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508 results about "Reference sensor" patented technology
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A reference sensor is a logic module that your engine control unit (ECU) uses to determine the position of the crankshaft and at what speed the engine is running. Unfortunately, this vital component can fail due to corrosion or exposure to chemicals or.
Surgical instruments with sensors for detecting tissue properties, and system using such instruments
ActiveUS9204830B2Avoiding and detecting failurePredict successDiagnostics using spectroscopyCatheterData setPatient state
A system is provided that furnishes expert procedural guidance based upon patient-specific data gained from surgical instruments incorporating sensors on the instrument's working surface, one or more reference sensors placed about the patient, sensors implanted before, during or after the procedure, the patient's personal medical history, and patient status monitoring equipment. Embodiments include a system having a surgical instrument with a sensor for generating a signal indicative of a property of a subject tissue of the patient, which signal is converted into a current dataset and stored. A processor compares the current dataset with other previously stored datasets, and uses the comparison to assess a physical condition of the subject tissue and / or to guide a procedure being performed on the tissue.
Owner:SURGISENSE CORP
Systems and methods for joint replacement
Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device, a reference sensor device, and at least one orthopedic fixture. The surgical orientation device, reference sensor device, and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, or otherwise to assist in an orthopedic procedure(s).
Owner:ORTHALIGN
Surgical instruments with sensors for detecting tissue properties, and system using such instruments
ActiveUS20090054908A1Avoiding and detecting failurePredict successDiagnostics using spectroscopyCatheterData setPatient status
A system is provided that furnishes expert procedural guidance based upon patient-specific data gained from surgical instruments incorporating sensors on the instrument's working surface, one or more reference sensors placed about the patient, sensors implanted before, during or after the procedure, the patient's personal medical history, and patient status monitoring equipment. Embodiments include a system having a surgical instrument with a sensor for generating a signal indicative of a property of a subject tissue of the patient, which signal is converted into a current dataset and stored. A processor compares the current dataset with other previously stored datasets, and uses the comparison to assess a physical condition of the subject tissue and / or to guide a procedure being performed on the tissue.
Owner:SURGISENSE CORP
Immunoassay device with immuno-reference electrode
InactiveUS20060160164A1Reduce distractionsIncrease ionic strengthBioreactor/fermenter combinationsBiological substance pretreatmentsImmune profilingImmobilized Antibodies
An electrochemical immunosensor system with reduced interference, comprising: a first immunosensor that generates an electrochemical signal based on the formation of a sandwich between an immobilized antibody, a target analyte and a labeled antibody, wherein a portion of the signal arises from non-specific binding of the labeled antibody in the region of the first immunosensor, and a second immunosensor that acts as an immuno-reference sensor and generates a signal that is the same as or predictably related to the degree of non-specific binding which occurs in the region of the first immunosensor, and has an immunocomplex between an immobilized antibody and an endogenous or exogenous protein that is in the sample and that is not the target analyte.
Owner:ABBOTT POINT CARE
Systems and methods for joint replacement
ActiveUS20110208093A1Precise positioningSurgical navigation systemsPerson identificationOrthopedic ProceduresEngineering
Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device, a reference sensor device, and at least one orthopedic fixture. The surgical orientation device, reference sensor device, and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, or otherwise to assist in an orthopedic procedure(s).
Owner:ORTHALIGN
Method of determining depth of compressions during cardio-pulmonary resuscitation
Owner:ZOLL CIRCULATION
Immunoassay device with immuno-reference electrode
InactiveUS7723099B2Increase ionic strengthReduce distractionsBioreactor/fermenter combinationsBiological substance pretreatmentsProtein insertionNon specific
An electrochemical immunosensor system with reduced interference, comprising: a first immunosensor that generates an electrochemical signal based on the formation of a sandwich between an immobilized antibody, a target analyte and a labeled antibody, wherein a portion of the signal arises from non-specific binding of the labeled antibody in the region of the first immunosensor, anda second immunosensor that acts as an immuno-reference sensor and generates a signal that is the same as or predictably related to the degree of non-specific binding which occurs in the region of the first immunosensor, and has an immunocomplex between an immobilized antibody and an endogenous or exogenous protein that is in the sample and that is not the target analyte.
Owner:ABBOTT POINT CARE
Lighting device with color control, and method of lighting
ActiveUS20070278974A1Electroluminescent light sourcesSemiconductor lamp usageEffect lightForward voltage
A lighting device comprising a group of one of more illumination solid state light emitters, a reference solid state light emitter and a reference sensor which detects an intensity of the reference solid state light emitter. Each of the emitters (1) has an illumination which is spaced from a first point by a delta u′, v′ distance on a 1976 CIR diagram of not more than 0.015, and / or (2) has a forward voltage temperature dependence which is within 5% of a first forward voltage temperature dependence. In addition, a lighting device comprising one or more illumination solid state light emitters, a reference solid state light emitter and a sensor which comprises at least two areas of individual sensors. Also, methods of lighting.
Owner:IDEAL IND LIGHTING LLC
Portable dynamic positioning system with self-contained electric thrusters
ActiveUS6848382B1Analogue computers for vehiclesAnalogue computers for trafficDynamic positioningElectric power
The system is an integrated and self contained electric thruster system integral with a dynamic positioning control system for dynamic positioning of any waterborne vessel having a hull with at least two sides and a deck connecting the sides, at least two azimuthing thrusters, each removably mounted to the vessel, at least two self-contained electric power units removably secured to the deck, one for each thruster, at least one dynamic positioning computer connected to each of the self contained electric power units, at least one motion reference sensor connected to the dynamic positioning computer to correct reference position signals for motion of the vessel, at least one heading sensor, and at least one sensor that is either a position reference sensor connected to the dynamic positioning computer, environmental sensors connected to the dynamic positioning computer, or a combination thereof.
Owner:BEKKER JOANNES RAYMOND MARI
Intra-subject position detection system
An intra-subject position detection system includes a subject insertable device introduced into a subject, moving through the subject; and including a magnetic field generator that generates a magnetostatic field. The system also includes a position detecting device arranged outside the subject and obtaining position information of the subject insertable device inside the subject. The position detecting device also includes a magnetic field detector that is arranged on the subject at a time of use and detects a strength of the magnetostatic field output from the magnetic field generator; a reference sensor that derives a position of the magnetic field detector relative to a reference position on the subject; and a position deriving unit that derives a position of the subject insertable device inside the subject based on the magnetic field strength and the position of the magnetic field detector.
Owner:OLYMPUS CORP
Systems and methods for joint replacement
Owner:ORTHALIGN
Surgical navigation system with wireless magnetoresistance tracking sensors
A surgical navigation system having one or more wireless magnetoresistance sensors, where the sensors have the noise and dynamic range appropriate for position and orientation tracking. The surgical navigation system comprising at least one wireless magnetoresistance reference sensor rigidly attached to at least one anatomical reference of a patient, at least one wireless magnetoresistance sensor attached to at least one device, and at least one processor for determining the position and orientation of the at least one device.
Owner:GENERAL ELECTRIC CO
Non-contact medical thermometer with stray radiation shielding
InactiveUS20110228811A1High emissivityLow heat generationRadiation pyrometryDiagnostic recording/measuringMedical thermometerEmissivity
A non-contact infrared (IR) thermometer for measuring temperature from the surface of an object includes an IR radiation sensor attached to a heating element and a thermal shield having an interior surface positioned within the sensor's field of view that has a high emissivity. An electronic circuit controlling the heating element maintains the temperatures of the sensor and shield substantially close to an anticipated surface temperature of the object. The IR radiation sensor is further thermally coupled to a reference temperature sensor. An optical system positioned in front of the shield focuses thermal radiation from the object on the surface of the sensor, while the shield prevents stray radiation from reaching the sensor. Signals from the IR and reference sensors are used to calculate the object's surface temperature.
Owner:HELEN OF TROY LIMITED
Capacitive sensors in vehicular environments
Capacitive sensors used to detect force upon a transparency product for detecting and discriminating crash characteristics of a vehicle, as well as capacitive sensors used in conjunction with a conductive panel functioning as an airbag cover and ground plane for the capacitive sensors. The capacitive sensors are made up of electrodes, of which one may be a conductive coating. The capacitive sensors can be arranged upon a substrate and can include a reference sensor. Long term effects of temperature upon sensor output are compensated for with an algorithm comparing constant desired sensor output to low frequency drift due to temperature effects. Moisture upon a transparency product is distinguished from a nearby object due to the capacitance sensed. A sleep detection algorithm detects when a vehicle operator is drowsy. A capacitive sensor array having a nested circle sensor and L-shaped sensors, along with a dummy sensor is used in a sunroof-equipped vehicle for sensing occupant head position.
Owner:METHODE ELETRONICS INC
Sensor instrument system including method for detecting analytes in fluids
ActiveUS8449824B2Novel and uniqueSimple designLaboratory glasswaresNanosensorsTransceiverHydrogen selectivity
A sensor instrument system for detecting and identifying analytes in fluids of a region contains a local sensor instrument and remote central station. The instrument includes a core technology employing a single sensor having two electrodes operated by an electrical frequency sweeping to generate two sets of patterned electrical information from a single measurement, a data transmission module and a GPS receiver module. The central station connects to a network means connected to a plurality of local receiving sites equipped with including the respective transceivers, so that the local analyte electrical information and geographic position information transmitted by the instrument can be wirelessly and remotely received and processed by the central station. The core technology further includes a reference sensor for eliminating background influence, a temperature programming to control adsorption and desorption of analytes, and usage of all kinds of adsorbent materials having chemical selectivities including the hydrogen selectivity to enhance detection and identification of analytes in fluids.
Owner:SUN YIZHONG
Automated real speech hearing instrument adjustment system
InactiveUS20080298600A1Limited amplificationUnderstanding of audibility and comfortDeaf aid adaptationSpeech hearingEngineering
A method for fitting a hearing instrument comprises placing the hearing instrument in situ includes receiving an audiogram of the user, determining a target gain for the hearing instrument as a function of the audiogram, exposing a reference sensor located adjacent the hearing instrument to an external speech signal, measuring an external sound pressure level (SPL) via the reference sensor, exposing a probe sensor coupled to the inside of the ear to the output of the hearing instrument while the hearing instrument is in situ, measuring an internal sound pressure level (“SPL”) inside the ear of the user via the probe sensor, determining an offset gain as a function of the external SPL, the target gain and the internal SPL, and automatically adjusting a gain of the hearing instrument according to the offset gain. A system for automatically fitting a hearing impaired person with a digital hearing aid in situ includes a digital hearing aid, a reference volume sensor, a probe sensor, a sound mapping module and a parameter control module.
Owner:POE MICHAEL +3
Long-range planar sensor array for use in a surgical navigation system
InactiveUS20100305427A1Surgical navigation systemsDiagnostic recording/measuringSensor arrayTransmitter coil
A planar sensor array for use in a surgical navigation system comprising at least one substrate and at two layers of a plurality of planar sensor coils formed on or within the at least one insulating substrate. The planar sensor array may be an electromagnetic planar transmitter coil array or an electromagnetic planar receiver coil array that includes at two layers of a plurality of planar electromagnetic transmitter or receiver spiral-shaped coils formed on or within the at least one substrate. The surgical navigation system includes the use of at least one magnetoresistance reference sensor attached to a fixed object; at least one magnetoresistance sensor attached to an object being tracked; and a planar sensor coil array communicating with the at least one magnetoresistance reference sensor and the at least one magnetoresistance sensor to determine the position and orientation of the object being tracked.
Owner:GENERAL ELECTRIC CO
Compensation of motion in a moving organ using an internal position reference sensor
ActiveUS20110158488A1Reduce motion errorsAccurate compensationImage enhancementImage analysisMedical deviceComputer science
An apparatus for displaying a moving region of interest located within a body includes a positioning system to determine a position and orientation (P&O) of a medical device as well as to track, using an internal position reference sensor, the motion of the region of interest over time. A compensation function block generates a motion compensation function based on the motion of the region of interest, which is configured to compensate for the motion of the region of interest between a first time, for example a time at which an image was acquired and a second time, for example a time at which a P&O of the device was measured. The measured P&O is corrected using the compensation function. A representation of the medical device is superimposed on the image in accordance with the corrected P&O.
Owner:ST JUDE MEDICAL INT HLDG SARL
Ventilation system with humidity responsive ventilation controller
InactiveUS6935570B2Reduce humiditySatisfactory humidity levelMechanical apparatusControlling ratio of multiple fluid flowsElectrical junctionEngineering
A ventilation controller including at least one humidity sensor for controlling the humidity of a room. The ventilation controller incorporates a housing sized and shaped to replace, or be placed in, a standard electrical junction box. Circuitry in the controller receives data from the sensor(s). The controller automatically switches on power to an exhaust fan when either the humidity exceeds a manually set humidity level and / or a rapid increase in humidity is observed. When a plurality of sensors is employed, the humidity level from a first sensor is compared by logic circuitry to the humidity levels detected at a reference sensor(s). When the humidity at the first sensor exceeds the humidity at the reference sensor(s), the ventilation controller switches on power to the exhaust fan.
Owner:ACKER PHILLIP F
Internal reference coronary sinus catheter
A deflectable unilateral or bidirectional catheter for mapping and / or ablation, has a catheter body and a catheter tip section carrying a reference sensor and a scaffolding structure that is deployed for stabilizing and anchoring the catheter in or near the coronary sinus of the heart. In one embodiment, a control handle 16 at the proximal end of the catheter body 12 moves a sheath proximally to deploy the scaffolding structure. In a sheathless embodiment, the control handle moves a puller wire distally to deploy the scaffolding structure, which can be a generally spheroid shape, ovoid shape, basket shape, peanut shape and synaptic shape. The arrangement of the scaffolding structure, the reference sensor and a plurality of electrodes on the tip section can be varied as appropriate or needed.
Owner:BIOSENSE WEBSTER INC
Dynamic stabilization and control of an earthmoving machine
ActiveUS7317977B2High speedGuaranteed dynamic stabilityAnalogue computers for trafficPosition fixationGyroscopeControl signal
An earthmoving machine including a control system is disclosed. The machine comprises first and second satellite navigation antennas mounted in a longitudinal direction on the earthmoving machine. A third satellite navigation antenna is mounted on a pole attached to an operational element of the earthmoving machine. In one embodiment, the earthmoving machine is a bulldozer and the operational element is a blade of the bulldozer. The machine further comprises a gravity reference sensor and a plurality of gyroscopes mounted on the machine. A computer processor generates control signals based on sensor data received from the various components. The disclosed system and method allows for dynamically stable operation of the earthmoving machine at relatively fast speeds without the development of unwanted oscillations.
Owner:TOPCON POSITIONING SYST INC
Reference sensor for CPR feedback device
ActiveUS20120083720A1Correction errorEffective applicationElectrotherapyIron-lungsIntensive care medicineMedical device
Embodiments of the present concept are directed to medical devices for use by a rescuer who is caring for a patient and includes a bottom device for use with a top device to measure the depth of Cardio Pulmonary Resuscitation (CPR) chest compressions delivered to the chest of a patient. The top device is intended for placement on the chest of the patient and has a top mechanism that is moveable up and down as the chest compressions are delivered to the patient. The bottom device includes a generally elongate member having a handle at one end and a bottom mechanism near the opposite end. The elongate member is structured to be placed under the patient during delivery of CPR. The top mechanism and the bottom mechanism cooperate to generate a value for a net depth of the compressions of the patient chest with reference to each other.
Owner:PHYSIO CONTROL INC
Biosignal detection device
InactiveUS20060283652A1Detect biological informationEfficient detectionVehicle seatsElectric devicesPhase differenceEngineering
Owner:DENSO CORP
Capacitive switch reference method
ActiveUS20120037485A1Easy to operateReduce impactResistance/reactance/impedenceElectronic switchingSwitching signalEngineering
An example capacitive switch apparatus comprises a capacitive switch sensor providing a capacitive switch signal, a capacitive reference sensor providing a capacitive reference signal, and an electronic circuit, receiving the switch and reference signals and detecting switch activation by comparing the switch signal level with a threshold level. The threshold level is adjusted as a function of the reference signal level. The reference signal is obtained, for example during periods of operator proximity to the reference sensor. For a finger-operated switch, the reference signal is obtained when a finger is proximate the reference sensor.
Owner:TOYOTA MOTOR CO LTD
Device for determining the composition of a fluid mixture
ActiveUS7135870B2Component separationMaterial analysis using microwave meansMicrowaveConstant frequency
A method and apparatus are disclosed for determining the concentration of individual components within a fluid mixture by determining the permittivity of the individual components. The method and apparatus use a reference sensor and at least one measurement sensor positioned inside the same sensor device that is immersed in the fluid mixture to be measured. Signals, such as radio frequency or microwave, are sequentially transmitted at multiple, known, constant frequencies to and reflected from both the reference and measurement sensor(s). Permittivities of the individual components are determined from these transmitted and reflected signals and information about the concentration of the individual fluids and other compounds within the fluid mixture and the density of the fluid mixture are produced. Repetitive sampling and processing of these signals allow determination and real-time monitoring of the concentration of individual components within a mixture of fluids. The present invention provides self-calibration, accurate frequency maintenance and self-selection of an operating frequency range.
Owner:KAM CONTROLS
Image fusion system and method
A contrast-based image fusion system and method of processing multiple images to form a processed or fused image including regions selected from one or more images. Images are divided into image regions. Portions of the images are filtered if necessary. A contrast map is generated for each image via a convolution kernel resulting in a contrast map with contrast values for each image region. Contrast values are compared and image regions are selected based on a selection criteria or process such as greater or maximum contrast. The selected image regions form the fused image. If necessary, the luminance of one or more portions of the fused image is adjusted. One sensor is selected as a reference sensor, and an average intensity of each region of the reference sensor image is determined across the reference sensor image. The intensity of one or more regions in the final image is adjusted by combining the determined average luminance values and intensity values of the final image.
Owner:BAE SYSTEMS CONTROLS INC
Method and system to measure cardiac motion using a cardiovascular navigation system
A method and system are provided to measure cardiac motion data using a cardiovascular navigation system. The method and system position a patient reference sensor (PRS) on a patient, wherein the PRS determines a position of the patient relative to a reference point. The method and system determine a reference orientation matrix based on an orientation of the PRS relative to a reference point and determining a normalization time based on an electrical signal. The method and system obtain point specific (PS) motion data for a plurality of map points. The PS motion data indicates a three dimensional trajectory that occurs at the corresponding map point on a wall of a heart of the patient during at least one cardiac cycle. Further the method and system compensate the PS motion data based on the PRS.
Owner:PACESETTER INC
Generating search database based on sensor measurements
InactiveUS20150106403A1Digital data processing detailsObject oriented databasesMobile deviceData mining
There is provided a database entity for generating a search database, comprising: at least one processor and at least one memory including a computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to cause the database entity at least to: acquire, from each of the plurality of mobile devices, an indication of at least one object; acquire a reference sensor, fingerprint representing a context to which the at least one object is related to; associate each object with the corresponding reference sensor fingerprint; and generate a database of associations between the reference sensor fingerprints and the objects.
Owner:INDOORATLAS
Reference sensor correction for implantable sensors
ActiveUS7413547B1Improving long-term measurement accuracySimple designCatheterDiagnostic recording/measuringEngineeringElectronic component
Implantable medical device systems and methods for measuring a body parameter utilizing an implantable functional pressure sensor and a fixed reference sensor, wherein the reference sensor compensates for drift of all other components in the measurement system other than the functional sensor. The reference sensor provides a basis for comparison to determine if and to what extent the electronic components, for example, have drifted over time, and thus provides a basis for correcting functional measurements and improving long term measurement accuracy.
Owner:DATA SCI INT
Spatio-temporal and context-based indexing and representation of subterranean networks and means for doing the same
ActiveUS20070195712A1True natureGreat advantageMaterial analysis using sonic/ultrasonic/infrasonic wavesSurveyNetwork dataContext based
Systems, methods and devices for indexing, archiving, analyzing and reporting pipe and other void network data. Specifically, multi-dimensional indexing and correlation of spatial, temporal, feature, environmental, uncertainty and / or context-based data is synchronized, indexed and analyzed across a wide variety of pipe networks at various times. The present invention preferably includes data represented at several different levels of reference including: referenced to the sensor with which it was collected; referenced to the robot or platform upon which the sensor is attached; and the world. The structure and functionality of the system provides for extensive querying, trouble-shooting and predictive analysis for pipe networks.
Owner:REDZONE ROBOTICS
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