a scanning transmission electron microscope is 0.85 to 0.95.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS9984716B1Avoid it happening againImprove accuracyProtective coatings for layersTape carriersMagnetic tapeX-ray
The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m / sec, the servo head is a TMR head, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, the magnetic layer includes one or more components selected from the group consisting of fatty acid and fatty acid amide, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on a surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS9972351B1Avoid it happening againImprove accuracyAlignment for track following on tapesRecord information storageMagnetic tapeEngineering
The magnetic tape device including: a magnetic tape; and a servo head, in which the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, and logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding a surface of the magnetic layer is equal to or smaller than 0.050.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS10008230B1Improve accuracyExact reproductionProtective coatings for layersFilamentary/web record carriersMagnetic tapeFull width at half maximum
The magnetic tape device includes: a magnetic tape; and a servo head, in which the servo head is a TMR head, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder, a binding agent, and fatty acid ester on the non-magnetic support, the magnetic layer includes a servo pattern, full widths at half maximum of spacing distribution measured by optical interferometry regarding a surface of the magnetic layer before and after performing a vacuum heating with respect to the magnetic tape are greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between a spacing measured by optical interferometry regarding the surface of the magnetic layer after performing the vacuum heating with respect to the magnetic tape and a spacing measured before performing the vacuum heating is greater than 0 nm and equal to or smaller than 9.0 nm.
Owner:FUJIFILM CORP
Proximity detector
ActiveUS7199579B2Accurate trackingReduce signalingMagnetic property measurementsUsing electrical meansEngineeringOperation mode
A proximity detector includes a fine DAC and a coarse DAC, outputs of which are summed to provide a tracking signal for tracking a magnetic field signal. The proximity detector provides two mode of operation. In a first mode of operation the coarse and fine DACs operate in combination as one higher order DAC. In a second mode of operation, the coarse DAC is provided with one or more extra counts, allowing the tracking signal to move more rapidly to track a rapidly changing magnetic field signal. In another embodiment, the proximity detector also includes an offset circuit for bringing at least one of the magnetic field signal and the tracking signal towards the other one of the magnetic field signal and the tracking signal.
Owner:ALLEGRO MICROSYSTEMS INC
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