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41results about How to "Signal strength" patented technology

Method and Device for Detecting a Neural Response in Neural Measurements

A method is provided for processing a neural measurement obtained in the presence of noise, in order to detect whether a locally evoked neural response is present in the neural measurement. A first neural measurement is obtained from a first sense electrode. A second neural measurement is contemporaneously obtained from a second sense electrode spaced apart from the first electrode along a neural pathway of the neural response. A neural response decay is determined, being a measure of the decay in the neural response from the first sense electrode to the second sense electrode. A ratio of the neural response decay to an amplitude normalising term is calculated. From the ratio it is determined whether a locally evoked neural response is present in the neural measurement.
Owner:SALUDA MEDICAL PTY LTD

Downstream adaptive modulation in DOCSIS based communications systems

A downstream adaptive modulation system and method. The downstream adaptive modulation system comprises a wireless access termination system and one or more wireless modems. The wireless access termination system includes a plurality of queues and a parser. The parser parses data traffic onto the plurality of queues. Each queue is associated with a different coding and modulation scheme. Each of the one or more wireless modems receives data traffic from the plurality of queues based on the wireless modem's ability to demodulate and decode the signal from each of the plurality of queues. When a wireless modem experiences a change in signal strength, the present invention enables the wireless modem to adapt to data from other queues to compensate for the change in signal strength. Thus, if the signal strength improves over a period of time, the wireless modem may receive data at a higher order modulation and FEC code rate. If the signal strength weakens over a period of time, the wireless modem may receive data at a lower order modulation and FEC code rate.
Owner:AVAGO TECH INT SALES PTE LTD

Object location tracking system and method

A system for tracking the location of an object in an area having a plurality of electronic devices, connected via a network through a variety of communication protocols, comprises a location server in communication with the network and each of the plurality of electronic devices. Each of the electronic devices is associated with a last-known device location within the area that is stored in the location server. An electronic tag that is fixed with the object has a control circuit that enables wireless communication with the network both through any of the electronic devices and through any of the variety of communication protocols. The control circuit maintains at least periodic contact and GPS location reporting with the location server through the network, preferably through one of the electronic devices designated as the owner device, or any of the other electronic devices.
Owner:MASIERO ALBERTO +1

Radio Antenna Assembly and Apparatus for Controlling Transmission and Reception of RF Signals

An apparatus includes an antenna for transmitting RF radiation and being structured to enable the distribution of RF energy emitted therefrom to be varied in the vertical plane. The apparatus comprises a generator for generating an RF signal and to pass the signal to the antenna, and a controller arranged to control the distribution of RF energy emitted from the antenna in the vertical plane in response to positional information about an object.
Owner:ALLEN VANGUARD

Method and apparatus for detecting analyte with filter

To detect an analyte, a fluid is flown through a filter. The fluid carries signal producing members smaller in size than the analyte and having affinity to specifically attach to the analyte. The filter is adapted for trapping the analyte while allowing passage of unattached ones of the signal producing members. A signal produced by one or more of the signal producing members can be sensed upstream of the filter to detect the analyte trapped by the filter.
Owner:NAT UNIV OF SINGAPORE

Electronically-steered ku-band phased array antenna comprising an integrated photonic beamformer

ActiveUS20130194134A1Avoids some of cost and drawbackReduce in quantityAntenna arrays manufactureSingle stagePhotonics
A phased-array antenna that includes a photonic beamformer is disclosed. In some embodiments, a front stage of electrical-domain processing applies a 16-to-1 signal-combination ratio, a single stage of photonic beamforming applies a 4-to-1 signal-combination ratio, and a passive, electrical-domain, signal combiner applies a 32-to-1 signal-combination ratio.
Owner:UNIVSERSITEIT TWENTE

Radio antenna assembly and apparatus for controlling transmission and reception of RF signals

An apparatus includes an antenna for transmitting RF radiation and being structured to enable the distribution of RF energy emitted therefrom to be varied in the vertical plane. The apparatus comprises a generator for generating an RF signal and to pass the signal to the antenna, and a controller arranged to control the distribution of RF energy emitted from the antenna in the vertical plane in response to positional information about an object.
Owner:ALLEN VANGUARD

Method and apparatus for controlling transmission power in wireless communication system

ActiveUS20170367053A1Probability of fail in will decreaseReduce failure ratePower managementTransmission monitoringBoundary regionBase station
In a wireless communication system in which a plurality of base stations each forming a directional beam in one direction are disposed along a predetermined path, each base station estimates a distance from installed in a mobile body moving along the path if the TE enters a cell area of the corresponding base station; and controls the transmission power using a distance from the estimated TE so that a difference between received signal strength of the corresponding base station and the received signal strength of neighboring base stations measured by the TE in a cell boundary area between the base stations does not exceed a predetermined threshold value.
Owner:ELECTRONICS & TELECOMM RES INST

Adaptive sinr control

An adaptive SINR control process is triggered based on various quality measures associated with the received signal in a mobile device or on a geographic region in which a base station and an interferer are located. As part of the adaptive SINR control process the mobile device reduces the signal level of the received signal, which reduces both the signal strength of the desired signal and interfering signal. If the control process is triggered on the mobile device side, after detecting the presence of interference, the mobile device sends a request that the base station increases its transmit power of the desired signal to improve the receiving SINR in the mobile device. Alternatively, the mobile device may receive information from the base station causing the mobile device to reduce the signal level of the received signal based on quality indicators sent by the mobile device to the base station or based on geographic location of the base station.
Owner:AT&T INTPROP I L P

Method and device for detecting a neural response in neural measurements

A method is provided for processing a neural measurement obtained in the presence of noise, in order to detect whether a locally evoked neural response is present in the neural measurement. A first neural measurement is obtained from a first sense electrode. A second neural measurement is contemporaneously obtained from a second sense electrode spaced apart from the first electrode along a neural pathway of the neural response. A neural response decay is determined, being a measure of the decay in the neural response from the first sense electrode to the second sense electrode. A ratio of the neural response decay to an amplitude normalising term is calculated. From the ratio it is determined whether a locally evoked neural response is present in the neural measurement.
Owner:SALUDA MEDICAL PTY LTD

Enhanced device for diminishing or eliminating the pain caused by superficial therapeutic injection or superficial body tissue sampling or the pain from a superficial injury as well as for the reduction of hemorrhage from an injured area

A device is disclosed which couples the use of Trans Epithelial Nerve Stimulation with the administration of a therapeutic injection, such as an immunization, or tissue sampling procedure such as deriving a blood sample. By such an arrangement the discomfort associated with these procedures may be considerably reduced or eliminated, thereby improving compliance with a range of medical procedures. To date TENS has not been used in such an arrangement, rather development in TENS technology has been aimed at improving its efficacy. Similarly injection technology developments have been orientated around reducing cross infection risks and accidental injury to operator or patient.
Owner:CLINIWAVE

Antenna Tuning Unit

A system, apparatus, and method directed to impedance matching an antenna with a transmitter for non-directional radio beacons. The apparatus includes an L-type impedance network comprising non-capacitive elements and at least one variable inductor on each branch of the impedance network. Also, system, apparatus, and method directed to providing a low power signal for tuning the antenna. The apparatus includes an impedance matching network and a signal generator. Also, a system, apparatus, and method directed to providing an estimate of near-field strength of a signal from an antenna. The apparatus includes an impedance matching network, a near-field signal strength detector, and microcontroller configured to estimate the near-field signal strength. Corresponding systems includes using the respective apparatuses between an antenna and a transmitter. Corresponding methods are directed to the use of the apparatuses and systems.
Owner:SOUTHERN AVIONICS

Radio Antenna Assembly

An antenna assembly is provided for mounting on a predetermined support structure positioned on a surface, the support structure having a peripheral edge at an elevated position above the surface. The antenna assembly includes an antenna and a support for supporting the antenna at an elevated position above the surface when mounted on the support structure. The support is adapted to support the antenna at a sufficient height above the surface to provide a direct path for electromagnetic radiation from at least a portion of the antenna to a position on the surface external of the peripheral edge of less than or equal to about 4.5 meters from substantially any point on the peripheral edge, or to a position on the surface at a point positioned 3 meters from the front of the support structure and 3 meters from a side of the support structure.
Owner:ALLEN VANGUARD

Electronic device and method for locating WIFI devices adjacent to the electronic device

In a method for locating WIFI devices adjacent to an electronic device, one or more WIFI devices adjacent to the electronic device are searched for within a signal strength range of the electronic device. The method establishes an X-Y coordinate system based on a horizontal line and an initial position of the electronic device, and calculates coordinate values of each of theWIFI devices based on the X-Y coordinate system according to a moving distance of the electronic device and a relative distance between the electronic device and each of the WIFI devices. The method further draws a distribution map of the WIFI devices according to the coordinate value of each of the WIFI devices, and displays the distribution map indicating the location of each of the WIFI devices on a display screen of the electronic device.
Owner:SHENZHEN FUTAIHONG PRECISION IND CO LTD +1

Development systems for magnetic toners and toners having reduced magnetic loadings

Development systems and methods for developing using magnetic toner are disclosed. The present invention further discloses developers used in development systems as well as the toner used in developer for magnetic ink character recognition printing. With respect to the development system, a development system is disclosed which includes a supply of dry developer mixture which contains magnetic toner particles and hard magnetic carrier particles. The development system further includes a non-magnetic, cylindrical shell for transporting the developer between the supply and the development zone, wherein the shell can be rotatable or stationary. A rotating magnetic core of a pre-selected magnetic field strength and means for rotating at least the magnetic core to provide for the transport of the toner particles from the shell to an electrostatic image also provided as part of the development system. A method for developing electrostatic image with magnetic toner is further disclosed, for example, involving the above-described development system. Magnetic toner particles having a low magnetic loading such as on the order of 28% by weight or less, based on the weight of the toner are further described wherein these magnetic toners can include a spacing agent on the surface of the magnetic toner particles. A developer is further disclosed which contains the magnetic toner particles of the present invention with hard magnetic carrier particles. Other developer compositions are also described.
Owner:COMML COPY INNOVATIONS INC +1

Method and apparatus for measuring waveforms and wavelengths of optical signals

InactiveUS7002680B2Signal strengthMeasuring wave shapes and wavelengthsRadiation pyrometrySpectrum investigationSignal onLength wave
A method and apparatus for measuring characteristics of a single-wavelength optical signal constituting part of a wavelength division multiplexed (WDM) optical signal is provided. The WDM optical signal is adjustably diffracted to select the single-wavelength optical signal. An optical-to-electrical conversion is performed. An electrical sampling signal representing the selected single-wavelength optical signal is generated by one of (a) optically sampling the selected single-wavelength optical signal to generate an optical sampling signal on which the optical-to-electrical conversion is performed, and (b) electrically sampling an electrical signal generated by performing the optical-to-electrical conversion on the selected single-wavelength optical signal.
Owner:AGILENT TECH INC

Triple grating optical encoder and modified triple grating optical encoder for displacement detection

In a triple slit optical encoder, a first grating and a third grating are formed on separate members, and values of a first effective width W1 and a first pitch p1 of an optical pattern on the first grating, and a third effective width W3 and a third pitch p3 of an optical pattern on the third grating are set to values such that a periodic signal having the amplitude effective for detection of a relative displacement of a scale is achieved based on periodicity of the self-image, refractive indices of substances of substances and / or spaces interposed in the optical path from a bare LED up to a photodetector, and the thickness of those substances and / or spaces in a direction substantially perpendicular to a plane on which the second grating is formed.
Owner:OLYMPUS CORP

Radiography imaging system

An outer capsule terminates in a closed bottom section. An upper section is formed with an open threaded top. The top has a removable cap. An inner capsule has a lower section and an open upper section. The lower section terminates in an open bottom. An aperture is provided in the closed bottom section of the outer capsule for the passage of a lower most extent of the inner capsule and the securement there between. The capsules are fabricated of a transparent material. A bevel extends through the lower section of the outer capsule. A hose couples the bevel and the inner capsule. A wad of cotton is provided in the lower open end of the capsule.
Owner:PUGH BRIAN

Radio antenna assembly

An antenna assembly is provided for mounting on a predetermined support structure positioned on a surface, the support structure having a peripheral edge at an elevated position above the surface. The antenna assembly includes an antenna and a support for supporting the antenna at an elevated position above the surface when mounted on the support structure. The support is adapted to support the antenna at a sufficient height above the surface to provide a direct path for electromagnetic radiation at least a portion of the antenna to a position on the surface external of the peripheral edge of less than or equal to about 4.5 meters from substantially any point on the peripheral edge, or to a position on the surface at a point positioned 3 meters from the front of the support structure and 3 meters from a side of the support structure.
Owner:ALLEN VANGUARD

Cardiomyocytes and methods of producing and purifying cardiomyocytes

The invention provides methods for producing a culture of cardiomyocytes and cultures of cardiomyocytes. Exemplary methods of producing and cultures of cardiomyocytes include a population of cells including cells having spontaneous and periodic electrical activity, and / or including nodal, sino-atrial or pacemaker cells; immature cardiomyocytes (cardiomyoblasts); mature contractile cardiomyocytes; or a mixed population of two or more of such cells.
Owner:NEOSTEM ONCOLOGY

Reducing local oscillation leakage in a radio frequency transmitter

A method for reducing LO leakage in a radio frequency transmitter begins by producing analog outbound signals from digital outbound signals that represent transmit data. The processing continues by amplifying the analog outbound signals to produce amplified analog outbound signals. The process then continues by mixing the amplified analog outbound signals with a local oscillation to produce mixed signals having an LO leakage component. The processing then continues by attenuating the mixed signals having the LO leakage component to produce mixed signals having reduced LO leakage.
Owner:VIXS SYSTEMS INC

Cardiomyocytes and methods of producing and purifying cardiomyocytes

The invention provides methods for producing a culture of cardiomyocytes and cultures of cardiomyocytes. Exemplary methods of producing and cultures of cardiomyocytes include a population of cells including cells having spontaneous and periodic electrical activity, and / or including nodal, sino-atrial or pacemaker cells; immature cardiomyocytes (cardiomyoblasts); mature contractile cardiomyocytes; or a mixed population of two or more of such cells.
Owner:NEOSTEM ONCOLOGY

Access point processor for a wireless local area network utilizing multiple sub-channels

A channel access processor for an access point operates in a frequency spectrum which is divided into master channels, each master channel further having a plurality of sub-channels, each sub-channel capable of supporting wireless LAN communications independently from any other said sub-channel of the master channel. Each master channel is thereby associated with a plurality of sub-channels, and the sub-channels each have an associated bandpass filter and mixer frequency specific to that sub-channel, thereby allowing a plurality of independent wireless communications sessions to simultaneously take place over the multiple sub-channels of the master channel of the access point.
Owner:SILICON LAB INC

Mobile assisted handover using CDMA

A mobile station assists the wireless network with handover from a first base station to a second base station. The mobile station receives transmissions from the first base station using a first spreading code corresponding to the first base station while receiving signals from at least one other base station. The mobile station determines the relative signal strengths of the signals received from the other base stations and reports the relative signal strengths to the first base station to support handover determinations by the wireless network.
Owner:TELEFON AB LM ERICSSON (PUBL)

Inventory management and location tracking of medical devices

Embodiments of negative pressure wound therapy systems and methods for operating the systems are disclosed. In some embodiments, a system includes a pump assembly, canister, and a wound dressing configured to be positioned over a wound. The pump assembly, canister, and the wound dressing can be fluidically connected to facilitate delivery of negative pressure to a wound. The pump assembly can also include a transmitter configured to communicate with a remote computing device when the pump assembly is within a coverage area of the remote computing device, enabling the remote computing device to determine whether the housing is within the coverage area.
Owner:SMITH & NEPHEW INC

Magnetic recording medium and a magnetic storage apparatus

A magnetic storage device has a magnetic layer, the magnetic crystal grains of which are separated by a nonmagnetic phase. The typical crystal grain is in the approximate shape of a sphere or an ellipsoid. The thickness of the magnetic crystal grains, which is in the direction perpendicular to the surface or the film, is smaller than that of the thickness of the magnetic film. The ratio of the coercive force, which is measured in the circumferential direction, to the coercive force, which is measured in the radial direction, (the orientation ratio of the coercive force), is larger than 1.0, but preferably nor greater than 3.0. Further, the area fraction of the magnetic grains having an extended axis within 30° from the circumferential direction is equal to or more than 45%.
Owner:HITACHI GLOBAL STORAGE TECH JAPAN LTD

Method and apparatus for deriving signal strength attenuation characteristic values

A method of deriving signal strength attenuation characteristic values for cells within a wireless communication network. The method for determining a set of cells for which signal strength attenuation characteristic values are to be derived, and using a genetic algorithm to derive signal strength attenuation characteristic values for the set of cells based at least partly on signal strength information for signal strength measurements obtained by wireless communication subscriber units within the wireless communication network.
Owner:VIAVI SOLUTIONS UK
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